80 server administrator jobs at 53 companies in Lone Tree, CO
3d
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Senior IT Network and Server Administrator
Englewood, Colorado, United States
$100k-$125k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years administering enterprise networks, servers, and Azure. Requires Windows Server, Azure, Microsoft 365, virtualization, cybersecurity, backup, endpoint management, scripting, and English proficiency.
Fortinet, Ubiquiti UniFi, Microsoft Windows Server, VMware, Hyper-V, Microsoft Azure, Microsoft 365, XDR, SIEM, Veeam, Azure Site Recovery (ASR), Microsoft Intune, Microsoft Deployment Toolkit (MDT), Windows Deployment Services (WDS), PowerShell, Python, VBScript, Backupify, FSA, HSA
1d
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS Storage, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus, ESXi, iptables, Wiki
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
3w
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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, hands-on with Fortinet/Cisco, knowledge of BGP/OSPF/STP, cloud networking (Azure/AWS), Windows Server/AD, and strong troubleshooting and communication skills.
Cisco IOS, FortiOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory, BGP, OSPF, STP, VoIP
3w
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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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Infrastructure Systems Administrator
Colorado Springs, Colorado, United States
$69k-$142k/yr OnsiteFull Time
3+ YOEBS in IT or equivalent (experience may substitute), minimum 3 years IT experience, VMware, Microsoft Server, NetApp, Linux, Windows Server admin, IIS/DHCP/DNS, active/obtainable Secret clearance, 8570.01 (Security+ or CISSP) within 90 days.
VMware, Microsoft Windows Server, Microsoft Server, NetApp, Linux, Windows File Server, IIS, DHCP, DNS, Microsoft Visio, Microsoft PowerPoint, Microsoft Excel, Microsoft Project
1d
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IT System Administrator
Westminster, Colorado, United States
$71k-$90k/yr OnsiteFull Time
Associate's or bachelor's degree in a related field or equivalent experience; Windows Server, cloud, Azure, Active Directory, networking, virtualization, backup, troubleshooting, and security knowledge required.
Windows Server, Azure, Active Directory, Group Policy, DNS, DHCP, Microsoft Exchange, MDM, Microsoft Intune, VMware, Hyper-V, TCP/IP, VLANs, Aruba, Dell, HP, FortiGate, Veeam, SolarWinds, Microsoft Azure, AWS, Google Cloud, PowerShell, Azure AD/Entra ID
3mo
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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
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)
1mo
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JIRA Systems Administrator
Colorado Springs, Colorado, United States
$90k-$105k/yr OnsiteFull Time
5+ YOE5+ years systems administration experience with strong JIRA/Confluence expertise, Security+ certification, US citizenship, Secret clearance, Bachelor's degree (or equivalent experience), DoD experience preferred.
JIRA, Confluence, Microsoft SharePoint, Microsoft Server, VMWare, SAN
1mo
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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
1mo
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Systems Administrator (ERP)
Greenwood Village, Colorado, United States
$90k-$110k/yr HybridFull Time
8+ YOEBachelor's degree required; minimum 8 years ERP experience and 4 years ERP administration; strong T-SQL and SQL Server/SSMS experience; SSRS report development; Power BI experience a plus; strong troubleshooting and communication skills.
Deltek Vantagepoint, Deltek Vision, T-SQL, SQL Server Management Studio, SQL Server, SSRS, Power BI
2w
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Satellite Systems Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
5+ YOEActive TS/SCI eligibility, 5+ years relevant experience or equivalent, Linux/UNIX and Microsoft Server proficiency, DoD 8570 IAT Level II credential, satellite operations and network infrastructure experience.
VMWare, Linux, UNIX, Microsoft Server, DISA STIG
1w
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SCADA OT Administrator
Brighton, Colorado, United States
$43-$58/hr OnsiteFull Time
3+ YOEBachelor's degree or equivalent education and experience; 3+ years supporting SCADA, industrial control systems, OT networks, servers, infrastructure, virtualization, cybersecurity, or municipal utility technology. Colorado driver's license required.
Microsoft Windows, SCADA, VMware, HMI, SQL, PLC, Ethernet/IP, Modbus TCP, OPC UA, Microsoft SQL, Microsoft Active Directory, TCP/IP, IPv4, DHCP, DNS, NAT, VPN, VLAN, LAN, WAN, Internet, Ignition SCADA, Windows Server, Veeam, Palo Alto, Cisco, Microsoft Administration
3w
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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
2w
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Applications Administrator (Systems & Database – Senior)
Colorado Springs, Colorado, United States
$111k-$138k/yr HybridFull Time
3+ YOE3+ years in application/systems/database administration supporting Linux, enterprise Java app servers, and Oracle databases; on-call experience and strong troubleshooting skills required.
Linux, Oracle, Oracle Utilities (C2M), Oracle Utilities (CCB), Oracle Utilities (MDM), WebLogic, Tomcat, Jetty, Git, GitHub, Shell, Python
3w
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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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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
2mo
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Systems Administrator
Greenwood Village, Colorado, United States
$80k-$95k/yr HybridFull Time
3+ YOE3+ years systems admin/support experience with server, network, and cloud operations; experience with Windows AD, GPO, PowerShell, Intune/MDM, API tooling, disaster recovery, documentation, and stakeholder communication. Relevant certifications preferred.
Windows AD, GPO, PowerShell, API, MDM, Microsoft Intune, Linux
6d
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Windows Administrator (Colorado Springs, CO)
Colorado Springs, Colorado, United States
OnsiteFull Time
7+ YOERequires an active Secret clearance, 7+ years of related experience, and a high school diploma, GED, or equivalent. Requires Windows server administration experience and rotational emergency on-call availability.
Windows 2008, Windows 2012R2, Windows 2016R2
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