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 the Hanover, Maryland location. Provides 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 metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programmingDebug and troubleshoot software, modify existing software to correct errors, to adapt to new requirements, or to improve performance and perform quality control on team productsCoordinating and performing software deployments for developed productsMinimum Qualifications:Bachelor’s degree in Computer Science or related field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience developing and coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge of Software Version ControlKnowledge of CNO environmentKnowledge of Agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Security 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, 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 is seeking a motivated, career and customer-oriented Systems Engineer to join our team in Linthicum Heights, MD. The position is part of a team that provides systems engineering, cybersecurity analysis and cryptographic engineering technical expertise.Responsibilities include, but are not limited to:Providetechnical leadership for the full system development life cycle, including requirements, design, integration, and testing of complex hardware/software systemsSupport and guide system development and implementation planning through assessment or preparation of system engineering management plans and system integration and test plansSupport the planning and test analysis of the DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation processes)Participate in establishing and gaining approval of the definition of a system or component under development (requirements, designs, interfaces, test procedures, etc.) that provides a common reference point for hardware and software developersDerive and validate detailed, lower-level requirements to ensure they are complete and verifiable, providing input for program work plans.Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) – Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etcContribute to the development of sections of systems engineering documentation such as System Engineering Plans, Initial Capabilities Documents, Requirements specifications, and Interface Control Documents Coordinate the resolution of action items from Configuration Control Board (CCB) meetings, design reviews, program reviews, and test reviews that require cross-discipline coordinationBasic Qualifications/Capabilities:Bachelor’s degree in Computer Science, Engineering, or Computer Engineering and 14+ years of experience; an additional 5 years of relevant experience might be considered for a degreeMust have working knowledge and understanding of computer networks, including network architecture, protocols, and troubleshooting in enterprise environments.Security Clearance Requirements:Must have a current/ active TS/SCI clearance w/ polygraphPhysical Requirements:Must be able to remain in a stationary position for extended periods of time. 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

ManTech is seeking a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Linthicum, MD. The position is part of a team that provides security engineering in the Linthicum location and will provide implementation and/or integration of secure networking, computing and enclave environments.Responsibilities Included but are not limited to:Responsible for providing expertise in complying with Systems Security Certification & Accreditation (C&A) processes, to include discovery meetings, achieving Interim Approval to Test (IATT) and in obtaining final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all mission systems to gain successful accreditation as well as manage all security relevant changes to the mission systems, assuring SSP documentation is up-to-date and ATO status is maintained.Perform/review technical security assessments of computing environments for non- complianceValidate and verify system security requirements definitions and analysis and establishes system security designsAssist architects and systems developers in the identification and implementation of appropriate information security functionalitySupport the building of security architectures and enforce the design and implementation of trusted relations among external systems and architecturesAssess and mitigate system security threats/risks throughout the program life cycleContribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operationsReview certification and accreditation documentation and provide feedback on completeness and compliance of its content.Minimum Qualifications:Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university7 years experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity.In lieu of a degree four (4) years of additional Information Systems Security Engineer experience may be substituted for a bachelor's degree.IASAE Level 2 Certificate required.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: 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.