39 infrastructure administrator jobs at 26 companies in Evans, CO
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AWS Infrastructure Administrator
Boulder or Princeton
$121k-$147k/yr OnsiteFull Time
5+ YOEBachelor's degree; 5+ years AWS experience; RHEL, web app administration, Terraform, Ansible, Apache, SSL, and database (PostgreSQL) experience; ability to obtain DoD clearance.
EC2, RDS, S3, ELB, AWS CloudWatch, AWS Systems Manager, Terraform, Ansible, Apache HTTP, Apache Tomcat, PostgreSQL, GitLab, GitLab CI/CD, Docker, Hyper-V, VMWare, Prometheus, Grafana
1mo
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Infrastructure Administrator- Westminster, CO
Westminster, Colorado, United States
$80k-$100k/yr HybridFull Time
5+ YOE5–8 years administering enterprise infrastructure; experience with Microsoft technologies, cloud, networking, virtualization, identity, and automation; bachelor's degree or equivalent; strong troubleshooting and communication skills.
Microsoft 365, Intune, Entra ID, Purview, Exchange Online, Microsoft Teams, SharePoint Online, Microsoft Azure, Active Directory, Group Policy, Windows Server, Hypervisor, Microsoft Defender, SentinelOne, PowerShell
1mo
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Infrastructure/Systems Administrator
Sterling or Austin or Denver
$105k-$231k/yr OnsiteFull Time
10+ YOEActive TS/SCI with polygraph, bachelor’s degree or equivalent, 10+ years related experience, extensive Linux experience, systems administration, patching, troubleshooting, documentation, and collaboration skills.
Linux, Puppet, Satellite, IPA, Nagios, Net App
1mo
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Systems Administrator, Tech Infrastructure
Saint Petersburg or Denver or Southfield
$60k-$100k/yr OnsiteFull Time
0+ YOETranslate functional specs, document interfaces, analyze and validate requirements, produce reports, and support system development; bachelor’s degree in accounting, business administration, or computer and information science required.
1mo
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Infrastructure/Systems Administrator
Sterling or Austin or Denver
$105k-$231k/yr OnsiteFull Time
10+ YOEActive TS/SCI with poly, bachelor's or equivalent, 10+ years related experience, extensive Linux experience, strong troubleshooting, project experience, and ability to work off-hours.
Linux, Puppet, Satellite, IPA, Nagios, Net App
2w
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IT Infrastructure Engineer
Petaluma or Denver
$120k-$145k/yr HybridFull Time
8+ YOE8+ years in IT support/systems administration in Microsoft 365 environments; expertise with endpoint security, networking, Azure/on‑prem infrastructure, documentation, and incident response.
Entra, Intune, Veeam, VMware vCenter, Windows Server, Azure Files, Cloudflare One, Unifi, Cisco, SentinelOne, KnowBe4 Defend, Deep Seas, Microsoft 365, Microsoft Defender for Endpoint, Cloudflare WARP, AWS EC2, Jira
17h
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Senior Infrastructure Lead
Amarillo or Dallas or Houston or Lubbock or Denver or Oklahoma City or Albuquerque
$140k-$160k/yr RemoteFull Time
10+ YOERequires 10+ years in infrastructure engineering or administration, cloud and on-premises migration experience, Dell HCI, Cisco firewalls, Windows Server, SQL Server, Azure, monitoring, troubleshooting, documentation, and communication skills.
Dell HCI, Cisco, Windows Server, SQL Server, Azure, Azure IaaS, Azure PaaS, Azure AD, Azure Storage, Azure Backup, Azure Site Recovery, Azure Monitor, Cisco firewalls, PowerShell, Python, Manage Engine, Wazuh, PagerDuty, Jira, Rapid 7, Site24x7, Lan Sweeper, Teramind, Microsoft Office
1w
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System Administrator
Aurora or Texas
$130k-$165k/yr OnsiteFull Time
Active TS/SCI clearance with CI polygraph, hands-on Windows and Linux administration, infrastructure troubleshooting, networking, virtualization, automation, security, and onsite Colorado work.
Windows, Linux, Windows 11, Windows Server 2022, Red Hat Enterprise Linux 8/9, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Exchange, WSUS, Kickstart, Bash, PowerShell, Git, Ansible, Terraform, Packer, GitLab, CI/CD, Nexus, Podman, Kubernetes, RKE2, K3s, Trident, Cisco Catalyst, Cisco Nexus, Palo Alto, Cisco VoIP, NetApp, Synology, Pure Storage, Veeam, Grafana, Prometheus, SolarWinds, Elastic Stack, Splunk, Nessus, Trellix, SCAP, CMMC
2w
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Infrastructure & Operations Engineer
Denver, Colorado, United States
$110k-$125k/yr HybridFull Time
Proven systems administration/production operations experience with Windows/Linux, networking, cloud/datacenter, scripting/APIs, Google Workspace and Microsoft 365 administration, SOC2/compliance experience, and willingness to join on-call rotation.
