LLNL
Linux Systems Administrator – Active Security Clearance Required
At a Glance
- Location
- Livermore, California, United States
- Work Regime
- onsite
- Employment
- Full-time
- Posted
- 2026-03-17T16:38:17.601Z
Key Requirements
Required Skills
Domain Knowledge
- Education
- Engineering
- Regulatory
Benefits & Perks
Glassdoor! Flexible Benefits Package 401(k) Relocation Assistance Education
Requirements
Active DOE Q clearance (or active Top Secret clearance) with the ability to obtain and maintain Sensitive Compartmented Information (SCI) access.
Ability to successfully complete a lifestyle polygraph as required by the sponsoring program.
Bachelor’s Degree in a Computer, Information Technology, or Engineering related field or equivalent combination of technical training and experience.
Strong understanding of networking fundamentals (TCP/IP, DNS, routing, firewalls) as they relate to Linux systems.
Broad and in-depth knowledge of and technical experience with Linux operating systems and related hardware.
Experience applying security hardening standards and working in environments with strict security and compliance requirements.
Compensation & Benefits
#LI-Onsite
Position Information
This is a Career Indefinite position, open to Lab employees and external candidates.
Why Lawrence Livermore National Laboratory?
Included in 2026 Best Places to Work by Glassdoor!
Flexible
Responsibilities
We're looking for a Linux Systems Administrator to provide advanced technical computer support for systems in a heterogeneous environment to solve a variety of complex technical problems in a timely manner. This position is in the Information Technology Operations (ITO) Division within the Computing Directorate.
This position requires full-time on-site presence due to the nature of the work.
Telecommuting options are not available.
This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.
You will
Provide Tier 3 support for Linux systems, including incident resolution, root cause analysis, and long-term remediation on classified and unclassified networks.
About the Company
Join us and make YOUR mark on the World!
Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.
Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact
.