• Principal Platform Engineer / Linux…

    RTX Corporation (Springfield, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... more secure world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise to join… more
    RTX Corporation (08/08/25)
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  • Field Engineer

    ManTech (Reston, VA)
    …complex systems deployed worldwide **Clearance Requirements:** + Must have an active/current Top Secret security clearance. **Physical Requirements:** + Must be ... **ManTech** seeks a motivated, career and customer-oriented **Field Engineer ** to join our team in **Reston, VA**...maintain, and recap existing systems, including all system and network infrastructure and peripherals and working with network more
    ManTech (06/11/25)
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  • Senior SW Engineer

    Leidos (Chantilly, VA)
    …+ Knowledge/experience with the development of Cloudformation scripts to generate network and application infrastructure in a repeatable fashion + Ability to ... Amazon Web Services + Experience creating RESTful API Required Qualifications + Active TS /SCI with Polygraph + BS degree and 112+ years of relevant experience.… more
    Leidos (07/26/25)
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  • Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …for winning proposals + Must and retain be able to obtain US Government Top Secret Security Clearance Preferred Additional Skills: + Previous experience leading ... cyber domains in the interest of national security. Job Title: Scientist, Systems Engineer Job Code: 24091 Job Location: Herndon, VA Job Schedule: 9/80 Job… more
    L3Harris (05/22/25)
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  • Electrical Engineer - SME

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. **Nightwing is seeking a senior engineer to serve as Electrical Engineer SME (EET) at ... across multiple projects, adapt to rapidly changing circumstances, effectively network , and communicate at all levels of the organization...Requirement:** Must be a US Citizen with an active ** Top Secret ** and be crossover eligible. **Required… more
    Nightwing (08/09/25)
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  • Telecommunications Field Engineer

    CACI International (Herndon, VA)
    …has an immediate opportunity for a senior level **Telecommunications Field Engineer ** with a TS /SCI Poly clearance. **Responsibilities:** + Field Engineers ... Telecommunications Field Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (08/09/25)
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  • Systems Engineer

    Huntington Ingalls Industries (Springfield, VA)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $116,329.00 - $145,000.00 Security Clearance: TS /SCI Level of Experience: Senior This opportunity resides ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (07/25/25)
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  • Systems Engineer (Windows)

    CACI International (Herndon, VA)
    …Immediate response may be required to restore or maintain system functionality. Systems Engineer must possess Local Area Network (LAN) skills; ability to build ... Systems Engineer (Windows) Job Category: Engineering Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (08/02/25)
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  • Chief Engineer

    Huntington Ingalls Industries (Fairfax, VA)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $142,262.00 - $200,000.00 Security Clearance: TS /SCI Level of Experience: Senior This opportunity resides ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (07/30/25)
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  • Cybersecurity Engineer

    Serco (Arlington, VA)
    …+ Secret Security Clearance required at time of hire with eligibility for Top Secret + At least one professional certification (eg Security+, etc.) required. ... position is contingent upon client approval and your ability to maintain/transfer your Secret clearance.** **In this role, you will:** + Draft, review, and analyze… more
    Serco (07/12/25)
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