99 windows systems administrator jobs at 71 companies in Winnetka, CA
1mo
Save
Mark Applied
Hide
Principal Windows Systems Administrator - Top Secret required
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
5+ YOEActive transferable Top Secret clearance, bachelor\u0002s+5yrs (or master\u0002s+3yrs) experience, CompTIA Security+ CE or equivalent, OS certification, NetApp and backup experience, VMware and Windows administration skills.
Redhat Enterprise Linux, NetApp, iscsi, NAS, SAN, Veritas Netbackup, BackupExec, Veeam, VMware, VDS, Microsoft Windows, Splunk, Nessus, Symantec, SCCM, Microsoft Visio, Cisco, Brocade
3d
Save
Mark Applied
Hide
Systems Administrator
Santa Clarita, California, United States
$32-$37/hr OnsiteFull Time
3+ YOEThree years of relevant systems administration experience preferred in academia; expertise with Mac, Windows, and Unix; Microsoft Office, Google, and Adobe applications; hardware troubleshooting and communication skills.
Mac, Windows, Unix, Microsoft Office, Google, Adobe
2w
Save
Mark Applied
Hide
Systems Administrator
Woodland Hills, California, United States
$105k-$115k/yr OnsiteFull Time
5+ YOERequires 5+ years of systems administration experience, Microsoft enterprise technologies, hybrid cloud, identity platforms, Windows Server, virtualization, Intune, PowerShell, networking, and monitoring platforms.
Microsoft 365, Microsoft Entra ID, Active Directory, Exchange Online, Microsoft Teams, Microsoft SharePoint Online, Windows Server, VMware, Hyper-V, Microsoft Intune, PowerShell, SAML, SCIM, SSO, DNS, DHCP, SMB, iSCSI, Azure, Linux, Red Hat Enterprise Linux, SQL, Databricks, Jira Service Management
1w
Save
Mark Applied
Hide
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)
6d
Save
Mark Applied
Hide
Systems Administrator
Simi Valley or Albuquerque
$101k-$153k/yr OnsiteFull Time
5+ YOEFive or more years in identity management, systems administration, or IT operations; Okta, Active Directory, Windows Server, IAM, RBAC, SSO, MFA, troubleshooting, documentation, and ticketing experience required.
Okta, Microsoft Active Directory, Windows Server, macOS, Linux, Jamf, Microsoft Entra ID, Microsoft 365, PowerShell
3d
Save
Mark Applied
Hide
Systems Administrator
Santa Clarita, California, United States
$32-$37/hr OnsiteFull Time
3+ YOEThree years of relevant systems administration experience, preferably academic; expertise with Mac, Windows, and Unix; Microsoft Office, Google, and Adobe proficiency; related undergraduate degree or equivalent experience.
Mac, Windows, Unix, Microsoft Office, Google, Adobe
5d
Save
Mark Applied
Hide
Systems Administrator
La Jolla or Temecula or El Segundo or Beverly Hills or Newport Beach or San Diego or San Diego or California
$91k-$122k/yr OnsiteFull Time
Several years of systems administration or enterprise IT support experience, with strong Windows Server, Active Directory, VMware, Entra ID, Intune, networking, backup, security, troubleshooting, and documentation expertise.
Active Directory, VMware, Microsoft Entra ID, Microsoft Intune, DHCP, DNS, Windows Server, Group Policy, IAM, PAM, VPN, LAN/WAN, TCP/IP
2mo
Save
Mark Applied
Hide
Systems Administrator
Port Hueneme, California, United States
$108k-$145k/yr OnsiteFull Time
3+ YOEBachelor's in CS/IS/Engineering, 3+ years systems administration experience, active Top Secret (T5) clearance, IAT Level II (DoD 8570/8140) certification required; experience with Windows/Linux, virtualization, and cybersecurity.
Windows, Linux, firewalls, antivirus solutions, intrusion detection systems, virtualization
1mo
Save
Mark Applied
Hide
Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
2d
Save
Mark Applied
Hide
Systems Administrator
Brea, California, United States
$95k-$125k/yr OnsiteFull Time
Hands-on hybrid cloud, Azure, networking, Windows Server, and security administration experience; active Secret clearance, U.S. citizenship, and CompTIA Security+ required.
