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31 infrastructure administrator jobs at 26 companies in Murrieta, CA

1mo
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Infrastructure Deployment Administrator
Costa Mesa, California, United States
$129k-$171k/yr FieldFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOE3+ years implementing and supporting IP networks (BGP/OSPF); hands-on experience with Cisco/Arista and Palo Alto; familiarity with Linux/Windows/VMware/cloud; scripting/automation experience; able to travel ~40%, lift 40 lbs, and obtain Secret clearance.
Lattice OS, BGP, OSPF, VRFs, VLANs, VXLAN, STP, EtherChannel, IOS XE, NXOS, EOS, Palo Alto, Panorama, NGFW, Red Hat Enterprise Linux, Windows Server (2022, 2025), VMware (vSphere), VMware ESXi, Azure, AWS, GCP, Linux KVM, Hyper-V, Docker, Python, Nornir, Jinja, Ansible, Terraform
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4d
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Infrastructure Engineer
Corona or Norco
$115k-$135k/yr OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
4+ YOEBachelor's degree in a relevant field, 4 years of system administration experience, 3 years installing patches and managing system updates, IAT Level II certification, and Secret clearance required.
Microsoft Windows, Linux, Unix, Microsoft Office Suite, firewalls, anti-virus, intrusion detection services
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2mo
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IS System Administrator
Temecula, California, United States
$123k-$135k/yr OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
IT systems administration; AD governance; Azure; VDI; enterprise infrastructure experience.
Active Directory, Azure, VMware Horizon, VDI, Enterprise Cloud Identity, Hypervisor
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1w
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Network Administrator
Rancho Cucamonga, California, United States
$122k-$159k/yr OnsiteFull Time
Cucamonga Valley Water District
Cucamonga Valley Water District: Provides water, wastewater, and recycled water utility services.
5+ YOERequires 5 years of enterprise systems and LAN/WAN administration experience, a bachelor's degree, CCNA or CCNP, California Class C driver's license, and expertise in networks, cloud infrastructure, Windows servers, security, and Microsoft O365.
SIEM, IPS, NIST, CIS, ISO 27001, COBIT, PCI DSS, Microsoft O365, Active Directory, Windows, LAN, WAN, Intranet, Internet, VMware, Palo Alto, Microsoft
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3w
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Capital Infrastructure Projects Professional
Irvine, California, United States
$137k-$150k/yr FieldFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
2+ YOEMaster's in Civil Engineering or related (or Bachelor's + additional experience), 2+ years relevant experience, knowledge of traffic/transportation infrastructure, construction contract administration, and project documentation.
Microsoft Excel, VBA, Microsoft Office, Procore, Bluebeam, ArcGIS, Caltrans CEM forms, Primavera P6
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1mo
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
CTC Global
CTC Global: Manufactures advanced composite cores for high-voltage electricity transmission cables.
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
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3d
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System Administrator II
Colorado Springs or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco or United States
$110k-$120k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
3+ YOERequires 3–5 years of Windows or Linux systems administration, Security+ certification, bachelor's degree or equivalent experience, Secret clearance eligibility, and enterprise infrastructure experience.
Active Directory, DNS, DHCP, Group Policy, VMware vSphere, ESXi, Hyper-V, Azure, AWS, GCC High, STIG, IAVA, NIST, FedRAMP, CMMC, RMF, PowerShell, Bash, Python, Ansible, SCCM, MECM, Chef, Puppet
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1w
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CMDB Administrator
Costa Mesa or Coppell
$110k-$146k/yr OnsiteFull Time
Auto Club Enterprises
Auto Club Enterprises: Provides roadside assistance, insurance, and travel services to members.
3+ YOERequires 3–5 years of CMDB, ITSM, or infrastructure experience; ServiceNow or BMC Helix proficiency; reconciliation, normalization, data modeling, troubleshooting, documentation, and governance skills.
BMC Helix CMDB, BMC Discovery, SCCM, Flexera, MS-SQL, ServiceNow, PowerShell, Python
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2w
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IT Database Administrator Sr.
Irvine, California, United States
$104k-$174k/yr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics CorporationTokyo Stock Exchange: 6752: Provides in-flight entertainment and connectivity systems for airlines.
5+ YOERequires a related bachelor's degree and/or Microsoft SQL certifications, 5+ years of Microsoft SQL Server administration and enterprise distributed computing experience, and strong PowerShell, T-SQL, Azure, VMware, and database infrastructure skills.
Microsoft SQL Server, SQL Server 2019, Azure SQL, PowerShell, T-SQL, VMware, Microsoft Windows Server, IaaS, PaaS
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3mo
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Network Infrastructure Engineer (23587)
Rancho Cucamonga, California, United States
$118k-$170k/yr HybridFull Time
Sumitomo Rubber North America
Sumitomo Rubber North AmericaTokyo Stock Exchange: 5110: Manufactures and distributes high-performance tires for cars and motorcycles.
6+ YOE5-7 years in network administration/engineering; BS in CS/IT or related field or equivalent experience; TCP/IP, routing, switching, VLANs; routers/switches/firewalls; VPNs and ACLs; Python for automation; AWS/Azure; Linux; occasional overnight travel.
Palo Alto firewalls, VPN, Cisco Meraki, Cisco switching, AWS, Azure, Linux, Python
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2d
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IT ENTERPRISE SYSTEM ADMINISTRATOR III
San Diego or La Jolla
$97k-$122k/yr OnsiteFull Time
Scripps Research
Scripps Research: Conducts biomedical research and develops novel drug therapies.
