• Senior Systems Engineer

    Leidos (Gaithersburg, MD)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will lead systems engineering… more
    Leidos (10/11/25)
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  • Sr. UI/UX Front-End Development Engineer

    Leidos (Bethesda, MD)
    …communication skills and the ability to write well-documented code. + Must possess an Active Top Secret / SCI clearance and ability to obtain and maintain a ... an exciting opening. We are seeking a skilled Sr. UI/UX Front-End Engineer . You will develop high-quality web applications using a state-of-the-art technology stack… more
    Leidos (10/11/25)
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  • Mid-Level Systems Engineer

    Leidos (Gaithersburg, MD)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a highly skilled team, you… more
    Leidos (10/11/25)
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  • Systems Engineer SME

    Leidos (Gaithersburg, MD)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... Advantage Solutions Business Area, is currently seeking a highly experienced Systems Engineer Subject Matter Expert (SME) for the Chinook Program. As an engineering… more
    Leidos (10/11/25)
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  • Senior Information Systems Security…

    Leidos (Columbia, MD)
    …Level II certification (CISSP, CASP+ CE, or CSSLP) + **Clearance Requirement:** ** Top Secret / SCI with Polygraph is required** **Preferred Qualifications** ... **Description** **Leidos** has a new and exciting opportunity for a **Senior Information Systems Security Engineer (ISSE)** in our **National Security Sector's… more
    Leidos (10/10/25)
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  • Principal Linux Engineer

    Leidos (Columbia, MD)
    …Engineering, Computer Science, Information Systems, or related field **Clearance:** + Top Secret / SCI with Polygraph **Technical Skills:** + Proficiency ... **Leidos** has a new and exciting opportunity for a **Principal Linux Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (10/09/25)
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  • Mid-Level Software Engineer

    Leidos (Gaithersburg, MD)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The Chinook Program delivers secure, scalable,… more
    Leidos (10/05/25)
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  • Data Center Engineer (Infrastructure/Cloud)

    KBR (Fulton, MD)
    …Minimal 0-20% Travel + Working Hours: Standard 40 hour per week Qualifications : Required: + Clearance: Top Secret with SCI + 5 to 8 years with BS/BA or 3 ... Title: Data Center Engineer (Infrastructure/Cloud) Belong. Connect. Grow. with KBR! KBR's...infrastructure security-relevant actions, tests, and key performance indicators for Information Dashboard and Reporting + Design Service Catalog Items… more
    KBR (10/03/25)
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  • Cyber Operations Countermeasures Engineer

    Leidos (Odenton, MD)
    …Continuity of Operations (COOP). BASIC QUALIFICATIONS: + Must have an active and maintain a Top Secret / SCI clearance. + BS degree and 4 + years of ... a current job opportunity for a Cyber Operations Countermeasures Engineer on the DISA GSM-O II program supporting the...network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the Department… more
    Leidos (10/01/25)
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  • Software Engineer SME

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ207590 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... for solution implementation. + Prepare Configuration Plans, SW enhancement plans, engineer solutions to easily interface with GUI and/or web front-end interfaces.… more
    General Dynamics Information Technology (09/20/25)
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