Microsoft Azure, Entra ID, Microsoft Intune, PowerShell, Windows Server, Active Directory, Azure Foundry, Microsoft Purview, Microsoft Defender, Copilot, CMMC, NIST 800-171, RADIUS, VLAN, ACL, WAN, SSP, POA&M
1mo
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
2w
Save
Mark Applied
Hide
Journeyman Systems Administrator
Camarillo or Point Mugu
$125k-$150k/yr OnsiteFull Time
5+ YOERequires 5+ years of systems administration experience, Windows or UNIX/Linux expertise, Security+ or equivalent certification, high school diploma/GED, and active Top Secret clearance with SAP eligibility.
Windows, UNIX, Linux, Windows Server, Risk Management Framework (RMF), Authority to Operate (ATO), Information Assurance (IA), STIG, ACAS, IAVM, Configuration Control Board (CCB), Configuration Management Plans (CMPs)
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+
1mo
Save
Mark Applied
Hide
Senior Systems Administrator
Long Beach, California, United States
$103k-$155k/yr OnsiteFull Time
6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux, Active Directory, DNS, DHCP, enterprise backup solutions; scripting/automation and cloud (Azure/GCP) experience; strong troubleshooting and documentation skills.
Linux, Windows, Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell
2mo
Save
Mark Applied
Hide
Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
2+ YOE2+ years IT support/systems administration experience; Microsoft 365/Entra ID/Intune knowledge; endpoint, networking, and cloud (Azure/AWS) familiarity; PowerShell and troubleshooting skills; compliance/audit documentation experience.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Defender, Microsoft Exchange, Microsoft Teams, Microsoft SharePoint, Windows, macOS, Linux, PowerShell, Microsoft Azure, AWS, GCC High, Ubiquiti, UniFi, Zoom, PSA, RMM, VPN, LAN, WAN, WiFi, TCP/IP, DNS, DHCP, VLAN, NAC
1mo
Save
Mark Applied
Hide
Information Systems Administrator
Hawthorne, California, United States
OnsiteFull Time
4+ YOE4+ years in system administration/DevOps/cloud/network support; experience with Linux/macOS/Windows, scripting (BASH/Shell/YAML), IaC (Terraform/Ansible/Puppet), Azure/AWS, IdP/SAML, cybersecurity (CompTIA Security+), and ability to obtain/maintain security clearance.
Linux, macOS, Windows, BASH, Shell, YAML, Terraform, Ansible, Puppet, Microsoft Azure, Amazon Web Services, IdP, SAML
3w
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
21h
Save
Mark Applied
Hide
Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr OnsiteFull Time
7+ YOEBachelor's degree in IT, computer science, engineering, or related field; 7+ years in systems administration or infrastructure support. Advanced Windows, Microsoft 365, virtualization, networking, and troubleshooting expertise required.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Intune, SCCM, VMware, Hyper-V, TCP/IP, ServiceNow, ITSM, CAB
1d
Save
Mark Applied
Hide
Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr HybridFull Time
7+ YOEBachelor's degree in a related field and 7+ years of systems administration or infrastructure support experience. Requires Windows Server, Active Directory, Microsoft 365, networking, virtualization, monitoring, ITIL, and advanced troubleshooting skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Teams, Microsoft SharePoint, OneDrive, Intune, SCCM, TCP/IP, VMware, Hyper-V, ServiceNow, ITSM
2mo
Save
Mark Applied
Hide
Network Systems Administrator
San Salvador or Los Angeles
OnsiteFull Time
7+ YOE7–8 years experience designing, configuring, and maintaining Windows and Linux platforms, hypervisors (KVM, ESXi, Hyper-V), network services (SD-WAN, IPsec, SBCs, QoS, TACACS), automation and scripting, HA systems, and system troubleshooting.
Windows, Linux, KVM, ESXi, Hyper-V, Dell, HP, Intel, Super Micro, SSHd, IPsec, SBCs, QoS, AAA, TACACS, syslog, iPerf, firewalld, SQL, ACLs, VRFs, RAID
Explore Jobs