• Senior Network Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** ** Network Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include ... and maintaining entire physical networking infrastructure including firewalls and core/distribution/ access switches and routers. + Utilizing network monitoring… more
    ManTech (12/03/25)
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  • Senior Network Engineer

    System One (Mclean, VA)
    Job Title: Senior Network Engineer Location: Arlington, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active Top Secret ... Duties and Responsibilities: + Lead the design and implementation of OMC network infrastructure across multiple locations. + Provide operations and maintenance (O&M)… more
    System One (12/26/25)
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  • Senior Network Engineer

    Robert Half Technology (St. Louis, MO)
    …for a leading organization in the St. Louis area? Our company is seeking a Senior Network Engineer to architect, implement, and support critical network ... operations. Key Responsibilities: Design, deploy, and maintain robust enterprise network infrastructure, including LAN, WAN, cloud, and wireless technologies.… more
    Robert Half Technology (12/24/25)
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  • FLEX Senior Network DevOps…

    Marriott (Bethesda, MD)
    …related technical field experience/certification - **7+ years** ' experience as a ** Network Engineer with Designing and Implementing complex networking.** - **4+ ... years** of experience with automating network functions through tools such as **Ansible, Python or...**Managing Projects and Priorities** - Functions as a strategic senior technical expert within the department. - Develops specific… more
    Marriott (12/18/25)
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  • Senior Network Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA. This is a position requiring ... are not limited to:** + Designing and integrating comprehensive network , VoIP, VTC, and data center solutions, adhering to...the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with… more
    ManTech (12/17/25)
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  • Senior Specialist, Network Plan…

    L3Harris (Broomfield, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Network Plan Engineer Job Code: 31905 Job Location: ... Boulder/North Denver, CO Job Schedule: 9/80 Job Description: Conducts network architecture design, feasibility and modeling. Designs, analyzes, plans, and modifies … more
    L3Harris (12/10/25)
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  • Senior Network Engineer

    Leidos (Odenton, MD)
    **Description** Leidos is seeking a ** Senior Network Engineer ** to join our Defense Enclave Services (DES) team at F **t. Meade, MD.** The DES program is a ... single service provider model. This role will include discovery, analysis, design, and network migration activities necessary to move a host of DoD agencies into the… more
    Leidos (12/03/25)
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  • ABAD Senior Network Engineer…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior ** ** Network Engineer ** to join our team! In this ... and future wide-area networks (WANs). + Configure and validate Access Control Lists (ACLs) to enhance network ...validate Access Control Lists (ACLs) to enhance network security. + Apply Security Technical Implementation Guides (STIGs)… more
    Parsons Corporation (12/02/25)
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  • Senior Network Engineer

    Freeport-McMoRan (Phoenix, AZ)
    Senior Network Engineer Requisition...technology. There are great neighborhoods around Phoenix, with easy access to a major city, nature, the arts and ... many more amenities. **What You Will Do** Collaborate with the network operations team to maintain and enhance the performance and availability of enterprise … more
    Freeport-McMoRan (11/04/25)
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  • Senior Network Engineer

    BAE Systems (Saratoga Springs, UT)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Network Engineer ** **115111BR** EEO Career Site Equal Opportunity ... **Job Description** Provides Network support that requires system level design, architecture...TCP/IP protocol stack, routing/switching protocols, stateful firewalls, and L3/L4 access controls. + Cisco IOS, CatOS, NxOS, filter and… more
    BAE Systems (12/09/25)
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