70 network administrator jobs at 53 companies in Frederick, CO

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Sr Network Administrator
Golden, Colorado, United States
$113k-$155k/yr OnsiteFull Time
CoorsTek
CoorsTek: Manufacturer of engineered technical ceramics for global industrial markets.
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
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
OTAVA
OTAVA: Provides secure and compliant multi-cloud and data protection solutions.
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
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
Schurz Communications
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
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
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Network Administrator
Silver Spring or Suitland or College Park or Fairbanks or Boulder or Stennis or Asheville
$93k-$120k/yr HybridFull Time
Alpha Omega
Alpha Omega: Delivering digital transformation and IT solutions for federal agencies.
4+ YOEPublic Trust clearance and U.S. citizenship required; 4+ years enterprise networking experience; CCNA required; experience with BGP, IPv4/IPv6, Fortinet, Cisco/Arista, Citrix NetScaler, VPNs, AWS/Azure, SSH/SNMP, and network documentation.
Ops Manager, SSH, SNMP, BGP, Fortinet, Cisco, Arista, Citrix NetScaler, VPN, AWS, Azure, Microsoft Excel, Microsoft Visio
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Staff Network Administrator
Boulder, Colorado, United States
$135k-$175k/yr OnsiteFull Time
Electra
Electra: Decarbonizing iron production through low-temperature electrochemical refining technology.
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
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Senior Network Administrator - 11014
Denver, Colorado, United States
$125k-$146k/yr OnsiteFull Time
Colorado Coalition for the Homeless
Colorado Coalition for the Homeless: Provides integrated housing and healthcare for people experiencing homelessness.
10+ YOE10+ years network administration experience with Cisco equipment; CCNP or 5+ years equivalent; strong TCP/IP, OSPF, BGP knowledge; Microsoft Terminal Services experience; valid driver’s license; bachelor\u0002s degree preferred.
Cisco, TCP/IP, OSPF, BGP, Microsoft Terminal Services, Gateway Broker, RD Web
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Network Administrator II (2nd Shift)
Westminster, Colorado, United States
$68k-$80k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
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
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Network-Systems Administrator
Centennial, Colorado, United States
$105k-$123k/yr OnsiteFull Time
South Metro Fire Rescue
South Metro Fire Rescue: Provides fire protection and emergency medical services in Colorado.
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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Network-Systems Administrator
Centennial, Colorado, United States
$105k-$123k/yr OnsiteFull Time
South Metro Fire Rescue
South Metro Fire Rescue: Public fire protection and emergency medical services provider.
5+ YOEBachelor's degree in CS or related field, 5+ years IT/network experience, Microsoft Windows Server and VMWare experience, technical certifications preferred, valid Colorado driver license, must obtain CPR within one year.
Microsoft Windows Server, VMWare
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Senior IT & Network Systems Administrator (Part-Time)
Greenwood Village, Colorado, United States
$95k-$130k/yr HybridPart Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
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
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
Schurz Communications
Schurz Communications: Broadband, cloud services, and digital media provider.
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
2mo
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System Administrator
Fort Collins, Colorado, United States
OnsiteFull Time
Poudre Valley Rural Electric Association
Poudre Valley Rural Electric Association: Member-owned electric cooperative providing utility services in Northern Colorado.
8+ YOEBachelor's degree in IT or related field; 8+ years in systems administration; certifications such as CCNA, MCSE, CompTIA Network+, VCP, CISSP; experience with Hyper-V, Azure, AWS, Microsoft 365; cybersecurity and AI tooling experience.
Hyper-V, Microsoft Azure, Amazon Web Services, Microsoft 365, Entra ID, Exchange Online, SharePoint Online, Teams, VPN, Firewall, IDS/IPS, Data encryption, Log monitoring, Scripting (PowerShell)
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Network Reliability Engineer
Austin or Atlanta or Denver or Seattle or Washington
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
3+ YOE3+ years network/site reliability engineering experience; BA/BS in CS or equivalent; experience with Saltstack, Ansible, Chef, NX-OS/JUNOS/EOS/Cumulus/Sonic; Linux administration; iproute2, Traffic Control, Devlink; software development in Go and Python; AI/LLM tooling experience.
Saltstack, Ansible, Chef, NX-OS, JUNOS, EOS, Cumulus, Sonic, LLM, iproute2, Traffic Control, Devlink, Go, Python, AirFlow, Temporal, FRR, Bird, GoBGP, C, C++, rust, Linux, Linux kernel, Prometheus, Grafana, Thanos, Clickhouse, Kubernetes, Docker, Consul
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
Voyager Technologies
Voyager TechnologiesNYSE: VOYG: Provides advanced defense and commercial space technology solutions.
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
2w
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Systems Administrator - IT
Greenwood Village, Colorado, United States
$80k-$90k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
Maintain and support servers, networks, and systems; troubleshoot hardware/software; perform updates and asset lifecycle tasks. Associate degree or equivalent experience; CompTIA A+ acceptable; Windows/Linux and network fundamentals knowledge required.
Windows, Linux, TCP/IP, DNS, DHCP
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Operations Tier 1 Systems Administrator
Boulder, Colorado, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEActive Top Secret clearance, Security+ certification, 2+ years IT experience, RHEL and Windows administration, VMware/virtualization, networking fundamentals, troubleshooting, and cybersecurity reporting support.
Red Hat Enterprise Linux, Microsoft Windows, VMware vSphere/ESXi, KVMoIP, Elastic, Chef, Puppet, Ansible, Python, Bash
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Systems Administrator
Greenwood Village, Colorado, United States
$80k-$95k/yr HybridFull Time
GrowGeneration
GrowGenerationNASDAQ: GRWG: Retailer of hydroponic and organic gardening supplies and equipment.
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
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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
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Senior IT Systems Administrator
Broomfield, Colorado, United States
$110k-$175k/yr OnsiteFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
6+ YOE6+ years administering corporate IT systems; strong Microsoft 365/Entra ID, endpoint and SaaS administration; networking fundamentals; Windows/Linux endpoint lifecycle management; scripting (PowerShell, Python, Bash); GitLab and IaC experience.
Microsoft 365, Entra ID (Azure AD), Microsoft Intune, Jamf, Kandji, PowerShell, Python, Bash, GitLab, Infrastructure as Code (IaC), Windows, Linux, TCP/IP, DNS, DHCP, VPN