Network and Systems Administrator

We're looking for a Network and Systems Administrator to provide advanced technical computer, infrastructure, network, and operations support for systems in this heterogeneous environment. You will work in a safety conscious, challenging, rapidly changing, and team-oriented environment to solve a variety of complex technical problems in a timely manner. This position is in the Information Technology Operations (ITO) Division supporting Strategic Deterrence at the Nevada National Security Site (NNSS) within the Computing Directorate.

This position requires full-time on-site presence due to the nature of the work.

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 

• Work at both the Nevada National Security Site (NNSS) and the Nevada Support Facility (NSF) providing computer and network infrastructure operational support in a fast paced and heterogeneous environment across several projects.
• Provide network and systems administration to isolated networks and operational support of corporate partners to independently resolve problems, requiring highly advanced knowledge of one or more platforms (e.g., Windows, Office 365, DNS, VMWare, Active Directory, storage systems, backups, transportation encryption technologies, firewalls, switches, etc.).
• Provide technical expertise to analyze, configure and deploy hardware equipment as needed. This includes, but not limited to, physical installation, advanced coordination between different corporate partners and patching to industry standards.
• Collaborate with management, customers, and team members to evaluate, design, and recommend procurements of network, Windows, or appliance-based hardware and software.
• Define and maintain support documentation and procedures utilizing standardized format methods to include industry standard configuration management database (CMDB) and datacenter infrastructure management (DCIM) software to document system configurations.
•  Be a team player, maintain appropriate technology, computer security, and safety knowledge, and support and represent the infrastructure team.
• Provide weekly updates to senior leadership on projects and team performance.
• Perform other duties as assigned.

Additional job responsibilities, at the 393.2 level

• Diagnose, troubleshoot, and resolve highly complex system and network-related problems, including driving problem resolution, working with vendors, and managing cases as required.
• Serve as a technical leader and an internal and external consultant, providing highly advanced technical assistance to the user community and collaborating with customers in the design of their computing environment.
• Function as a technology advocate, ensuring the most appropriate solutions are employed and maintained.

• This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire.
• Bachelor’s degree in a computer-related field or equivalent combination of technical training and experience.
• Broad and in-depth knowledge and technical experience with datacenter operations, Windows or Linux operating systems, VMWare virtual environments, and related hardware.
• Knowledge of enterprise networking technologies, including datacenter cabling standards, routing protocols, overlays, or network virtualization.
• Ability to lift and operate heavy equipment (up to 50 pounds) and climb ladders.
• Experience exercising effective customer support skills in a diverse user community with widely varying levels of computer literacy.
• Proficient interpersonal and verbal and written communication skills, with ability to work independently and interact with a multi-disciplinary staff in a team environment.

Additional qualifications at the 393.2 level

• Highly advanced knowledge of and substantial experience with Windows, and/or Linux operating systems, and/or Virtual environments and related hardware.
• Substantial experience mentoring employees in technical skills.
• Substantial experience serving as a technical team lead on projects, achieving positive results, and driving projects to closure on time and on budget.

Qualifications We Desire

• Broad and in-depth knowledge and technical expertise with enterprise support tools for management, patching, or software distribution, computer network hardware, software, protocols, and principles, Windows computer security concepts and practices, computer network hardware/software, protocols and principles, and Windows operating systems.
• Professional computer certification (e.g., MCSA, MCSE, CompTIA A+, ACSP, RedHat) or a professional network certification (e.g., CCNA, BICSI).
• Experience directing complex troubleshooting.

#LI-Onsite

Position Information

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

Why Lawrence Livermore National Laboratory?

• Included in 2025 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit https://www.llnl.gov/inclusion/our-values

Security Clearance

This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at time of hire. 

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.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession.  This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.  

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas.  Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

Pre-Placement Medical Exam

A job related pre-placement medical examination may be required.

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: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

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.

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.