• O&M Network Engineer 4 (Tech Specialist 4)

    M. C. Dean (Springfield, VA)
    …eligibility requirements, including US Citizenship, for access to classified information ; ** Top Secret with SCI eligibility required** **Position / ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (09/16/25)
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  • Systems Engineer - Scrum Master

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. We are actively seeking a dynamic and experienced Systems Engineer /Scrum Master to join our team, a group dedicated to ... of our medical application users are consistently met and exceeded. Key Responsibilities: ** TS / SCI with Polygraph Required Day 1** + **Team Leadership &… more
    Nightwing (09/27/25)
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  • Terrestrial COMSEC Network Engineer

    CACI International (Springfield, VA)
    …responsible for executing the communications security program, ensuring the protection of sensitive information transmitted network connected and point to point ... Terrestrial COMSEC Network Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (07/26/25)
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  • AI/ML Engineer

    KBR (Chantilly, VA)
    …help develop high-performance ML models. + Other duties as assigned Required Qualifications: + Active TS / SCI with current CI polygraph + Have at least 5 years of ... Title: AI/ML Engineer Belong. Connect. Grow. with KBR! KBR's National...and external leadership. Security Requirements: Must have an active TS - SCI with a current Polygraph Belong, Connect… more
    KBR (07/22/25)
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  • Software Engineer Intern (Spring / Fall…

    Leidos (Reston, VA)
    …resume when submitting your application.** + **Ability to obtain and maintain a** ** Top Secret / SCI with Polygraph** **Security clearance.** + **US ... Leidos has a job opening beginning in the Spring of 2027 for a Software Engineer Intern/Co-Op in Reston, VA. Work will consist of a wide range of project tasks… more
    Leidos (09/28/25)
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  • DARPA Advanced Technology Engineer

    IronMountain Solutions, Inc. (Arlington, VA)
    …to detail. + Active TOP SECRET clearance with eligibility for Sensitive Compartmentalized Information ( SCI ) and Special Access Programs (SAP). + ... 501164 DARPA Advanced Technology Engineer Work Location: Arlington, Virginia Schedule: Full Time...Experience: + Experience planning and executing complex engineering and systems analysis efforts for the DoD and/or IC. +… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Project Engineer SME

    Leidos (Alexandria, VA)
    …Denver, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI , as well as a Polygraph. **Primary ... Business Area, is currently seeking a highly experienced Project Engineer who will be responsible for engineering technical aspects...updates for ODC Plan CDRLs; ensure understanding of each system at a high-medium level to support PMR input… more
    Leidos (10/01/25)
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  • Network Operations Center (NOC) Engineer

    CACI International (Springfield, VA)
    Network Operations Center (NOC) Engineer (Tier 2) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... in their activities. + Clearly communicates, verbally and written **Qualifications:** + TS / SCI with Poly required + Bachelor's degree in Computer Science,… more
    CACI International (07/26/25)
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  • Cloud Engineer , Mid

    Intelligent Waves (Reston, VA)
    …team member **Location:** Reston, VA **Travel:** None **Clearance Requirement:** TS / SCI Intelligent Waves delivers mission-focused multi-domain operational ... by proactively identifying and resolving cloud infrastructure challenges. **Qualifications** + TS / SCI clearance Required (must have already) + DoD 8570… more
    Intelligent Waves (08/30/25)
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  • Splunk Engineer

    CACI International (Mclean, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... Document configurations, changes, and troubleshooting procedures. Qualifications: Required: * TS / SCI Clearance with Counterintelligence Polygraph * BA/BS degree… more
    CACI International (10/03/25)
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