40 active directory administrator jobs at 28 companies in Colorado

3mo
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Active Directory Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$128k-$173k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
8+ YOE8+ years IT experience; TS/SCI with poly; AD DS/AD FS; GPO; DoD 8140 certs; US citizenship; onsite in Annapolis Junction, MD
Active Directory, Group Policy, DNS, Kerberos, NTLM, AD FS, Certificate Services, Federation Services
3mo
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Active Directory Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or MacDill AFB or Springfield
$128k-$173k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
8+ YOE8+ years IT experience; TS/SCI with poly; AD, DNS, GPO expertise; DoD 8140 certs; US citizenship; onsite in Annapolis Junction, MD.
Active Directory, AD DS, AD FS, DNS, Group Policy, GPO, Kerberos, NTLM
2mo
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Senior Systems Administrator
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Bluestaq
Bluestaq: Software firm building secure data-management platforms for defense, government, commercial, and allied organizations.
2+ YOEActive DoD Secret or Top Secret clearance, 2+ years systems administration experience, Linux and Active Directory administration, automation with Ansible/Terraform/Docker/Kubernetes, AWS familiarity, CompTIA Security+ required; Confluence and Jira experience.
Active Directory, Ansible, AWS, Confluence, Docker, Jira, Kubernetes, Linux, Packer, Terraform
3mo
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System Administrator III
Denver, Colorado, United States
HybridFull Time
Onward Energy
Onward Energy: Independent U.S. power generator owning and operating utility-scale wind, solar, and natural-gas projects for electricity customers.
7+ YOE7+ years system administration experience with Windows Server, Active Directory, virtualization, Azure, Microsoft 365, Intune, Hyper-V and strong troubleshooting and documentation skills.
Active Directory, Group Policy, DNS, DHCP, Microsoft Azure, Microsoft 365, Office 365, Entra, Exchange Online, SharePoint Online, Teams, Intune, Hyper-V, SAML, SCADA, PowerShell, Azure CLI
1mo
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Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
2+ YOEBachelor's degree or equivalent experience, 2+ years systems administration, CompTIA Security+/DoD 8570 IAT II, Active Directory, VMware, endpoint hardening, STIG/RMF familiarity, TS/SCI eligible.
Active Directory, VMware, PowerShell, Python, Bash, RHEL, Windows
3w
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Senior Systems Administrator
Loveland or Ames
$95k-$105k/yr HybridFull Time
Hach
Hach: Hach is a private water-analysis instrument, reagent, and software manufacturer serving municipal and industrial water operators.
6+ YOEBachelor’s degree or equivalent experience; 6+ years in enterprise infrastructure or systems administration; expertise in Windows Server, Active Directory, DNS/DHCP, Group Policy, VMware, PKI, email authentication, vulnerability remediation, and PowerShell.
Windows Server, Active Directory, VMware, DNS, DHCP, Group Policy, DKIM, SPF, DMARC, SSL/TLS, PKI, PowerShell
1mo
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GCCS Systems Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
Paragon Cyber Solutions
Paragon Cyber Solutions: Veteran-, woman-, and minority-owned cybersecurity and IT consulting firm serving startups, commercial companies, and government agencies.
5+ YOERequires Top Secret/SCI clearance, GCCS-J experience or 5+ years Windows/Linux systems administration, BS (or equivalent), VMware, Microsoft Active Directory, DoD 8570 IAT Level II certification, and ability to travel up to 50%.
GCCS-J, Windows, Linux, VMware, Microsoft Active Directory (AD), Microsoft Operating Systems, Oracle, Sybase, Postgress, Tomcat, JBoss, NFS, SSH, NTP, LDAP, HTTP, Ansible
3w
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Sr. System Administrator - South Dakota
Rapid City, Colorado, United States
$72k-$110k/yr OnsiteFull Time
P3S Corporation
P3S Corporation: Woman-owned federal contractor providing IT, financial management, and public-health program services to Defense and other government agencies.
Advanced Windows and Linux administration, Active Directory, Nutanix virtualization, performance analysis, patch engineering, backup/recovery, cybersecurity compliance, and cross-stack infrastructure integration experience.
Windows Server, Linux, Active Directory, Nutanix, PowerShell, Bash, Python, Ansible, DB2, IBM WebSphere, RMF, DISA STIG, NIST SP 800-122
3w
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Technical Systems Administrator II
Louisville, Colorado, United States
$87k-$120k/yr OnsiteFull Time
Sierra Space
Sierra Space: Commercial space and defense technology.
2+ YOEBachelor's or equivalent and typically 2+ years IT systems experience. Proficiency in OS installation/configuration, networking, virtualization, scripting, backup/recovery, Windows/Active Directory administration.
Ansible, Puppet, Chef, AWS, Azure, Active Directory, Computer Management
4d
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Principal Systems Administrator
Westminster, Colorado, United States
OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
6+ YOEBachelor's degree and 6+ years of related experience, or high school diploma and 10+ years. Requires active Top Secret clearance, Windows, VMware, Active Directory, networking, and PowerShell expertise.
Microsoft Windows, VMware, vSphere ESXi, vCenter, vRealize Operations Manager, Microsoft Active Directory, PowerShell, Linux, AutoCAD, SolidWorks, ANSYS HFSS, DNS, DHCP, TCP/IP
1mo
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
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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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
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
2w
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IT System Administrator
Westminster, Colorado, United States
$71k-$90k/yr OnsiteFull Time
GeoStabilization International
GeoStabilization International: Private geohazard mitigation contractor providing design-build landslide repair, rockfall mitigation, grouting, and infrastructure stabilization across North America.
