• Software Engineer II

    Sierra Nevada Company, LLC (Herndon, VA)
    …WI. Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and ... very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Cyber Security Operations Specialist III…

    CACI International (Springfield, VA)
    …Type of Travel: Local * * * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident response. This ... Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type:...Incident Management System (JIMS), Incident Case Management System (ICMS), and other authorized reporting systems .… more
    CACI International (08/23/25)
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  • CAN/LAN Network Tier 3

    CACI International (Sterling, VA)
    CAN/LAN Network Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Local * * * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting and maintenance of IT networks.… more
    CACI International (07/26/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a **Sr. Systems Engineer ** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS ... partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and...product owners across multiple sprint teams and working other engineers to troubleshooting problems for multiple systems … more
    Leidos (09/23/25)
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  • Cyber Security Engineer

    System One (Springfield, VA)
    …reports in: + Joint Incident Management System (JIMS) + Incident Case Management System (ICMS) + Other authorized systems as directed + Develop and execute ... Job Title: Cyber Security Engineer Location: Springfield, VA Type: Contract To Hire...Log detailed actions and analysis in the authorized ticketing system to enable full reconstruction of events More About… more
    System One (08/03/25)
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  • NMCC Information Systems Security…

    TekSynap (Arlington, VA)
    …into systems deployed to operational environments, validating and verifying system security requirements, and establishing system security designs for ... best practices. + Demonstrated capability to identify security risks throughout information system network structures to include the Operating Systems , hardware,… more
    TekSynap (09/16/25)
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  • Critical Environments Operator II

    CyrusOne (Sterling, VA)
    …alarms, troubleshoot systems through graphic user interfaces on equipment and systems , and understand system operations adequately to be able stabilize ... reliability of the critical load. Also provides operational support for building systems of other facilities as assigned. Responsible for carrying out maintenance… more
    CyrusOne (07/25/25)
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  • Senior Systems Engineer

    ManTech (Chantilly, VA)
    …and proficiency with systems engineering concepts, principles and theories and system modeling tools. + Ability to perform Tier 3 operational maintenance ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Engineer ** to join our team...on audit systems to include: system engineering, system administration, database management, backup… more
    ManTech (09/30/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …via SOPs. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer , including task automation. + Three (3) ... Linux, and Solaris UNIX servers. + Monitor and tune system performance to ensure optimal operations across a mixed...waived for 30 days post-start. **Clearance** + Secret - IT- II Non-Critical Sensitive clearance or Tier 3… more
    TekSynap (07/26/25)
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  • Junior Systems Engineer _ (Langley…

    Serco (Langley AFB, VA)
    **Position Description** Serco is seeking a ** Systems Engineer ** to support the Combat Air Force (CAF) Distributed Training Center (DTC) at **Langley Air Force ... identifying configuration, networking, or CAF DMO standards issues. The Systems Engineer must be able to analyze,...Tier 1 access. + Meet DoD 8570 IAT II certification requirements (eg CompTIA Security+ CE). + Familiarity… more
    Serco (09/09/25)
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