Google Workspace, Microsoft 365, JumpCloud, HiBob, VMware
1w
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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
1w
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Senior Network Administrator
Denver, Colorado, United States
$125k-$146k/yr HybridFull Time
10+ YOEDesign, implement, and manage Cisco-based network infrastructure; 10+ years network administration experience; CCNP or 5+ yrs equivalent; strong TCP/IP, OSPF/BGP, security, Microsoft Terminal Services skills.
Cisco, Microsoft Terminal Services, Gateway Broker, RD Web
2mo
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LEAD ADMINISTRATOR L2
Denver, Colorado, United States
$80k-$158k/yr OnsiteFull Time
15+ YOE5+ MgmtAI-first delivery leader with extensive infrastructure, data center, and networking experience; strong stakeholder management, DevOps/SRE knowledge, Jira proficiency, and proven ability to drive AI/automation-led productivity improvements.
Salesforce, ServiceNow, Jira, AIOps, GenAI
3w
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Staff Network Administrator
Boulder, Colorado, United States
$135k-$175k/yr OnsiteFull Time
12+ YOEBachelor's in CS/IT,12+ years networking/systems experience (or 8 with master's,5 with PhD). Expert enterprise networking, cloud (AWS/Azure), virtualization, Windows/Linux, scripting (Python/PowerShell), Azure Entra, and infrastructure automation.
Azure Entra, M365, AWS, Azure, HCI Platforms, Python, PowerShell, VMware, Hyper-V, Cisco, Juniper, Ubiquiti, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft OneDrive, Microsoft SharePoint
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
1w
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Senior IT Systems & Security Administrator
Denver, Colorado, United States
$100k-$130k/yr OnsiteFull Time
5+ YOE5+ years in systems administration, infrastructure, IT operations, or cybersecurity; bachelor's degree or equivalent; expertise in Microsoft, Azure Government, AWS GovCloud, networking, identity, endpoint security, and compliance.
Microsoft Windows Server, Microsoft 365, Microsoft GCC High, Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Teams, Microsoft OneDrive, Microsoft Intune, Microsoft Entra ID, Microsoft Azure Government, AWS GovCloud, Active Directory, Group Policy, DNS, DHCP, TCP/IP, VLANs, VPNs, EDR, Microsoft Defender, Microsoft Sentinel, Security Center, AES, RSA, ECC, TLS/SSL, FIPS 140-2/140-3, CMMC, NIST 800-171, FedRAMP, ITAR, DFARS
1w
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Systems Administrator Technician _TS/SCI with Polygraph
Aurora, Colorado, United States
$64k-$69k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOERequires 1+ year related experience, technical training, certification or degree, CompTIA Security+ CE, TS/SCI with polygraph clearance, U.S. citizenship, and knowledge of IT infrastructure, hardware, systems administration, and ITIL practices.
VoIP, ITIL, Install Move Add Change Disposal (IMACD), Configuration Management Database (CMDB), Technical Exchange Meetings (TEMs), CompTIA Security+ CE
4d
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Senior Principal Systems Administrator: Polarion
Lafayette, Colorado, United States
$147k-$221k/yr OnsiteFull Time
10+ YOETechnical bachelor's degree and 10 years of relevant experience, or advanced degree and 8 years. Requires Polarion or comparable ALM, server infrastructure, AWS, scripting, vendor management, and regulated validation experience.
Polarion, AWS, DevOps, ALM
4d
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Senior Principal Systems Administrator: Polarion
Lafayette, Colorado, United States
$147k-$221k/yr OnsiteFull Time
10+ YOETechnical bachelor's degree and 10 years of relevant experience, or advanced degree and 8 years. Requires Polarion or ALM, server environments, AWS, engineering infrastructure, vendor management, and regulated validation experience.
Polarion, AWS, DevOps, ALM
4w
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Data Center Lab Administrator/ Support Analyst
Fort Collins, Colorado, United States
$57k-$94k/yr OnsiteFull Time
2+ YOE2+ years supply chain/operations experience, inventory and PO management, international/domestic shipping, basic IT infrastructure tasks, ability to lift 45 lbs, Microsoft Office 365 proficiency.
Microsoft Office 365, Outlook, Teams, Excel, ROSA
4w
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Data Center Lab Administrator/ Support Analyst
Fort Collins, Colorado, United States
$57k-$94k/yr OnsiteFull Time
2+ YOE2-4 years supply chain/operations experience, university degree or equivalent, inventory and international shipping knowledge, ability to lift 45 lbs., basic IT infrastructure skills, strong communication and analytical skills.
Microsoft Outlook, Microsoft Teams, Microsoft Excel, ROSA
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