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28 linux systems administrator jobs at 17 companies in Lake Elsinore, CA

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Linux Systems Administrator II
Fullerton, California, United States
$6k-$9k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
2+ YOEBachelor's degree or equivalent experience, two years of relevant systems administration experience, Linux server administration, troubleshooting, scripting, virtualization, cloud technologies, communication, and a valid California driver's license.
Linux, High Performance Computing (HPC), Docker, Podman, Singularity, Apptainer, Kubernetes, Ansible, Puppet, Chef, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform, Nagios, Prometheus, Grafana, Zabbix, Simple Linux Utility for Resource Management (SLURM)
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3w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
6+ YOEActive Secret clearance,6+ years Linux administration (RHEL/Ubuntu),DoD security/RMF experience,virtualization (VMware/Hyper-V/OpenShift),NetApp/Veeam,AD/IdAM,trellix,ability to lift 40lbs,DoD 8140.01 or equivalent certs.
RHEL, Ubuntu, DISA STIGs, NIST 800-53, VMware, Hyper-V, OpenShift, NetApp, Veeam, Trellix, Active Directory, IdAM, GPOs, DNS, DHCP, Splunk, Docker, LXD, Ansible, Puppet
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
6+ YOEActive Secret clearance, 6+ years Linux administration (RHEL/Ubuntu), 4+ years DoD/industrial security with RMF, 2+ years virtualized infrastructure (VMware/Hyper-V/OpenShift), Trellix, AD/IdAM, NetApp/Veeam experience, ability to lift 40lbs, DoD 8140.01 certs.
RHEL, Ubuntu, VMware, Hyper-V, OpenShift, Trellix, ePO, Active Directory, IdAM, GPOs, DNS, DHCP, NetApp, Veeam, Docker, LXD, Ansible, Puppet, Splunk
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
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Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years designing and implementing classified IT systems; experience with air-gapped systems, physical hardware, virtualization (VMware/Podman), Windows and Linux administration, DISA STIG hardening, NIST 800-53/RMF familiarity, automation, DoD 8570/8140 baseline certification, and active U.S. Top Secret clearance.
Lattice OS, Microsoft Windows, Microsoft Windows Server, Linux, VMware, Podman, Ansible, DISA STIGs, NIST 800-53, Risk Management Framework (RMF)
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Systems Administrator SME
Corona or Norco
$115k-$135k/yr OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
5+ YOERequires Secret clearance, IAT Level II certification, and extensive systems administration experience; qualifying paths include high school/GED plus 12+ years, bachelor's plus 8+ years, or master's plus 5+ years.
Windows, Linux, Unix, Microsoft Office Suite, firewalls, anti-virus, intrusion detection
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Systems Administrator Lead
San Bernardino, California, United States
$110k-$137k/yr OnsiteFull Time
Stater Bros. Markets
Stater Bros. Markets: Operates a chain of supermarkets in Southern California.
10+ YOE10+ years supporting enterprise Windows servers; expertise in Windows Server, Linux, Azure, Microsoft 365, Active Directory, virtualization, storage, networking, recovery, and infrastructure leadership. California driver's license required.
Windows Server, Red Hat Enterprise Linux, Unix, Azure, Microsoft 365, Entra ID, Intune, Microsoft Copilot, vLLM, Active Directory, Group Policy, VMware, Hyper-V, Docker, Kubernetes, LAN/WAN, SAN, DNS, DHCP, Exchange Online
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
Evans Manufacturing
Evans Manufacturing: A manufacturing supporting IT infrastructure across its operations.
2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.
Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox
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IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
Melissa
Melissa: Provides global address, identity, and contact data quality solutions.
Experience administering AWS, Linux (Ubuntu), Windows, Kubernetes and Docker; familiarity with EC2, ALB, EKS and Alibaba Cloud; participation in SOC2/ISO 27001/FedRAMP compliance; OSCAL/documentation automation; on-call support availability.
AWS, EC2, ALB, EKS, Alibaba Cloud, Kubernetes, Docker, Ubuntu, Linux, Windows, OSCAL (Open Security Controls Assessment Language), hypervisors
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District Network Systems Administrator
Mission Viejo, California, United States
$9k-$13k/mo OnsiteFull Time
South Orange County Community College District
South Orange County Community College District: Provides higher education and vocational training in Southern California.
4+ YOEAdminister and maintain district LAN/WAN, design network solutions, troubleshoot network issues, prepare technical specifications, and collaborate with campus network administrators.
Windows, Linux, network management software, web server software, anti-virus servers
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Senior Systems Analyst (68.26)
San Dimas, California, United States
$106k-$181k/yr OnsiteFull Time
Golden State Water Company
Golden State Water CompanyNYSE: AWR: Distributes regulated water to residential and commercial customers.
7+ YOE7+ years systems analysis experience, BS in Computer Science or equivalent, Oracle DB/CC&B experience preferred, SQL/PLSQL, Linux administration, troubleshooting, strong communication and change management skills.
