Principal Computer Systems Architect/Sr. Principal Computer Systems Architect (Level 3/4)

Company: Northrop Grumman
Location: Redondo Beach
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI 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. Embark on a career putting innovative, reliable, and agile products and ideas into orbit, and beyond. Northrop Grumman has opportunities waiting for you that play a vital role in human space exploration, national defense, and scientific discovery, supporting multiple programs across the universe. With us, you’ll discover a culture of curiosity and collaboration that will have you Defining Possible from the day you start. Our space systems connect and protect millions of people on earth every day, now and for the future. Explore your future and launch your career today. Space Systems is an industry-leading provider for prime satellite and payload capabilities and directed energy and electronics solutions for national security, military, and civil customers. We are built on a heritage of providing innovative, affordable and reliable aerospace and defense products that our customers rely on to achieve mission success. Join the Space revolution and make the impossible, possible. Northrop Grumman, Western Region Manufacturing and Operations has an opening for a Principal Computer Systems Architect/Sr. Principal Computer Systems Architect (Level 3/4) to join our team of highly qualified and diverse individuals. This position will be located in Redondo Beach, CA . AMP P093/ATL I&T is looking for a Principal Computer Systems Architect/Sr. Principal Computer Systems Architect (Level 3/4) to join the ATL STEE Team with 5 or more years of working experience working in a mixed Linux and Windows environment. Experience should include working with Red Hat Enterprise Linux (RHEL), Windows Server OS and Windows 10 and 11 operating systems, and advanced knowledge of networking and network protocols. An added capability and qualification would be some knowledge of working with network hardware such as Cisco switches. The position includes supporting daily requests from the operations high bay floor, supporting SV EGSE test sets and workstations including connecting to the ATL network, managing user accounts and share drive access, providing network access to various high bay locations for floor ops, border crossing of new EGSE test sets and hardware onto the ATL network. Other tasks include the ability to travel (about 10%) and support offsite activities when required and 24x7 on-call support during critical test phases. This position requires TS/SCI Privilege User (PU). As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including: Medical, Dental & Vision coverage 401k Educational Assistance Life Insurance Employee Assistance Programs & Work/Life Solutions Paid Time Off Health & Wellness Resources Employee Discounts This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. Basic Qualifications (Level 3) : Minimum of 5 years of relevant work experience with a Bachelor’s degree; or 3 years of relevant experience with a Master’s degree. Available to travel periodically ~10% when needed. Working knowledge of network protocols, TCP/IP, DNS, DHCP and static IP configuration, VLANs and network security. Working knowledge of network drive shares and the ability to manage share access Proficiency with all or part of the following operating systems: Windows 10, 11, Windows Server, Linux-RHEL 7,8,9 or other Linux distributions. Working knowledge of security best practices, access control and incident response fundamentals. Ability to diagnose and resolve complex issues and communicate effectively in a collaborative setting. Handle multiple tasks, translate technical info for non-technical users and documenting processes. Top Secret (TS) and active SCI Clearances with Poly within the last 5 years Basic Qualifications (Level 4) : Minimum of 9 years of relevant work experience with a Bachelor’s degree; or 7 years of relevant experience with a Master’s degree. Available to travel periodically ~10% when needed. Working knowledge of network protocols, TCP/IP, DNS, DHCP and static IP configuration, VLANs and network security. Working knowledge of network drive shares and the ability to manage share access Proficiency with all or part of the following operating systems: Windows 10, 11, Windows Server, Linux-RHEL 7,8,9 or other Linux distributions. Working knowledge of security best practices, access control and incident response fundamentals. Ability to diagnose and resolve complex issues and communicate effectively in a collaborative setting. Handle multiple tasks, translate technical info for non-technical users and documenting processes. Top Secret (TS) and active SCI Clearances with Poly within the last 5 years Preferred Qualifications : Working and advanced knowledge of network protocols, TCP/IP, DNS, DHCP and static IP configuration, VLANs and network security. Access list and working firewall knowledge. Ability to troubleshoot and diagnose network issues related to computers and workstations and network switching. Intermediate understanding of computer networking (OS configuration, Network switches, Firewalls, CISCO IOS). Knowledge of various cable media such as CAT6 and fiber optic cable modes fiber optic transceivers and their various types. Ability to build, deploy, configure Windows 10, 11, Windows Server, Linux RHEL 7,8 or 9 or other Linux distributions as well as troubleshooting IT systems hardware (i.e. Windows/Linux workstations, servers, storage appliances, network switches). Working experience with NetApp storage appliances, VMWare vSphere and managing virtual clients, Active Directory administration, Security Center. Primary Level Salary Range: $114,000.00 - $171,000.00 Secondary Level Salary Range: $142,200.00 - $213,400.00 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. 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.

Keywords: Northrop Grumman, Downey , Principal Computer Systems Architect/Sr. Principal Computer Systems Architect (Level 3/4), IT / Software / Systems , Redondo Beach, California