6+ YOEBachelor’s degree or equivalent and 6+ years of system administration experience in hybrid Windows and Unix environments. Requires cloud, directory, storage, backup, virtualization, scripting, and infrastructure-as-code expertise.
Microsoft 365, Active Directory, Entra ID, Azure, AWS, Windows Server, Linux Server, Microsoft Windows Server, NetApp, Cisco UCS, VMware VCF, PowerShell, csh, sh, tcsh, ksh, DNS, SAN, NAS, Exchange Server
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1mo
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IT Services Administrator
Brea, California, United States
$71k-$80k/yr OnsiteFull Time
T&T Supermarket
T&T Supermarket: Operates a chain of Asian-focused grocery supermarkets.
5+ YOEBachelor's degree or equivalent, 5+ years systems/IT infrastructure experience, experience with enterprise/ERP systems (SAP preferred), familiarity with AI productivity tools, strong security and troubleshooting skills.
SAP S/4HANA, SAP Joule, Microsoft Copilot, ChatGPT
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1w
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Information Technology Administrator
Claremont, California, United States
$93k-$112k/yr OnsiteFull Time
City of Claremont
City of Claremont: Provides municipal services and public safety to Claremont residents.
5+ YOEFive years of progressive IT support experience or equivalent, a bachelor's degree in computer science or information systems, and a valid California driver's license. Network, systems, database, and enterprise infrastructure expertise required.
Microsoft Windows Server, Active Directory, Microsoft 365, Microsoft Entra ID, Microsoft Azure, VMware vSphere, VMware vCenter, Hyper-V, Fortinet, FortiGate, FortiSwitch, FortiAP, FortiManager, FortiAnalyzer, FortiAuthenticator, DNS, DHCP, VPN, VLANs, Exchange Online, MFA, Conditional Access, CAD/RMS, CJIS, CLETS
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2w
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Operational Technology Administrator
Rancho Cucamonga, California, United States
OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
1+ YOEBachelor’s degree with 1–2 years of OT systems experience, or high school diploma/GED with 3–5+ years. Requires industrial OT, network infrastructure, OT security, patch management, and incident response experience.
Operational Technology (OT), laser-guided vehicles, Human-Machine Interface (HMI), historians, servers, remote access, network devices, Industrial Control Systems (ICS), switches, routers, gateways, firewalls
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1mo
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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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1d
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Infrastructure & Capital Projects – Project Administrative Coordinator, ANS
Chino Hills, California, United States
$80k-$100k/yr OnsiteFull Time
Accenture Infrastructure & Capital Projects
Accenture Infrastructure & Capital ProjectsNYSE: ACN: Provides management and consulting for large infrastructure projects.
5+ YOERequires 5+ years in project, contract, or administrative coordination; experience with engineering or construction projects, procurement, invoicing, cost tracking, records, reporting, and Microsoft 365, ERP, and project systems.
Microsoft 365, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams, SAP, ERP, Smartsheet, Power BI, Adobe, Bluebeam
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2mo
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Cloud Operations Engineer - Infrastructure
Irvine, California, United States
OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
2+ YOEBachelor's in CS or related, 2+ years cloud infrastructure/Kubernetes experience, strong AWS (EKS, IAM, VPC, EC2, S3) skills, Terraform/CI-CD automation, Linux administration, GitOps (FluxCD/ArgoCD), and willingness to join on‑call rotation.
AWS, EKS, IAM, VPC, EC2, S3, Kubernetes, CRDs, Helm, Cluster API, HPA, Cluster Autoscaler, CoreDNS, FluxCD, ArgoCD, Istio, Terraform, Go, Python, Linux
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2w
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Senior Software Engineer [Platform & Infrastructure Services]
Fullerton or United States or Saudi Arabia
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOESTEM degree and 5+ years of relevant experience required. Requires Windows or Linux deployment, automation, administration, COTS/FOSS integration, U.S. citizenship, and active Secret clearance.
Windows, Linux, Windows Server, Active Directory, Exchange, SQL Server, PowerShell, RDP, DNS, WSUS, Red Hat Enterprise Linux, Kickstart, bash, ssh/scp, VMware vSphere, ESXi, vCenter, Agile, SCRUM
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2mo
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MSP Systems Asministrator - On-Site in Huntington Beach
Huntington Beach, California, United States
OnsiteFull Time
CAL IT Group
CAL IT Group: Provider of managed IT, cybersecurity, and cloud services.
4+ YOE4+ years systems/infrastructure experience (MSP preferred); Microsoft certifications (MCSA, AZ-104, MS-102) or equivalent; hands-on Windows Server, Active Directory, Microsoft 365, virtualization, Azure/AWS, networking, backup/DR; valid driver's license; on-call participation.
Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, Group Policy, DNS, DHCP, VMware ESXi, Hyper-V, Microsoft Azure, Microsoft 365, Datto, Veeam, Acronis
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1w
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DevOps Engineer II
Irvine, California, United States
$139k-$165k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
3+ YOEBachelor’s degree and 3+ years in a developer-focused DevOps environment; requires infrastructure-as-code, cloud, Kubernetes, networking, systems administration, and estimation experience.
CloudFormation, Terraform, AWS, Microsoft Azure, Google Cloud, Kubernetes, Java, C#, Python, NodeJS, SQL, PowerShell, Bash, REST API, Microservices, Content Delivery Network (CDN)
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