97 network administrator jobs at 70 companies in Littleton, CO
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Sr Network Administrator
Golden, Colorado, United States
$113k-$155k/yr OnsiteFull Time
6+ YOE6+ years network administration experience; bachelor\u0002s in IT or equivalent; expertise in routing, switching, wireless, firewalls, VPNs, SD-WAN, cloud networking (Azure/AWS); network automation and mentoring experience.
Azure, AWS, SD-WAN
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
2w
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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
2d
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Network Administrator 3
Centennial or Denver
$100k-$166k/yr OnsiteFull Time
4+ YOERequires a bachelor's degree in STEM or four years related experience, 4+ years administering enterprise networks, routing and switching expertise, network security, troubleshooting, and infrastructure lifecycle management.
TCP/IP, VLAN, VPN, Quality of Service (QoS), OSPF, BGP, Cisco, Palo Alto Networks, Cisco ASA, Wireshark, NetFlow, IPsec, SSL VPN, SolarWinds, SD-WAN, Azure, AWS, Python, Ansible, PowerShell, Cisco ISE, VoIP
4w
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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
2mo
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Network Administrator II (2nd Shift)
Westminster, Colorado, United States
$68k-$80k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field, 2+ years network administration experience, enterprise networking (Fortinet preferred), firewall/VPN/VLAN/TCP/IP knowledge, monitoring and troubleshooting skills, ability to support shift-based, mission-critical operations, U.S. eligibility per export regs.
Fortinet, TCP/IP, VLAN, VPN
1mo
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Senior IT & Network Systems Administrator (Part-Time)
Greenwood Village, Colorado, United States
$95k-$130k/yr HybridPart Time
10+ YOE10+ years IT/systems/network/cloud/security experience. Hands-on Microsoft 365/Azure/Entra/Intune/Defender/Sentinel, Juniper networking, AWS services, endpoint management, backups, and scripting (PowerShell, JavaScript, Python).
Microsoft 365, Azure, Entra ID, Intune, Purview, Defender, Sentinel, Autopilot, Windows Update, Windows 11, AWS, IAM, S3, CloudFront, CodeDeploy, Juniper, JunOS, SharePoint, Commvault, Zoom for Business, Zoom Rooms, Logitech, Jamf, Rippling, PowerShell, JavaScript, Python
2w
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Network System Admin
Boulder, Colorado, United States
RemoteContract
3+ YOERequires 3–5 or more years of network systems administration experience, including routing, switching, troubleshooting, security, infrastructure, load balancing, VPNs, and cloud management.
TCP/IP, Virtual Private Networks (VPN), Wide Area Networks, Network Switches, Local Area Networks, Border Gateway Protocol, Dynamic Host Configuration Protocol (DHCP), Load Balancing, Proxy Servers, Open Shortest Path First (OSPF), Internet Protocol Security (IP SEC)
1w
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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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HW/Network Admin (Lead)
Colorado Springs, Colorado, United States
$117k-$203k/yr HybridFull Time
7+ YOE2+ MgmtRequires a relevant bachelor's degree with 12–15 years, master's with 10–13 years, or PhD with 10+ years; 7+ years hardware/network administration, 2+ leadership, and active TS/SCI clearance.
TCP/IP, DNS, DHCP, VLANs, VPNs, AWS, Azure, Google Cloud, SD-WAN, SolarWinds, Nagios, PRTG, ITIL, ISO 27001/9001, GDPR, NIST, VMware, Hyper-V, Kubernetes, Docker, Microsoft Azure Administrator Associate, MCSE
1d
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Senior Network Engineer
Denver, Colorado, United States
$90k-$100k/yr RemoteFull Time
5+ YOERequires 5+ years in network engineering or administration, CCNP/CCDP or equivalent, routing and switching expertise, network operating system experience, security knowledge, analytical skills, and U.S. work authorization.
TCP/IP, BGP, OSPF, JUNOS, Cisco IOS, LibreNMS
6d
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Network Engineer - E2
Boulder, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Requires active Secret clearance, network design and troubleshooting skills, foundational routing, switching, TCP/IP, DHCP, DNS, firewall, Cisco, and network administration knowledge, plus Jira and Confluence experience.
TCP/IP, DHCP, DNS, Cisco Nexus, Cisco Catalyst, Wireshark, Splunk, Infoblox NetMRI, DISA STIG, Jira, Confluence, Red Hat, TACLANE, Cisco Next Generation Firewalls, ISE, TACACS+, ACI, F5, Juniper
1w
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Network Deployment Engineer
Austin or Atlanta or Denver or New York City or United States
$114k-$173k/yr HybridFull Time
2+ YOERequires 2+ years of data center or Linux administration experience, networking and hardware administration, configuration management, scripting, process improvement, communication, and project coordination skills.
Linux, Unix, Saltstack, Chef, Puppet, Ansible, Microsoft Excel, Google Sheets, JIRA, DCIM, Bash, Python, Go, Nginx, Varnish, HAProxy, Apache
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
5d
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System Administrator
Greenwood Village, Colorado, United States
$32-$35/hr HybridFull Time
Requires tier I–III technical support experience, hardware and software troubleshooting, systems administration, customer service, documentation, and knowledge of cloud, virtualization, networking, security, and Microsoft environments.
Microsoft Windows Server, Microsoft Windows, Microsoft SQL Server, Microsoft Exchange, Microsoft Hyper-V, Microsoft Remote Desktop Services (RDS), Active Directory, DNS, DHCP, VMware ESXi, Veeam Backup & Replication, Barracuda, Avanan, Checkpoint, Azure, Google Cloud Platform (GCP), Amazon Web Services (AWS), Cisco Meraki, SonicWall, Simple Network Management Protocol (SNMP), Management Information Base (MIB), Intrusion Detection System (IDS), Intrusion Prevention System (IPS), Access Control List (ACL), 802.1x, 802.11a/b/g/n, WPA2, Wireless LAN Controller (WLC), Wireless Access Point (WAP), Cisco AnyConnect, macOS, Citrix, Microsoft 365, Microsoft Intune, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Entra, ConnectWise PSA, ScreenConnect, Microsoft Office, SentinelOne, 3CX, ADP My Learning, Pluralsight, Culture Index Survey
1mo
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Systems Administrator II
Lakewood, Colorado, United States
$92k-$105k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years systems administration experience, Microsoft 365 and Windows Server expertise, IT service desk experience, Azure and network/security experience preferred.
Windows Server, Microsoft Azure, Microsoft 365, Active Directory, Group Policy, VPN
1w
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Sr. Systems Administrator
Denver, Colorado, United States
$136k-$166k/yr OnsiteFull Time
10+ YOERequires 10 years of systems administration experience or equivalent education, TS/SCI with active CI polygraph, systems and network expertise, operating systems knowledge, ITSM experience, and leadership abilities.
Windows, macOS, Linux, ITSM, Active Directory, ServiceNow, Remedy, Jira Service Management, CompTIA Server+, Microsoft Certified Systems Administrator, Red Hat Certified System Administrator
1mo
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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
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
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