Systems administrator jobs | Work For Warriors

Oct 23, 2026

Full time

Principal Windows Systems Administrator - Secret

$103,600 - $155,400 yearly

Northrop Grumman San Diego, CA

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. At the heart of Defining Possible is our commitment to missions....

Oct 23, 2026

Full time

Systems Administrator

$41.41 - $54.62 hourly

Liberty Military Housing Huntington Beach, CA

Liberty Military Housing – Own your passion for service! About Liberty Military Housing Liberty Military Housing is one of the largest providers of military family housing in the United States. In partnership with the US military, we are committed to delivering safe, high‑quality homes and exceptional service to the families of men and women who serve our country. We’re seeking dedicated team members for a variety of roles and offer excellent benefits, training, development, and opportunities for advancement. If you’re ready to grow your career and become an employee‑owner, explore our current opportunities today. What We Provide You: Liberty Military Housing is committed to supporting our team members in every aspect of life—from career development to family needs and overall health and wellness. We proudly offer a comprehensive and competitive benefits and incentive package that includes: Platinum-Level Medical, Dental &...

Oct 15, 2026

Full time

Linux Systems Administrator, Mid-Level

$100,000 - $110,000 yearly

Bowhead Corona, CA

Bowhead is seeking a highly skilled and experienced Mid-Level Linux System Administrator to join our dynamic IT team. This is a 100% onsite position located in Norco, CA. As a Linux Subject Matter Expert (SME), you will be responsible for the administration, maintenance, and support of our critical Linux-based infrastructure. Experience working within a Department of Defense (DoD) environment is highly desirable. This position is 100% onsite. • Systems Administrator administers and supports daily operational requirem• Linux Systems Administration: Install, configure, and maintain Linux servers (e.g., Red Hat, CentOS, Ubuntu) including operating system installation, patching, and security hardening. • Subject Matter Expertise: Serve as the primary point of contact and subject matter expert for all Linux-related issues, providing guidance and support to other team members. • Performance Monitoring and Optimization: Monitor system performance, identify...

Oct 15, 2026

Full time

Systems Administrator, Entry-Level

$65,000 - $85,000 yearly

Bowhead Corona, CA

Bowhead seeks an Entry-Level Systems Administrator to join our team supporting the Program Office for NSWC Corona, Corona Division in Norco, California. The Systems Administrator will work for the senior systems administrator analyzing complex and unique technical support assignments and lead or collaborate with other system administrators, cybersecurity personnel, and program analysts within an agile environment. This position is 100% onsite. • The systems administrator administers and supports daily operational requirements of computer network systems including workstation, file servers, and web servers. • Installation of hardware, software, systems upgrades, network accounts, network security, and web page design, interface and updates, and local system design documentation. • Cyber WorkForce (CWF) directives are maintained and up to date with respect to certifications • Maintain, troubleshoot, and implement network security tools including firewalls,...

Allied Universal Los Angeles/Orange County

Oct 05, 2026

Full time

Security Officer Full Time Badge Systems Administrator - Santa Fe Springs

$19.00 hourly

Allied Universal Los Angeles/Orange County Santa Fe Springs, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer Full Time Badge Systems Administrator in Santa Fe Springs, CA , you will serve and safeguard clients in a range of industries such as Logistics & Distribution, and more. As an Access Control Officer at a fast-paced distribution location, you will monitor entry points, verify credentials, manage visitor and badge access, and maintain a visible presence to help deter security-related incidents. You will deliver exceptional customer service and clear communication while supporting a caring, agile, reliable, and innovative team that acts with integrity. Position Type: Full Time Pay Rate: $19.00 / Hour Job...

Oct 05, 2026

Full time

Journeyman Network and Computer Systems Administrator

$80.00 - $100.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Journeyman Network and Computer Systems Administrator in Ridgecrest, CA . Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Full-Time Salary: $80k-$100k annually (depending on experience) Work Location: Onsite. China Lake, CA. Overview The Journeyman System and Server Administrator supports day‑to‑day administration, sustainment, and security of Linux and Windows server and client environments. This role focuses on executing established procedures, responding to operational needs, and supporting compliance and patching activities. Essential Functions: Administer and maintain Red Hat Enterprise Linux (RHEL) systems Support containerized environments using tools such as Podman or Docker...

Oct 05, 2026

Full time

Journeyman Network and Computer Systems Administrator

$80.00 - $100.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Journeyman Network and Computer Systems Administrator in Ridgecrest, CA to support the design, implementation, operation, maintenance, and security of enterprise network and computing environments. The selected candidate will provide technical expertise in routing, switching, network security, wireless technologies, systems administration, cybersecurity compliance, and infrastructure modernization efforts supporting mission-critical operations. Position Type: Full-Time Salary: $80k-$100k annually (depending upon experience) Work Location: Onsite. Essential Functions: Design, configure, implement, maintain, and troubleshoot enterprise network and computer systems. Support WAN, BAN, LAN, and wireless (Wi-Fi) infrastructure. Administer routers, switches, firewalls, and related network devices. Monitor network performance, resolve connectivity issues, and implement security controls. Perform system hardening, STIG compliance, vulnerability...

