• Southland Industries (Dulles, VA)
    …experience, including minimum 5 years' people management + Expert knowledge of applicable systems design, such as HVAC, plumbing, etc., as well as all design ... policy not to accept candidate submissions from recruiting agencies without an active and authorized work order. Candidate ownership can only be established after… more
    DirectEmployers Association (09/27/25)
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  • Fairfax County Government (Fairfax, VA)
    …Works under the guidance and general direction of the Project Coordinator ( Principal Engineer ) and/or Division Director of Design, Engineering and Construction. ... for commercial building mechanical, plumbing systems , and building automation systems . As licensed professional mechanical engineer signs and seals own… more
    CollegeRecruiter (12/14/25)
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  • Principal Systems Engineer

    V2X (Suitland, MD)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead… 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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  • Senior Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Systems Engineer - Messaging - Active Top Secret Required** ... your opportunity to make a personal impact as a ** Principal Systems Engineer - Messaging**...8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities** :… more
    General Dynamics Information Technology (12/10/25)
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  • Principal /Sr. Principal MOD/SIM…

    Northrop Grumman (Jessup, MD)
    …to start **Preferred Qualifications for Principal / Sr. Principal MOD/SIM Systems Engineer :** * Active DoD TS/SCI clearance with a Polygraph ... area** _._ **This requisition may be filled as a Principal MOD/SIM Systems Engineer or...the applicant to be a US Citizen * Current Active DoD Secret Clearance with the ability to obtain… more
    Northrop Grumman (12/11/25)
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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 (11/06/25)
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  • Senior Principal Supplier Management…

    Northrop Grumman (Jessup, MD)
    …prior to start **Preferred Qualifications for** **Senior Principal Supplier Management Systems Engineer ** **:** * Current active DoD TS/SCI with ... Grumman Microelectronics Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a **Senior Principal Supplier Management Systems Engineer **… more
    Northrop Grumman (12/13/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Jessup, MD)
    …Qualifications of Principal / Sr. Principal Requirements and Test Planning Systems Engineer :** + Current/ active DoD Top Secret Clearance and SCI with ... seeking a ** Principal /Sr. Principal Requirements and Test Planning Systems Engineer ** **What You'll Get to Do** Develop test plans and reports to verify… more
    Northrop Grumman (12/05/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Jessup, MD)
    …history. We are seeking candidates for the position of ** Principal / Senior Principal Systems Engineer - Integration & Test** to support Advanced ... per customers' requirements prior to start.** **Basic Qualifications for Principal Systems Engineer - Integration...the applicant to be a US citizen + Current Active DoD Secret Clearance with the ability to obtain… more
    Northrop Grumman (12/05/25)
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  • Principal /Sr Principal

    Northrop Grumman (Jessup, MD)
    …new energy-efficient computing systems . MDA is seeking a ** Principal /Sr Principal Software Systems Engineer ** with demonstrated ability to lead ... Junction, MD.** _This position can be filled as a Principal Engineer Software Systems or...**Preferred Qualifications for Principal /Sr Principal Engineer Software (Software Architecture):** + Current active more
    Northrop Grumman (12/05/25)
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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 (11/21/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Jessup, MD)
    …The Systems Engineering Integration & Test (SEIT) department is seeking ** Principal /Sr. Principal Systems Engineer ** to join our ... MD** **_._** **This position can be filled as a Principal Systems Engineer OR as...security clearance per customer's requirements **Preferred Qualifications:** + Current Active DoD TS/SCI with Polygraph. + STEM degree in… more
    Northrop Grumman (12/05/25)
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  • Principal /Sr Principal HPC…

    Northrop Grumman (Jessup, MD)
    …either a Principal Level or a Sr. Principal Level. **Basic qualifications: Principal Systems Engineer ** + A degree in a STEM area (Science, ... + _Active US Government security clearance per customers requirements_ **Basic qualifications: Sr. Principal Systems Engineer ** + Bachelor's degree in a STEM… more
    Northrop Grumman (12/05/25)
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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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  • 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 (12/05/25)
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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. ... capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess,...Must be a US Citizen * Must have an active Secret clearance and be able to obtain a… more
    Shuvel Digital (09/25/25)
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  • Principal / Sr. Principal Embedded…

    Northrop Grumman (Jessup, MD)
    …Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a ** Principal Embedded Software Engineer /Senior ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Baltimore, MD.** **This requisition may be filled as a** ** Principal Embedded Software Engineer or Senior … more
    Northrop Grumman (12/05/25)
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  • Principal Network Systems

    RTX Corporation (Dulles, VA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST)** is seeking a ** Principal Networking Systems Engineer ** specializing in infrastructure design ... below: Applied Signal Technology: WHO WE ARE (https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/communications/applied-signal-technology) The ** Principal Networking Systems Engineer ** must… more
    RTX Corporation (12/02/25)
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  • Principal / Sr. Principal Software…

    Northrop Grumman (Jessup, MD)
    … Software Development Engineer / Senior Principal Software Development Engineer :** + Current active DoW TS/SCI with FS Polygraph clearance + Software ... Northrop Grumman Microelectronics Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a ** Principal Software Development Engineer /Senior Principal more
    Northrop Grumman (12/05/25)
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