MANTECH is seeking a motivated, career and customer-oriented ExpertCNO Software Developer to join our team in Hanover, MD. As a valued member of our organization, you will play a pivotal role in developing advanced cyber capabilities while delivering exceptional service to our clients.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Manage the designing, developing, documenting, testing, and debugging of applications software and systems.Apply expert knowledge of security concepts and networks.Communicate status with leadership and customers.Ensure software standards are met.Minimum Qualifications:Bachelor's degree and 8+ years of relevant experience, OR 10+ years of relevant experience if no degree.Proficiency in Python and C/C++ programming.Troubleshooting / debugging experience.Proficiency in low-level internals in one or more technology areas (e.g. Windows, Unix, Mobile, Network devices).Proficiency with networking (TCP/IP) and socket level programming.CNO capability development experience.Preferred Qualifications:Software Analysis/Reverse Engineering experience.Understand assembly programming concepts.Unit Test experience.Experience using Atlassian products (JIRA, Confluence, Crucible)Experience managing/leading teamsSecurity Clearance Requirements:Active, current TS/SCI with Polygraph is required.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

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 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 Simulation Developer to join our team in Quantico, VAResponsibilities include but are not limited to:Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sourcesIntegrates simulations into larger system architectures and supports Naval Capabilities Integration Process (NCIP) efforts for interoperability testingCollaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracyImplements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platformsLeads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability trackingMinimum Qualifications:Bachelor’s degree in Computer Science, Software Engineering, Game Development, or a related technical fieldMinimum of 3 years of software development experience focused on simulation or game-based environmentsProficiency in programming languages such as C++, C#, Python, or JavaExperience with simulation platforms or engines such as Unity, Unreal Engine, Simio, or ArenaFamiliarity with version control systems and collaborative software development workflowsPreferred Qualifications:Understanding of modeling and simulation principles in military or operational contextsFamiliarity with the Naval Capabilities Integration Process (NCIP) and military systemsKnowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)Experience applying Agile or Scrum development methodologies in simulation projectsStrong communication, analytical, and cross-functional collaboration skillsClearance Requirements:Must possess a current/active DoD Top Secret (TS) clearance with eligibility for SCI and SAP accessPhysical Requirements:Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.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 Senior Capability Developer to join our team in Annapolis Junction, Maryland.We're looking for a Senior Capability Developer to join our elite team. In this role, you'll apply your deep technical expertise to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in a fast-paced environment, tackling unique challenges at the intersection of hardware, software, and embedded systems.Responsibilities include but are not limited to:Develop custom software tools and applications using Python, C, and Assembly, focusing on embedded and resource-constrained systems.Conduct rigorous code reviews to ensure the quality, security, and performance of developed software.Reverse engineer complex hardware and software systems to understand their inner workings and identify potential vulnerabilities.Perform in-depth vulnerability research to discover and analyze weaknesses in a variety of targets.Collaborate with a team of skilled engineers to design and implement innovative solutions to challenging technical problems.Minimum Qualifications:Bachelor's degree and 12 years of experience; or, a high school diploma with 16 years of experience; or, an Associate's degree with 14 years of experience. A Master's degree may substitute for 2 years of experience, and a PhD may substitute for 4 years of experience. Must have 7 years of position-relevant work experience Proficiency in programming and application development.Strong scripting skills, particularly in Python, C, and Assembly.Deep expertise in managing, configuring, and troubleshooting Linux.Experience in embedded systems.Experience in reverse engineering and vulnerability research of hardware and software.Experience in code review.Preferred Qualifications:Experience in CNO (Computer Network Operations) Development.Experience in virtualization.Knowledge of IoT (Internet of Things) devices.Experience with Linux Kernel development and sockets.Knowledge of integrating security tools into the CI/CD (Continuous Integration/Continuous Delivery) pipeline.Networking skills.Clearance Requirements:Top Secret/SCIPhysical 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 and detail-oriented Cyber Security Analyst to join our team in Dahlgren. VA This position is onsite.Responsibilities include but are not limited to:Work as an early-career computer scientist with emphasis on Linux, Python, Bash, and containerization for use in DoD applicationsDevelop, maintain, and enhance software systems, focusing on Linux systems administration, automation, and scripting, particularly in PythonWork with container environments, including Docker, Kubernetes, and Podman, to support software development and deploymentCollaborate with teams to ensure system-level requirements are met, including writing test cases, scenarios, and proceduresExecute test procedures, analyze results, and produce detailed trouble reports to support system developers and subject matter expertsParticipate in Test and Evaluation (T&E) of cybersecurity systems, with a focus on software certificationThe ability to travel to locations within the United States including Newport, RI, Washington DC, Philadelphia, PA to support test events and meetings (up to 20%)Minimum Qualifications:Associate’s Degree in Computer Science, Information Technology, or a related disciplineFoundational understanding of computer networking2+ years of professional experience in software engineeringExperience with Linux systems administration, scripting/automation, and Python programmingExperience with container environments (Docker, Kubernetes, and Podman)Preferred Qualifications:Bachelor’s degree in Computer Science, Information Technology, or a related disciplineExperience in operations and build toolchains, including GCCPreferred familiarity of Operational Technology, like ICS and SCADA systemsPossession of an active IAT II CertificationClearance Requirements:Ability to obtain a Secret clearance after starting on program.Physical Requirements:Ability to work effectively in a remote working environment.A dedicated, quiet, and ergonomically appropriate workspace conducive to productivity.Ability to sit at a desk or workstation for extended periods while working on a computer.Occasional movement within the office for communication and accessing resources.