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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator 3/4 - TS/SCI - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Experience:** Expert - **Salary:** $103,600.0 - $193,900.0 - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Border Gateway Protocol, Network Analysis, Cisco Hardwares, Cisco Routers, Complex Networks, Cyber Security, System Configuration, Enhanced Interior Gateway Routing Protocol, Trunking, Networking Hardware, Network Troubleshooting, Microsoft Office, Microsoft Visio, Network Architecture, Network Planning and Design, Routing, Open Shortest Path First (OSPF), Microsoft PowerPoint, Systems Integration, Wireshark, Virtual Local Area Networks, Wide Area Networks, Network Routers, Multiplexers, Enterprise Software Applications, Firewalls (Computer Science), Information Technology, SolarWinds (Software), OPNET (Software), Cisco - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a19cc9758ffdeb96 ## About the Role * Master's Degree with 3 years of relevant IT experience; OR a Bachelor's Degree with 5 years of relevant IT experience; OR an Associate's Degree with 7 years of relevant IT experience; OR a High School Diploma/GED with 9 years of relevant IT experience is required * Must have work experience with designing and maintaining LAN/WAN based networks, managing routing protocols on large LAN environments, and experience with Cisco hardware (routers, switches, and firewalls) * Must have a DOD 8570 IAT level II baseline certification (example: Security+ CE) * Ability to lift equipment weighing up to 40 pounds * Ability to work after hours, and weekends, as needed * Candidates must have a current DOD Top Secret level security clearance with SCI access level eligibility (at a minimum) in order to be considered * Candidates must have the ability to obtain, and maintain, a Polygraph as a condition of continued employment, * Master's Degree with 6 years of relevant IT experience; OR a Bachelor's Degree with 8 years of relevant IT experience; OR an Associate's Degree with 10 years of relevant IT experience; OR a High School Diploma/GED with 12 years of relevant IT experience is required * Must have work experience with designing and maintaining LAN/WAN based networks, managing routing protocols on large LAN environments, and experience with Cisco hardware (routers, switches, and firewalls) * Must have a DOD 8570 IAT level II baseline certification (example: Security+ CE) * Ability to lift equipment weighing up to 40 pounds * Ability to work after hours, and weekends, as needed * Candidates must have a current DOD Top Secret level security clearance with SCI access level eligibility (at a minimum) in order to be considered * Candidates must have the ability to obtain, and maintain, a Polygraph as a condition of continued employment, * The ideal candidate will have a Bachelor's degree Network Engineering, Security+ CE, a Cisco CCNA (or a CCNP), and 6 years of Network design, analysis, and administration of routers, switches, hubs, and firewalls * Experience in the use of network analysis tools (i.e. WireShark, SolarWinds, Opnet, etc.) would be nice to have * Experience with configuring TACLANES would be ideal * Previous experience troubleshooting network procedures and best practices; experience with network challenges associated with systems integration, including COTS integration, capacity analysis and system architecture design * Demonstrated leadership skills, or previous management of small teams, would be helpful * Active TS/SCI with a current/recent Polygraph would be ideal ## Description The Network Administrator maintains smooth operation of LAN/WAN/VPNs. Plans, designs, configures, and installs network hardware in support of customer requirements. Maintains technical expertise in all areas of networks and computer hardware / software interconnection, as well a interfacing, including routers, multiplexers, firewalls, switches, gateways, etc. Proposes solutions to management. Ensures all communication requirements (based on future needs and current usage) are configured to optimize cost savings. Creates and ensures that appropriate network documentation exists, including operational instructions. Provides regular monitoring, and network analysis, regarding short and long-range planning for [in-house] systems. May coordinate third-party maintenance for network equipment. Designs networks, or portions of networks, including the selection of hardware and software packages. Additional duties: * Plan, manage and implement complex network designs in support of customer requirements. * Develop technical solutions to complex problems which require the regular use of ingenuity and creativity. * Support network teams in project designs to clarify project requirements, provide design solutions, in accordance with standards. * Perform troubleshooting analysis of network infrastructure and associated systems. * Document network hardware and software technology components. * Install and configure Cisco routers, switches and firewalls. * Implement and troubleshoot LAN technologies such as VLANs, trunking (port tagging), spanning-tree and protocols. * Provide third-level support and troubleshooting of network problems. Periodically provide after-hours and weekend support. * Work is performed without appreciable direction. Exercises considerable latitude in determining technical objectives of assignment. Completed work is reviewed from a relatively long- term perspective, for desired results. * Implement and troubleshoot WAN technologies such as EIGRP, BGP, OSPF, and telco circuits (T1, T3, OC3) * Interface regularly with customers and manage customer installation timelines and deliverables to help facilitate successful deployments. * Manage timely resolution of all critical and/or complex problems meeting SLA requirements * Experience with Microsoft Office, Visio, Project, PowerPoint and Excel, We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. Our Employee Resource Groups (ERGs) offer opportunities to be a friend, be active, be a volunteer, be a leader, be recognized, and to be yourself. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. 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