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156 network administrator jobs at 98 companies in Castle Rock, CO

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Network Administrator
Colorado Springs, Colorado, United States
$70k-$73k/yr OnsiteFull Time
Pikes Peak State College
Pikes Peak State College: Public community college serving Colorado Springs and Pikes Peak region through transfer, career, technical, and bachelor’s programs.
2+ YOERequires two years of IT or technical support experience plus qualifying education or enterprise networking experience. Network support, hardware/software troubleshooting, and upgrades required; certifications and network administration experience preferred.
Active Directory, Group Policy, Meraki, Macs, iOS, DNS, DHCP, VPN, VoIP, E911/RedSky
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NETWORK ADMINISTRATOR
Colorado Springs or Huntsville or Crestview or Orlando or Tupelo
$90k-$120k/yr OnsiteFull Time
Quantum Research International
Quantum Research International: Privately held defense engineering and technology contractor serving U.S. and allied governments, armed forces, and industry customers.
Requires active DoD Secret clearance, ability to upgrade to TS/SCI, DoDI 8570.01-M certification, network administration experience, and hands-on Palo Alto and Cisco device expertise.
Palo Alto, Cisco Catalyst 3850, Cisco Catalyst 9300, Cisco 4311, Hyper-V, Wireshark, AWS, Terraform, SolarWinds SEM, Kiwi Syslog, DNS Manager, Active Directory, RADIUS, 802.1X, PKI, ACAS, DISA STIG, TCP/IP, DNS, DHCP, VLANs, NAT, ACLs, VPNs, RMF, ATO, NACLs, Transit Gateway
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1mo
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Sr Network Administrator
Golden, Colorado, United States
$113k-$155k/yr OnsiteFull Time
CoorsTek
CoorsTek: Private U.S. manufacturer of advanced technical ceramic components for semiconductor, medical, aerospace, and industrial customers.
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: Private U.S. cloud-services provider serving businesses, service providers, public-sector clients, and enterprises with secure managed cloud 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
Otava
Otava: Private U.S. cloud-services provider serving businesses, service providers, public-sector clients, and enterprises with secure managed cloud solutions.
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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Senior Network Administrator
Denver, Colorado, United States
$125k-$146k/yr HybridFull Time
Colorado Coalition for the Homeless
Colorado Coalition for the Homeless: Nonprofit Colorado organization providing housing, healthcare, and supportive services to people experiencing or at-risk homelessness.
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
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3mo
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Network Administrator SME
Colorado Springs, Colorado, United States
$110k-$160k/yr OnsiteFull Time
Entarian
Entarian: Private engineering and federal technology services provider serving U.S. space, defense, and civilian government agencies.
5+ YOETop Secret/SCI clearance, BS in CS or IT (preferred), 5+ years network administration/engineering, DoD 8140-aligned certifications (e.g., Security+).
NIPRNET, SIPRNET, WSOMS, RMCE LAN, WAN
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Sr Network Administrator - CONTRACT
Englewood or Greenwood Village
$86-$115/hr OnsiteContract, Full Time
NexusTek
NexusTek: Managed IT services provider serving mid-sized and enterprise businesses with cybersecurity, cloud, IT consulting.
7+ YOERequires 7+ years in complex enterprise network engineering or administration, large-scale high-density networks, switching, routing, wireless, firewalls, VPNs, BGP, automation, and Azure or AWS connectivity.
Python, Ansible, APIs, Azure, AWS, BGP, VPN
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Network Administrator 3
Centennial or Denver
$100k-$166k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Private 50-50 aerospace joint venture providing rocket launch services for government and commercial customers.
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
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2mo
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Network Administrator
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
1+ YOETS/SCI w/poly required. Bachelor's +5 yrs, Master's +3 yrs, or PhD +1 yr (or 4 yrs experience in lieu). Experience with BGP, OSPF, VRF, MPLS, 802.1x, Cisco ISE, Cisco/Juniper devices, KG-175 TACLANES, and IAT Level II.
BGP, OSPF, VRF, MPLS, 802.1x, Cisco-ISE, IOS, VLan, ACL, KG-175 Series TACLANES, Cisco, Juniper, Security Technical Implementation Guides (STIGs)
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Network Administrator
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
1+ YOETS/SCI with polygraph required; Bachelor's +5 yrs or Master's +3 yrs or PhD +1 yr (or 4 yrs experience in lieu); experience with BGP, OSPF, VRF, MPLS, 802.1x, Cisco-ISE, KG-175 TACLANES, Cisco and Juniper devices; active IAT Level II.
BGP, OSPF, VRF, MPLS, 802.1x, Cisco-ISE, KG-175 Series TACLANES, Cisco, Juniper, IOS, Security Technical Implementation Guides (STIGs)
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Network Administrator II (2nd Shift)
Westminster, Colorado, United States
$68k-$80k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Developing advanced communication systems for space and airborne platforms.
