• Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Software Engineer ** **- Training System Software (Onsite)** ... **Role Description: ** We are searching for a Principal Software Engineer to join...for the design, implementation, and testing of complex multi-platform training device software and their associated user… more
    RTX Corporation (11/19/25)
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  • Principal / Sr. Principal DevOps…

    Northrop Grumman (Chantilly, VA)
    … architecture & mission operations This requisition may be filled at either the ** Principal DevOps Software Engineer ** or **Senior Principal DevOps ... integration, hands-on build and test, field operations and maintenance, training , and production. This role is to support a...Software Engineer ** level. **Basic Qualifications for** ** Principal DevOps Software Engineer ** **:**… more
    Northrop Grumman (12/04/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team,...Paid Time Off and Additional Benefits including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and… more
    Northrop Grumman (10/21/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …Are you interested in defining possible? **Northrop Grumman Mission Systems** is seeking a ** Principal Software Engineer (T03)** to join our team! This ... training , and production. **Roles and Responsibilities:** + Develop software system architectures based on evolving mission needs, emerging technologies,… more
    Northrop Grumman (12/23/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems Engineer level ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems… more
    Northrop Grumman (11/21/25)
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  • Principal or Senior Principal

    Northrop Grumman (Fairfax, VA)
    …Grumman Aeronautics Systems is looking to add a ** Principal or Senior Principal Network and Communications Field Service Engineer ** to our team at **RAAF ... of Comms and Networks equipment to include radio terminals, software loads, switches, routers, and firewalls required to support...location. _This position can be filled at either the Principal Field Service Engineer OR Senior … more
    Northrop Grumman (12/04/25)
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  • Systems Test Engineer / Principal

    Northrop Grumman (Chantilly, VA)
    …**Northrop Grumman Mission Systems** is seeking a candidate to fill a **Systems Test Engineer / Principal Systems Test Engineer ** position. This position ... test kits. This requisition may be filled at either the **Systems** **Test Engineer ** or ** Principal ** **Systems** **Test Engineer ** level. **Basic… more
    Northrop Grumman (10/23/25)
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  • Principal Systems Engineer

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team… more
    V2X (11/25/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our ... be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible...work processes. + Attends and participates in team meetings, training sessions, and company sponsored programs as required. Required… more
    Saliense Consulting (01/06/26)
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  • Principal Systems Engineer -Defense

    Curtiss-Wright Corporation (Ashburn, VA)
    ** Principal Systems** ** Engineer -Defense** We are growing and looking for a **_Principal Systems_** **_Engineer_** to join our team in Ashburn VA. As our ... Principal Systems Engineer you will be an...status and way forward to varied audiences + Recommending training to enhance team development + Evaluating technical performance… more
    Curtiss-Wright Corporation (11/18/25)
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  • Principal Cyber Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. ** Principal Cyber Engineer ** Nightwing provides technically advanced full-spectrum ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer ** Cyber Offense and Defense Experts (CODEX) is… more
    Nightwing (12/12/25)
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  • Principal Engineer - Electrical

    Bechtel Corporation (Reston, VA)
    …Following project award, dedicated project teams will be formed and the Principal Engineer Electrical will have functional oversight for the combined ... cycle power projects. # Job Summary: The Principal Engineer - Electrical will support the...data + Develops and coordinates special technical educational and training programs for Bechtel personnel + Establishes detailed project… more
    Bechtel Corporation (12/24/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...Task Order. Provides planning, design, initial fielding, testing, and training , for complex, special purpose US communications systems and… more
    CACI International (10/31/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful ... including but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an… more
    Northrop Grumman (01/01/26)
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  • Principal Systems Engineer

    Northrop Grumman (Chantilly, VA)
    …+ Participate in test events This requisition will be filled at the ** Principal Systems Engineer ** level. **Basic Qualifications for Principal Systems ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators… more
    Northrop Grumman (12/19/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Fairfax, VA)
    …embedded with a US Navy unit and be the system subject matter expert, providing training on the system hardware and software , as well as supporting the sailors ... support from Northrop Grumman Responsible Engineering/Development/Test Engineering teams. **Sr. Principal System Test Engineer responsibilities include:** +… more
    Northrop Grumman (11/16/25)
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  • Unified Communications Engineer

    Amentum (Warrenton, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in ... for transformative change. **Responsibilities:** The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited… more
    Amentum (12/11/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (01/09/26)
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  • CCSS Principal Systems Engineer

    RTX Corporation (Springfield, VA)
    …more secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual ... and performance degradation, including identifying and implementing necessary hardware, software , and technical adjustments. + Experience with XACTA compliance… more
    RTX Corporation (11/13/25)
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  • Acquisition Systems Engineer Senior…

    SAIC (Chantilly, VA)
    …in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training . We are a ... part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) in acquisition and… more
    SAIC (11/21/25)
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