• Machine Learning Engineer - Senior

    SOS International LLC (Chantilly, VA)
    Chantilly, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret SCI w/ Poly **Company Description** Founded in 1989, SOSi is among the largest ... Description** **Overview** SOSi is seeking a skilled Machine Learning Engineer to support a US government customer in Chantilly,...job you will work with other talented data scientists, software developers, and SMEs to apply the best practices… more
    SOS International LLC (11/21/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    …+ Excellent organizational skills and attention to detail **Preferred Qualifications** + **Current Top Secret SCI security clearance and the ability to pass a ... **Description** **Mechanical Engineer - Mission-Critical Facilities Design** Leidos is seeking...years with a Master's + Ability to obtain a TS /SCI with Polygraph clearance + Working knowledge of static… more
    Leidos (12/24/25)
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  • Senior Electrical Engineer

    Parsons Corporation (Centreville, VA)
    …to collaborate effectively across departments. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for ... is seeking an exceptionally talented **Senior Data Center Electrical Engineer ** to join our team! In this critical role,...excel in this role, you will need: + **Active TS /SCI with Polygraph Clearance:** A must-have for this position.… more
    Parsons Corporation (12/19/25)
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  • Cloud Infrastructure Engineer , Networking,…

    Google (Reston, VA)
    …the time, as needed, for client engagements. + Active US Government Top Secret /Sensitive Compartmentalized Information ( TS /SCI) security clearance. ... Cloud Infrastructure Engineer , Networking, Google Public Sector _corporate_fare_ Google _place_...use of Google's global network, web-scale data centers, and software infrastructure. As part of an innovative team in… more
    Google (12/06/25)
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  • Specialist, Integration/Test Engineer

    L3Harris (Ashburn, VA)
    …In lieu of a degree, a minimum of 8 years of prior related experience. + Top Secret or TS /SCI Clearance. + 4+ years' experience Working knowledge of ... cyber domains in the interest of national security. Job Title: Specialist, Integration/Test Engineer Job Code: 31691 Job Location : Ashburn, VA Job Description :… more
    L3Harris (12/03/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Chantilly, VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current ... (Computer Science, etc.) - Experience writing detailed, technical documentation -8570 Compliance -Active TS /SCI + CI Poly - Ability to respond to after hours on call… more
    Arena Technical Resources, LLC (11/29/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …change control processes within the SCIF **Minimum Qualifications** + US citizenship and active US Top Secret ( TS ) clearance (must be maintained) + 5+ years ... vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling...strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management … more
    Zscaler (10/11/25)
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  • Network / Communications Engineer (Full…

    Parsons Corporation (Reston, VA)
    …with VSAT systems and training methodologies. **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... **Job Description:** Parsons is looking for an amazingly talented **Network / Communications Engineer ** to join our team! In this role you will get to research,… more
    Parsons Corporation (12/24/25)
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  • Project Engineer - Hardware

    In-Q-Tel, Inc. (Mclean, VA)
    …reasons, US Citizenship is required. + Ability to obtain and maintain a TS /SCI clearance. Candidates with active top - secret clearance preferred. + ... a broader view of technology across today's hardware and software stack. PEs regularly work with a range of...missions. It's ok if you consider yourself a system engineer or a product manager, but you should have… more
    In-Q-Tel, Inc. (11/25/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …In lieu of a degree, minimum of 6 years of prior related experience. + Active Top Secret /SCI with CI Poly clearance required. + At least one year of demonstrated ... cyber domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS /SCI w/CI Poly Required) Job Code:… more
    L3Harris (10/15/25)
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