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21 network admin jobs at 15 companies in Castle Rock, CO

2mo
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Hardware/Network Admin
Colorado Springs, Colorado, United States
$88k-$152k/yr OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
7+ YOE2+ MgmtSenior IT leader with hardware/network expertise; TS/SCI clearance required; strong leadership and project management.
SolarWinds, Nagios, PRTG, VMware, Hyper-V, AWS, Azure, Google Cloud, SD-WAN
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1d
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Network System Admin
Boulder, Colorado, United States
RemoteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
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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4w
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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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4w
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Network/System Administrator (Net/Sys Admin) I
Colorado Springs, Colorado, United States
$72k-$97k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
1+ YOETS/SCI with polygraph required, 1+ years IT experience, working knowledge of Windows/Linux/CISCO/virtualization, ability to obtain IAT Level I, familiarity with DoD policies, lift up to 50 lbs.
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 Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office Toolkits, SIEMs, Logrhythm, ACAS/Nessus/SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache, CISCO
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6d
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Telecom System Admin (Full-time) - Healthcare IT (Boulder, CO)
Boulder, Colorado, United States
$78k-$97k/yr OnsiteFull Time
Boulder Medical Center
Boulder Medical Center: Physician-owned group providing primary and specialty healthcare services.
3+ YOE3+ years supporting multi-site systems, advanced knowledge of Microsoft operating systems, PBX/3CX telephony, networking and virtualization; bachelor\u0002s or equivalent experience required.
3CX, PBX, Linux, SAN, Microsoft operating systems
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1d
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IT Admin/Help Desk
Colorado Springs, Colorado, United States
$70k-$80k/yr OnsiteFull Time
Sigmatech
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
1+ YOEHelp desk and systems administration experience in enterprise IT; proficiency with Windows, Active Directory, Microsoft 365, networking, troubleshooting, and cybersecurity. Active Secret clearance required; associate or bachelor's degree preferred.
Microsoft Windows, Active Directory, Microsoft 365, Group Policy, DNS, DHCP, TCP/IP, SCIF
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2mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEDoD 8570 IAT Level II (Security+ or CISSP) or willingness to obtain; BS in CS/IT; 7+ years Linux server/desktop administration and network troubleshooting; DevOps knowledge; willingness to learn.
Linux, AWS, Puppet, IPA, Kubernetes, Ansible, Scripting
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2mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOETS/SCI with Polygraph required; DoD 8570 IAT Level II (Security+ or CISSP) required or must obtain; Bachelor’s degree in CS/IT; ~7 years Linux system administration and network troubleshooting; cloud (AWS), DevOps, Puppet/IPA/Kubernetes/Ansible experience preferred.
Linux, Nutanix, AWS, IPA, Puppet, Kubernetes, Ansible
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2mo
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System Administrator/Cloud Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$90k-$237k/yr OnsiteFull Time
ICR
ICR: Provides IT and security services
3+ YOETop Secret/SCI eligibility required; Kubernetes (K3s) experience; Linux admin; AWS Snowball Edge/Outpost; 3+ years system admin; DevSecOps pipelines; network protocols.
Kubernetes, AWS Snowball Edge, AWS Outpost, Linux, Bash, Python, Git, Ansible, Ingress controllers, Proxy server administration, NPE Certificate Management
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1w
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Cyber Range Engineer
Colorado Springs, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years with IaC (Ansible, Terraform, Puppet), virtualization, Linux/Windows admin, networking, Docker, SIEM tools, Python automation; TS/SCI clearance required.
Ansible, Terraform, Puppet, VMware ESXi, Proxmox, Microsoft Hyper-V, Active Directory, Exchange, DNS, Docker, Suricata, Zeek, Elastic, Python, MITRE ATT&CK, Git, GitLab, GitHub
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2mo
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Technical Consultant
Denver, Colorado, United States
$75k-$90k/yr HybridFull Time
Greystone Technology
Greystone Technology: Provides outsourced managed IT support and technology consulting services.
4+ YOEProvide comprehensive technical support and consulting; 4+ years in Systems Admin/IT Manager; 3+ years with MSP; strong MS platforms, networking, cloud, virtualization, and security knowledge.
Microsoft Windows, Microsoft 365, Active Directory, Networking (TCP/IP, DNS, DHCP), AWS, Azure, VMware, Hyper-V
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2mo
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Senior Systems Administrator - IT Engineer
Golden, Colorado, United States
$100k-$120k/yr OnsiteFull Time
Lunar Outpost
Lunar Outpost: Develops autonomous robotic systems and rovers for lunar exploration.
