• Staff Software Engineer - Java, AWS, TCS…

    Zscaler (Mclean, VA)
    …DynamoDB, and messaging systems like Kafka or SQS + US citizenship with active US Top Secret / SCI security clearance **What Will Make You Stand Out (Preferred ... efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and...join our IT Cloud Engineering team. **This role requires Top Secret Security Clearance, which must be… more
    Zscaler (11/04/25)
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  • Machine Learning Engineer

    William C Brown Inc (Springfield, VA)
    …you will help ensure today is safe and tomorrow is smarter. Our work depends on TS / SCI cleared Machine Learning Engineer joining our team to support our ... Machine Learning Engineer EOE Statement We are an equal employment...full-motion video (FMV), ground photos, and OpenStreetMap. Position Requirements TS / SCI Clearance. Education: Bachelor or Master' Degree… more
    William C Brown Inc (09/16/25)
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  • Systems Administrator II Generalist Sr (Windows…

    V2X (Springfield, VA)
    …Springfield, VA . The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... Systems Administrator II Generalist - Windows Server - active TS / SCI clearance to support our government customer...The position requires US Citizenship and an active DoD Top Secret with SCI clearance… more
    V2X (11/15/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …Required (education/experience/skills/competencies): + Candidate must be a US Citizen with an active TOP SECRET clearance Preferred: + 5-7 years in a Security ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...threats and issue posture and assessment reports This Lead Information Security Engineer position operates in a… more
    Lumen (11/14/25)
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  • Solution Train Engineer

    SAIC (Chantilly, VA)
    …or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret / SCI clearance with Polygraph. + Proven experience with Agile ... **Description** SAIC is seeking a **Solution Train Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (11/06/25)
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  • Sr Engineer - Federal

    Lumen (Herndon, VA)
    …division multiplexing + **Candidate must be a US Citizen with an active TOP SECRET / SCI Level clearance** Preferred Qualifications + Bachelor's degree ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...world and shape the future. **The Role** The Senior Engineer will participate in multiple team environments and provide… more
    Lumen (10/28/25)
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  • Integration Engineer

    TRIAEM, LLC (VA)
    …Systems Modeler tool to develop Architecture artifacts such as System and Service views. + TS / SCI clearance adjudication or ability to obtain SCI and pass a ... Integration Engineer As a key member of our Systems...communication skills, verbally and written; detail-oriented Location: + Chantilly VA or Springfield, VA Clearance: TS / SCI is… more
    TRIAEM, LLC (10/09/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    …cyber discipline. **Clearance Requirements:** + Must have a current/active Top Secret clearance with eligibility to obtain SCI . + Selected candidate may ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to...which may involve delivering presentations. Must be able to exchange accurate information in these situations. MANTECH… more
    ManTech (11/12/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …stakeholders. + Plan and assess Agile Solution Demos Qualifications & Physical Requirements + Active Top Secret / SCI with Poly + Bachelor's and nine (9) years ... ensuring you receive the utmost employee care. Responsibilities As a GEOINT Systems Engineer , will be performing the following functions as a Systems Engineering and… more
    Sciolex Corporation (10/09/25)
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  • High Speed Guard Engineer

    CACI International (Springfield, VA)
    High Speed Guard Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... ** Engineer , design, and implement HSG rulesets.** **Qualifications:** **_Required:_** **Active TS / SCI Clearance with the ability to successfully pass and… more
    CACI International (09/01/25)
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