ManTech seeks a motivated, career and customer-oriented Audio-Visual System Engineer (AVMM) to join our team in Annapolis Junction, MD. The AVMM SME is responsible for Kitting and deploying small, medium and large conference rooms, classrooms and small meeting areas with video/teleconferencing, other integrated pieces of AVMM hardware and data walls in support of the Government customer.Responsibilities include but are not limited to:With minimum to no supervision and guidance, evaluate, design, document, install, implement, test, and perform problem isolation and resolution, monitor, tune, and enforce standards for AVMM End User Devices and related networks.Maintain a complex range of AVMM and computer network components and systems.Support integration of a total AVMM network including the planning, design, installation, maintenance, management, and coordination of the AVMM network.Monitor, tune, and support basic existing AVMM devices (IPTV, Conference rooms of varying sizes and complexities) and network infrastructure to ensure stable, reliable, secure, and efficient AVMM operations.Support Identification, assessment, and development of detailed requirements for upgrading AVMM networks, such as supporting re-architecture of network segments in order to facilitate new requirements, technologies and growth.Analyze current products and recommends changes/upgrades to senior management.Assembles and updates documentation in the form of problem and change management tickets.Maintain timely and complete documentation of all daily and project work, using standard methods and procedures.Troubleshoot, and devise solutions to complex operational problems within the capacity and operational limitations of installed equipment.Follow technical standards set by senior level engineers.Communicate effectively with a wide variety of technical and non-technical audiences, including customers, team partners, and other staff members.May lead a small team to complete larger efforts (modernization, refresh, projects)Travel is required in support of service requirements ~20. This position also offers opportunities to support other bodies of work, at different locations, and to travel both CONUS and OCONUS (no hostile areas) for AVMM support.Minimum Qualifications:Bachelor’s degree and 4 years of relevant experience.Experience (basic knowledge) with Crestron programming, with the expectation of gaining greater competencyExperience with service management knowledge in key ITSM processes including incident management, problem management, change management, service level management and knowledge managementIATT Level 2 certification, such as Security+ CE is required, but will allow a Level 1 (Net+, A+, etc) to start but must attain Level 2 within 6 months of start date.Experience in a technical management role with an understanding of IT equipment and service life as well as planning and implementation of equipment replacementExperience with presentations with the ability to convey technical and business concepts to various audiences, ability to handle complex customer situations and interact with all levels of personnel to provide a quick and effective resolution.Experience with resource management with the ability to manage teams, personnel and customers’ needsExperience effectively managing and satisfying projects of a technical nature.Preferred Qualifications:Experience with customer ticketing systems such as ServiceNowExpert Crestron programming capability a major +Support to network devices (including servers) in support of AVMM/IPTV/Streaming servicesPMP Certification, and ITIL Foundations V3 certification desiredExperience with large scale enterprise IT contracts.Clearance Requirements:Must have a current/active TS/SCI w/ PolyPhysical Requirements:The person must be able to handle AVMM equipment to include up to 100” TVs with assistance. Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication, which may involve delivering presentations.

