• Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …for managing Windows and Azure server environments **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... system performance, installing system wide software and allocating mass storage space. + Interacts with users and evaluates vendor...with typically 0+ years of experience. + Must possess TS / SCI Clearance with CI Poly. **What Desired… more
    Parsons Corporation (11/15/25)
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  • Sr. Specialist Systems Engineering

    L3Harris (Greenville, TX)
    …Job Location: Greenville, TX Schedule: 9/80 Security Clearance: Must Have an Active DoD Top Secret / SCI to be Considered Job Description: Will be involved ... integrating, and managing ground ISR systems, networks, and system storage devices. Will be a part of a talented...have the ability to obtain and maintain a DoD TS / SCI security clearance which requires US citizenship… more
    L3Harris (11/12/25)
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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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  • Oracle Database Engineer

    ManTech (Fort Meade, MD)
    …you will provide technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis. ... in on-premise and/or cloud environment **Security Clearance Requirements:** + Current/Active TS / SCI with Polygraph **Physical Requirements:** + Must be able… more
    ManTech (12/02/25)
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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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  • DevSecOps Engineer

    BOOZ, ALLEN & HAMILTON, INC. (San Diego, CA)
    …to Operate (ATO) + Experience with Overmatch Software Armory (OSA) tools + TS / SCI clearance Clearance: Applicants selected will be subject to a security ... DevSecOps Engineer The Opportunity: Are you looking for an...need to meet eligibility requirements for access to classified information ; Secret clearance is required. Compensation At… more
    BOOZ, ALLEN & HAMILTON, INC. (01/09/26)
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  • Database Engineer (MongoDB)

    Themis Insight (Linthicum Heights, MD)
    …is subject to change based on central MD client's needs. Required: TS / SCI with a Polygraph The Database Engineer will provide technical expertise for ... expertise to every case. We are hiring a Database Engineer 2 (MongoDB) to work in Linthicum Heights, MD....database design, development, implementation, information storage and retrieval, data flow and… more
    Themis Insight (01/08/26)
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  • DevSecOps Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... platforms collect, process, and fuse massive data streams to provide mission‑critical information to warfighters\. To keep these systems agile and secure, we need… more
    Lockheed Martin (01/07/26)
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  • Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Network Engineer Location: Springfield, VA Eligibility: Candidate must possess an active TS / SCI clearance and be willing to obtain a CI Polygraph Job ... Network Engineer Location: Springfield, VA, US Job ID: ATR...knowledge of a broad range of technology towers ie: Storage , Virtualization, Intel, Networking, Data Center Migration and Disaster… more
    Arena Technical Resources, LLC (01/05/26)
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