43 windows systems administrator jobs at 35 companies in Menifee, CA
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Systems Administrator
Brea, California, United States
$85k-$120k/yr OnsiteFull Time
Bachelor's degree or equivalent experience, systems administration experience, Windows Server, Hyper-V, networking, security, cloud platforms, scripting, Active Directory, backups, and on-call support.
Windows Server, Windows Hyper-V, AWS, Azure, Bash, PowerShell, Python, Active Directory, Group Policy, Microsoft Certified Solutions Expert (MCSE)
3w
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Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
5+ YOE5+ years systems administration experience with Microsoft 365, Active Directory, Windows, networking, endpoint security, backups, and documentation; strong troubleshooting and communication skills.
Microsoft 365, Active Directory, Windows, DNS, DHCP, VPN, PowerShell, SIEM, EDR/MDR
2mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
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+
2mo
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Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
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)
3d
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Systems Administrator Lead
San Bernardino, California, United States
$110k-$137k/yr OnsiteFull Time
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
1w
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
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
2d
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Systems Administrator SME
Corona or Norco
$115k-$135k/yr OnsiteFull Time
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
1d
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IT Systems Administrator
Riverside, California, United States
$110k-$130k/yr OnsiteFull Time
3+ YOERequires 3+ years of desktop and systems support, Windows laptops and servers, Microsoft 365, Active Directory, Hyper-V, networking, security, documentation, and customer-service skills.
Windows 10, Windows 11, Windows Server 2025, Microsoft Hyper-V, Microsoft 365, Active Directory, Microsoft Entra ID, Group Policy, Exchange Online, Teams, SharePoint, OneDrive, DNS, DHCP, RingCentral, Cisco, Cisco Meraki, Unitrends, TeamViewer, VPN, VLANs
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Systems Administrator II
Anaheim, California, United States
OnsiteFull Time
3+ YOE3+ years IT user support experience preferred; working knowledge of TCP/IP, DNS, DHCP; experience with Windows servers, ITSM; bachelor’s degree or equivalent; ability to lift 25 lb and travel occasionally.
Windows, OT, IoT, TCP/IP, DNS, DHCP, ITSM, ITIL 4 Foundation
2d
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Cloud Systems Administrator III
Fullerton, California, United States
$7k-$10k/mo OnsiteFull Time
4+ YOEBachelor's equivalent and four years of relevant experience or equivalent substitution. Requires advanced systems administration, cloud, operating systems, server, scripting, virtualization, project management, analytical, communication, and stakeholder skills.
Amazon Web Services (AWS), AWS Organizations, CloudFormation, AWS Cloud Development Kit (CDK), AWS Command Line Interface (CLI), AWS Systems Manager, CloudWatch, CloudTrail, Config, GuardDuty, IAM Access Analyzer, AWS Backup, AWS Budgets, Cost Explorer, Terraform, Git, Linux, Windows Server, containers, serverless
4w
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IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
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
1mo
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District Network Systems Administrator
Mission Viejo, California, United States
$9k-$13k/mo OnsiteFull Time
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
1mo
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Systems Administrator II (Full Time)
Rancho Mirage, California, United States
OnsiteFull Time
3+ YOE3+ years property/user support experience; familiarity with PC hardware, Microsoft networks, Microsoft Operating Systems, Microsoft Exchange, Microsoft Office Suite and MAC OS; MCP preferred; strong verbal and written communication.
Microsoft Exchange, Microsoft Office Suite, Microsoft Operating Systems, MAC OS
3d
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102
1mo
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IT Business Systems Administrator - HYBRID
Anaheim, California, United States
$80k-$100k/yr HybridFull Time
6+ YOE3+ years IT operations in insurance (6+ years preferred), experience with Assure/Sapiens/Guidewire/Duck Creek/Majesco, knowledge of data privacy regulations (CCPA, GDPR, NYDFS), change management, vendor coordination, Windows and MS Office proficiency.
Assure Policy, Assure Claims, Sapiens, Guidewire Software, PolicyCenter, ClaimCenter, BillingCenter, Duck Creek Technologies, Majesco, DXC, Windows OS, Microsoft Office
1mo
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System Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOE6+ years administering Windows and Linux systems in classified environments; DoD RMF experience, SIPRNet administration, virtualization, networking, and DoD 8140.01 certification; active Secret clearance required.
Windows Server, Win 10, Win 11, Linux, Active Directory, TCP/IP, DNS, DHCP, VMware, Hyper-V, OpenShift, ACAS, SCAP, HBSS, Certificate Management, Radius, 802.1x, SIPRNet, Juniper, Palo Alto, Cisco, NetApp, Veeam, Splunk, Nessus, Microsoft Exchange Server
2w
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System Administrator
Oceanside, California, United States
$110k-$130k/yr OnsiteFull Time
3+ YOE3+ years IT help desk/systems administration experience; B.S. in IT or equivalent experience; proficiency with Microsoft AD/O365, VMWare, Windows Server, Mac OS X, backup/recovery and security frameworks.
Microsoft Office 365, Microsoft Active Directory, VMWare, Windows Server, Mac OS X, Network Attached Storage (NAS), NIST Cybersecurity Framework (NIST CSF)
3w
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
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
1w
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Network Administrator Sr.
Riverside, California, United States
OnsiteFull Time
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
1mo
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MSP Systems Asministrator - On-Site in Huntington Beach
Huntington Beach, California, United States
OnsiteFull Time
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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