Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT)

0090 CORP-Corporate Office; United States; On-site; USD 103,600 - 155,400; Full time

Benefits offered by this job

Health insurance

Paid time off (PTO)

Life and disability insurance

Job summary

0090 CORP-Corporate Office is seeking a Linux Systems Administrator to join our diverse team in Redondo Beach, CA. This role involves administering Linux-based systems, ensuring security compliance, and collaborating with engineering teams on the Forward Area Air Defense portfolio of programs.

The ideal candidate will possess strong Linux expertise, particularly in Red Hat systems, and have experience with troubleshooting and system configuration. A security clearance is required for this position.

Qualifications

• Strong understanding of Linux system administration, preferably Red Hat.
• Experience in troubleshooting OS, networks, and hardware issues.
• Familiarity with virtualization platforms is a plus.

Responsibilities

• Administer and maintain Linux-based systems for the FAAD programs.
• Collaborate with engineering teams to resolve OS-related issues.
• Document system configurations and changes.

Skills

Linux system administration

Shell scripting

Troubleshooting

Collaboration with engineers

Tools

VMware

Job description

Relocation Assistance

Relocation assistance may be available.

Clearance Required for Start

Yes

Clearance Type

Secret

Travel

No

Description

We are seeking a Linux Systems Administrator to join our diverse team in Redondo Beach, CA, working on the Forward Area Air Defense (FAAD) portfolio of programs. The selected candidate will perform system administration duties for an Army Air Defense System that includes defense against manned aircraft; rockets, artillery, and mortars; unmanned aerial systems (UAS); and cruise missile defense.

Essential Duties and Responsibilities

• Administer, monitor, and maintain Linux‑based systems in lab and development environments, including configuration, patching, and troubleshooting.
• Load, customize, and harden Linux development workstations and servers to meet program security and performance requirements.
• Troubleshoot and repair hardware problems, including diagnosing faulty components and coordinating repair or replacement.
• Respond rapidly to high‑priority incidents, diagnose root causes across OS, network, and hardware layers, and restore service for critical lab environments.
• Collaborate closely with software developers and other engineering teams to support build environments, development workflows, and OS‑related issues.
• Document system configurations, procedures, and changes, and contribute to maintaining accurate lab infrastructure inventories.

Basic Qualifications

• Strong understanding of Linux system administration (Red Hat or similar enterprise distributions) in lab, development, or production environments.
• Experience installing, configuring, and troubleshooting Linux operating systems, software, servers, and associated lab hardware, including managing user accounts, groups, and file system permissions.
• Experience troubleshooting operating systems, networks, and hardware issues across servers and workstations.
• Experience performing OS‑level package management, building and maintaining custom RPMs, handling kernel/driver interactions, and conducting performance tuning in Linux environments.
• Familiarity with scripting (e.g., shell scripting) for system configuration, automation, and maintenance tasks.
• Demonstrated ability to work collaboratively with engineers and technical leads on schedule‑driven programs.
• Hold or be able to obtain DoD Secret clearance.

Good to Have (Not Required)

• Familiarity with virtualization platforms (e.g., VMware) and applying security patches and updates to virtualized environments.
• Experience supporting backup and restore solutions.
• Experience with vulnerability scanning and security compliance, applying OS/security patches, managing patch repositories, and maintaining antivirus tools.
• Experience supporting build and deployment environments, including maintaining build scripts and installation media for development environments.

Salary

Primary Level: $103,600.00 – $155,400.00

Secondary Level: $129,300.00 – $193,900.00

Benefits

Health insurance coverage, life and disability insurance, savings plan, company paid holidays, and paid time off (PTO) for vacation and/or personal business.

EEO Statement

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.

Citizenship

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