• Principal Engineer - Top

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... history. Northrop Grumman Space Systems Sector seeks a qualified Principal Systems Engineer for the role of...+ **Must have US Citizenship with current or active Top Secret Clearance at time of application**… more
    Northrop Grumman (11/01/25)
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  • LINUX Sr Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... II Certification within 6 months of assignment. + **Security Clearance Level:** Active Top Secret + **Required Skills and Abilities** : Highly motivated,… more
    General Dynamics Information Technology (09/23/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal… more
    General Dynamics Information Technology (08/09/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …**Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact as ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...a **Senior** ** Principal Systems Engineer for Exchange Messaging** with… more
    General Dynamics Information Technology (10/06/25)
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  • Principal /Sr Principal Fault…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... they're making history. Northrop Grumman is hiring a qualified Principal /Sr. Principal Systems Engineer to...in technical field + 6 years of experience + Top Secret clearance required at time of… more
    Northrop Grumman (09/19/25)
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  • Principal Systems Engineer

    RTX Corporation (Sterling, VA)
    …eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer ** **- Operational Expert** This position ... 12 years of relevant experience + Active and transferable US government issued secret security clearance or higher is required prior to start date **Qualifications… more
    RTX Corporation (11/04/25)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... including identification, mitigation and realization **Basic Qualifications:** + Active DoD Top Secret Clearance at the time of application + Bachelor's Degree… more
    Northrop Grumman (08/20/25)
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  • HSM Engineer - Active Top

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... opportunity to make a personal impact as a **Senior Principal Engineer for HSM** with GDIT. A...IAT level II compliance + **Security Clearance Level:** Active Top Secret with SCI eligibility and a… more
    General Dynamics Information Technology (10/04/25)
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  • RF Microwave Design Engineer /FPGA - Level…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... filled at either a Level 2 or Level 3 ( Principal ). This position will work a 9/80 schedule, with...projects, etc.) + Requires an active US Government DoD Top - Secret security clearance at time of application,… more
    Northrop Grumman (10/28/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Washington, DC)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and...by Company, based on OCONUS location. + **Active DoD Top Secret clearance** (with a background investigation… more
    Northrop Grumman (09/17/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations management ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our...(DoD 8570 IAT Level II Computing Environment Cert) + Top Secret Clearance Saliense Consulting LLC provides… more
    Saliense Consulting (10/01/25)
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  • Sr./ Principal DevOps Engineer (TS)…

    Northrop Grumman (Dulles, VA)
    …or active Top - Secret clearance required at time of application **Sr. Principal DevOps Engineer ** + Bachelor's degree in a STEM field (ideally Computer ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (10/23/25)
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  • Sr Principal Engineer Mission…

    Northrop Grumman (Chantilly, VA)
    …that do not meet required standards and specifications **Basic Qualifications Sr Principal Engineer Mission Assurance:** + Bachelor's degree in a related ... AS9100 Quality Management System certification process. **Preferred Qualifications Sr Principal Engineer Mission Assurance:** + BS Degree...higher or ability to acquire a Department of Defense Top Secret clearance. **What We Can Offer… more
    Northrop Grumman (09/30/25)
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  • Identity and Access Management Senior…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Join GDIT as an Identity and Access Management Senior Principal Engineer you will build an impactful...Administrator, MCSE). REQUIRED . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location:… more
    General Dynamics Information Technology (11/01/25)
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  • Senior Principal Applications Delivery…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... you advance your career. Join GDIT as a Senior Principal Applications Delivery Network Engineer and build...are preferred. REQUIRED . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location:… more
    General Dynamics Information Technology (11/01/25)
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  • Systems Test Engineer / Principal

    Northrop Grumman (Chantilly, VA)
    …theories, concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret /SCI security clearance + Experience in cable testing + ... Mission Systems** is seeking a candidate to fill a **Systems Test Engineer / Principal Systems Test Engineer ** position. This position will be located… more
    Northrop Grumman (10/23/25)
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  • Principal RF Engineer

    Leidos (Arlington, VA)
    …or Masters with 10+ years prior relevant experience. + Must be US Citizen. + Active Secret or Top Secret clearance with ability to receive TS//SCI. + ... for our nation's defense.** We currently have an opening for a ** Principal RF Engineer ** to work with a talented multi-disciplined design team across the… more
    Leidos (08/30/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …cycle. + Experience writing software design documentation. **Preferred Qualifications:** + Active Top Secret / SCI security clearance with poly. + Experience ... of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting a program… more
    Northrop Grumman (10/21/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Washington, DC)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... Northrop Grumman Defense Systems sector is seeking a **Sr. Principal Cyber Software Engineer ** to join our...policy + Security+ certification + Must have an active Top Secret /SCI clearance with Polygraph + Able… more
    Northrop Grumman (10/04/25)
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  • Principal Satellite Communications…

    ManTech (Reston, VA)
    …**Preferred Qualifications:** + N/A **Clearance Requirements:** + Must have an active/current Top Secret security clearance. **Physical Requirements:** + Must be ... **ManTech** seeks a motivated, career and customer-oriented ** Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This… more
    ManTech (09/18/25)
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