Network Communications Administrator 3/4 - Secret

Northrop Grumman; United States; On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Northrop Grumman in Redondo Beach, CA is seeking a Network Communications Administrator to maintain and optimize classified network systems. The role requires on-site work and a Secret clearance, with responsibilities spanning LAN/WAN, VPNs, encryption, and security appliances in a high-assurance environment.

You will design, implement, and support large-scale networks, lead upgrades of routing/switching platforms, coordinate with government customers and internal teams, and ensure security

Qualifications

• Experience managing complex LAN/WAN environments in secure settings.
• Knowledge of encryption and security appliance configurations.
• Ability to design and implement scalable network architectures.

Responsibilities

• Perform Network Communications activities in support of classified government contracts.
• Maintain operations of LAN/WAN/VPNs and encryption technologies.
• Plan, design, configure, and implement LAN/WAN solutions that meet mission requirements.
• Lead the configuration, testing, and rollout of routing/switching platforms and security devices.
• Coordinate with program managers to present capacity planning and performance forecasts.
• Develop and maintain enterprise network standards, policies, and documentation; ensuring security compliance.
• Resolve incidents and coordinate cross-functional teams to restore services.
• Provide second-level support for network, hardware, software, and telecom issues.

Skills

LAN/WAN

VPN technologies

Security appliances

Network design

SDWAN

Zero Trust

Network troubleshooting

Cross-functional collaboration

Tools

ServiceNow

JIRA

Cisco IOS

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

The Northrop Grumman CIDO Classified Solutions team is seeking a Network Communications Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Redondo Beach, CA location.

Note : Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options.

The responsibilities of this role include, but are not limited to, the following:

• Perform Network Communications activities in support of classified government contracts.
• Maintains operations of LAN/WAN/VPNs and encryption technologies.
• Plans, designs, configures, and implement small to medium scale LAN/WAN solutions that meet mission-requirements.
• Lead the configuration, testing, and roll‑out of routing/switching platforms and security appliances
• Contribute to proposing technical network design solutions to management.
• Conduct capacity planning, performance forecasting, and present recommendations to program managers.
• Develop and maintain enterprise‑wide network standards, policies, and documentation; ensuring security compliance.
• Resolve incidents (WAN failures, security events, etc.) within expected tolerances, coordinating cross functionally with teams as needed.
• Coordinate third‑party maintenance for network equipment.
• Provide second‑level support resolution of technical problems and answers queries by telephone, in support of internal customers computer hardware, software, network, and telecommunications systems.
• Work performed independently; senior staff may provide strategic guidance.
• Lead customer engagements; define requirements, develop implementation schedules, and oversee delivery.
• Implement and troubleshoot LAN/WAN technologies such as VLANs, trunking (port tagging), spanning‑tree and protocols.
• Support environments by means of ticketing requirements systems (ServiceNow, JIRA, etc.).
• Define and execute long‑term network architecture roadmaps, such as SDWAN, ZeroTrust, and cloud‑enabled networking, ensuring alignment with enterprise security and compliance requirements.
• Lead the design, integration, and implementation of large‑scale, multidomain networks supporting classified missions, and oversee network migrations and cyber resilience initiatives.
• Serve as a senior technical liaison to government customers and internal leadership, negotiating requirements, delivering status briefings, and participating in external technical forums, proposals, and procurement discussions.
• Author, maintain, and enforce enterprise‑wide network standards, policies, and security frameworks; regularly audit compliance and champion continuous improvement initiatives.
• Provide advanced monitoring, analysis, and planning for network systems, coordinating third‑party maintenance as needed and supporting environments through ticketing systems (e.g., ServiceNow, JIRA).
• Deliver third‑level technical support for complex network, hardware, software, and telecommunications issues
• Develop innovative technical solutions to complex problems, support project designs, clarify requirements, and ensure solutions adhere to established standards.
• Raise issues requiring management attention and measure performance against K