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Network Administrator

Mid-Senior Level | Full-time
Information Technology/Computing | livermore, CA | 11/08/2023

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Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is important for continued success of the Laboratory’s mission.

Pay Range

$104,220 - $129,384 Yearly at the 393.1 level

$126,120 - $156,576 Yearly at the 393.2 level

Please note that the pay range information is a general guideline only. Many factors are taken into consideration when setting starting pay including education, experience, the external labor market, and internal equity.

Job Description

We're looking for a Network Administrator with expertise in supporting diverse enterprise network architectures, including implementation and operations.  You will be responsible for installing, configuring, and maintaining network hardware and software across a variety of enterprise network environments. This position is in the Information Technology Operations (ITO) Division supporting the Field Intelligence Element (FIE) within the Computing Directorate.

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 

  • Perform complex network administration tasks to configure, operate, and maintain network equipment including switches, routers, firewalls, load balancers, and other equipment.
  • Provide troubleshooting and operational support for multiple datacenter, campus, and WAN networks.
  • Design and implement WAN, campus, and datacenter networks utilizing advanced network technologies.
  • Implement comprehensive network security architectures, policies, and monitoring in collaboration with Cyber Security Team.
  • Evaluate network products and services interacting with vendors.
  • Thrive in a fast paced and challenging environment, with multiple competing priorities, while managing to maintain sound judgement and excellent customer service.
  • Perform occasional work outside normal business hours in order to provide support for network operations and maintenance activities.
  • Collaborate with Cyber security team and other National Laboratories to implement comprehensive network security architectures, policies, and monitoring.
  • Perform other duties as assigned.

Additional job responsibilities, at the 393.2 level

  • Design and deliver comprehensive, customized networks, in alignment with customer requirements and enterprise network strategies.
  • Ability to work independently to configure and effectively utilize network management and monitoring tools.
  • Diagnose, resolve, and document comprehensive network problems.


  • Ability to secure and maintain a U.S. DOE X-level security clearance which requires U.S. citizenship.
  • Bachelor’s degree in Information Technology, Computer Science, Engineering, or related discipline, or the equivalent combination of technical training and related experience.
  • Extensive experience in network system design, configuration, implementation, documentation, and operations.
  • Broad and in-depth knowledge of and experience with network routing and VLANs, including OSPF or IS-IS and BGP, as well as working knowledge of overlay technologies such as MPLS, VXLAN, VPNs (IPSec and SSL), and GRE.
  • Familiarity with common network automation frameworks used for network configuration management, network device discovery and inventory management, Network security and compliance monitoring.
  • Broad and in-depth knowledge of and experience in firewall configuration and maintenance, such as Palo Alto NGFW and Cisco ASA.
  • Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional Certifications (CCNP), or comparable industry certification from another vendor.
  • Proficient interpersonal and verbal and written communications skills, with the ability to work independently and interact with customers and team members.

Additional qualifications at the 393.2 level

  • Significant experience developing advanced architecture solutions including crypto Type 1/ Type 2 implementation, ISP/POPs management, and packet encryption.
  • Highly advanced troubleshooting skills and experience solving problems by analyzing protocol interactions collected in packet traces.
  • Experience training and mentoring team members in network engineering and architecture.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance.  If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. 

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams:

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

We invite you to review the Equal Employment Opportunity posters which include EEO is the Law and Pay Transparency Nondiscrimination Provision.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. 

California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

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