43 windows server administrator jobs at 28 companies in Frederick, CO
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Staff Windows System Administrator - TS/SCI W/Poly - Littleton, CO
Littleton, Colorado, United States
$105k-$184k/yr OnsiteFull Time
Active TS/SCI with poly, U.S. citizenship, IAT II, SME in Active Directory and Windows Server, virtualization (VMware/Hyper-V), server hardware maintenance, vulnerability remediation, and tooling such as Nessus and Splunk.
Active Directory, Windows Server, VMware, Hyper-V, HPE, Dell, HP OneView, iLO, iDRAC, Nessus, Trellix, Microsoft WSUS, Microsoft MECM, Ivanti, Splunk, NetApp, Nimble, Ansible, PowerShell, Terraform, Chef, Puppet, KVM, Nutanix, RDS, HorizonView, Xen
3w
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Windows Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOETS/SCI polygraph eligible, 2+ years related experience or equivalent, experience with Windows Server, patching, SCCM/MECM, Group Policy, Tenable/SCAP, VMware/VDI, and strong documentation and communication skills.
Windows Server, SCCM, MECM, Tenable, SCAP, VMware, VDI, Active Directory, Group Policy, PowerShell, Sentinel 1, RSA, PING-Id, Commvault, Veeam, PPDM, Networker, JIRA
2mo
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Cloud Administrator
Denver or Ann Arbor or Flint or Indianapolis or Westland or Ann Arbor or Austin
$68k-$71k/yr HybridFull Time
5+ YOE5+ years in VMware/vSphere, cloud environments; Windows Server, Active Directory; OS/app/hypervisor administration; on-call readiness.
VMware vSphere, vSAN, Public/Private/Hybrid Cloud, Windows Server, Active Directory, Veeam, Networking
1mo
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Systems Administrator-Cleared
Denver or Folsom
$120k-$165k/yr OnsiteFull Time
3+ YOEActive TS/SCI required, 3+ years systems administration experience; manage Microsoft 365/Azure, Intune, Okta, AD, Windows/Linux servers, virtualization, Fortinet networking, and scripting (PowerShell/Bash/Python).
Microsoft 365, Microsoft Azure, Microsoft Intune, Okta, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Defender, Windows Server, Linux, Ubuntu, RHEL, CentOS, VMware vSphere, Hyper-V, Fortinet, FortiGate, FortiSwitch, FortiClient, Active Directory, PowerShell, Bash, Python, ServiceNow, Jira Service Management
2mo
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Cloud Administrator
Denver or Ann Arbor or Flint or Indianapolis or Westland or Ann Arbor or Austin
$68k-$71k/yr HybridFull Time
5+ YOE5+ years in VMware/vSphere and cloud environments; Windows server, Active Directory, networking; on-call rotation; bachelor’s degree or equivalent experience; certifications preferred.
VMware vSphere, vSAN, Windows Server, Active Directory, Networking, Public/Private/Hybrid Cloud
1w
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
3+ YOE3+ years enterprise networking experience; strong TCP/IP knowledge; experience with Cisco/Fortinet/Cumulus; BGP/OSPF/VLANs; Windows Server/AD; cloud networking; industry certifications preferred.
Fortinet, Cisco IOS, Fort iOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory
1mo
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Systems Administrator - Active Polygraph Required
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
0+ YOEActive Top Secret/SCI with adjudicated Full Scope Polygraph required; Linux and Windows server administration, VMware and NAS (NetApp/ONTAP) experience; DOD 8570 IAT Level 2 (or obtain within 6 months); ability to lift 40 lbs and support after-hours; travel ~25%.
Linux, Red Hat Enterprise Linux, Windows Server, Windows 10, VMware, ESXi, NAS, NetApp, ONTAP 8.x, CDOT, Splunk, Tenable, Nessus, iptables, Active Directory, Microsoft SharePoint, Group Policy (GPOs)
4w
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Systems Administrator
Denver, Colorado, United States
$99k-$209k/yr HybridFull Time
8+ YOEAbility to obtain DoD clearance and DHS EOD; 8+ years relevant experience (or 14 without degree); experience administering Windows Server 2016 and Windows 10, Active Directory, SCCM, Microsoft SQL, Nutanix, Veritas Backup Exec, and ServiceNow; strong communication and documentation skills.
Windows Server 2016, Windows 10, Microsoft System Center Configuration Manager (SCCM), Microsoft Active Directory, Microsoft SQL 2016, Nutanix, Veritas Backup Exec, ServiceNow
2mo
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System Administrator III
Denver, Colorado, United States
HybridFull Time
7+ YOE7+ years system administration experience with Windows Server, Active Directory, virtualization, Azure, Microsoft 365, Intune, Hyper-V and strong troubleshooting and documentation skills.
Active Directory, Group Policy, DNS, DHCP, Microsoft Azure, Microsoft 365, Office 365, Entra, Exchange Online, SharePoint Online, Teams, Intune, Hyper-V, SAML, SCADA, PowerShell, Azure CLI
2w
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IT Systems Administrator Senior - IT
Greenwood Village, Colorado, United States
$105k-$115k/yr OnsiteFull Time
5+ YOE5+ years administering enterprise Windows and Linux server environments, virtualization (VMware vSphere/Hyper-V), Active Directory, DNS/DHCP, backups/DR, networking fundamentals, and security best practices.