Please review the job details below.We’re seeking a Senior AI/ML Solutions Engineer to support mission-driven users working on complex national security challenges. In this agile environment, you’ll be part of a small, multi-disciplinary team applying AI/ML and data science to real-world problems and apply them into operations. This role offers direct collaboration with end users and technologists to ensure solutions are impactful, scalable, and mission-aligned.Location: Herndon, VA or Westminster, CO. This a full time onsite position; hybrid/remote work not supported.Key Responsibilities:Design, develop,integrateand deploy AI-driven solutions to extract insights from complex, high-volume datasetsoffering expertise in AI/ML, Large Language Models (LLM), Generative AL, and/or Natural Language Processing (NLP)Apply statistical and deep learning techniques to support predictive modeling, classification, natural language processing, and pattern recognitionCollaborate with analysts, engineers, and mission partners to understand requirements and translate them into robust, data-driven solutionsCommunicate results and technical concepts through effective visualizations, dashboards, and clear reporting to both technical and non-technical audiencesRequired Skills:8+ years of experience in data science, AI/ML, large language models (LLMs), and/oremerging technologies, including solution architecture, model development, and deployment in complex environments.Proficiency in Python, R, and/or Java for machine learning, data processing, and algorithm development, with a strong focus on building robust, scalable solutions for operational field deployment.Hands-on experience with machine learning frameworks such as TensorFlow, PyTorch, and scikit-learn for building and deploying predictive models. Proficient in using tools like Jupyter, MLflow, and AWS SageMaker for model development, tracking, and operationalization in production environmentsExperience working in Linux-based environments and with hybrid infrastructures (on-prem and cloud platforms)Familiarity with deploying, scaling, and maintaining AI/ML solutions in secure, production-grade environmentsStrong collaboration skills with distributed teams and effective communication with stakeholders across disciplinesAbility to work independently in mission-critical settings with evolving prioritiesWillingness to work onsite 80% or as needs dictate.Bachelor's or Advanced degree or equivalent experience in AI ML (Artificial Intelligence, Machine Learning), Data Science, Math, or like technical fieldsActive TS/SCI clearance with polygraph and US citizenshipAdditional Skills DesiredSome familiarity in these areas would be fabulous.Understanding of commercial and custom AI ML methods, statistical and analytical concepts such as uncertainty modeling, spatial analytics, model evaluation, correlation analysis, and data visualizationAdaptable, solution-oriented mindset with the ability to work independently in fast-paced, dynamic environmentsExperience working in virtualized Linux environments on secure government infrastructureBackground in military or intelligence analysis, or familiarity with IC PED systems, is a strong plusIn support of pay transparency at Maxar, we disclose salary ranges on all U.S. job postings. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.The base pay for this position within California, Colorado, Hawaii, New Jersey, theWashington, DC metropolitan area, and for all other states is:$130,000.00 - $200,000.00We offer a comprehensive package of benefits including paid time off, health and welfare insurance, and 401(k) to eligible employees. You can find more information on our benefits at:https://www.maxar.com/careers/benefitsThe application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.The date of posting can be found on Maxar’s Career page at the top of each job posting.To apply, submit your application via Maxar’s Career page.Maxar Technologies values diversity in the workplace and is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.

MANTECH seeks a motivated, career and customer oriented System Network Engineer to join our team in Hanover, Maryland. You will play a vital role in protecting national security and driving innovation, with opportunities for career growth.Responsibilities Include, but are not limited to:Analyze user requirements, operational concepts, and system architectures to develop detailed system specifications.Lead system design and development activities, guiding users in requirements formulation and evaluating alternative solutions.Develop and maintain technical documentation, including system architecture and design documents, engineering management plans, and integration/test plans.Ensure the technical integrity of systems engineering deliverables and manage the system baseline throughout its lifecycle.Direct the development, integration, and testing of complex hardware/software systems and networks, including requirements analysis, concept development, and interface standards.Assist with system security compliance and application to networks and equipment.Lead or assist with troubleshooting and repair of systems and network components (routers, switches, servers, VMs, workstations).Minimum Qualifications:Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science or related field; an additional 5 years of experience might be substituted for degree.14+ years of systems engineering experience in similar programs/contracts.7+ years of combined experience in the following areas:Designing and implementing MS Windows Server and Cisco networks in both classified and unclassified environments.Designing/configuring classified systems, servers, and networks.Workstation/server design, configuration, implementation, software installation, maintenance, and problem resolution.Security Clearance Requirements:Active/Current Top Secret SCI with Poly required.Physical & Professional Requirements:Ability to perform light physical work (lifting up to 20 lbs., bending, kneeling, walking).Proficiency with MS Office and PC use.Strong analytical, critical thinking, interpersonal, leadership, listening, multitasking, communication, and organizational skills.Ability to work under pressure and handle stress.