Oct 05, 2026

Full time

Journeyman Network and Computer Systems Administrator

$110.00 - $120.00 hourly

Saalex Solutions, Inc. Camarillo, CA

Saalex is seeking a Journeyman Network and Computer Systems Administrator in Camarillo, CA to support the design, implementation, operation, maintenance, and security of enterprise network and computing environments. The selected candidate will provide expertise in network infrastructure management, routing and switching, wireless technologies, cybersecurity compliance, systems administration, and infrastructure modernization in support of mission-critical operations. Position Type: Full-Time Salary: $110k-$120k annually (depending upon experience) Work Location: Onsite. Essential Functions: Design, configure, implement, troubleshoot, operate, and maintain enterprise network and computer systems. Administer and manage Wide Area Networks (WANs) and Base Area Networks (BANs). Configure and support routing, switching, and network security solutions. Deploy, maintain, and troubleshoot wireless (WiFi) network technologies. Perform...

Oct 05, 2026

Part time

Junior Systems Administrator

$36.00 - $38.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Junior Systems Administrator in Ridgecrest, CA. Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Part-Time Salary: $36.00-$38.00 Hourly (depending upon experience) Work Location: Full-time onsite at China Lake, CA. About the Opportunity: Are you an experienced Red Hat Certified System Administrator (RHCSA) looking for high-impact technical work paired with the flexibility of a part-time schedule? At Saalex Solutions, we support vital Department of Defense tactical training systems and test range capabilities. We are actively seeking a Senior Red Hat & Cloud Systems Administrator—while targeting a Senior, motivated Journeyman-level professionals with the right mindset, strong technical...

Oct 05, 2026

Full time

Network and Computer Systems Administrator

$100.00 - $135.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Network and Computer Systems Administrator in Ridgecrest, CA. Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Full-Time Salary: $100k-$135k annually (depending upon experience) Work Location: Full-time onsite. Position Overview: Provides system administration and cybersecurity support for Link Inject to Live (LITL) systems operating within Live, Virtual, and Constructive (LVC) environments. Supports installation, operation, sustainment, and cybersecurity compliance of systems integrating live platforms with simulated training environments in accordance with DoD standards and contract requirements. Key Responsibilities Administer, maintain, and troubleshoot LITL systems and supporting...

Oct 05, 2026

Full time

Senior Network and Computer Systems Administrator

$105.00 - $120.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Senior Network & Systems Administrator in Ridgecrest, CA to support the design, implementation, security, and sustainment of enterprise network and computing environments. The selected candidate will serve as a technical lead for network infrastructure, cybersecurity compliance, systems administration, and modernization initiatives supporting mission-critical operations. Position Type: Full-Time Salary: $105k-$120k annually (depending on experience) Work Location: Onsite. Ridgecrest, CA. Essential Functions: Design, implement, administer, and troubleshoot enterprise network and computer systems. Support WAN, BAN, LAN, and wireless (Wi-Fi) infrastructure, including routers, switches, firewalls, and related technologies. Lead network modernization, upgrades, patching, firmware updates, and infrastructure sustainment activities. Implement network security controls, system hardening, STIG compliance, and vulnerability...

Oct 05, 2026

Full time

Senior Network and Computer Systems Administrator

$130.00 - $140.00 hourly

Saalex Solutions, Inc. Camarillo, CA

Saalex is seeking a Senior Network & Systems Administrator in Camarillo, CA to support the administration, security, modernization, and sustainment of enterprise server and network environments. The selected candidate will serve as a technical resource responsible for maintaining secure, reliable, and compliant infrastructure supporting mission-critical operations. This role requires extensive experience with Windows and Linux administration, cybersecurity compliance, automation, patch management, enterprise services, and server lifecycle support. Position Type : Full-Time Salary Range: $130K-$140K (depending on experience) Work Location: Onsite. Essential Functions: Administer, maintain, and troubleshoot enterprise Windows and Linux server environments. Manage and support DNS, DHCP, Active Directory domain services, and Group Policy Objects (GPOs). Implement and maintain security controls, compliance baselines, and DISA STIG requirements. Perform server...

Oct 05, 2026

Part time

Senior Systems Administrator

$38.00 - $40.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Senior Systems Administrator in Ridgecrest, CA. Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Part-Time Salary: $38.00-$40.00 Hourly (depending upon experience) Work Location: Full-time onsite at China Lake, CA. About the Opportunity: Are you an experienced Red Hat Certified System Administrator (RHCSA) looking for high-impact technical work paired with the flexibility of a part-time schedule? At Saalex Solutions, we support vital Department of Defense tactical training systems and test range capabilities. We are actively seeking a Senior Red Hat & Cloud Systems Administrator—while targeting a Senior, motivated Journeyman-level professionals with the right mindset, strong technical...

Oct 05, 2026

Full time

Systems Administrator

$75.00 - $82.00 hourly

Saalex Solutions, Inc. Ridgecrest, CA

Saalex is seeking a Systems Administrator in China Lake, CA . Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Full-Time Salary: $75k-$82k annually (depending on experience) Work Location: Onsite. Position Summary: We are seeking an Entry/Intermediate-level System Administrator (SA) to support the Aircrew Electronic Warfare Tactical Training Ranges (AEWTTR) program to provide support to the Threat Support Systems (TSS) environment. The SA, located at China Lake, CA, will have local program support responsibilities. This position requires the ability to work independently with minimal oversight and guidance, including preparing professional reports and cybersecurity documentation with direct guidance and oversight....

Sep 21, 2026

Full time

Senior Associate, Systems Administrator (Carlsbad) (TS/SCI with FS Poly)

$83,000 - $118,000 yearly

L3Harris Carlsbad, CA

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Associate Systems Administrator Job Code: 44350 Job Location: Carlsbad, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a...

Aug 27, 2026

Full time

Systems Administrator (COF)

$7,835 - $11,079 yearly

Kern Community College District Bakersfield, CA

Basic Function Under the direction of the Assistant Director of Information Technology, provide support for systems infrastructure district wide including Servers, Operating Systems, Virtualization, Enterprise Storage, Microsoft solutions such as Active Directory and Exchange, Backup and Recovery systems and related infrastructure. DISTINGUISHING CHARACTERISTICS: The Systems Administrator is distinguished from the Systems Administration Manager by a focus on providing immediate systems infrastructure support and by receiving direction from the Manager. Representative Duties Work with District Office and College IT staff to assess, prioritize, respond to, troubleshoot and resolve Systems related support issues in a timely manner Implement provisioning standards and methods for agile server deployment and decommissioning Utilizing industry best practices, develop and implement day-to-day and long-term management procedures for Systems infrastructure Assist with research,...

Oct 05, 2026

Full time

Journeyman Systems Administrator

$125.00 - $150.00 hourly

Saalex Solutions, Inc. Camarillo, CA

Saalex is seeking a Journeyman System Administrator to support the Airborne Instrumentation Division in Camarillo/Naval Air Station Point Mugu, CA . The selected candidate will provide systems administration and cybersecurity support for Windows and UNIX/Linux environments while assisting with Risk Management Framework (RMF), Authority to Operate (ATO), and Information Assurance (IA) activities. This position supports mission-critical systems and requires close coordination with cybersecurity personnel, system owners, engineers, and government stakeholders. Position Type: Full-Time Salary: $125k -$150k annually (depending on experience) Work Location: Onsite – NAS Point Mugu, CA Essential Functions: Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure. Support RMF documentation activities and system authorization efforts. Assist with development, maintenance, and submission of accreditation documentation. Implement and maintain...

Oct 05, 2026

Full time

Senior Systems Administrator

$150.00 - $175.00 hourly

Saalex Solutions, Inc. Camarillo, CA

Saalex is seeking a Senior System Administrator in Camarillo/Naval Air Station Point Mugu, CA . The selected candidate will serve as a senior technical resource responsible for systems administration, cybersecurity compliance, RMF support, vulnerability management, configuration management, and enterprise infrastructure support across multiple mission-critical systems. This position requires extensive experience supporting secure DoD environments and the ability to lead technical efforts across diverse operating environments. Position Type: Full-Time Salary: $150k - $175k annually (depending on experience) Work Location: Onsite – NAS Point Mugu, CA Essential Functions: Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting mission operations. Serve as a senior technical advisor for RMF, cybersecurity compliance, and system authorization efforts. Lead preparation, maintenance, and submission of accreditation packages and...

Oct 14, 2026

Full time

Principal Windows Systems Administrator - Secret

$103,600 - $155,400 yearly

Northrop Grumman San Diego, CA

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. At the heart of Defining Possible is our...

Oct 06, 2026

Full time

1773 - System Administrator

$115,000 - $135,000 yearly

Sigma Defense March Air Reserve Base, CA

Sigma Defense is seeking a System Administrator to join our team at March Air Reserve Base. This position plays a key role in maintaining secure Department of War information systems by administering Windows and Red Hat Enterprise Linux (RHEL) environments, performing routine maintenance and patching, and ensuring reliable system operations. The Systems Administrator works closely with the engineering and cybersecurity teams to maintain secure, stable, and mission-ready infrastructure supporting Department of War operations. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Essential Job Duties (not all-inclusive): Install, configure, maintain, and...

1329 systems administrator jobs found