4+ YOEBachelor's in IT or equivalent, 4+ years systems/network admin experience, Azure Fundamentals cert, experience with ESXi, AWS, Kubernetes, Okta, scripting (Bash, Python, PowerShell), and familiarity with NIST frameworks.
ESXi, VMware, Microsoft Azure, SharePoint Online, Kubernetes, Okta, Okta Flows, Bash, Python, PowerShell, AWS, Terraform, Office 365, Intune, Jamf Pro
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2mo
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Technical Consultant
Denver, Colorado, United States
$75k-$90k/yr HybridFull Time
New Charter Technologies
New Charter Technologies: Provides managed IT and cybersecurity services for businesses.
4+ YOEProvide advanced IT support, diagnose complex issues, manage tickets, travel to client sites, mentor engineers; 4+ years in IT admin/manager; 3+ years MSP preferred.
Microsoft 365, Active Directory, Windows, Networking, TCP/IP, DNS, DHCP, LAN/WAN, AWS, Azure, VMware, Hyper-V
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6d
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Systems Analyst I
Westminster, Colorado, United States
$60k-$73k/yr HybridFull Time
DataLab USA
DataLab USA: Provides database marketing analytics and predictive modeling solutions.
1+ YOE1–3 years IT support or systems admin experience; Windows and Server administration, Microsoft 365/Office365, networking fundamentals, Active Directory, Intune, endpoint tools, EMR not mentioned; CompTIA Security+ encouraged.
Windows 11, Windows Servers, VOIP, Microsoft Office 365, TCP/IP, LAN, WAN, Red Hat Linux, macOS, Active Directory, Intune, LogMeIn, Microsoft 365, Azure, AWS, JIRA, PowerShell, Python, Bash
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1mo
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IT Administrator / SOC Analyst
Denver, Colorado, United States
$60k-$85k/yr HybridFull Time
Apollo Information Systems
Apollo Information Systems: Provides intelligence-led cybersecurity services and managed security programs.
2+ YOE2+ years IT/systems admin or helpdesk experience; systems administration, networking, cloud (M365/Azure/AWS), and basic scripting (PowerShell, Bash, Python); SIEM/EDR familiarity and willingness to support SOC shifts.
Microsoft M365, Azure, AWS, PowerShell, Bash, Python, Microsoft Entra, Microsoft Exchange, Microsoft Intune, Microsoft SharePoint, CrowdStrike, Sophos, SentinelOne, Exabeam, Azure Sentinel, Splunk, Fortinet, SIEM, EDR, MDR, IDS/IPS, Google Workspace
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2w
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Systems Administrator, DCO (Colorado Passport Agency)
Centennial, Colorado, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
0+ YOEU.S. citizen with active Secret clearance. Windows systems admin experience, troubleshooting hardware/software, enterprise end-user support, networking basics, and ServiceNow or Remedy experience. Degree/experience combinations specified.
ServiceNow, Remedy, SCCM, Active Directory, vSphere, SQL, Microsoft Defender, IBML Scanner Appliances, Intermec PM43, TCP/IP, DNS
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2mo
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Systems Administrator
Schriever AFB, Colorado, United States
$107k-$183k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
7+ YOEBachelor's in CS or related with 7+ years' experience, 5+ years Linux/UNIX admin, DOD 8570 IAT Level II cert, Top Secret clearance (must possess) and able to obtain TS/SCI, RHEL and VMware experience, networking and security tool familiarity.
VMware, DISA STIG, ACAS, Red Hat Enterprise Linux (RHEL), Microsoft Server, Palo Alto, Cisco, Wireshark, Commvault
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1w
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Cyber Range Engineer
Schriever AFB, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years building IaC (Ansible,Terraform,Puppet), virtualization (VMware ESXi,Proxmox,Hyper-V), Linux/Windows admin, L2/L3 networking, Docker, SIEM tools (Suricata,Zeek,Elastic), Python automation, MITRE ATT&CK knowledge, TS/SCI clearance required.
Ansible, Terraform, Puppet, VMware ESXi, Proxmox, Microsoft Hyper-V, Active Directory, Exchange, DNS, Docker, Suricata, Zeek, Elastic, Python, RESTful APIs, Git, GitLab, GitHub
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