ManTech seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Hanover, MD.This team provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Provide technical expertise in the testing of client software and providing remediation recommendations with clients.Mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing and analysis techniquesLead efforts in defining new methods and techniques for software assurance testing and analysis; and surveying industry to identify new source code SwA tools and methodologies.Tuning and running source code analysis tools, evaluating the strengths and weaknesses, and determining the suitability for a given software/customer while interpreting, prioritizing, and using source code SwA tools results to remediate potential vulnerabilities in software.Minimum Qualifications:5 + years in software analysis related experienceExperience with evaluating the strengths and weaknesses and determining the suitability of software in a given software/customer environment.Experience designing, implementing and testing source code SwA analysis processes.Programming experience in Java, C/C++, or C#.Experience developing & consulting on code for production systems using structured development environments.Preferred Qualifications:Experience with RUSTExperience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

Mantech seeks a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD.In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Responsible for building new and improving existing CI/CD pipelines.Responsible for performing operations on end-user virtual machine provisioning/de-provisioning (VMWARE, and Amazon AWS platforms) supporting the automation of Active Directory security group manipulations.Will perform daily development using .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platforms.Responsible for creating collection object cleanup routine within an Angular/Node JS application to simulate a hierarchical cascade delete process for a dynamic MongoDB system.Minimum Qualifications:Bachelor’s degree in Computer Science or a related discipline from an accredited college or university12+ years of programming experience, including 1.5+ years with an object-oriented language. 5+ years functional experience with containerization technologies like Docker. 2+ years’ experience working within the Linux desktop environment and bash shell Experience with Ansible, Python, Angular and DjangoIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications: Experience with open-source technologies and tools to accomplish specific use cases encountered within the project such as GitLab, AWS Web Services, and Visual Studio .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platformsKubernetes Application Developer or Administrator certification can be substituted for additional 2 years of experience Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements:The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech seeks a motivated, career and customer-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring).Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and Opensearch APIs.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including target environment, performance criteria, and competitive issues, design new capabilities and recommend improvements to existing capabilities.Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensure software standards are met and perform quality control on team products, coordinate and perform software deployments for developed products.Mentor junior software developers.Minimum Qualifications:Bachelor’s degree and 20+ years of programming experience or High School Diploma and 24+ years of programming experienceExperience coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignExperience with XML or JSONExperience with data ingest, data storage, and data processing techniques.Knowledge of agile software development methodologyPreferred Qualifications:Experience with Software Version ControlExperience with SQL and of NoSQL databasesExperience with MongoDBExperience with ElasticExperience with troubleshooting and maintaining complex code Experience with Subversion/GITExperience with Atlassian Tools such as Confluence, Jira, Bamboo, Crucible or similarExperience using VMWare, preferably ESXClearance Requirements:Must have active/current TS/SCI with PolygraphPhysical Requirements:Ability to remain stationary up to 50% of the time

ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in Hanover, Maryland.As a CNO Software Engineer on our team, you will provide specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are met.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Design ideas for new capabilities or recommendations for improvements to existing capabilities.Determine computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Debug and troubleshoot software, modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Perform quality control on team products.Coordinate and perform software deployments for developed products.Minimum Qualifications:Bachelor’s degree in computer science or related technical field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience with Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge Software Version ControlKnowledge of CNO environmentKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesExperience with Subversion/GITKnowledge of agile software development methodologyKnowledge of Atlassian Tools, such as Confluence, Jira, Bamboo, Crucible or similarSecurity Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

