Northrop Grumman

Principal Network Engineer

Northrop Grumman$103K — $155K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Associate's degree with 7 years of experience, Bachelor's with 5 years, Master's with 3 years, or PhD with 1 year of relevant experience, or High School diploma with 9 years of relevant experience.
  • Must possess or be eligible for a current U.S. Government Secret level security clearance.
  • Experience with managed network solutions and large-scale network engineering projects.
  • Proficiency with Cisco Router/Switch equipment, firewalls, and wireless technology.
  • Strong understanding of TCP/IP and LAN/WAN protocols.

Responsibilities

  • Plan and design enterprise-level network solutions according to standards.
  • Produce comprehensive design review packages including schematics and schedules.
  • Install and configure Cisco core networking equipment.
  • Coordinate cabling projects with internal teams and suppliers.
  • Provide advanced troubleshooting for WAN, LAN, and SD-WAN issues.
  • Implement corrective actions and maintain configuration documentation.
  • Act as technical liaison with vendors for escalations and services.

Benefits

  • Flexible work arrangements.
  • Exceptional learning opportunities with diverse projects.
  • Friendly team environment.
  • 401k matching program.
  • Health insurance and paid time off.
Full Job Description
RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: NoDescription

Northrop Grumman's Corporate Sector's Chief Information & Digital Office (CIDO) is seeking a Principal Network Engineer to support its IT Infrastructure & Operations organization's Network Communications and Visibility (NCV) team in Redondo Beach, CA; please note that the candidate selected for this position will be required to work on-site, full-time at our Redondo Beach, CA campus - this is not a remote work opportunity.

The selected candidate's primary focus will be on supporting the Redondo Beach campus and several remote sites. Additionally, the role will involve enterprise-wide responsibilities across the Northrop Grumman network footprint. The successful candidate will design, implement, and maintain high availability network infrastructure, work directly with customers and vendors, and contribute to continuous improvement of our secure communications environment.

Key Responsibilities:
  • Plan, design, and deploy site and enterprise level network solutions in accordance with Northrop Grumman standards and best practices.
  • Produce comprehensive design review packages, including schematics, bill-of-materials, and implementation schedules.
  • Install and commission Cisco core network equipment (routers, multilayer switches, firewalls, wireless controllers, and access points).
  • Coordinate fiber-optic and copper cabling projects with suppliers and internal construction teams.
  • Provide Tier 2/3 troubleshooting for WAN, LAN, and SD-WAN environments, ensuring 99.9 % availability of firewalls, routing, and wireless services.
  • Execute corrective actions, hardware replacements, and software upgrades while maintaining accurate documentation in our configuration management database (CMDB).
  • Serve as the primary technical liaison with vendors (Cisco, Aruba, Juniper, etc.) for escalations, service definitions, and new service onboarding.
  • Work closely with the Redondo Beach sector customer base to translate business requirements into robust technical solutions.
  • Implement and enforce security policies for network segmentation, access control, and vulnerability remediation in line with government and NIST guidelines.
  • Participate in after-action reviews, recommend process enhancements, and mentor junior engineers on best-in-class networking practices.


Basic Qualifications:
  • Associate's degree with 7 years of relevant experience, or a Bachelor's degree with 5 years of relevant experience, or a Master's degree with 3 years of relevant experience, or a PhD with 1 year of relevant experience; a High School Diploma or equivalent with 9 years of relevant experience may be considered in lieu of a completed degree.
  • Candidates must have a current U.S. Government Secret levelsecurity clearance (or higher), to include a closed investigation date completed within the last 6 years OR must be enrolled in the U.S. Government Continuous Evaluation (CE) Program, in order to be considered.
  • Experience with managed network solutions and large-scale technical network engineering project experience.
  • Experience with Cisco Router and Switch equipment, Firewall Cisco Network Equipment, Cisco Wireless Technology, and Cellular Technology.
  • A strong knowledge of the TCP/IP protocol, Cisco Router and Switch products.
  • Knowledge and experience with LAN/WAN protocols and technologies such as multicast, QoS, CoS & OSPF.


Preferred Qualifications:
  • Experience with SDWAN methodologies/equipment a plus.
  • Experience leading enterprise projects for large networks.
  • Experience in designing network solutions.
  • Experience leading network implementation projects.
  • Project Management certification.
  • Experience using test equipment such as the Network Associates Sniffer, cable and fiber optics test sets, and other protocol analyzers.
  • A strong knowledge of Cisco and Palo Alto Firewalls.
  • Current U.S. government Top Secret security clearance.


We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. 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: $103,600.00 - $155,400.00

The 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.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

Stay Connected

Keep up to date with the latest news, job openings, and insider tips by subscribing to our careers blog. Personalize your experience by joining our community and setting up job alert emails tailored to your career preferences.

Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

Similar Jobs

More Jobs at Northrop Grumman

More Aerospace & Defense Jobs

Find similar Principal Network Engineer jobs: