Staff Network Administrator - TS/SCI

Note- The selected candidate will be required to work on-site, full-time, at our facility/campus. This is not a virtual position.
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 as 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.
Your mission:

Maintain smooth operation of a highly available classified network
Develop technical solutions to complex problems which require the regular use of ingenuity and creativity
Operate as a motivated and agile system thinker who can demonstrate intellectual curiosity and navigate ambiguity and complexity to be the trusted advisor to our engineers and drive success for our organization
Plan, design, configure, and install network hardware in support of requirements
Maintain technical expertise in all areas of networks and computer hardware/software interconnections, as well as interfaces, including routers, multiplexers, firewalls, switches, gateways, and proprietary or niche scientific technical engineering equipment (STEE)
Propose and ensure solutions to management to guarantee that all communications requirements are based on future needs and current usage, configuring such solutions to optimize cost savings
Create and ensure that appropriate network documentation exists, including operational instructions
Install, configure, support Cisco routers, switches, Call Manager VoIP systems, Palo Alto firewalls, and General Dynamics TACLANEs
Provide regular monitoring and network analysis regarding short- and long-range planning for network and connected systems
Design networks, or portions of networks, including the selection of hardware and software packages
Provide incident and service request support in accordance with enterprise SLAs
Demonstrate the ability to work in a team environment with engineering teams, other network engineers, systems administrators, program management, cybersecurity, and physical security personnel
Exhibit exceptional verbal and written communication skills necessary for success
Efficiently manage and prioritize multiple programs concurrently in a dynamic operational environment
Mentor and provide structured training to junior network engineering staff to support continuous learning and professional growth
Additional duties will include (but not be limited to):

Plan, manage and implement complex network designs in support of program requirements
Develop technical solutions to complex problems which require the regular use of ingenuity and creativity
Support engineering teams in project designs to clarify project requirements and provide design solutions in accordance with standards
Perform troubleshooting analysis of network infrastructure and associated systems
Document network hardware and software technology components
Implement and troubleshoot LAN technologies such as VLANs, port tagging, and spanning tree protocols
Provide third-level support and troubleshooting of network problems
Provide periodic after-hours and weekend support
Work without appreciable direction while exercising considerable latitude in determining technical objectives of assignments. Your completed work will be reviewed from a relatively long-term perspective for desired results
Implement and troubleshoot WAN technologies such as EIGRP, BGP, OSPF
Interface regularly with program team members and manage their installation timelines and deliverables to help facilitate successful deployments
Manage timely resolution of all critical and/or complex problems meeting SLA requirements
Manage the keying and deployment of HAIPE/TACLANE and other military COMSEC/CRYPTO equipment
Demonstrate experience in the use of network analysis tools such as Wireshark, SolarWinds NTA, OPNET, etc.
Exhibit proficiency using Microsoft Office, Visio, Project, PowerPoint, and Excel or their equivalent
Lift equipment weighing up to 40 pounds as needed
If you are ready to solve complex problems in a dynamic environment, apply today!
Basic Qualifications:
To be considered minimally qualified for this position you must meet all of the following requirements.

Master's Degree with 10 years of relevant IT/Network experience; OR a Bachelor's Degree with 12 years of relevant IT/Network experience; OR an Associate's Degree with 14 years of relevant IT/Network experience; OR a High School Diploma/GED with 16 years of relevant IT/Network 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), to include a closed investigation date completed within the last 6 years OR must be enrolled in the DOD Continuous Evaluation (CE) Program, in order to be considered
Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment

Preferred Qualifications:
Individuals with the following skills and/or experience will receive preferential consideration.

The ideal candidate will have a Master's degree Network Engineering, a Security+ CE, and a CCNP certification, with 12 years of Network design, analysis, and administration of routers, switches, hubs, and firewalls in a classified environment
CCIE level Cisco Certification
Cloud network certification, AWS Certified Advanced Networking, Azure Network Engineer Associate, or Google Professional Cloud Network Engineer, or equivalent training and hands-on experience
Experience designing and maintaining LAN & WAN based networks, managing routing protocols on large LAN environments, and experience with Cisco and Palo Alto hardware (routers, switches, and firewalls)
In-depth knowledge of and experience with routing and switching concepts and protocols including DNS, DHCP, GRE, QOS, VLANs, DMVPN, and EIGRP
Experience in the use of network analysis tools (i.e. WireShark, SolarWinds, Opnet, etc.)
Experience with Splunk, Windows, RHEL, Nutanix, and VMWare
Experience with NetOps/NOC design integrated with program Cyber
Strong understanding of network security principles essential to implementing cybersecurity
Familiarity with network device management and security applications such as FMC, GEM One, ISE, Panorama, and WildFire
Experience working within IT Systems Design, Deployment, and Administration
Experience with design and planning of network security systems including software security, zero-trust principles, and best practices
Experience with configuring TACLANES
Understanding of the architecture, maintenance, and administration of Linux servers
Experience with network automation tools and scripting
Troubleshooting virtual network issues, including firewall configuration, and resolving them accordingly
Experience with Type 1 Network encryption
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 SCI, Polygraph, or SAP/SAR access
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. Come join us!
Primary Level Salary Range: $161,000.00 - $241,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Client-provided location(s): Redondo Beach, CA

Job ID: NorthropGrumman-R10216469

Employment Type: OTHER

Posted: 2025-12-10T20:21:19