38 systems admin jobs at 26 companies in Denver, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
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
1mo
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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
1mo
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Systems Administrator
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's degree with IT experience; TS/SCI clearance with poly; Linux/Windows admin; VMware; NAS storage; after-hours support.
Linux, Windows, VMware, NetApp, ON-TAP, RMF, STIG, Nessus, Tenable, Active Directory, GPO, Splunk
1w
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Salesforce Systems Administrator - County
Denver, Colorado, United States
$72k-$83k/yr HybridFull Time
State of Colorado
State of Colorado: Provides essential public services and administrative governance to residents.
3+ YOEExperienced Salesforce administrator with strong CI/CD, sandbox management, integration troubleshooting, declarative automation, and system admin duties; seven years Salesforce admin experience or bachelor\u0002s + three years; Salesforce cert preferred.
Salesforce, Jenkins, GitHub, MuleSoft, AWS, Heroku, Postgres, G Suite, Jira
2w
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AWS Systems Admin III - ACE Product Engineering
Seattle or Brevard County or Denver
$151k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOE3+ years AWS infrastructure administration, IaC (Terraform/Ansible/CloudFormation), scripting (Python/Bash/PowerShell), Linux, relational DBs, PLM backend support experience, Git/CI-CD, and must be a U.S. Person.
EC2, VPC, EFS, S3, RDS, ALB, Lambda, Terraform, Ansible, CloudFormation, Python, Bash, PowerShell, Oracle, MS SQL, Linux, Git, Datadog, Splunk, PagerDuty, Docker, Kubernetes, Teamcenter, Windchill
1mo
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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
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
4d
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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
2w
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IP Admin Senior Analyst (Trademark Docketing)
Alexandria or Ann Arbor or Denver or Kansas City or Tempe or Philadelphia
$50k-$70k/yr HybridFull Time
Clarivate
ClarivateNew York Stock Exchange: CLVT: Provides data, analytics, and software for the global innovation lifecycle.
1+ YOE1+ year trademark docketing experience, familiarity with IP docketing systems, Microsoft Suite proficiency, associate degree or equivalent experience.
FoundationIP, Memotech, IPFolio, Microsoft Outlook, Microsoft Word, Microsoft Excel
2w
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IP Admin Senior Analyst (Trademark Docketing)
Alexandria or Ann Arbor or Denver or Kansas City or Tempe or Philadelphia
$50k-$70k/yr HybridFull Time
Clarivate
ClarivateNYSE: CLVT: Provides data, analytics, and workflow solutions for global innovation.
1+ YOEAssociate's degree or equivalent experience, 1+ year trademark docketing experience, familiarity with IP docketing systems, and Microsoft Outlook/Word/Excel proficiency.
FoundationIP, Memotech, IPFolio, Microsoft Outlook, Microsoft Word, Microsoft Excel
2mo
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Accounting & Finance Systems Administrator
Denver or Long Beach
$90k-$135k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
3+ YOENetSuite Administrator certification required; 3+ years NetSuite admin experience; strong accounting/finance knowledge; integration experience; detail-oriented.
NetSuite, iPaaS, APIs
5d
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Systems Administrator - Level 2 or 3
Aurora, Colorado, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive DoD TS/SCI clearance, RHEL server administration, VMware and virtualization experience, DoD 8570 IAT Level II (e.g., Security+ CE) or ability to obtain, ability to lift 40 lbs, 2+ years server admin experience preferred.
RHEL, Linux, UNIX, VMware, Active Directory
2mo
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Global Learning & Knowledge Systems Administrator - ACS
New York or California or Florida or Maryland or New Jersey or North Carolina or Texas or Virginia or Boston or Philadelphia or Atlanta or Chicago or Denver or Seattle
RemoteFull Time
Turner Construction
Turner Construction: Manages and constructs large-scale commercial and infrastructure projects.
3+ YOELMS and knowledge management admin with 3–5 years experience; Absorb LMS preferred; global scope; multilingual and governance knowledge.
Absorb LMS, SCORM, xAPI, AICC, SharePoint, Confluence, Power BI, Tableau, SSO, APIs, HRIS
1w
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Admin Asst - CO
Denver, Colorado, United States
$21-$25/hr OnsiteFull Time
EDCare
EDCare: Provides specialized medical treatment for individuals with eating disorders.
2+ YOE2+ years administrative support experience (healthcare preferred); EMR experience; strong oral/written communication; ability to master scheduling systems; customer-facing reception skills.
Electronic Medical Records (EMR)
1mo
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Business System Manager
American Fork or Tampa or Denver or Raleigh or Dallas or Phoenix or Wheaton or Hillsborough or Idaho or South Carolina
$65k-$100k/yr RemoteFull Time
Elase
Elase: Provides medical aesthetic treatments and personalized wellness services.
2+ YOEBachelor's degree required; 2+ years as systems admin; POS proficiency (Zenoti preferred); strong MS Office skills; project management, vendor management, documentation, training, and multi-unit med spa experience preferred.
Point of Sale (POS), Zenoti, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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
3mo
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Technical Consultant - System Engineering focus
Charlotte or Denver or Redlands or St. Louis or Washington
$84k-$142k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
5+ YOE5+ years in enterprise GIS; ArcGIS Enterprise admin; strong system engineering; travel up to 25%.
2w
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Sr. Windows System Admin/Helpdesk- TS/SCI W/Poly - Littleton, CO
Littleton, Colorado, United States
$86k-$151k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active TS/SCI with polygraph, U.S. citizenship, IAT II (e.g., Security+), experience with Active Directory, MECM/SCCM, ServiceNow, VMware/Hyper-V, hardware/software installs, and ability to lift 50 lbs.
Active Directory, VMware, Hyper-V, Microsoft Endpoint Configuration Manager (MECM/SCCM), Microsoft Service Manager, ServiceNow, Ansible, PowerShell, Terraform, Chef, Puppet, NetApp, Nimble, Racktop, KVM, Nutanix, Azure, DNS, RDS, HorizonView, Xen
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
3d
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Director of Mission Operations
Centennial, Colorado, United States
RemoteFull Time
Communitas International
Communitas International: Global movement starting and shaping missional communities of faith.
Proven operational leadership in ministry or nonprofit settings; ability to build systems, lead teams, oversee IT/admin/compliance, coach staff, and work remotely across time zones.
Google Workspace, Microsoft Office, Zoom