Associate's or bachelor's degree in a related field or equivalent experience; Windows Server, cloud, Azure, Active Directory, networking, virtualization, backup, troubleshooting, and security knowledge required.
Windows Server, Azure, Active Directory, Group Policy, DNS, DHCP, Microsoft Exchange, MDM, Microsoft Intune, VMware, Hyper-V, TCP/IP, VLANs, Aruba, Dell, HP, FortiGate, Veeam, SolarWinds, Microsoft Azure, AWS, Google Cloud, PowerShell, Azure AD/Entra ID
2mo
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IT System Administrator II
Melbourne or Colorado
OnsiteFull Time
CesiumAstro
CesiumAstro: Developing advanced communication systems for space and airborne platforms.
2+ YOEMinimum 2 years corporate IT experience, Bachelor's in MIS/IT or related, strong Windows and Linux administration, networking knowledge, VMware ESXi, Microsoft 365/SharePoint, Active Directory, strong communication and troubleshooting skills; U.S. eligibility required for export-controlled technology.
Ubuntu, Windows 11, Windows Server 2019, Windows Server 2022, VMware ESXi, Microsoft 365, SharePoint, WSL, Active Directory
3w
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IT Systems Administrator
Meeker, Colorado, United States
$39-$54/hr OnsiteFull Time
Pioneers Medical Center
Pioneers Medical Center: Government-operated community hospital providing acute, family, orthopedic, home-health, and long-term care to Meeker and White River Valley.
Manage Windows and Linux servers, networks, security, virtualization, cloud environments, backups, Active Directory, monitoring, user support, documentation, HIPAA, and emergency response.
Windows, Linux, VMware, Hyper-V, AWS, Azure, Google Cloud, Active Directory, HIPAA
1w
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Tier 1 Systems Administrator - Tuesday-Saturday & Holidays
Boulder, Colorado, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Technology and engineering solutions for defense and infrastructure.
0+ YOESecret DoD clearance with TS/SCI eligibility, Security+ or equivalent IAT certification, bachelor's degree or equivalent experience, and administration experience with Red Hat, Windows, Active Directory, virtualization, and networks.
Red Hat Enterprise Linux, Microsoft Windows, Microsoft Active Directory, VMware vSphere, VMware ESXi, Virtual Machines, Containers, Red Hat RPMs, HBSS, ACAS, OpenSCAP, ePO, SCC, KVMoIP, Security Information and Event Management (SIEM), Elastic, Linux, Docker, Kubernetes, Kickstart, DHCP, Ansible, SDN, RPM, Chef, Puppet, JIRA, DI2E, Confluence, VMware Workstation, VMware vCenter, AWS EC2, AWS S3, AWS Glacier, OpenShift, Shell, Python, Perl, NAS, SAN, CPU, GPU, Ethernet, IP
1mo
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Service Desk Administrator
Johnston or Melbourne or Tempe or Austin or Aurora or Greenwood Village or Corona or St. Paul or St. Louis or Sioux Falls or McHenry or Houston or Cedar Rapids
$50k-$81k/yr OnsiteFull Time
HR Green
HR Green: Private U.S. civil engineering firm providing planning, design, and consulting services to public and private-sector clients.
1+ YOE1–5 years help desk/IT support experience; working knowledge of Windows 11, Microsoft 365, Citrix, SCCM, Active Directory; valid driver’s license and reliable transportation.
Windows 11, Microsoft 365, Outlook, Teams, OneDrive, Citrix, SCCM, Active Directory, Entra ID (Azure AD)
1mo
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System Administrator / Tier II Support
Greenwood Village, Colorado, United States
$69k-$120k/yr HybridFull Time
Arcfield
Arcfield: Provider of mission-focused defense engineering and cybersecurity services.
2+ YOEMust maintain active TS/SCI with polygraph, DoD 8570 IAT Level II (e.g., Sec+, CISSP), 2+ years relevant experience (varies by degree), Windows, Active Directory, virtualization, networking, scripting, and Linux skills.
Windows, Active Directory, Exchange, VMware, Hyper-V, TCP/IP, DHCP, PowerShell, Bash, Python, Linux, Voice over IP, Microsoft On-Premise Software Center Configuration Management
1mo
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IT Systems Administrator Senior - IT
Greenwood Village, Colorado, United States
$105k-$115k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: U.S. space and defense prime building spacecraft and integrated mission solutions for national-security, government, and commercial customers.
5+ YOE5+ years administering enterprise Windows and Linux server environments, virtualization (VMware vSphere/Hyper-V), Active Directory, DNS/DHCP, backups/DR, networking fundamentals, and security best practices.
VMware vSphere, Hyper-V, Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy
4d
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IT Infrastructure Administrator
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$45k-$142k/yr RemoteFull Time
Husch Blackwell
Husch Blackwell: U.S. full-service law firm providing legal counsel, litigation, regulatory, and transactional services to business and institutional clients.
3+ YOEHigh school diploma or GED required; 2-year degree preferred. Requires 3+ years of relevant experience, Windows Server and Azure/AWS knowledge, PowerShell/Bicep/batch scripting, and Active Directory, DNS, DHCP, and networking familiarity.
Windows Server, Azure, AWS, PowerShell, Bicep, Active Directory, DNS, DHCP, Azure Virtual Desktop (AVD), Microsoft Exchange Online, Microsoft Teams, Teams Phones, Microsoft Intune, Microsoft OneDrive for Business, ITIL

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