• Firewall Engineer

    SAIC (Springfield, VA)
    …+ US Citizenship. + Active secret clearance with the ability to obtain top secret clearance. **Desired:** + Experience with Red Hat Linux/CentOS and Ubuntu ... **Description** This is a senior firewall position within the Vanguard 2025 Contract,...(R) Foundation certification. + Certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE), A10 Certification/Accreditation, ,… more
    SAIC (11/11/25)
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  • Sr. DevOps Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Sr. DevOps Engineer Location: Springfield, VA, US Job ID: ATR 17260 Job Description Title: Sr. DevOps Engineer Location: Springfield, VA Eligibility/Clearance: ... This position requires an active TS /SCI clearance Job Description: We are looking for highly...customer. As part of the GSS Team the DevOps Engineer 's expertise is needed to support a sophisticated enterprise… more
    Arena Technical Resources, LLC (10/06/25)
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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 (08/21/25)
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  • Sr. Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …cycle. + Experience writing software design documentation. **Preferred Qualifications:** + Active Top Secret / SCI security clearance with poly. + Experience ... work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer ** to join our team supporting a… more
    Northrop Grumman (10/21/25)
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  • Modeling and Simulation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Alexandria, VA)
    …verbal and written communication skills + Possession of excellent problem-solving skills + Top Secret clearance + Master's degree in a STEM field Clearance ... Modeling and Simulation Engineer The Opportunity: Are you looking for an...and quantitative analysis, including discrete event simulation, agent-based modeling, network simulations, physics-based modeling, Markov decision processes, Hidden Markov… more
    BOOZ, ALLEN & HAMILTON, INC. (10/21/25)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... the National Geospatial-Intelligence Agency's (NGA). Our team of talented Network and Cybersecurity professionals help design, develop, procure, implement,… more
    CACI International (11/14/25)
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  • Electronics Engineer IV (A)

    SimIS Inc. (Virginia Beach, VA)
    …systems and equipment + Motivated to independently achieve results + Active clearance ( SECRET / Top Secret preferred) Experience Desired: + A Master's degree ... The ideal candidate (will be expected to perform) represents a senior -level technical leadership role responsible for managing complex electronics engineering… more
    SimIS Inc. (09/11/25)
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  • Business Process Engineer , SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Business Process Engineer , SME** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, Virginia, Arlington ... Federal has an exciting opportunity for a Business Process Engineer within our Intel sector advancing the national security...of Education and an additional 2 years of related senior experience, for a total of 10 years, as… more
    CGI Technologies and Solutions, Inc. (09/11/25)
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  • AI/ML Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    AI/ML Engineer Location: Springfield, VA, US Job ID: ATR 17709 Job Description Job Title: AI/ML Engineer Location: Springfield, VA Eligibility: Candidate must ... possess an active TS /SCI clearance Job Description: In this role, you'll help...to complex operational challenges. As part of a broad network of ML engineers, you'll work closely with software… more
    Arena Technical Resources, LLC (11/18/25)
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  • Security Engineer , AWS Cross Domain…

    Amazon (Arlington, VA)
    Description AWS is seeking a Cross Domain Services Security Engineer to support our government customers in the Intelligence, Defense, and National Security ... that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the candidate to… more
    Amazon (10/31/25)
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