• Senior. Platform Engineer - Linux (FEP) Onsite

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... requirements. The **Senior Platform Linux (FEP) Engineer** will support design , development, and implementation of traditional computer/ network /storage systems… more
    RTX Corporation (12/02/25)
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  • Senior Systems Engineer

    Trace Systems Inc (WA)
    …Qualifications + Active, in‑scope US Government issued Secret clearance is required ( Top Secret / SCI clearance must be obtained and maintained for this ... and train supporting staff to deliver product evaluation, infrastructure design , systems integration, security/ information assurance and management throughout… more
    Trace Systems Inc (10/30/25)
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  • Senior Network Engineer

    CACI International (Columbia, MD)
    Senior Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... None * * * **Position Overview:** As a Senior Network Engineer, you will play a crucial role in...ability to mentor junior team members. **Key Responsibilities:** + Design , develop, and maintain complex software applications. + Collaborate… more
    CACI International (11/25/25)
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  • Senior RF/Electrical Engineer (Vaxcom)

    Parsons Corporation (Chantilly, VA)
    …considerations.** **Experience in foreign field operations.** **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... testing, and maintenance of existing systems, new technology, and system design in domestic and overseas environments.** **Ensuring effective use of fiber… more
    Parsons Corporation (11/26/25)
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  • Kubernetes Engineer

    Leidos (Colorado Springs, CO)
    …accepted in lieu of degree. + US Citizen and Possession of a current Active DoD Top Secret Clearance with SCI eligibility. + Minimum 8 years of professional ... Engineering (SRE) related metrics. + Manage the north-south and east-west network traffic to ensure all container-based critical services are maintained. +… more
    Leidos (11/21/25)
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  • Lead, Software Engineer

    L3Harris (Greenville, TX)
    …such as Bash and Python. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Experience in Design Patterns and Frameworks. + ... Mentor and provide technical guidance to junior engineers. Qualifications: + Active US Secret clearance. + Bachelor's Degree and minimum 9 years of prior relevant… more
    L3Harris (11/05/25)
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  • Lead, Systems Engineering

    L3Harris (Clifton, NJ)
    …+ Cloud Processing and Network EW Applications + Experience with Electronic System Design and leading Preferred Additional Skills: + TS / SCI or the ... Network EW Applications + Experience with Electronic System Design and leading the HW/SW/FW development efforts for EW...ability to obtain a TS / SCI clearance + Competency making decisions with imperfect and… more
    L3Harris (10/22/25)
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  • CNO Developer

    Nightwing (Fort Meade, MD)
    …mission to design , develop, test, and maintain CNO capabilities. **Security Clearance** Top Secret / SCI + CI Poly **Required Experience:** + 5-7 years ... as custom toolsets. In addition, the candidate is responsible for end-to-end design , development, and standard developer testing of the developed software. The… more
    Nightwing (12/12/25)
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  • Tech Instructor

    BAE Systems (Nashua, NH)
    …and staffing estimations supporting technical proposal activities + Ability to obtain a TOP SECRET / SCI security clearance + 10 years experience using ... an experienced Technical Trainer to support advanced electronic systems design /development and long-term production/sustainment program. The perfect candidate will… more
    BAE Systems (12/10/25)
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  • Software Engineer

    ManTech (Norfolk, VA)
    …+ Active Secret Security Clearance with the ability to obtain and maintain Top Secret / SCI security clearance **Physical Requirements:** + Must be able ... Development Lifecycle (SDLC), software systems theory and engineering principles, network and systems design and implementation, virtualization, and cloud… more
    ManTech (11/29/25)
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