• Junior Systems Administrator

    SAIC (Washington, DC)
    **Description** Seeking a Systems Administrator to support a large federal government agency. Employee will perform on-site, at a secure government location on one ... Information Support Server Environment (ISSE) 3.x/4.x. + General switch, router, and firewall management. + Network and Host Vulnerability Assessment / Mitigation. +… more
    SAIC (11/15/25)
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  • Network Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... resets, activations, and break/fix baseline problems. + Analyze syslogs, perform firewall ACL modifications, route tracing, and interface status monitoring on Cisco… more
    Leidos (11/15/25)
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  • Network Administrator

    TEKsystems (Staunton, VA)
    …Details - strong work ethic, reliable, wants to learn - Open to more junior candidates if they have: - cisco routing/switching (CCNA or network+ would be highly ... *rotating on-call schedule Requires experience, creativity and multi-tasking Network Administrator to independently and collaboratively achieve department service and… more
    TEKsystems (11/14/25)
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  • Journeyman Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    We are seeking a highly experienced **Journeyman** **Network and Computer Systems Administrator ** to support the Department of Homeland Security (DHS) in the ... perform vulnerability remediation. + Provide Tier II/III support and mentoring to junior team members. + Participate in 24/7 on-call rotation as required.… more
    NANA Regional Corporation (10/17/25)
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  • IT Systems Administrator

    Black Diamond Technologies (Chicago, IL)
    …Black Diamond Solutions is an IT infrastructure consulting firm The System Administrator is responsible for maintaining the design and integrity of the internal ... cloud infrastructure: VMware ESXi/vCenter + Manage and support WatchGuard and Netgate firewall (s) and Cisco Meraki network appliances + Administer hosted and cloud… more
    Black Diamond Technologies (10/14/25)
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  • Junior Network Engineer (Travel)

    TekSynap (Huntsville, AL)
    …and communications systems. + Perform technical refresh of routers, switches, and firewall devices at customer sites. + Deploy device configurations and verify ... (CCNA) Enterprise Core and Infrastructure certification. **Overview** We are seeking a Junior Network Engineer (Travel) to join our team supporting the FBI's… more
    TekSynap (10/07/25)
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  • Hybrid Cloud Engineer Senior

    Leidos (Colorado Springs, CO)
    …performance, redundancy, and security compliance. + Implement and manage Azure Firewall , Application Gateway, and Azure Front Door configurations for secure and ... segmentation principles. + Troubleshoot and optimize DNS, routing, latency, and firewall rules across hybrid environments. + Support monitoring, alerting, and… more
    Leidos (10/16/25)
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  • Network Admin - Engineer

    ASM Research, An Accenture Federal Services Company (Oak Ridge, TN)
    …path selection across hybrid connectivity models including DMVPN and MPLS. + Firewall and Security Integration: Implement and manage next-generation firewall ... Azure, including Virtual Networks (VNets), ExpressRoute, peering, NAT Gateway, and firewall solutions to ensure secure and performant cross-premise connectivity. +… more
    ASM Research, An Accenture Federal Services Company (10/14/25)
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  • Network Engineer

    TEKsystems (Lansing, MI)
    …Computer Science or similar. 8 to 10 years of experience as a Network Administrator . Certification in one or more technologies: Cisco routing and switching, MPLS and ... Strong written and oral communication skills. Skills CCNA, CCNP, CCIE, Data Center, Firewall , Palo Alto, NX-OS, Nexus, UCS, MDS, BGP, OSPF, ACI Top Skills Details… more
    TEKsystems (11/18/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …stakeholders, the team, and other technical teams. + Mentor and train junior team members, fostering a culture of knowledge sharing and continuous improvement. ... infrastructure **_(eg, implementing least privilege access, hardening OS, managing firewall rules)_** and ensuring continuous compliance with regulatory standards… more
    Citigroup (11/14/25)
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  • Senior Network Services Engineer (IT…

    CUNY (New York, NY)
    …point for complex enterprise networking issues; mentor and guide junior engineers. + Translate business/technical requirements into architecture and implementation ... (JNCIA) issued by Juniper Networks; **and/or** **K.** Microsoft Certified: Azure Administrator Associate issued by Microsoft; **and/or** **L.** NetApp Certified Data… more
    CUNY (10/30/25)
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  • Sr Network Engineer - Operations Lead

    NANA Regional Corporation (Albuquerque, NM)
    …management, and service continuity. + Develop and maintain network access controls, firewall rules, and intrusion detection systems. + Support security audits and ... + Provide technical guidance and mentorship to network engineering and administrator team, fostering a collaborative and high-performing team environment. + Develop… more
    NANA Regional Corporation (11/14/25)
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  • Cyber Systems Security Engineer - Level 2

    Lockheed Martin (Fort Worth, TX)
    …\* Interacting daily with users and CIE/LM leadership \* System/database/software/ firewall /account maintenance and monitoring \* Maintaining smooth, secure operation ... be able to adapt to an ever\-changing environment\. Candidate must be willing to mentor junior level team members\. A level 2 employee **Typically has 2 \- 8 years**… more
    Lockheed Martin (11/13/25)
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  • Service Desk Analyst II

    SHI (Austin, TX)
    …and departmental initiatives as assigned by management. + Mentor and assist junior analysts and new team members, sharing knowledge and best practices. **Behaviors ... certifications, such as CompTIA A+, Microsoft Certified: Modern Desktop Administrator Associate, or ITIL Foundation. **Other Requirements** + Completed Bachelor's… more
    SHI (11/07/25)
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  • Sr. Kubernetes Platform Engineer

    Insight Global (Reston, VA)
    …associated open-source components. * Own platform network configuration (DNS, firewall services/TIC 3.0, VPN/tunnels). * Direct base image automation, distribution, ... maintain platform documentation (POAMs, SOPs, security SOPs, management plans). * Mentor junior platform engineers and coordinate work across Cloud Ops, App Support,… more
    Insight Global (10/11/25)
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