• System Administrator 4

    M. C. Dean (Fort Belvoir, VA)
    …meet eligibility requirements, including US Citizenship, for access to classified information; **ACTIVE TOP SECRET Clearance with the ability to obtain a TS ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (07/15/25)
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  • System Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    System Administrator, Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. ... MS Windows network environment. You'll analyze and test new software and software version upgrades in test...5+ years of experience as a systems administrator, network engineer , or cybersecurity engineer + Experience with… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • Machine Learning Engineer Principal

    SAIC (Chantilly, VA)
    …SAIC invites applications from exceptional candidates for the position of Machine Learning Engineer in our AI Innovation Factory. **This** **is a hybrid job located ... to 75% annual travel is required.** Responsibilities + Assist senior team members to seamlessly integrate machine learning innovations...Qualifications:** + **Must be a US Citizen with a TS /SCI with polygraph clearance** + A Bachelor's degree in… more
    SAIC (07/24/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (07/11/25)
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  • Junior Mechanical Engineer

    Leidos (Springfield, VA)
    …Solutions ( **MDS** ) division at Leidos is seeking a Junior Mechanical Engineer who will support the planning, design, and analysis of mechanical systems-primarily ... government, commercial, and institutional facilities. Working under the guidance of senior engineers, this role involves assisting with system layout, equipment… more
    Leidos (05/29/25)
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  • Satellite Systems Engineer I-Level

    SAIC (Chantilly, VA)
    **Description** SAIC has an exciting opportunity for a Systems Engineer with 5 to 7 years of systems engineering experience to provide Data Management and Design ... significant supervision. + Ability to communicate and coordinate information to senior leadership and various stakeholders. + Strong organizational and leadership… more
    SAIC (05/04/25)
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  • Specialist, Systems Engineering - Battlespace…

    L3Harris (Springfield, VA)
    …years' experience with astrodynamics tools such as STK, GMAT, and/or ODTK. + Active Top Secret Clearance with CI Poly required. Preferred Additional Skills: + ... cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer -Battle Space Awareness Operator (Active TS /SCI with CI Poly… more
    L3Harris (07/18/25)
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  • Senior Physicist

    Applied Research Associates, Inc. (Reston, VA)
    …Associates, Inc. (ARA)) has an outstanding opportunity for an exceptional ** Senior Physics** to support on-going research and development efforts and develop ... for study the scientific world? Join us as a Senior Physicist and become a key player in characterizing...of new tools and methodologies to understand and reverse engineer processes and support systems at remote WMD-related facilities… more
    Applied Research Associates, Inc. (07/22/25)
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  • Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …and complex obstacles! Cambridge International Systems, Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. Qualified ... candidates for this job must possess a current DoD TS /SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of multi-user… more
    Cambridge International Systems Inc (06/10/25)
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  • Data Governance Engineer

    SAIC (Mclean, VA)
    …delivering mission excellence on programs of national importance. SAIC is seeking a Senior Data Governance Engineer to support a fast-paced, dynamic environment ... improvements to achieve the customer's vision. **Qualifications** **Required:** + Active TS /SCI with CI Polygraph is required. + Bachelor's and fourteen (14)… more
    SAIC (07/11/25)
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