• LINUX Sr Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** Job Description **Senior Principal Systems Engineer - Linux** Design, deploy, ... Linux technologies to advance the mission as a **SENIOR PRINCIPAL SYSTEMS ENGINEER ** with GDIT....where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On.… more
    General Dynamics Information Technology (09/23/25)
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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 (08/09/25)
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  • Systems Engineer SME - Active

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active Top ... Seize your opportunity to make a personal impact as a **Sr** ** Principal Systems Engineer ** **- ACTIVE DIRECTORY** with GDIT. A career in systems more
    General Dynamics Information Technology (09/05/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your ... opportunity to make a personal impact as a **Senior** ** Principal Systems Engineer for Exchange...8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities** :… more
    General Dynamics Information Technology (10/06/25)
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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 ... program-related meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal more
    Northrop Grumman (08/22/25)
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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 ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to...days/week onsite in Arlington, VA. Candidates must possess an active Secret clearance to be considered and must be… more
    Saliense Consulting (10/01/25)
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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 ... kits. This requisition may be filled at either the ** Systems ** **Test Engineer ** or ** Principal **...concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret/SCI security clearance + Experience in cable… more
    Northrop Grumman (10/23/25)
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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,...in STEM and 12+ years of relevant experience + Active Secret clearance + Experience with MDA/DoD systems more
    Chenega Corporation (09/14/25)
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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) ... Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security...a degree. + **To be considered must have an active TS/SCI with polygraph security clearance** **Preferred Qualifications** +… more
    Leidos (08/29/25)
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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 ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (10/13/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently have an active Secret security ... looking for you to join our team as a ** Principal ** **Cyber Software Test Engineer ** and **Sr....Engineer :** + **Clearance: Candidate must currently have an active Secret security clearance to be considered. Active more
    Northrop Grumman (11/01/25)
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  • CCSS Principal Systems

    RTX Corporation (Washington, DC)
    …a safer, more secure world. Raytheon Field Engineering is anticipating an opportunity for a ** Principal Systems Engineer ** . This role is suited for a ... Type:** Remote **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (09/19/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Washington, DC)
    …Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...location. _This position can be filled at either the Principal Field Service Engineer - Network and… more
    Northrop Grumman (09/17/25)
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  • Software Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …and enterprise architecture. Roles & Responsibilities: MITRE seeks an accomplished, proactive Principal Systems Engineer capable of serving as deputy ... of functions related to project and program management, acquisition strategies, systems engineering, and data-driven decision-making. The department is adept at… more
    The MITRE Corporation (11/01/25)
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  • Acquisition Systems Engineer Senior…

    SAIC (Chantilly, VA)
    …efforts as part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) ... in acquisition and execution of mission critical systems . The Acquisition Systems Engineer ...future contracts. **Qualifications** **Required Qualifications:** + Must possess an active TS/SCI clearance with polygraph. + Bachelors and 14… more
    SAIC (10/23/25)
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  • Principal Cyber Software Engineer

    Northrop Grumman (Mclean, VA)
    …they're making history. Northrop Grumman Defense Systems has an opening for a Principal Cyber Software Engineer . We are looking for you to join our team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...as a Principal Cyber Software Engineer based out of… more
    Northrop Grumman (10/26/25)
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  • Principal Engineer (Project…

    Fairfax County Sheriff's Office (Fairfax, VA)
    Principal Engineer (Project Coordinator) Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5102969) Apply  Principal Engineer ... design industry, with at least 3 years in a leadership role as a senior engineer or principal in leading commercial building MEP+ design and strategy for public… more
    Fairfax County Sheriff's Office (11/01/25)
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  • Principal RF Engineer

    Leidos (Arlington, VA)
    …engineers, systems engineers, software/firmware engineers, scientists, etc.). The ** Principal RF Engineer ** will direct the design and development ... at the forefront of researching, designing, and developing EW systems , directed energy systems , high speed/hypersonic weapon...nation's defense.** We currently have an opening for a ** Principal RF Engineer ** to work with a… more
    Leidos (08/30/25)
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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...worldwide to install, maintain and upgrade complex electronic mission systems , security systems and antennas. You will… more
    CACI International (10/31/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an active **TS/SCI with Polygraph** ... of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional...clearance; required to start, and must be maintained. + Active DoD 8570 IAT Level II, or higher, certification… more
    Northrop Grumman (10/02/25)
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