104 windows administrator jobs at 82 companies in Colton, CA
1d
Save
Mark Applied
Hide
Network Administrator
Los Angeles or Monterey Park
$120k-$160k/yr OnsiteFull Time
7+ YOEBachelor's degree in computer science or related field and 7 years of systems and network administration experience. Requires Windows, networking protocols, security, virtualization, cloud, troubleshooting, and automation expertise.
Microsoft Windows, Windows Servers, DNS, DHCP, SMTP, HTTP, HTTPS, SFTP, Microsoft Active Directory Services, Entra ID, Office 365, Microsoft SharePoint, VPN Appliances, Cisco Meraki Appliances, Enterprise Antivirus, CrowdStrike, Zoom Administration, Microsoft Teams, VPNs, ACLs, IPSEC, SSL, PowerShell, VMware, Hyper-V, Rubrik Backup and Recovery, Nessus, Splunk
1mo
Save
Mark Applied
Hide
Systems Administrator
Victorville, California, United States
$79k-$100k/yr RemoteFull Time
5+ YOE5+ years systems administration experience supporting Microsoft Windows environments; account management, troubleshooting, hardware/software installation, patching, backups; BS in IT or equivalent experience; certification like CompTIA Security+/Network+/A+, MCP, or MCSA; travel required.
Microsoft Windows, Microsoft Office
2mo
Save
Mark Applied
Hide
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+
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Test Center Administrator (Prometric)
Diamond Bar, California, United States
OnsitePart Time
1+ YOEHigh School Diploma required; 1-2 years customer service experience; ability to read instructions; strong report writing; familiarity with Windows and browser use.
Windows, Internet Browser
3w
Save
Mark Applied
Hide
IT Administrator
Carson or Santa Fe Springs
OnsiteFull Time
2+ YOE2+ years IT admin/help-desk experience; strong Windows and Microsoft 365 skills; experience with Active Directory, Azure AD/Intune, VPN, networking, endpoint security, asset management, and troubleshooting.
Windows, Microsoft 365, Microsoft Office 365, Active Directory, Azure AD (Entra ID), Microsoft Intune, VPN, Microsoft Outlook, Microsoft Teams, Microsoft Azure, AWS, ERP, CRM, VoIP
2mo
Save
Mark Applied
Hide
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)
1d
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Service Administrator
City of Industry, California, United States
$22-$25/hr OnsiteFull Time
Provide exceptional customer service, manage repair orders, prepare estimates, coordinate repairs, strong accounting and data-entry skills, Windows and Karmak Fusion experience preferred, excellent communication and punctuality.
Microsoft Windows, Karmak Fusion
1w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
System Administrator - Level 4
Pasadena, California, United States
$107k-$160k/yr OnsiteFull Time
5+ YOE5+ years systems administration experience supporting mixed macOS/Windows/Linux environments; strong identity/access, MDM, networking, troubleshooting, documentation, and automation skills (Python/Bash/PowerShell).
Apple Business Manager, Google Workspace, Microsoft Entra ID, Intune, Python, Bash, PowerShell, MDM, SSO, SAML, SCIM, MFA, RBAC, VPNs, VLANs, Wi-Fi, Linux, NIST 800-171, CMMC
2mo
Save
Mark Applied
Hide
Server Administrator (on-site) (no relo)
Alhambra, California, United States
$44-$51/hr OnsiteFull Time
4+ YOE4+ years server administration experience; expertise with Windows Server, Linux, Active Directory, DNS, DHCP, GPOs, VMware vSphere/ESXi and Microsoft Hyper-V; DR/BC planning; Tier 3 Exchange support; healthcare/HIPAA compliance.
Dell PowerEdge, HP ProLiant, Windows Server, Linux, VMware vSphere/ESXi, Microsoft Hyper-V, Active Directory, Group Policy Objects (GPOs), DNS, DHCP, Microsoft Exchange, SAN, NAS
1d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Human Resources Administrator 2
Garden Grove, California, United States
$19-$30/hr OnsiteFull Time
3+ YOE3+ years HR experience, high school diploma or equivalent, familiar with Microsoft Windows and Office and HRIS, knowledge of HR recordkeeping, strong typing and interpersonal skills.
Microsoft Windows, Microsoft Office, HRIS
2mo
Save
Mark Applied
Hide
Junior IT Systems Administrator (part-time)
Pasadena or United States
$35-$45/hr HybridPart Time
1+ YOE1–3 years systems administration or IT support experience; experience with Active Directory/Microsoft Entra ID, MDM (Addigy, Jamf, Intune), Windows/macOS endpoints, networking fundamentals, cloud services, and ability to travel to Pasadena-area sites and lift up to 50 lbs.
Windows, macOS, Active Directory, Microsoft Entra ID (Azure AD), Addigy, Jamf, Microsoft Intune, TCP/IP, DNS, DHCP, VLANs, Windows 10/11, Windows Server, Cisco, Fortinet, pfSense, Meraki, Microsoft 365, Google Workspace, Exchange Online, Microsoft Teams, SharePoint, Microsoft Intune/Endpoint Manager, Freshservice, Freshworks, ServiceNow, Ubuntu, RHEL, CentOS, PowerShell, Bash, VMware vSphere, Microsoft Hyper-V, Proxmox, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP)
1mo
Save
Mark Applied
Hide
Senior SAP Basis Administrator
Irvine, California, United States
$115k-$172k/yr OnsiteFull Time
3+ YOE3+ years SAP Basis experience (3-5 preferred), 1 year SAP Security, bachelor’s degree preferred, US citizenship required, hands-on S/4HANA and HANA administration, cloud (AWS/Azure) and Linux/Windows experience, strong incident & DR skills.
SAP Basis, S/4HANA, RISE with SAP, SAP HANA 2.0, HANA System Replication (HSR), SAP GUI, TMS, SAP BTP, Cloud Connector, SuccessFactors, Ariba, SAP ECC 6.0, SAP 4.0B/AS 400, BW on HANA, PI/PO, Fiori, CRM, EWM, LVM, Solution Manager, BOBJ BI, BODS, GRC, Content Server, Java, Oracle, MS SQL, SQL, SUSE, RHEL, Linux, Windows Server Cluster, Hyper-Visor, AWS, Azure, VPN, VPC, VNET
Explore Jobs
Expand Your Job Search
Top Cities Near Colton for Windows Administrator
- Windows Administrator jobs in Anaheim, CA
- Windows Administrator jobs in Santa Ana, CA
- Windows Administrator jobs in Riverside, CA
- Windows Administrator jobs in Irvine, CA
- Windows Administrator jobs in San Bernardino, CA
- Windows Administrator jobs in Fontana, CA
- Windows Administrator jobs in Moreno Valley, CA
- Windows Administrator jobs in Huntington Beach, CA
- Windows Administrator jobs in Garden Grove, CA
- Windows Administrator jobs in Rancho Cucamonga, CA
- Windows Administrator jobs in Ontario, CA
- Windows Administrator jobs in Corona, CA
- Windows Administrator jobs in Pomona, CA
- Windows Administrator jobs in Pasadena, CA
- Windows Administrator jobs in Orange, CA
- Windows Administrator jobs in Fullerton, CA
- Windows Administrator jobs in Victorville, CA
- Windows Administrator jobs in El Monte, CA
- Windows Administrator jobs in Downey, CA
- Windows Administrator jobs in Costa Mesa, CA