126 network administrator jobs at 84 companies in Lone Tree, CO
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Network Administrator
Colorado Springs, Colorado, United States
$80k-$120k/yr OnsiteFull Time
4+ YOE4+ years enterprise/DoD network administration experience with Cisco and Juniper, routing/switching, firewall administration, vulnerability response, and packet analysis; DoD 8570/8140 IAT Level II and active Top Secret/SCI required.
Cisco, Juniper, IOS, NX-OS, Junos, BGP, OSPF, VLANs, STP, syslog, NetFlow, SNMP, SIEM, Python, Ansible
4d
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NETWORK ADMINISTRATOR
Colorado Springs or Huntsville or Crestview or Orlando or Tupelo
$90k-$120k/yr OnsiteFull Time
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
2w
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Network Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
4+ YOE4+ years enterprise/DoD network administration with Cisco and Juniper, routing (BGP, OSPF), switching (VLAN, STP), firewall/security knowledge, DoD 8570/8140 IAT II cert, active TS/SCI clearance.
Cisco, Juniper, BGP, OSPF, VLANs, STP, IOS, NX-OS, Junos, Python, Ansible, syslog, NetFlow, SNMP, SIEM
3w
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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
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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
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
3mo
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Network Administrator SME
Colorado Springs, Colorado, United States
$110k-$160k/yr OnsiteFull Time
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
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
1mo
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Network Administrator
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
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)
1mo
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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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Staff Network Systems Administrator
Colorado Springs, Colorado, United States
$75k-$120k/yr HybridFull Time
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
2d
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Network Administrator - Ground System Specialist
Colorado Springs or California
$100k-$120k/yr OnsiteFull Time, Contract
2+ YOERequires Secret clearance, U.S. citizenship, 2+ years relevant experience, GPS or DoD satellite operations experience, network troubleshooting skills, and CompTIA Security+ certification; bachelor's degree desired.
Next Generation Operational Control Segment (OCX), Cross Domain Solution, High Speed Guard, GPS, GPS-type software, CompTIA Security+, MCS, TSF, AMCS, AEP
23h
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Network/System Administrator I
Colorado Springs, Colorado, United States
$110k-$130k/yr OnsiteFull Time
1+ YOERequires 1–3 years of related experience, a bachelor's degree or equivalent experience, Top Secret clearance with SCI eligibility, SAP access eligibility, DoD 8570.01-M certification within six months, and Windows, networking, and virtualization knowledge.
Microsoft Windows Server, Red Hat Enterprise Linux, Microsoft Hyper-V, VMware ESX, Xen, BMC Footprints, WSUS, Lumension, BitLocker, Microsoft SQL Server, Tomcat, IIS, Microsoft Windows 10, Microsoft Office, LogRhythm, ACAS, Nessus, SCAP, SELinux, RHEL, PitBull, AppArmor, Sentris, VOIP, Oracle, Apache
4d
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Network & IT Support Administrator
Colorado Springs, Colorado, United States
$54k-$73k/yr HybridFull Time
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
3w
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Network/System Administrator I
Colorado Springs, Colorado, United States
$110k-$114k/yr OnsiteFull Time
1+ YOE1-3 years related experience; meet DoD 8570.01-M IAT Level I within 6 months; knowledge of Windows and RHEL, CISCO networking, virtualization, LAN/WAN, and DoD policies; ability to lift 50 lbs; Top Secret/SCI eligibility and polygraph consent.
Microsoft Windows Server, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows 10, Red Hat 6.5, Microsoft Office Toolkits, SIEM, Logrhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache, CISCO
2d
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Network Virtualization Engineer/Administrator
Colorado Springs or Colorado Springs
OnsiteFull Time
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
3w
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Network-System Administrator I
Colorado Springs, Colorado, United States
OnsiteFull Time
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
1d
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Network Virtualization Engineer/Administrator - DoW
Colorado Springs or Colorado Springs
$130k-$145k/yr OnsiteFull Time
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
1mo
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Network/System Administrator (Net/Sys Admin) I
Colorado Springs, Colorado, United States
$72k-$97k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOETS/SCI with polygraph required, IAT Level I within 6 months, 1+ years related experience, knowledge of Windows/Linux/virtualization, networking, SIEM, and DoD policies; ability to lift 50 lbs.
Microsoft Windows Server, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, Microsoft SQL Server 2012, TomCat, IIS, Windows Server 2012r2, Windows Server 2016, Windows 10, Red Hat 6.5, Microsoft Office, SIEM, LogRhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, Apache, CISCO
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