Top 44 Site administrator Jobs in San Diego, Ca

High Performance Computing (HPC) Systems Administrator
Leidos —San Diego, CA
- $107,900 - $195,050 a year
- Full-time
- Computer Science
- Research
- Mid-level
4d
Clinical Site Contracts Administrator
Neurocrine Bioscience —San Diego, CA
- $40.40 - $55.14 an hour
- Full-time
- Psychiatry
- Computer literacy
- Mid-level
- Paid holidays
- Health insurance
Systems Administrator
Trulioo —San Diego, CA
- $75,000 - $100,000 a year
- Full-time
- Hybrid work
- Google Workspace
- Computer science
- Computer Science
- Health insurance
- Dental insurance
User Support & Junior Systems Administrator
FirmaTRUST —San Diego, CA
- $75,000 - $950,000 a year
- Full-time
- Background check
- Google Workspace
- Computer Science
- Paid holidays
- Health insurance
Quick Apply
Health System Administrator
US Military Treatment Facilities under DHA —Naval Medical Center San Diego, CA
- $121,585 - $158,062 a year
- Temporary
- Hybrid work
- Background check
- Pass drug screening
- Travel
3d
System Administrator - Cloud and SaaS
Mutual of Omaha Mortgage —San Diego, CA
- $80,000 - $95,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Windows
- Paid holidays
- Health insurance
Quick Apply
11d
System Administrator
Kros-Wise —San Diego, CA
- $100,000 - $135,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- 401(k)
- Paid time off
Quick Apply
Site Administrator
Anaergia —Santee, CA
- $25 - $35 an hour
- Full-time
- Construction site
- Writing skills
- English
Quick Apply
IT Systems Administrator
VetComm —Del Mar, CA
- $70,000 - $90,000 a year
- Full-time
- Hybrid work
- Google Workspace
- Mid-level
- Scripting
- Health savings account
- Health insurance
Quick Apply
Learning Systems Administrator
General Atomics —San Diego, CA
- $73,700 - $128,780 a year
- Extended hours
- 6 years
- Mid-level
- Office
3d
Systems Administrator
San Diego Housing Commission —San Diego, CA
- $90,696.94 - $110,438.22 a year
- Full-time
- Computer Science
- Office
- 3 years
- Paid holidays
- Dental insurance
Junior Level Systems Administrator
BAE Systems Inc. —San Diego, CA
- $97,008 - $164,914 a year
- Weekends as needed
- Microsoft Excel
- Mid-level
- Travel
- Health savings account
- Paid holidays
3d
Systems Administrator, Windows
Perrygo Consulting Group, LLC —San Diego, CA
- Contract
- Mid-level
- SQL
- Bachelor's degree
- Profit sharing
- Health savings account
Quick Apply
IT Systems Administrator
OPSAM HEALTH —Chula Vista, CA
- $70,000 - $110,000 a year
- HIPAA
- Mid-level
- Microsoft Office
Quick Apply
Systems Administrator
Liberty Military Housing —San Diego, CA
- $41.41 - $54.62 an hour
- Full-time
- 5 years
- Mid-level
- Office
- AD&D insurance
- Paid holidays
IT Systems Administrator, Mid
Booz Allen Hamilton —San Diego, CA
- $61,900 - $141,000 a year
- Full-time
- Computer Science
- Mid-level
- Office
- Disability insurance
- Health insurance
SCIF System Administrator
SAIC —San Diego, CA
- $80,001 - $120,000 a year
- Full-time
- Engineering
- Mid-level
- Windows
12d
System Administrator I
Saalex —San Diego, CA
- $60,000 - $105,000 a year
- Full-time
- Engineering
- Mid-level
- Analysis skills
- AD&D insurance
- Disability insurance
Quick Apply
Network and Computer Systems Administrator
T3W Business Solutions Inc —San Diego, CA
- $71,000 - $91,000 a year
- Mid-level
- Bachelor's degree
- 2 years
Quick Apply
FPC Enterprise Systems Administrator
Allied Express Solutions —San Diego, CA
- $120 an hour
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- 3 years
- Paid time off
- Work from home
Quick Apply

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High Performance Computing (HPC) Systems Administrator

Leidos -
San Diego, CA

Apply Now

Job Details

Full-time
$107,900 - $195,050 a year
4 days ago

Qualifications

Network troubleshooting
Linux support
Automation software
Software installation
Bachelor's degree
Computer hardware
Data Security (Data management)
Hardware support
Linux administration

Full Job Description

Description

High Performance Computing (HPC) Systems Administrator

The Leidos Defense Sector currently has an opening for a High Performance Computing (HPC) Systems Administrator to work in our San Diego, California office. This is an exciting opportunity to use your experience supporting the RIPTIDE environment. The High Performance Computing (HPC) Systems Administrator will leverage technical expertise to collaborate with the existing HPC team, architects, and engineers in supporting the computational needs of the Defense Sector. Reporting to the IT Security Engineering Manager, the Systems Administrator will ensure that the HPC cluster is maintained at operational levels and support system users. Primary responsibilities include system administration, configuration, monitoring, troubleshooting, software maintenance, installations, SLURM management and job scheduling system for the Linux clusters, and optimization of advanced computing systems and related infrastructure.

Job Responsibilities:

Deploy, administer, and monitor Linux-based HPC clusters and storage systems.

Install, maintain, and upgrade software, libraries, and licensed applications.

Troubleshoot and resolve system, hardware, and application issues across HPC

environments.

Develop and maintain scripts for system administration, monitoring, reporting, and

data pipeline optimization.

Provide technical support to system users; assist with project execution, benchmarking, and resource planning.

Research, deploy, and optimize resource management and scheduling systems.

Evaluate and manage a helpdesk ticketing system; ensure timely resolution of user-submitted issues.

Implement and manage HPC security infrastructure; ensure compliance with data handling policies and best practices.

Create and maintain technical documentation and user guides.

Consult system users to assess computational needs.

Minimum Qualifications:

To qualify you must have a bachelor’s degree in computer science or a related STEM field, combined with 3-5+ years of dedicated HPC or large-scale Linux system administration experience.

Advanced knowledge of SLURM Workload Manager configurations, including accounting, resource limits, fair-share scheduling, and node state management.

Hands-on experience with automation frameworks like ansible.

Proficiency in scripting languages such as Bash, Python, or Perl for system administration and automation.

Strong troubleshooting skills across systems, hardware, network, and application layers.

Familiarity with software installation, configuration, and maintenance.

Knowledge of security best practices, including the handling of protected data.

Excellent communication and documentation skills. Qualified candidates must be able to effectively communicate with all levels of the organization.

Preferred Qualifications:

Red Hat Certified System Administrator and/or Engineer Certification.

Experience in integrating HPC resources.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

July 21, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

Refine Your Search

site administrator jobs in san diego, ca

High Performance Computing (HPC) Systems Administrator

Clinical Site Contracts Administrator

Systems Administrator

User Support & Junior Systems Administrator

Health System Administrator

System Administrator - Cloud and SaaS

System Administrator

Site Administrator

IT Systems Administrator

Learning Systems Administrator

Systems Administrator

Junior Level Systems Administrator

Systems Administrator, Windows

IT Systems Administrator

Systems Administrator

IT Systems Administrator, Mid

SCIF System Administrator

System Administrator I

Network and Computer Systems Administrator

FPC Enterprise Systems Administrator

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