MANTECH seeks a motivated, experienced career and client-oriented Principal Data Engineer to join our team in Alexandria, VA. In this role, you will collaborate with a team of consultants and engineers to provide sophisticated data integration and data management solutions for Government clients. The ideal candidate will have deep data engineering skills and extensive experience with data engineering tools, as well as a client-oriented approach to applying technology to complex problems.Responsibilities include but are not limited to:Design and implement robust data pipelines to ingest, transform, and integrate data from various systems and networks, ensuring seamless data flow.Collaborate with cloud and system architects to establish secure and efficient data transfer protocols among different networks and systems.Develop and enforce data quality standards, ensuring the accuracy, completeness, and consistency of integrated data.Work closely with data scientists, analysts, and other stakeholders to understand data requirements to facilitate analytics and machine learning uses.Architect data pipelines and data storage solutions to support analytic workflows.Optimize data pipelines and storage solutions for performance, ensuring low latency and high throughput for real-time and batch data processing.Implement robust security measures to protect sensitive data and ensure compliance with relevant data security policies and practices.Minimum Qualifications:Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.At least 12 years of experience in data engineering, data architecture, or related roles.Extensive experience with ETL tools such as AWS Glue or TalendKnowledge of big data technologies like Hadoop, Spark, and Kafka.Experience with cloud services from providers such as AWS or Oracle and their data storage and processing servicesExperience with data warehousing, data lakes, and big data technologiesProficiency in programming languages such as Python, Java, or SQLPreferred Qualifications:Master’s degree in Computer Science, Information Technology, Engineering, or a related field.Experience developing and implementing records management policies and procedures.Familiarity with data security and compliance frameworks (e.g., NIST framework).Cloud certifications such as AWS Certified Developer, Oracle Cloud Infrastructure.Experience with agile development methodologies.Knowledge of data governance and metadata management.Familiarity with records management standards (e.g., NARA standards).Clearance Requirements:Must possess a current and active TS/SCI with ability to obtain a PolygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

MANTECH is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA area.Responsibilities include, but are not limited to:Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that all Maximo Users have a stable platform to perform daily operations; support reporting capabilities and requirements that streamline and reduce where possible, the manual input of existing data.Provide technical and business-level assistance, incident resolution, and daily support to the Maximo user community; maintain and enhance the functionality, reliability, availability, performance, stability, sustainability, and security of the Maximo application and its databases and tools.Implement best practices, create and improve existing Maximo workflows to manage work management, logistics, and property management processes; oversee the validation and testing of deliverable products in accordance with our customer's approved processes.Provide installations, customizations and design changes for software and hardware products; provide support to a wide array of customers as part of a complex team of multiple contractors and government personnel.Write SQL scripts to support various aspects of customer support and Maximo Development requirements; develop and manage queries, ad hoc reports, and KPI’s.Manage and observe data quality and health throughout front-end database; ability to handle pressure and manage multiple tasks in a fast-paced environment.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology and 9 years of relevant experience.Experience with JavaScript, Linux/Unix, Perl, Shell, Java, Ruby, PHP, Python, Hands-On SQL, Microsoft ASP.NET MVC, Web API, Node.js.DoD 8570.01-M compliant, IAT II. (CCNA Security, CySA+, GICSP, GSEC, Security+, or SSCP)Troubleshoot and resolve issues related to OpenShift, Kubernetes, and Linux environments.Red Hat Certified Specialist in OpenShift Administration or similar certification.Requires understanding of the RedHat OpenShift cluster to include basic operations of backup, restore and failover/redundancy of services.Preferred Qualifications:4+ years of Maximo Development experience.Maximo versions: at least Maximo 7.6. Able to work on upgrades and development on 7.6.1.2.Maximo modules: must be able to work on all Maximo modules and functionalities, including Work Order Management, Asset Management, Preventive and Corrective Maintenance, Configuration, Scripting, Report Development, Maximo Interfaces with other systems like ERP.Development and maintenance experience with Maximo including TRM rules, Maximo automation scripting, BIRT Reports Development, and work order reports.Provide service for GIS geodatabase editing, data creation and maintenance for applications and as needed.Experience of ArcGIS Server management tools to deploy and manage map and web servicesClearance Requirements:Must have current/active TS/SCI clearance.Physical Requirements:Must be able to remain in a stationary position 50%The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland.ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD. We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives.Responsibilities include but are not limited to:Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AWS or Azure, to manage the organization's backend systems.Develop and implement automation solutions through creating scalable automation services using strong scripting and orchestration skills, with proficiency in tools like Python, Bash, and Ansible.Design and manage system architecture by applying systems engineering principles to design, implement, and manage the high-level architecture of the organization's backend infrastructure.Ensure network and system security through a strong understanding of networking and security fundamentals, including TCP/IP, firewalls, and VPNs, to protect the organization's infrastructure.Communicate with stakeholders - Interact directly with government personnel, senior executives, and other project members to discuss technical issues and project status.Provide technical guidance and troubleshooting as a top-level troubleshooter, addressing technical considerations, problems, and issues for both internal teams and government stakeholders.Minimum Qualifications:Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education.5 years of position-relevant work experience.DoD 8570.01-m IAT Level II.Strong proficiency in scripting and automation, with hands-on experience in Python, Bash, and an infrastructure orchestration tool like Ansible.Experience in front-end web development to create internal tools and solutions.Proven background as an Orchestration Engineer or in a similar role focused on building scalable automation services.Solid grasp of TCP/IP networking, firewalls, VLANs, and VPNs.Expert-level knowledge of the Linux operating system.Preferred Qualifications: Experience with full-stack development, including creating and interacting with databases and APIs.Knowledge of Infrastructure as Code (IaC) principles, preferably with experience using Terraform.Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes).Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V.Exceptional troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues.A foundational understanding of traditional Systems Administration principlesClearance Requirements:TS/SCIPhysical Requirements:The person in this position must have the ability to perform tasks while stationary 50% of the time at a computer, with specific emphasis on visual acuity for close-range work. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

ManTech seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA. This is a position requiring onsite work at customer locations within the local area (up to 10% travel).Responsibilities include but are not limited to:Designing and integrating comprehensive network, VoIP, VTC, and data center solutions, adhering to security guidelines and customer specifications to ensure robust and secure communication infrastructures.Managing the end-to-end integration of black and red networks, overseeing design, installation, maintenance, and coordination of a growing network with multiple external services to support operational needs.Diagnosing and resolving complex issues related to customer sites, telecommunications circuits, routing, switching, VoIP, VTC, network encryption devices, and Cisco data center/security to maintain network stability and performance.Developing and maintaining detailed documentation, diagrams, and standard operating procedures to facilitate knowledge sharing and efficient network management.Providing expert guidance, training, and support to network administrators, service desk personnel, and junior engineers to enhance team capabilities and operational effectiveness.Minimum Qualifications:Bachelor’s degree in Computer Science, Network Engineering, or equivalent field, demonstrating a strong academic foundation in related disciplines.8-10 years of extensive experience in networking, including VoIP, VTC, data circuits, network encryption devices (e.g., General Dynamics TACLANE), and virtualization technologies.Proficiency in dynamic routing protocols such as OSPF and BGP, with a deep understanding of MPLS and DMVPN Hub and Spoke technology for efficient network routing.DoD 8140 IAT Level II certification: Security+CE and Computing Environment (CE) certification in Cisco technology (CCNA Voice) required.Valid US Driver's License with the ability to travel up to 10% locally to customer sites.Preferred Qualifications:Cisco Collaboration, Data Center, or Security certifications, indicating advanced expertise and specialized knowledge in relevant Cisco technologies.Experience implementing or troubleshooting VMware NSX-T virtualized networking and security platform developed by VMware. It enables automated implementation of network policies, network objects, isolation, and micro-segmentation.Clearance Requirements:TS/SCI with the ability to obtain a CI polygraph.Physical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

ManTech seeks a motivated, career and customer-oriented Model Based Systems Engineer (MBSE) to join our team in Stafford, VA.This is a full-time onsite position where you will provide subject matter expertise to perform MBSE activities using Cameo Systems Modeler in support of a critical Department of Defense (DoD) mission. The ideal candidate will bring significant expertise in systems modeling, operational architecture, and mission thread development in alignment with DoDAF and UAF frameworks.This role is pivotal in supporting mission engineering analysis, capability gap assessment, and architecture development within a highly dynamic and collaborative environment to enable and enhance our Nation's fighting forces.Responsibilities include but are not limited to:Support the development and maintenance of system models for DoD mission engineering projects using Cameo Systems Modeler.Design and update mission threads, operational views, and system architecture models in line with DoDAF/UAF standards.Integrate both existing and new capabilities into mission-level architectural