• Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer /Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle development and… more
    CACI International (09/26/25)
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  • Sr. AWS Engineer

    World Wide Technology (San Antonio, TX)
    …maintain documentation as required + Other duties as assigned **Requirements:** + Interim Secret Clearance required prior to start, TS /SCI preferred + will ... The selected candidate will help lead the design, develop, engineer , and document the new Amazon Web Services (AWS)...this new platform. **Responsibilities:** + Work as the senior staff member to design, build, and deploy a secure… more
    World Wide Technology (11/22/25)
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  • Senior Cybersecurity Engineer and SME

    Applied Research Solutions (Dayton, OH)
    …Research Solutions is seeking an energetic and experienced full-time Strategic Cyber Security Engineer and Subject Matter Expert to support our customer at the Air ... Force Research Laboratory located at Wright-Patterson AFB. The Cyber Security Engineer will be supporting a cutting-edge program in the development of cyber security… more
    Applied Research Solutions (12/11/25)
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  • Test Engineer SME

    Leidos (Bethesda, MD)
    …with developing and executing automated testing scripts as part of a tailored SAFe Agile DevSecOps pipeline. As a Test Engineer on this program, you will have ... has a new and exciting opportunity for a **Test Engineer ** ( **SME** ) in our **National Security Sector's...may be substituted in lieu of a degree. + ** TS /SCI with a polygraph is required for consideration.** **Preferred… more
    Leidos (11/07/25)
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  • Transport Field Regional Lead

    Leidos (Washington, DC)
    …customer mission support requirements + Customer service experience **Preferred Qualifications** + Top Secret Security Clearance + Master's degree from an ... + Responsible for the day-to-day management of the Transport Field/Base Network Engineer (FBNE) staff assigned to include Incident Management, O&M, and… more
    Leidos (12/12/25)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National Security Sector's (NSS) Cyber & Analytics Business ... information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding of technology and utilization of… more
    Leidos (11/28/25)
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  • Principal Elasticsearch Systems Engineer

    Leidos (Bethesda, MD)
    …has a new and exciting opportunity for a **Principal** **Elasticsearch Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team in...role provides support across an Agile team in a DevSecOps environment. This role will provide support for a… more
    Leidos (10/30/25)
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  • Integration Engineer SPM (SME)

    Leidos (Bethesda, MD)
    …**Job Description** This role requires an experienced Development Team Lead and Systems Engineer to perform as a Scrum Team Project Manager (SPM) in the IC ... and development of implementation timelines based on a tailored SAFe Agile DevSecOps environment. This role works with internal systems engineers to ensure customer… more
    Leidos (11/07/25)
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  • Full Stack Software Engineer SME

    Leidos (Chantilly, VA)
    …Area, is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert (SME) for the Maru Program. In this role, you ... MD + Alexandria, VA + Chantilly, VA **Clearance Level Required:** Active TS /SCI and successfully pass a Polygraph exam. **Primary Responsibilities:** + **Architect… more
    Leidos (11/01/25)
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  • Cloud Engineer - SME

    TRIAEM, LLC (Springfield, VA)
    Cloud Subject Matter Expert . Assist the PEO Management staff , Program Managers and Team members as a subject matter expert on cloud engineering, architecture and ... to NGA. . In coordination with the AGENCY PEO Engineering Management staff , assist AGENCY PEO Program Managers with cloud architecture planning per program.… more
    TRIAEM, LLC (10/20/25)
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