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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1mo
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Staff Network Systems Administrator
Colorado Springs, Colorado, United States
$75k-$120k/yr HybridFull Time
Semtech
SemtechThe Nasdaq Global Select Market: SMTC: Public semiconductor, IoT systems, and cloud connectivity provider serving infrastructure, industrial, and consumer markets worldwide.
5+ YOEDesign, implement and operate global LAN/WAN, firewalls, SD‑WAN and cloud networking; 5+ years network experience; bachelor's in CS/IT or equivalent; CCNP/CCDP preferred; strong routing, switching and security skills.
Palo Alto, Aryaka, Cisco, AWS, Azure
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Network & IT Support Administrator
Colorado Springs, Colorado, United States
$54k-$73k/yr HybridFull Time
Porch Light Health
Porch Light Health: Outpatient addiction-medicine provider serving people with substance use disorders across Colorado and New Mexi.
2+ YOEBachelor's degree or equivalent experience, 2+ years in IT support or systems administration, troubleshooting across operating systems and networks, cloud platform experience, customer service skills, and a valid driver's license.
Google Workspace, Microsoft Windows, ChromeOS, VPN, SaaS, Microsoft 365, Cisco Meraki, VDI, SSO, VoIP, EHR, Salesforce, ITSM
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Network Virtualization Engineer/Administrator
Colorado Springs or Colorado Springs
OnsiteFull Time
LaunchTech
LaunchTech: Privately held, woman- and veteran-owned technology services firm supporting government and enterprise customers.
5+ YOE1+ MgmtRequires 10+ years general experience, 5+ years network or virtualization experience, 1+ year leadership experience, active DoD Secret clearance, DoD 8570 IAT II certification, VMware, NSX, vSAN, networking, and firewall expertise.
VMware, vSphere, NSX, vSAN, SDDC Manager, Microsoft PowerPoint, Microsoft Visio, PIM, VXLAN, Juniper Apstra, VMware Aria, RHEL, Ansible, HPE, Cisco, Juniper Networks, Python, PowerShell, DNS, HTTP, SMTP, SSL, NAT
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Network-System Administrator I
Colorado Springs, Colorado, United States
OnsiteFull Time
Global Resource Solutions, Inc.
Global Resource Solutions, Inc.: Private service-disabled veteran-owned government contractor providing intelligence, cybersecurity, IT, and specialized security services to U.S. federal agencies.
1+ YOE1–2 years related experience, working knowledge of Microsoft Windows/Exchange, LAN/WAN, backups, RMF/A&A, COMSEC, DoD 8570 compliance within 6 months, Top Secret with SCI and polygraph eligibility.
Microsoft Windows 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10, Microsoft Office (Word, PowerPoint, and Excel), IP, TCP, HTTP, HTTPS, FTP, SSL, COMSEC, Risk Management Framework, Common Criteria, System Security Policy, PL1, PL2, PL3, PL4
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Network Virtualization Engineer/Administrator - DoW
Colorado Springs or Colorado Springs
$130k-$145k/yr OnsiteFull Time
INNOVIM Defense Services
INNOVIM Defense Services: Woman-owned U.S. federal technology contractor delivering data analytics, engineering, secure infrastructure, and IT services to government agencies.
5+ YOERequires 10+ years general experience, 5+ years related network or virtualization experience, 1+ year leadership experience, VMware Cloud Foundation expertise, DoW Secret clearance, and DoW 8570 IAT Level II certification or higher.
VMware, vSphere, NSX, vSAN, SDDC Manager, Microsoft PowerPoint, Microsoft Visio, PIM, VXLAN, Juniper Apstra, VMware Aria, RHEL Ansible, HPE, Python, PowerShell, DNS, HTTP, SMTP, SSL, NAT
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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: Employee-owned engineering providing technical mission support for defense and space programs serving government and industry.
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
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IT NETWORK ADMINISTRATOR - LIBRARY 21C - 40 HOURS (400000408)
Colorado Springs, Colorado, United States
$35-$44/hr HybridFull Time
Pikes Peak Library District
Pikes Peak Library District: Independent public library district providing books, digital resources, programs, and community services to El Paso County residents.
5+ YOEAssociate degree in computer science, information systems, information technology, or related field; 5 years administering data networks; CCNA or equivalent; Colorado driver's license; Palo Alto certification preferred.
Local Area Network (LAN), Wide Area Network (WAN), SIEM, Microsoft 365, Cisco, Palo Alto
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Network System Admin
Boulder, Colorado, United States
RemoteContract
Delan Associates, Inc
Delan Associates, Inc: Professional services and engineering consulting firm.
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)
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