• Principal Cyber Security Systems

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer** to join our team in **Chantilly, VA** . This role offers an exciting ... Juniper, Cisco, F5, and similar platforms + Administering and troubleshooting Windows, Linux , and vendor appliance-based systems to ensure high availability and… more
    ManTech (08/29/25)
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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 Engineer, Autonomy Interface…

    General Motors (Richmond, VA)
    …elegant software architectures, defining how to test, benchmark, and debug complex systems , and providing mentorship for staff and senior software engineers. ... location three times a week, at minimum. **Role:** The Principal Software Engineer at General Motors should be an...competitive edge:** + Experience developing on and for embedded Linux / POSIX systems + Experience applying… more
    General Motors (09/13/25)
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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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  • Java Developer Principal

    SAIC (Ashburn, VA)
    …**Position Summary** We are currently seeking a motivated, career and customer oriented ** Principal Java Backend Developer** to join our team to begin an exciting ... Ashburn, VA. **Job Responsibilities** + Working closely with the tech lead and senior developers, the Senior -Level Backend Developer will participate in the… more
    SAIC (09/12/25)
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  • Java Developer Principal

    SAIC (Ashburn, VA)
    …and Streaming Systems (Kafka, SQS and Kinesis.) + XML/JSON. + Unix/ Linux . + Experience with JPA/Hibernate. + Experience with building RESTful webservices and ... VA. **Job Responsibilities** + Working closely with the tech lead and senior developers, the Mid-Level Java Developer will participate in the system architecture… more
    SAIC (08/08/25)
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  • Principal Professional Services Consultant

    Rocket Software (Richmond, VA)
    …Professional Services Team is looking for a highly skilled Mainframe Modernization Senior Consultant to provide technical support and/or leadership in the creation ... Professional Services Team is looking for a highly skilled Mainframe Modernization Senior Consultant to provide technical support and/or leadership in the creation… more
    Rocket Software (09/06/25)
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  • Senior Principle Infrastructure Engineer…

    RTX Corporation (Sterling, VA)
    …**Raytheon Company, Managed by Collins Aerospace** Collins Aerospace is seeking a ** Senior Principal Infrastructure Engineer.** This position is located onsite ... including MBSE, DevSecOps and Agile Scrum at Scale. We're seeking a ** Senior Principal Infrastructure Engineer** to design, deploy, and integrate cutting-edge… more
    RTX Corporation (09/23/25)
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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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  • Calling All TS Mid-Career AI Algorithm Development…

    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 ... can be filled as a Level 4 or 5. **Basic Qualifications:** _Sr. Principal Engineer_ + Bachelor's Degree (in Computer Science, Reinforcement Learning, or in STEM)… more
    Northrop Grumman (08/20/25)
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