• AV Field Engineer 3

    M. C. Dean (Vienna, VA)
    …and must meet eligibility requirements, including US Citizenship, for access to classified information ; **Applicants MUST hold an ACTIVE SECRET Clearance or be ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...Applicants MUST also have the ability to obtain a TS / SCI Clearance** **Position / Candidate Requirements** +… more
    M. C. Dean (10/30/25)
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  • Unified Communications Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Location: Springfield, VA (also St. Louis, MO) Eligibility: Candidates must possess an active TS / SCI and be willing to obtain a CI Poly Job Description: ... Unified Communications Engineer Location: Springfield, VA, US Job ID: ATR...to make rational and objective judgments based on facts, information , and company procedures. - Support Tier 2 and… more
    Arena Technical Resources, LLC (10/29/25)
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  • Cyber Integration Engineer

    Leidos (VA)
    …Stack). + Strong organizational, written, and oral communication skills. + Active and current TS / SCI clearance. Come break things (in a good way). Then build ... Leidos has an opening for a highly qualified and cleared **Cyber Integration Engineer ** for the Multi-Domain Solutions Division. This is an exciting opportunity to… more
    Leidos (01/07/26)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    …objects, isolation, andmicro-segmentation **Clearance Requirements:** + Must have an active DoD TS / SCI with the ability to obtain a polygraph. **Physical ... **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and… more
    ManTech (12/17/25)
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  • IT Systems Engineer

    ManTech (Chantilly, VA)
    …ability to travel domestically. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to remain ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not… more
    ManTech (11/19/25)
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  • Lead IT Systems Engineer

    ManTech (Chantilly, VA)
    …and accreditation procedures. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to ... ManTech seeks a motivated, career and customer-oriented **Lead IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not… more
    ManTech (11/16/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    …Ensure Compliance standards Required Clearance and Certifications: + Must have an active DoD TS / SCI clearance + Must have DoD 8570 IAT II or higher certification ... **Description** As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in… more
    Leidos (11/15/25)
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  • Product Management Engineer

    ManTech (Herndon, VA)
    Network +, and/or Cisco CCNA **Clearance Requirements** + Must have a current/active TS / SCI with Polygraph. **Physical Requirements** + Must be able to remain ... **MANTECH** seeks a motivated, career- and customer-oriented **Product Management Engineer ** to join our team in **Herndon, VA** . In this role, you will support a… more
    ManTech (01/09/26)
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  • Principal Infrastructure Engineer

    Nightwing (Sterling, VA)
    …environment that focuses on customer support. + **Must have an existing** ** TS / SCI ** **security** **with poly clearance.** + Experience including installation of ... markets. Nightwing is seeking a Principal Integration and Test Engineer to serve in a key role within a...classified systems. They will be responsible for implementing compute, network , and storage deployments that comply with customer security… more
    Nightwing (01/09/26)
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  • Software Engineer

    Acclaim Technical Services (Reston, VA)
    …among DC area firms and continues to grow. We are actively hiring a Software Engineer with TS / SCI clearance and polygraph supporting a new contract recently ... and operating systems. They ensure software standards compliance. They support network integration issues and maximizing system performance to include diagnostics… more
    Acclaim Technical Services (11/18/25)
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