• Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
    - Related Jobs
  • Cloud Support Engineer

    ManTech (Vienna, VA)
    …Workspace or Microsoft Office collaboration tools **Clearance Requirements:** + An active/current TS / SCI with Polygraph is required for this position. **Physical ... **MANTECH** seeks a skilled and mission-focused **Cloud Support Engineer (CSE)** to join our team in **Tysons, VA.** The Cloud Support Engineer will support… more
    ManTech (01/07/26)
    - Related Jobs
  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLY REQUIRED** **Education:** + 9+ ... for federal, local and commercial customers across high-growth markets. Responsibilities ** Information System Security Engineer Position Summary** In this… more
    M. C. Dean (11/28/25)
    - Related Jobs
  • Hardware Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: Hardware Engineer Location: Sterling, VA Clearance: TS / SCI Poly **This ... position is CONTINGENT upon contract award** The Hardware Engineer (HWE) collaboratively works closely with the Sponsor, OM, and PO Teams to identify, understand,… more
    Nightwing (12/26/25)
    - Related Jobs
  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump. **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph. **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
    - Related Jobs
  • IT Infrastructure Engineer

    SAIC (Chantilly, VA)
    …reports, design artifacts and program plans. **Qualifications** + Must possess an active TS / SCI clearance with Polygraph. + BS or MS degree in Engineering ... engineering & integration and more. This position is for an IT Infrastructure Engineer for a large contract supporting a cutting-edge and innovative space program.… more
    SAIC (11/14/25)
    - Related Jobs
  • SURTASS Operations & Maintenance (O&M) Technician…

    V2X (Reston, VA)
    …+ An active Department of Defense Secret level clearance is required. Top Secret clearance with SCI access is preferred. Desired Qualifications: ... A few of these programs include: + Fleet Systems Engineer Team (FSET) program located in key ports around...computer networks, including: + ISNS, CANES, ADNS, CENTRIXS, and/or SCI Navy systems (or equivalent type network ).… more
    V2X (11/13/25)
    - Related Jobs
  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    …Level II or III certification (eg, CISSP, CAP, Security+, CISM) required + Active TS / SCI clearance with the ability to obtain CI Polygraph **Knowledge, Skills, ... **Req ID:** 38797 **Summary** **Senior Software Engineer ** **Arlington, VA** Are you ready to enhance...Linux, and macOS. + In-depth understanding of networking requirements, network hardening, and networking systems such as routers, switches,… more
    Chenega Corporation (01/06/26)
    - Related Jobs
  • Cleared AWS and Active Directory Engineer

    Virtual Service Operations (VA)
    …to a government contract, this specific position requires US citizenship status. + Possess an Active TS SCI . + Must be able to work 50% onsite. What is Important ... Cleared AWS and Active Directory Engineer WFH Flexible * VA Description Are you...tasks. + Provide support for troubleshooting AD, Exchange, and network connectivity issues, ensuring minimal downtime. + Implement and… more
    Virtual Service Operations (01/04/26)
    - Related Jobs
  • Cyber Security Engineer IV

    SOS International LLC (Reston, VA)
    …active, in-scope DoD Secret clearance, with the ability to obtain a TS / SCI clearance. + One or more relevant certifications: Security+, CISSP, CASP+, CCSP, ... security missions worldwide. **Job Description** SOSi is seeking an experienced Cybersecurity Engineer to join our team at SOS International in Reston, VA. This… more
    SOS International LLC (12/31/25)
    - Related Jobs