• Network Timing Engineer

    CACI International (Denver, CO)
    Network Timing Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... on an ongoing basis. **Opportunity:** We are seeking an experienced Network Engineer to design, implement, and maintain a CAN/LAN environment hosting complex command… more
    CACI International (10/24/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …a government contract, this specific position requires US Citizenship, **ACTIVE TS/SCI w / Polygraph clearance is REQUIRED** **Education:** + Bachelor's degree in ... engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our **Security and Electronic Systems (SES)** business… more
    M. C. Dean (10/23/25)
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  • Specialist, Network Plan Engineer Secret…

    L3Harris (Broomfield, CO)
    …set with Microsoft Office software applications + TS/SCI security clearance w /CI Polygraph is highly desired. In compliance with pay transparency ... domains in the interest of national security. Job Title: Specialist, Network Plan Engineer Job Code: 31908 Job Location: Boulder/North Denver, CO Job Schedule: 9/80… more
    L3Harris (12/12/25)
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  • Modernization Systems Engineer - SE0

    Lockheed Martin (Hanover, MD)
    …\#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SE0: * A High School Diploma or GED plus eight \(8\) ... systems engineering experience OR * A Bachelor's degree in Systems Engineer , Computer Science, Information Systems, Engineering Science, Engineering Management, or… more
    Lockheed Martin (12/10/25)
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  • Cloud Engineer

    ManTech (Chantilly, VA)
    …a hybrid cloud environment. **Clearance Requirements:** + Must have a current/active TS/SCI w / Polygraph . **Physical Requirements:** + Must be able to remain in a ... **MANTECH** seeks a motivated, career and customer-oriented **Cloud Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not limited… more
    ManTech (12/03/25)
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  • Senior Network Engineer

    ManTech (Chantilly, VA)
    …ensure network performance. **Clearance Requirements:** + Must have a current/active TS/SCI w / Polygraph . **Physical Requirements:** + Must be able to remain in ... **MANTECH** seeks a motivated, career and customer-oriented **Senior** **Network Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are… more
    ManTech (12/03/25)
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  • Systems Engineer 5

    Synergy ECP (Columbia, MD)
    …disability, veteran status, or any other protected class. Clearance Required: TS/SCI w / FS Polygraph Other Requirements: US Citizenship Description: Assists ... Systems Engineer 5 Columbia, MD Description Founded in 2007...Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the… more
    Synergy ECP (10/15/25)
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  • Systems Engineer 6

    Synergy ECP (Columbia, MD)
    …disability, veteran status, or any other protected class. Clearance Required: TS/SCI w /Full Scope Polygraph Other Requirements: US Citizenship Provide systems ... Systems Engineer 6 Columbia, MD Description Founded in 2007...Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the… more
    Synergy ECP (10/15/25)
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  • Active Directory Systems Engineer

    COMSO, Inc (Annapolis Junction, MD)
    … Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA+20701) Description **TS/SCI w / POLYGRAPH REQUIRED BEFORE CONSIDERATION.** + ... Advanced analytical and creative problem solving skills for creation and testing of software systems and maintenance of same + Ability to work with little… more
    COMSO, Inc (12/26/25)
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  • Systems Engineer - Senior

    Parsons Corporation (Centreville, VA)
    …assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w / Polygraph security clearance is required for this position.​ This ... Description:** Our Special Programs and Systems team is hiring a Senior Systems Engineer with a passion for mission excellence in our High Consequence Missions… more
    Parsons Corporation (12/06/25)
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