• Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …issues impacting the enterprise environment. Responsibilities include: + Manages the ' system of systems ' architecture development, partitioning of functionality ... best practices and cutting technology. + Manages team responsible for systems engineering, security engineering, and workstation and server vulnerability… more
    Saliense Consulting (12/30/25)
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  • Systems Engineer (Journeyman, Full…

    Parsons Corporation (Chantilly, VA)
    …. **What Required Skills You'll Bring All Levels:** + Active Top Secret/SCI security clearance + Strong knowledge of systems engineering principles and ... **Job Description:** Parsons is looking for an amazingly talented ** Systems Engineers** to join our team! In this role,...Contribute to the development of innovative solutions to improve system performance and reliability. + Perform system more
    Parsons Corporation (12/23/25)
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  • Aegis Systems Engineer

    Parsons Corporation (Dahlgren, VA)
    …Responsibilities:** Depending on role and assignment, responsibilities may include: ** Systems Engineering** + Support system -level design, performance analysis, ... with **Missile Defense Agency (MDA)** programs or US Navy Aegis Weapon System development + Proficient in systems engineering disciplines: requirements… more
    Parsons Corporation (12/09/25)
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  • In-Place Monitoring System Lead

    ManTech (Springfield, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **In-Place Monitoring System ** **Lead** to join our team in **Springfield, VA.** **Responsibilities ... annual operations and maintenance tasks. This includes identifying and troubleshooting system malfunctions, and reporting findings and status to customers. + Resolve… more
    ManTech (12/10/25)
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  • System Engineer Principal Pentagon J2&J8…

    Sciolex Corporation (Chantilly, VA)
    …that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance. From our ... (MID). Sciolex Corporation is seeking to fill an opening for a Systems Engineering and Technical Assistance (SETA) Pentagon (J2/J8) Outreach Representative. The… more
    Sciolex Corporation (10/21/25)
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  • Secret Cleared System Administrator

    Insight Global (Arlington, VA)
    Job Description The Infrastructure & Systems Administrator is responsible for maintaining, securing, and optimizing the organization's Microsoft 365 and on-premises ... business objectives. The ideal candidate will bring strong technical expertise, a security -first mindset, and the ability to automate, improve, and modernize … more
    Insight Global (12/23/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, SCIF ... Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs, and...be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for… more
    Arena Technical Resources, LLC (01/01/26)
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  • Senior Systems Administrator (Unix/Linux)

    TekSynap (Dahlgren, VA)
    …in Unix and/or Linux system administration of networks and software systems , including system backup and recovery; security management and library ... Level III certification requirements. + Strong experience with TCP/IP, network security tools (eg, firewalls, vulnerability scanners), system performance tuning,… more
    TekSynap (10/31/25)
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  • Chief Engineer (Integrated Broadcast System

    CACI International (Fort Belvoir, VA)
    Chief Engineer (Integrated Broadcast System Network Expansion) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... Travel: Continental US * * * **The Opportunity:** As the Integrated Broadcast System (IBS) Network Expansion Chief Engineer you will have the opportunity to design,… more
    CACI International (11/08/25)
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  • Full-Stack AWS Developer

    System One (Mclean, VA)
    …and hands-on engineering/full-stack development of scalable and secure distributed systems using modern software technologies and programming, Cloud Native and ... migrations including rehost (lift & shift), re-platform, and re-architect/re-factor on-premises systems /applications and datasets into a mix of multi and hybrid… more
    System One (12/26/25)
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