• Engineer - First Operator (Boiler Operator)

    Amentum (Mclean, VA)
    …to join our team in **McLean, VA!** **Must be able to obtain and maintain a Top Secret /SCI US Government security . Note: US citizenship is required to obtain ... a Top Secret /SCI security clearance.** **MAJOR...equipment. + Make periodic tours of assigned equipment and systems within headquarters + compound, recording required data. +… more
    Amentum (01/08/26)
    - Related Jobs
  • Senior Engineering Lead

    CACI International (Washington, DC)
    …with key stakeholders and external partners **Qualifications:** _Required:_ + Top Secret ( TS ) with Sensitive Compartmented Information (SCI) eligibility ... development, including full range of engineering and architecture support services, integration, systems level testing, and security planning and compliance to… more
    CACI International (12/11/25)
    - Related Jobs
  • Systems Test Engineer

    KBR (Chantilly, VA)
    …and provide feedback to technical delivery team Minimum Qualifications: + A CURRENT and ACTIVE TOP SECRET / SCI federal security clearance with a Polygraph + ... testing, configuration management processes. + Bachelor's degree in engineering, Management Information Systems , Information Technology, Information more
    KBR (12/05/25)
    - Related Jobs
  • Personnel Security Specialist - Mid

    Amentum (Washington, DC)
    …Government database systems . + Experience performing database searches for information related to personnel security matters. + Distribution and update ... as required. **Minimum Qualifications:** + Must have an Active Top Secret US Government Clearance. Note: US...denial, or revocation of eligibility for access to national security information based on the application of… more
    Amentum (12/02/25)
    - Related Jobs
  • Specialist, Field Flight Test Engineer

    L3Harris (Ashburn, VA)
    …of 8 years of prior related experience. + Active US DOD TOP SECRET or TS /SCI security clearance. Onboarding is contingent upon clearance ... Evaluation team supporting our family of autonomous unmanned aircraft systems (UAS). The FSR plays a critical hands-on role...for OCONUS travel (~1 week/year). + Active US DOD TOP SECRET security clearance which… more
    L3Harris (11/06/25)
    - Related Jobs
  • Lead Artificial Intelligence Engineer…

    The MITRE Corporation (Chantilly, VA)
    …technical and non-technical audiences / decision makers. Basic Qualifications: + Active Top Secret /SCI clearance with ability to obtain/maintain Polygraph. + ... and must meet eligibility requirements for access to classified information or applicants who are eligible for security...5 days a week on-site. Preferred Qualifications: + Active Top Secret /SCI with Polygraph (highly desired). +… more
    The MITRE Corporation (01/13/26)
    - Related Jobs
  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    …a **Senior Malware Engineer** on the DISA GSM-O program in Alexandria, VA.An active Top Secret security clearance and demonstrated advanced technical ability ... (eg, Python, C, C++, Ruby) **Basic Qualifications:** + **Active Top Secret clearance or higher** (program can...Foundation or v4 + BA/BS degree in Computer Science, Information Assurance, or Information Systems more
    Leidos (10/31/25)
    - Related Jobs
  • Space Vehicle Systems Engineer

    KBR (Chantilly, VA)
    …scientific, or technical discipline and 12 years or more relevant experience. + Active Top Secret /SCI clearance with a Polygraph + Experience with space ... the country's most critical role - protecting our national security . KBR is looking for Space Vehicle Systems...Minimal + Working Hours: Standard Required Qualifications: + Active TS /SCI security clearance with current Polygraph +… more
    KBR (11/01/25)
    - Related Jobs
  • Modernization Systems Engineer - SE0

    Lockheed Martin (Hanover, MD)
    …are:** Are you driven by the thrill of outsmarting even the most advanced security systems and networks? Do you find satisfaction in crafting innovative ... offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SE0: *... engineering experience OR * A Bachelor's degree in Systems Engineer, Computer Science, Information Systems more
    Lockheed Martin (12/10/25)
    - Related Jobs
  • Specialist, Systems Engineering…

    L3Harris (Springfield, VA)
    …cyber domains in the interest of national security . Job Title: Specialist, Systems Engineering - Battlespace Awareness Operator (Active TS /SCI with CI Poly ... a Battlespace Awareness Operator to support a critical national security program within the Space Systems Sector...tools such as STK, GMAT, and/or ODTK. + Active Top Secret Clearance with CI Poly required.… more
    L3Harris (11/25/25)
    - Related Jobs