53 server administrator jobs at 36 companies in Lyons, CO
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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
4d
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Senior Systems Administrator
Loveland or Ames
$95k-$105k/yr HybridFull Time
6+ YOEBachelor’s degree or equivalent experience; 6+ years in enterprise infrastructure or systems administration; expertise in Windows Server, Active Directory, DNS/DHCP, Group Policy, VMware, PKI, email authentication, vulnerability remediation, and PowerShell.
Windows Server, Active Directory, VMware, DNS, DHCP, Group Policy, DKIM, SPF, DMARC, SSL/TLS, PKI, PowerShell
2w
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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
2w
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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
3w
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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
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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SENIOR SYSTEMS ADMINISTRATOR - INFORMATION SYSTEMS
Lafayette, Colorado, United States
$101k-$142k/yr OnsiteFull Time
7+ YOEBachelor's degree or equivalent, 7+ years managing enterprise server environments, certified training in VMware and Microsoft server technologies, Colorado driver's license required.
VMware, Microsoft Server, Microsoft Entra, Microsoft Azure, Microsoft Active Directory, API
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)
3w
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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
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
3d
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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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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
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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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
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
1mo
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Sr. Database Administrator
Denver or United States or Canada or India
$130k-$150k/yr HybridFull Time
8+ YOE8+ years DBA/DBRE experience with PostgreSQL, SQL Server, AWS RDS/Aurora/Redshift, Terraform, automation, HA/DR, performance tuning, and mentorship.
PostgreSQL, AWS RDS PostgreSQL, Aurora PostgreSQL, Amazon Redshift, SQL Server, Terraform, CI/CD, Python, PowerShell, Bash, CloudWatch, Dynatrace, Grafana
2mo
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Financial Applications Administrator
San Francisco or Seattle or Palo Alto or Los Angeles or San Diego or Denver or Austin
$114k-$179k/yr OnsiteFull Time
4+ YOE4+ years supporting legal financial systems, strong SQL Server skills, Chrome River experience preferred, bachelor's degree preferred, strong analytical and communication skills.
Emburse Chrome River, Xcelerate Budgeting & Forecasting, Cosine Matter Planning, Elite 3E, Elite Enterprise, Aderant, Fulcrum, SAP, SQL Server
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
1mo
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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
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