• LINUX Sr Principal

    General Dynamics Information Technology (Washington, DC)
    …will help ensure today is safe and tomorrow is smarter. Our work depends on a skilled Linux Senior Principal Systems Engineer joining our team to bring ... Citizenship Required:** Yes **Job Description:** Job Description ** Senior Principal Systems Engineer - Linux ** Design, deploy, integrate and maintain… more
    General Dynamics Information Technology (09/23/25)
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  • Principal / Sr Principal

    Northrop Grumman (Dulles, VA)
    …and in collaborative team settings across all levels. This position can be filled as a Principal (level 3) or Sr Principal (level 4) depending on experience ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/30/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Sr Principal Windows Systems Administrator** to join its dynamic ... Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (10/03/25)
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  • Sr . Principal or Principal

    Boehringer Ingelheim (Ashburn, VA)
    …to drive innovation within the Enterprise Compute team. **Requirements** **_Sr. Principal Systems Engineer:_** Associate degree from an accredited institution ... Relevant Business or IT experience of minimum of eleven (11) years. **_Principal Systems Engineer_** Associate degree in Computer Science, MIS or a related field… more
    Boehringer Ingelheim (09/04/25)
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  • Sr ./ Principal DevOps Engineer (TS)…

    Northrop Grumman (Dulles, VA)
    …US citizenship with current or active Top-Secret clearance required at time of application ** Sr . Principal DevOps Engineer** + Bachelor's degree in a STEM field ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...tools, and tool chains + A strong background in Linux operating system + Kubernetes cluster experience from both… more
    Northrop Grumman (10/23/25)
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  • Sr Principal Cybersecurity…

    Northrop Grumman (Chantilly, VA)
    …including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + ... team of engineers, system administrators, and operators as a Sr . Principal Cyber Systems Engineer...including COTS integration, and capacity analysis. + Experience with Linux and Windows operating systems + Previous… more
    Northrop Grumman (10/02/25)
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  • Sr Principal Engineer Software

    Northrop Grumman (Chantilly, VA)
    …work of your career. Are you interested in defining possible? **Northrop Grumman Mission Systems ** is seeking a ** Sr Principal Software Engineer** to join ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/07/25)
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  • Sr . Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …of your career. **Northrop Grumman Mission Systems ** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our team supporting a ... Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you...knowledge of cryptography best practices. + Deep knowledge of Android/ Linux system internals. + Experience with Android/ Linux more
    Northrop Grumman (10/21/25)
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  • Cloud Engineer Sr Principal

    General Dynamics Information Technology (Fairfax, VA)
    …to ensure our mission is never interrupted. Our work depends on a Cloud Systems Engineer Senior Advisor joining our team to support internal GDIT operational ... working in a remote based environment. As a Cloud Systems Engineer Sr . Advisor supporting internal GDIT...and documentation skills. * Experience presenting to stakeholders and senior management * Ability to work some nights and… more
    General Dynamics Information Technology (10/21/25)
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  • Sr . Principal DevOps Deputy/Lead…

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... as Code (IaC), Terraform, and Ansible + Over 5 years of experience with Linux tools/automation, shell scripting, and Python programming + 2+ years of AWS experience… more
    Northrop Grumman (10/15/25)
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  • Principal OR Senior Principal

    Northrop Grumman (Washington, DC)
    …they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Service Engineer - Network and Communications level or the Senior Principal Field Service Engineer - Network… more
    Northrop Grumman (09/17/25)
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  • Lead Senior Principal Cloud…

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Description:** Job Description Transform technology into opportunity as **a Lead Senior Principal Cloud Developer** at GDIT. Shape what's next for ... At GDIT, people are our differentiator. As a **Lead Senior Principal Cloud Developer,** you will help...cloud solutions + Maintains the integrity and security of systems + Maintains all documentations + Supports and develops… more
    General Dynamics Information Technology (10/23/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in the **Chantilly, VA.** ... Information and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices, TCP/IP… more
    ManTech (10/24/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Create and plan migration process to support applications hosted by the Windows/ Linux systems . + Complete system security checklists, patches, upgrades, ... how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is smarter.… more
    General Dynamics Information Technology (09/30/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    …position. The ** Principal Software Engineer** will work with Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks ... ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer** to join our team in...limited to:** + Designing, developing, programming, and modifying software, systems , applications, and tools, both existing and new in… more
    ManTech (09/10/25)
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  • Full Stack Developer, Assoc. Principal

    BigBear.ai (Ashburn, VA)
    Overview BigBear.ai is seeking a Senior Principal Full Stack Developer to a multi-year contract to support the ongoing modernization and maintenance of the CBP ... information systems , using JAVA/JEE. What you will do + Design...EJBS + Web services (SOAP and Restful) + Unix/ Linux + JEE Server experience (Spring boot, Tomcat, WebLogic,… more
    BigBear.ai (10/11/25)
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  • Software Developer - Principal

    Parsons Corporation (Chantilly, VA)
    …This will lead teams in the design, development, and maintenance of complex systems . We meet customer and mission needs by leveraging cutting-edge research and ... process, from understanding customer requirements, to design, development, testing and deployment. Senior members at BRE also directly assist with winning new work,… more
    Parsons Corporation (10/21/25)
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  • Data Scientist Principal

    SAIC (Ashburn, VA)
    …+ We are currently seeking a motivated, career and customer-oriented **Data Scientist ( Senior )** to join our team to begin an exciting and challenging career in ... AND EXPERIENCE** + 3+ years of leadership experience + Knowledge working with Unix/ Linux + Docker + Kubernetes + Oracle/Postgres DB + Experience working with DHS,… more
    SAIC (10/11/25)
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  • SEIT Systems Engineer - level 3 or 4

    Northrop Grumman (Fairfax, VA)
    …may be filled at either a level 3 ( Principal ) or a level 4 ( Senior Principal ), depending on the candidate's experience as laid out in the basic ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...research projects, etc.) + **Level 4** : ( _Sr Principal level_ ) + Bachelor's degree in a STEM… more
    Northrop Grumman (10/03/25)
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  • Senior Cyber Engineer

    Nightwing (Sterling, VA)
    …clearance is required + At least 5 years of experience with C/C++ on Unix/ Linux platforms using Make/CMake build systems + Familiarity with static decompilers ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/12/25)
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