• Principal Systems Engineer

    V2X (Suitland, MD)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team… more
    V2X (11/15/25)
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  • Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …15 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a ... personal impact as a Senior Principal Systems Engineer with GDIT. A career in systems engineering means designing and implementing the systems that… more
    General Dynamics Information Technology (11/08/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... technical briefings to customers and mission partners **\#NOVASPACE** **Basic Qualifications:** + ** Principal Engineer Level (T3)** - BS in STEM - Science,… more
    Northrop Grumman (10/17/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Are you ready to enhance your skills and build your career in a… more
    Chenega Corporation (09/14/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must ... new cyber capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated cloud-based… more
    Shuvel Digital (09/25/25)
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  • Space Principal /Sr. Principal

    Northrop Grumman (Mclean, VA)
    …Write status and technical performance reviews, analyses and reports **Basic Qualifications:** + ** Principal Systems Engineer ** - Bachelors of Science degree ... degree in technical field with 3+ years of experience; or a PhD + **Sr. Principal Systems Engineer ** - Bachelors of Science degree in technical field and 8+… more
    Northrop Grumman (11/13/25)
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  • Principal Systems Engineer

    RTX Corporation (Springfield, VA)
    …problems that create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems ... within the Intelligence Community. The ideal candidate will apply Model-Based Systems Engineering (MBSE) and Digital Engineering practices to define system… more
    RTX Corporation (10/13/25)
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  • Principal Systems Engineer

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer ** **- Operational Expert** This position ... and Services (SS&S) business area. SS&S develops and builds simulators and training systems for both military and commercial customers, with the primary focus being… more
    RTX Corporation (11/04/25)
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  • CCSS Principal Systems

    RTX Corporation (Springfield, VA)
    …a safer, more secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated ... involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support...are in support of the Command and Control Switching Systems (CCSS) Program. What You Will Do + Take… more
    RTX Corporation (11/13/25)
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  • Principal Network Systems

    Saliense Consulting (Arlington, VA)
    …the design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to ... the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our team… more
    Saliense Consulting (10/01/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …of 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 ... 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 (08/22/25)
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  • Systems Test Engineer

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

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's ... us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team in… more
    Leidos (10/30/25)
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  • Principal Software Systems

    RTX Corporation (Sterling, VA)
    …security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a ... military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer - IPT… more
    RTX Corporation (10/29/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) ... **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus of… more
    Leidos (08/29/25)
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  • Sr. Principal Systems

    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 ... 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 (08/20/25)
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  • Principal / Sr Principal Vehicle…

    Northrop Grumman (Dulles, VA)
    …processing will be coordinated through program Security. **Basic Qualifications** **:** + ** Principal Engineer ** - Bachelor's degree or higher in Aerospace ... part of history, they're making history. Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer ...degree and 6 years of applicable experience. + **Sr. Principal Engineer ** - Bachelor's degree or higher… more
    Northrop Grumman (10/31/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …join our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The ... but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an active… more
    Northrop Grumman (10/02/25)
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  • Engineer / Principal Engineer

    Northrop Grumman (Dulles, VA)
    …and test activities at a customer location. This position may be filled as an Engineer (level 2) or Principal Engineer (level 3) depending on how ... history, they're making history. Northrop Grumman has an immediate opening for a Systems Test Engineer on an exciting program based in Dulles, Virginia. As a … more
    Northrop Grumman (10/16/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top ... Required** Seize your opportunity to make a personal impact as a **Senior** ** Principal Systems Engineer for Exchange Messaging** with GDIT. We're seeking a… more
    General Dynamics Information Technology (11/06/25)
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