models.Work with stakeholders to find capability gaps, define decision points, and assist with data-driven risk and performance assessments.Collaborate with various teams, including systems engineers and analysts, to ensure traceability between requirements and operational objectives.Contribute to a collaborative modeling environment, such as a Government-managed Teamwork Cloud.Prepare and deliver technical briefings and model walkthroughs to Government stakeholders and advise others on MBSE processes and best practices.Minimum Qualifications:Bachelor’s degree in Systems Engineering, Computer Science, or related technical field and 5+ years of related experience or High School Diploma and 9+ years of related experience, 3+ years of which should be in systems modeling using Cameo Systems Modeler (MagicDraw).Demonstrated knowledge of DoDAF, UAF, SysML, and model organization best practices.Hands-on experience with Teamwork Cloud and other simulation/analysis tool integrations.Strong understanding of systems engineering principles, including requirements management, system architecture, and verification and validation.Strong understanding of mission engineering, kill chains/kill webs, and joint all-domain operations concepts like CJADC2.Excellent communication skills with a proven ability to deliver briefings to senior leadership and work effectively with technical and operational teams.Preferred Qualifications:A Master's degree in Computer Science, Software Engineering, or a related field.Experience with international standards like ISO and IEEE.Experience working with a DoD Combatant Command or supporting Navy, Marine Corps, or Joint Staff missions.Familiarity with MBSE for advanced prototyping and digital engineering efforts, along with knowledge of government modeling environments like the Navy Integrated Modeling Environment (NIME).Relevant certifications, including OCSMP, INCOSE CSEP/ESEP, or DoDAF/UAF certifications.Clearance Requirements:This position requires an ACTIVE DoD TS/ SCI Security Clearance.Physical Requirements:Must be able to be in a stationary position more than 50% of the time.Must be able to communicate, converse, and exchange information with peers and senior personnel.Constantly operates a computer and other office productivity machinery, such as a computer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech seeks a motivated, career and customer-oriented Senior Model Based Systems Engineer (MBSE) to join our team in Stafford, VA.This is a full-time onsite position where you will provide subject matter expertise to perform MBSE activities using Cameo Systems Modeler in support of a critical Department of Defense (DoD) mission.The ideal candidate will bring deep expertise in systems modeling, operational architecture, and mission thread development in alignment with DoDAF and UAF frameworks. This role is pivotal in supporting mission engineering analysis, capability gap assessment, and architecture development within a highly dynamic and collaborative environment to enable and enhance our Nation's fighting forces.Responsibilities include but are not limited to:Lead the development and maintenance of system models for DoD mission engineering projects using Cameo Systems Modeler.Design and update mission threads, operational views, and system architecture models in line with DoDAF/UAF standards.Integrate both existing and new capabilities into mission-level architectural models.Work with stakeholders to find capability gaps, define decision points, and assist with data-driven risk and performance assessments.Collaborate with various teams, including systems engineers and analysts, to ensure traceability between requirements and operational objectives.Contribute to a collaborative modeling environment, such as a Government-managed Teamwork Cloud.Prepare and deliver technical briefings and model walkthroughs to Government stakeholders, and mentor others on MBSE processes and best practices.Minimum Qualifications:Bachelor’s degree and at least 12 years of experience in Systems Engineering, Computer Science, or a related technical field or Master's degree with 7+ years of professional experience in systems modeling using Cameo SystemModeler (MagicDraw). A total of 15 years experience required without degree.Deep knowledge of DoDAF, UAF, SysML, and model organization best practices.Hands-on experience with Teamwork Cloud and other simulation/analysis tool integrations.Strong understanding of systems engineering principles, including requirements management, system architecture, and verification and validation.Strong understanding of mission engineering, kill chains/kill webs, and joint all-domain operations concepts like CJADC2.Excellent communication skills with a proven ability to deliver briefings to senior leadership and work effectively with technical and operational teams.Preferred Qualifications:A Master's degree in Computer Science, Software Engineering, or a related field.Experience with international standards like ISO and IEEE.Experience working with a DoD Combatant Command or supporting Navy, Marine Corps, or Joint Staff missions.Familiarity with MBSE for advanced prototyping and digital engineering efforts, along with knowledge of government modeling environments like the Navy Integrated Modeling Environment (NIME).Relevant certifications, including OCSMP, INCOSE CSEP/ESEP, or DoDAF/UAF certifications.Clearance Requirements:Candidate must have an active / current TS/SCI clearancePhysical Requirements:Must be able to be in a stationary position more than 50% of the time.Must be able to communicate, converse, and exchange information with peers and senior personnel.Constantly operates a computer and other office productivity machinery.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.