• 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. ... schedules and budgets for commercial building electrical, generator and life safety systems and/or components. As licensed Professional Electrical Engineer signs… more
    CollegeRecruiter (12/16/25)
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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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  • LMI Consulting, LLC (Tysons Corner, VA)
    …missions and drive lasting value. We are actively seeking a highly skilled Principal Engineer , Solutions Architect to join our innovative team in developing ... critical part in evolving and implementing a scalable platform that incorporates active RFID (aRFID) hardware, passive RFID (pRFID) hardware, modern cloud computing… more
    CollegeRecruiter (12/13/25)
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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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  • 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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  • 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 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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  • 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 (12/14/25)
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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 (11/28/25)
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  • Principal or Senior Principal

    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 OR Senior … more
    Northrop Grumman (12/04/25)
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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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  • 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 ... 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 (11/13/25)
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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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  • Principal Software Engineer

    Oracle (Washington, DC)
    **Job Description** Join the OCI Resource Analytics Team as a Principal Software Engineer - Oracle Data Warehouse & PL/SQL Expert. We're building a cutting-edge ... insights into inventory, compliance, and cost trends. As a Principal Software Engineer , you will take ownership...developing, designing and debugging of software applications or operating systems . As a Principal Member of Technical… more
    Oracle (12/04/25)
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  • Senior Principal Software Engineer

    Oracle (Washington, DC)
    …areas related to the development of cloud-based Interactive Media or Social Networking systems . Senior Principal Engineer is an individual contributor role ... of the following OCI hubs: Seattle, WA or Santa Clara, CA As a Senior Principal Engineer inside the Oracle Cloud Infrastructure Media Services team, you will… more
    Oracle (11/25/25)
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  • Principal Software Development…

    Oracle (Washington, DC)
    …and debugging of software applications or operating systems . As a Principal Software Development Engineer , you will be working closely with software ... and securely configure these tenancies. We're looking for a Principal Software Development Engineer to help us...software engineers on our team. You will take an active role in the definition and evolution of standard… more
    Oracle (11/25/25)
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  • Principal Software Engineer , OCI…

    Oracle (Washington, DC)
    …out of the following OCI hubs: Seattle, WA or Santa Clara, CA As a Principal Engineer inside the Oracle Cloud Infrastructure Media Services team, you will have ... in media services related areas (specifically video) is highly desired for this role. Principal Engineer is an individual contributor role that requires a proven… more
    Oracle (11/25/25)
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  • Remote - Principal Security Engineer

    Oracle (Washington, DC)
    …a global understanding of a given program? We are looking for a Principal Security Engineer with experience in various aspects of Software Understanding ... persistent threats) and identifying the root causes for such behavior. As a ** Principal Security Engineer ** , you will work collaboratively with other engineers… more
    Oracle (11/25/25)
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