VMware vSphere, Hyper-V, Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy
4w
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Systems Administrator
Denver, Colorado, United States
$99k-$209k/yr HybridFull Time
8+ YOEAbility to obtain DoD clearance and DHS EOD; Bachelor's+8 years (or 14 years without degree); Microsoft certifications; experience with Windows Server/10, AD, SQL, SCCM, Nutanix, backups, and ServiceNow.
Windows Server 2016, Windows 10, Microsoft Active Directory, Microsoft SQL 2016, Microsoft Systems Center Configuration Manager (SCCM), Nutanix, Veritas Backup Exec, Service Now
1w
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Senior IT Infrastructure Administrator
Littleton, Colorado, United States
$100k-$150k/yr OnsiteFull Time
5+ YOE5+ years enterprise infrastructure experience supporting Microsoft 365, Azure, AWS, Nutanix AHV, Windows/Linux servers, networking, security, PowerShell automation, on-call support, and GovCloud compliance.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Microsoft Entra ID (Azure AD), Microsoft Intune, Microsoft Azure, Amazon Web Services (AWS), Nutanix AHV, Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy, PowerShell, Cisco Identity Services Engine (ISE), GovCloud
2w
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Systems Administrator - Level 4
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
8+ YOEActive DoD TS/SCI clearance, RHEL server administration, VMware experience, DoD 8570 IAT Level II (e.g., Security+ CE) required or obtainable, ability to lift 40 lbs, bachelor's-level experience preferred.
RHEL, VMware, Active Directory, Linux, UNIX, Windows Server
1w
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Systems Administrator II
Parker, Colorado, United States
$104k-$122k/yr OnsiteFull Time
5+ YOEBachelor's in CS/IT or equivalent, 5+ years supporting enterprise servers/workstations, strong AD/Microsoft 365 and virtualization skills, valid driver's license.
Windows Professional, Windows Server, Linux, Active Directory, Microsoft 365, Intel, HP, Veeam, Nutanix, VMware, Exagrid, Microsoft Intune, Azure AD, Microsoft Exchange, SMTP, VoIP, TCP/IP, VLAN, VPN
2mo
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ITS System Administrator (Lakewood, CO, US)
Lakewood, Colorado, United States
$78k-$98k/yr OnsiteFull Time
5+ YOE5+ years in systems administration; 2+ years configuring Azure/Office 365; strong Windows Server, virtualization, AD, backups; ITIL knowledge.
Microsoft Windows Server, Active Directory, Azure, Office 365, VMware, SQL, PowerShell, SharePoint, Exchange Online, Linux/Unix
2w
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Administer Windows Server 2022, VMware/vSphere, Active Directory, Group Policy; support classified networks; troubleshoot networking; TS/SCI with polygraph and DoD 8570 IAT Level II (e.g., Security+ CE).
Windows Server 2022, VMware, vSphere 8, Active Directory, Group Policy, Splunk, McAfee ePolicy Orchestrator (ePO), Domain Controller, PowerShell, RHEL 8, RHEL 9
2w
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Experience administering Windows Server 2022, VMware/vSphere, Active Directory and Group Policy in secure/classified environments; DoD 8570 IAT Level II or equivalent; TS/SCI with polygraph required; strong troubleshooting and networking skills.
Windows Server 2022, VMware, vSphere 8, Microsoft Active Directory, Microsoft Group Policy, Splunk, McAfee ePolicy Orchestrator (ePO), Microsoft PowerShell, RHEL 8, RHEL 9, STIGs
6d
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JEI - IT Systems Administrator Level I
Lakewood, Colorado, United States
$65k-$75k/yr OnsiteFull Time
3+ YOE3+ years administering Windows endpoints with Intune/Autopilot, Active Directory/Entra ID administration, PowerShell/Microsoft Graph scripting, enterprise patching and endpoint security, and experience with incident/change management.
Microsoft Intune, Windows Autopilot, Configuration Manager (SCCM), Active Directory, Microsoft Entra ID, SAML, OIDC, PowerShell, Microsoft Graph, VMware vSphere, Veeam, Git, Microsoft 365, Microsoft Defender, Exchange Online, SharePoint, OneDrive, Microsoft Teams, Windows Server, Linux
3d
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Principal System Administrator- Must have a TS/SCI active clearance!
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI clearance and U.S. citizenship, Bachelor+5yrs (or advanced+3yrs), Windows and RHEL administration, VMware virtualization, STIG/SCAP compliance, DoDD 8140/8570 certification within 6 months.
Windows Server, Windows 11, RHEL 7, RHEL 8, RHEL 9, VMware ESXi, vCenter, SCAP, ACAS, Splunk, STIG Viewer, Active Directory, Group Policy
2w
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Network-Systems Administrator
Centennial, Colorado, United States
$105k-$123k/yr OnsiteFull Time
5+ YOEBachelor's in computer science or related, 5+ years IT/network experience, Windows Server and virtualization experience, technical certs preferred, valid Colorado driver license, CPR within one year.
VMWare, Microsoft Windows Server
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