Sr. Principal Network Administrator


On Site
USD 115,400.00 - 181,300.00 per year
Full Time


Computer hardware
Cost reduction
Network analysis
Network design
Microsoft Windows Server
Security clearance
Routing protocols
Microsoft Office
Information systems
System administration
System integration
Capacity management
Systems architecture
Active Directory
Health insurance
Copy editing
Cisco Certifications
Microsoft Visio
Microsoft Excel
Risk management framework
Cloud computing
VMware vSphere

Job Details

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.
Northrop Grumman Chief Information Office is seeking a well-qualified Network Administrator to join its dynamic team of technical professionals in Redondo Beach, CA or in Linthicum, MD. The selected candidate will be required to work on-site, full-time at our Redondo Beach, CA or Linthicum, MD campus.

Essential Functions:
  • Maintain smooth operation of classified network.
  • Plan, evaluate, configure, and install network hardware in accordance with customer requirements.
  • Maintain technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc.
  • May propose solutions to management to ensure 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.
  • Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems.
  • Perform troubleshooting analysis of network infrastructure and associated systems.
  • Install and configure Cisco routers, switches, and firewalls.
  • May coordinate third-party maintenance for network equipment.
  • General knowledge of Windows server and desktops required, in order to help server administrators as required with server and desktop tasks.
  • Represent the organization in providing solutions to difficult technical issues associated with specific projects.
  • The successful applicant will demonstrate the ability to work in a team environment with engineering users, other network administrators, systems administrators, and computer/facility organizations.
  • The ability to multi-task and good communication skills, both verbal and written, are required.
Basic Qualifications:
  • Associate's degree and 11 years of experience, or Bachelor's degree and 9 years of experience, or Master's degree and 7 years of experience; a High School diploma or equivalent and 13 years of experience may be considered in lieu of a completed degree .
  • IAT Level II certification is required on Day 1 (Security+CE, CCNA-Security, SSCP, etc.); maintaining the required certification will be a condition of continued employment.
  • Active DoD Top Secret security clearance required on Day 1 of employment; the ability to maintain the required security clearance will be a condition of continued employment.
  • The selected candidate will be required to obtain a Special Access Program (SAP/SAR) clearance within a reasonable period of time as determined by the company and also by customer and/or program requirements; maintaining a SAP/SAR clearance will be a condition of continued employment.
  • Experience maintaining LAN & WAN based networks.
  • Experience with managing routing protocols on large LAN environments.
  • Experience with Cisco hardware including routers, switches, and firewalls.
  • Experience with Microsoft Office, Visio, Project, PowerPoint, and Excel.
  • Ability to lift equipment weighing up to 40 pounds.
  • Ability to work after hours and weekends as needed.
Preferred Qualifications:
  • Bachelor's or Master's Degree in Information Systems related field.
  • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
  • VMWare Systems Administration and/or Cloud Architect certification(s).
  • 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 experience in the use of network analysis and reporting tools (i.e. WireShark, Opnet, Solarwinds, syslogs, etc.).
  • Experience designing LAN and WAN based networks.
  • Experience performing operations in an Agile framework.
  • Familiarity with configuration, administration, and maintenance of SolarWinds software.
  • Industry vendor certifications from Juniper (JNCIA, JNCIS, JNCIP, JNCIE) and Cisco (CCNA, CCNP).
  • Familiarity with authentication & encryption methods/capabilities (TACACS+, Active Directory, GEM-X) and Virtualization technologies such as VMWare vCenter and vSphere .

Salary Range: $115,400 - $181,300

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.

Employees may be eligible for 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 committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit . U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.