Oracle Customer Care and Billing (CC&B), Oracle Business Intelligence Publisher, Automic Automation Manager, OpenText Exstream, Oracle Mobile Workforce Management (MWM), Customer Web Self-Service (CSS), Oracle Database, SQL, PL/SQL, SQL Developer, Toad, Linux, Oracle Weblogic Server, Enterprise Manager, Oracle Utilities SDK, Eclipse, Oracle SOA Suite, Oracle Integration, Java, Python, BI Publisher
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IT Systems Engineer II
La Mirada or United States
$58-$67/hr HybridFull Time
Biola University
Biola University: Private Christian university providing undergraduate and graduate degree programs.
2+ YOE2+ years systems engineering (3+ IT experience preferred). Expertise in Linux/Windows/macOS administration, cloud platforms (AWS, Azure), containerization (Kubernetes), GitOps, Ansible, identity and endpoint management, automation/IaC, security best practices, and use of AI for operational tasks.
Linux, Windows, macOS, iOS, Kubernetes, Google Workspace, Zoom, Microsoft 365, AWS, Azure, GitOps, Ansible, Entra ID, Intune, SCCM, Jamf
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Network Security Administrator
Tustin, California, United States
$150k-$180k/yr OnsiteFull Time
Design West Technologies
Design West Technologies: Designs and manufactures aerospace and defense electro-mechanical systems.
5+ YOE5–8 years in network/systems/cybersecurity; hands-on Palo Alto (NGFW, Prisma Access, Cortex XDR); Microsoft Windows Server, Linux, Microsoft Azure, Microsoft Entra ID; CMMC Level 2/NIST SP 800-171 knowledge; active or obtainable Secret clearance.
Palo Alto Networks, NGFW, Prisma Access, Cortex XDR, Microsoft Windows Server 2016\u00092022, Linux, Microsoft Azure, Microsoft Entra ID, Microsoft Active Directory, PowerShell, Bash
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(Senior) Quality Specialist for Distributed Systems (Riverside, CA, US)
Riverside, California, United States
OnsiteFull Time
SAP
SAPFrankfurt Stock Exchange: SAP: Developer of enterprise business software and cloud applications.
Experience with distributed systems, system administration on Linux, proficiency in two of Java/C++/Python, BS/MS in CS or Electrical Engineering, strong architecture and cloud platform knowledge.
Linux, Java, C++, Python, Hadoop, HDFS, Spark
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2mo
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System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
8+ YOE8+ years experience deploying and administrating enterprise ArcGIS or comparable systems; Windows/Linux sysadmin; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; Top Secret/SCI clearance and US citizenship; Bachelor\u0002s in STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, RDBMS, SQL, SQL Server, Oracle, PostgreSQL, Python, PowerShell, Javascript, C#, Windows, Linux
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Red Hat Certified Engineer (RHCE)
Corona, California, United States
$200k-$240k/yr OnsiteFull Time
Bowhead
Bowhead: Provides diversified technical and professional services to federal government agencies.
7+ YOERHCE or RHCA required; Bachelor's in CS/IT; 7+ years Linux system administration; experience with RHEL/OpenShift/Kubernetes, Ansible, Bash, Python, VMware; ability to obtain Secret clearance.
Linux, RHEL, CentOS, Rocky, Red Hat OpenShift, Kubernetes, VMware ESXi, Ansible, Bash, Python, CI/CD, DoD STIGs, RMF
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IT Support Services II - Help Desk
Palm Springs, California, United States
OnsiteFull Time
Courser
Courser: Provides managed IT services through a network of partner companies.
3+ YOE3+ years IT support or system administration experience, knowledge of Windows/Linux/macOS, networking (TCP/IP,DNS,DHCP,VPN), helpdesk tools, strong communication and troubleshooting skills.
Windows Server, Linux, macOS, TCP/IP, DNS, DHCP, VPN, ServiceNow, JIRA, Zendesk, ConnectWise, AWS, Azure, VMware, Hyper-V
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Senior IT Engineer
Irvine, California, United States
$140k-$180k/yr OnsiteFull Time
Turion Space
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
5+ YOE5+ years in IT operations or systems administration, expert scripting/automation (PowerShell, Python, Bash), config management (Ansible/Puppet/Chef), Windows and Linux administration, networking and virtualization, Azure AD/Entra ID and MDM experience, ability to obtain US security authorization.
Microsoft PowerShell, Python, Bash, Ansible, Puppet, Chef, Terraform, Git, Azure, AWS, Hyper-V, VMware, Microsoft Azure AD, Entra ID, MDM, Windows, Linux
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2w
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Senior Endpoint Protection Engineer
Charlotte or Newport Beach or Omaha
$125k-$153k/yr OnsiteFull Time
Pacific Life
Pacific Life: Provides life insurance, annuities, and investment products for financial security.
8+ YOE8+ years systems or security platform administration experience; hands-on CrowdStrike Falcon or comparable EDR; endpoint security, incident response, Windows/Linux/macOS support; scripting/automation experience preferred.
CrowdStrike Falcon, EDR, SIEM, ITSM, PowerShell, Python, Bash
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