• Network Engineer III

    William C Brown Inc (Springfield, VA)
    Network Engineer III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment ... any other characteristic protected by law. Description WCBinc is looking for a Network Engineer to provide support for LAN/WAN by developing network support… more
    William C Brown Inc (12/01/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, driving the evolution… more
    CACI International (10/07/25)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a ** Network Engineer III ,** you will provide expert leadership in designing, implementing, and managing sophisticated network systems ... emphasis on Top Secret classification enclaves. You will architect secure network infrastructures that meet the highest security standards while enabling… more
    Noblis (12/23/25)
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  • Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    **Description** The Digital Modernization Sector at Leidos is seeking a Tier III O&M Network Engineer to support the customer's various wide area networks ... subject matter experts in routing technologies across multiple vendors. The job duties of Tier III O&M Network Engineer are as follows: + Tier III O&M of… more
    Leidos (12/02/25)
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  • Cses III - Firewall Engineer

    CACI International (Springfield, VA)
    CSES III - Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... an exciting and challenging opportunity available for a CSES III - Firewall Engineer supporting an Intelligence...the overall health and strong security posture of complex network architectures. The Firewall Engineer will be… more
    CACI International (12/18/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a **Systems Engineer III ** you will provide leadership in planning, designing, and implementing sophisticated additions and changes to ... network hardware, infrastructure server environments, and operating systems with...and lead implementation of enterprise-grade additions and changes to network hardware, infrastructure server environments, and operating systems. +… more
    Noblis (12/22/25)
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  • DevOps Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a **DevOps Engineer III ** , you will be responsible for the design, deployment, testing, certification, operations, patching, and addressing ... implementation and optimization + GitLab or similar version control systems + Network architecture and security in classified environments + Hybrid cloud and… more
    Noblis (12/20/25)
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  • Engineer III , Digital Forensics…

    PenFed Credit Union (Mclean, VA)
    Overview PenFed is hiring a (Hybrid) Engineer III , Digital Forensics & Incident Response at our Tysons, Virginia; San Antonio, Texas; Irving, Texas or Omaha, ... to all security incidents that are detected by PenFed's enterprise network . This role combines leadership, technical expertise, and strategic thinking.… more
    PenFed Credit Union (12/05/25)
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  • Traveling Commissioning Engineer III

    Quality Technology Services, LLC (Manassas, VA)
    The **Electrical Commissioning Engineer L3** is responsible for but not limited to Level 3, 4 and 5 commissioning of base building systems and components of a Data ... but are not limited to testing and/or validation of connectivity, network infrastructure, security, life safety, other building subsystems and finishes,… more
    Quality Technology Services, LLC (11/27/25)
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  • Traveling Commissioning Engineer III

    Quality Technology Services, LLC (Manassas, VA)
    The **Mechanical Commissioning Engineer L3** is responsible for but not limited to Level 3, 4 and 5 commissioning of base building systems and components of a Data ... in areas of building maintenance, CCTV and Access control systems, network , telecommunications, and/or fire detection/suppression systems. + Ability to travel to… more
    Quality Technology Services, LLC (12/03/25)
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  • Cyber Security Operations Specialist III

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident...+ Perform digital media analysis on host, server, and network data. + Develop and identify indicators of compromise… more
    CACI International (11/21/25)
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  • Cyber Network Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …Cyber Network Security Engineer must have: + 10+ years, IT network engineering support experience (Tier II, Tier III , network infrastructure ... years of related experience **US Citizenship Required:** Yes **Job Description:** **Cyber Network Security Engineer ** Advance your career while impacting our… more
    General Dynamics Information Technology (12/04/25)
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  • Senior Network Engineer

    General Dynamics Information Technology (Springfield, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Network Engineer to help support our Defense Logistics Agency (DLA ... GDIT office once a week or based on mission need.** **As a Senior Network Engineer , you will support network engineering design and implementation… more
    General Dynamics Information Technology (12/14/25)
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  • Network Engineer

    Jacobs (Chantilly, VA)
    Knackworks, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network /Local Area Network (CAN/LAN)) to support our government ... network architecture. The job duties of the Network Engineer (CAN/LAN) are as follows: *...(IAT) Level 2 (Security+ CE) * Experience specific to network engineering to include Tier III or… more
    Jacobs (12/12/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …a modern service provider network architecture. **The job duties of the Network Engineer (CAN/LAN) are as follows:** + Interpret customer requirements and ... Modernization Sector at Leidos** **has an opening for a** ** Network ** ** Engineer (Campus Area Network /Local...Assurance Technical (IAT) Level 2. + Experience specific to network engineering to include Tier III or… more
    Leidos (12/09/25)
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  • Network Engineer

    Nightwing (Herndon, VA)
    …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a cleared Network Engineer in the Herndon area. The selected candidate will ... Government and provide technical subject matter expertise in the field of network engineering and communications modeling. Provides support in the translation of… more
    Nightwing (12/23/25)
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  • Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …space? If so, look no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in Warrenton, VA. In this ... program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided,… more
    Amentum (12/11/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE), you will provide expert engineering support to ensure the ... Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the… more
    Virtual Service Operations (11/09/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    …If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, VA. In this ... program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided,… more
    Amentum (12/05/25)
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  • Cleared Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer (ISSE) L3 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the next steps ... in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are...sustainment of secure enclaves, providing enterprise services and cyber network defense capabilities. As an ISSE, you will be… more
    Virtual Service Operations (10/04/25)
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