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

0090 CORP-Corporate Office; United States; On-site; USD 114,000 - 213,400; Full time

Benefits offered by this job

Medical, dental & vision coverage

401(k)

Educational assistance

Life insurance

Employee assistance programs

Work/life solutions

Paid time off

Health & wellness resources

Employee discounts

Job summary

Northrop Grumman is seeking a Principal Computer Systems Architect – Level 3/4 in Redondo Beach, CA to support daily operations and high‑bay floor requests. The role requires TS/SCI clearance and occasional travel for coordinating network onboarding.

The position offers relocation assistance, a standard 9/80 schedule, and opportunities to work with NetApp, VMware, AD, and Security Center in a secure government context.

Qualifications

• Minimum 5+ years of relevant experience with a Bachelor’s degree, or 3+ years with a Master’s degree.
• Working knowledge of network protocols (TCP/IP, DNS, DHCP, VLANs) and network security.
• Experience with Windows 10, 11, and Windows Server, as well as RHEL 7–9 or other Linux distributions.

Responsibilities

• Support daily requests from operations high bay floor.
• Provide support for SV EGSE test sets and workstations, including connecting to the ATL network.
• Manage user accounts and network share access across high bay locations.
• Coordinate border crossing and onboarding of new EGSE test sets and hardware onto the ATL network.
• Provide 24/7 on‑call support during critical test phases.
• Diagnose and resolve complex network and system issues.
• Communicate technical information to non‑technical users and document processes.
• Travel as required (approximately 10%) and support off‑site activities.

Skills

TCP/IP

DNS

DHCP

VLANs

Windows 10/11

Windows Server

RHEL 7–9

Network security

Security fundamentals

Education

Bachelor’s degree

Master’s degree

Tools

NetApp storage appliances

VMware vSphere

Active Directory

Security Center

Job description

Principal Computer Systems Architect – Level 3/4

Location: Redondo Beach, CA.

Relocation Assistance

Relocation assistance may be available.

Clearance

Clearance required for start: Yes. Clearance type: Top Secret. TS/SCI Privilege User required with Poly within the last 5 years.

Travel

Travel: Yes, approximately 10% of the time.

Responsibilities

• Support daily requests from operations high bay floor.
• Provide support for SV EGSE test sets and workstations, including connecting to the ATL network.
• Manage user accounts and network share access across high bay locations.
• Coordinate border crossing and onboarding of new EGSE test sets and hardware onto the ATL network.
• Provide 24/7 on‑call support during critical test phases.
• Diagnose and resolve complex network and system issues.
• Communicate technical information to non‑technical users and document processes.
• Travel as required (approximately 10%) and support off‑site activities.

Basic Qualifications (Level 3)

• Minimum 5+ years of relevant experience with a Bachelor’s degree, or 3+ years with a Master’s degree.
• Working knowledge of network protocols (TCP/IP, DNS, DHCP, VLANs) and network security.
• Experience with Windows 10, 11, and Windows Server, as well as RHEL 7–9 or other Linux distributions.
• Proficient in managing network drive shares and access control.
• Familiarity with security best practices and incident response fundamentals.

Basic Qualifications (Level 4)

• Minimum 9+ years of relevant experience with a Bachelor’s degree, or 7+ years with a Master’s degree.
• All qualifications listed under Level 3, with additional depth and breadth of experience.

Preferred Qualifications

• Advanced knowledge of network protocols, VLANs, and firewall management.
• Experience troubleshooting network issues on computers, workstations, and network switches.
• Understanding of cable media (CAT6, fiber optic) and transceiver types.
• Ability to build, deploy, and troubleshoot Windows and Linux operating systems.
• Experience with NetApp storage appliances, VMware vSphere, Active Directory, and Security Center.

Benefits

Medical, Dental & Vision coverage; 401(k); educational assistance; life insurance; employee assistance programs; work/life solutions; paid time off; health & wellness resources; employee discounts.

Standard work schedule: 9/80 (nine‑hour days, Monday‑Thursday, with alternate Fridays off).

Salary Range

Primary Level: $114,000.00 – $171,000.00.

Secondary Level: $142,200.00 – $213,400.00.

EEO Statement

Northrop Grumman is an Equal Opportunity Employer. Discrimination is prohibited by federal law, and we do not discriminate on the basis of 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 Northrop Grumman EEO.

Citizenship

U.S. citizenship is required for all positions with a government clearance and certain restricted positions.