100 junior system administrator jobs at 77 companies in Thornton, CO
5d
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System Administrator
Fort Collins, Colorado, United States
$84k-$117k/yr HybridFull Time
1+ YOEBachelor's degree or equivalent in business administration, computer information systems, or related field; 1 year project/program management and cross-functional team leadership; ability to obtain CSM certification within 1 year.
Juniper Networks, Juniper Mist
1w
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System and Desktop Administrator
Denver, Colorado, United States
HybridFull Time
1+ YOEHigh school diploma or GED, one year of technology experience, and hardware, software, network troubleshooting, and operating system knowledge. Requires communication, customer service, confidentiality, and physical mobility.
Helpdesk, Internet, operating system, scissor lifts, telehandlers, boom lifts, UTVs
1mo
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System Administrator- Must have TS/SCI Poly clearance
Aurora, Colorado, United States
$69k-$131k/yr OnsiteFull Time
2+ YOEActive transferable TS/SCI with CI poly, DoD 8570 IAT Level 2 cert, bachelor\u0002s and ~2 years experience, Linux RedHat and Microsoft Windows experience, virtualization/cloud (Citrix, VMware, AWS), 24x7 operations support.
Linux RedHat, Microsoft Windows, Citrix, VMware, Amazon Web Services (AWS), Cloudera, Oracle, Dell/EMC, Isilon/PowerScale, NetApp
2d
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Systems Administrator
Greeley or Scottsbluff
$70k-$93k/yr OnsiteFull Time
2+ YOERequires 2+ years of desktop support or network administration experience for Level I, 3–5 years systems administration for Level II, or 6+ years for Level III; Microsoft 365 Administration and/or Entra AD required.
Microsoft 365, Entra AD, Microsoft, VMware
3w
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Project Administrator
Denver, Colorado, United States
$45k-$83k/yr HybridFull Time
0+ YOEHigh school diploma or GED and up to two years of related experience or training. Requires communication, problem-solving, prioritization, basic accounting, and financial systems experience.
HVAC, BAS
1mo
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Office Administrator - UniFirst
Aurora, Colorado, United States
$53k-$73k/yr OnsiteFull Time
Prefer two-year degree and ~2 years management experience; strong communication, people-management, payroll/HR support, data entry, customer service, and proficiency with Microsoft Word, Excel, PowerPoint, Access and UniFirst systems.
Microsoft Word, Microsoft Excel, PowerPoint, Access, UniFirst Account Management System
1mo
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Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
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
1w
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Database Administrator
Lakewood or Washington or Kansas City or Raleigh or Fort Worth or Tacoma
$108k-$158k/yr OnsiteFull Time
1+ YOEGS-13 applicants need one year of specialized database administration experience equivalent to GS-12, including enterprise financial systems, UNIX/Linux, monitoring, security, changes, cybersecurity, audit readiness, and documentation.
Oracle Database, UNIX, Linux
2mo
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Linux Administrator II
Westminster, Colorado, United States
$33-$39/hr OnsiteFull Time
2+ YOEBachelor's degree in a technical discipline with 2+ years Linux systems administration; networking fundamentals (TCP/IP, DNS, DHCP, VLANs), cybersecurity best practices, troubleshooting, operational readiness, and strong cross-team communication.
Linux, TCP/IP, DNS, DHCP, VLANs, firewalls
2w
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Systems Administrator I
Boulder, Colorado, United States
$75k/yr HybridFull Time
Requires a bachelor's degree or equivalent experience, Windows systems knowledge, networking fundamentals, ticketing-system experience, communication skills, U.S. work authorization, and ability to obtain Public Trust clearance.
Windows, Sunflower, Service Desk Plus, LAN, WLAN, TCP/IP, DNS, DHCP, Microsoft Office, UNIX, Linux, macOS, Druva, BigFix, TeamViewer, Jamf Pro, Apple Business Manager, FISMA, NIST 800-53, Risk Management Framework (RMF)
3w
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Technical Systems Administrator II
Louisville, Colorado, United States
$87k-$120k/yr OnsiteFull Time
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
2w
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS Storage, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus, ESXi, iptables, Wiki
2w
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, active Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), NISPOM, DCID 6/3, ICD 503, RMF, STIG, JAFAN, JSIG, RAID, Single Sign-On, ESXi, iptables, Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus
3d
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Rental Owner Services Administrator
Copper Mountain or Summit County or Denver
$24/hr OnsiteFull Time, Seasonal
High school diploma required; hospitality, property management, resort operations, communications, business, sales, or customer service experience preferred. Must use Microsoft Office and property management systems.
Microsoft Word, Microsoft Excel, Microsoft Office, Microsoft Outlook, Visual One (V1)
3d
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Human Resources Administrator (Temp Assignment)
Detroit or Lithia Springs or Plymouth or Sterling or Plain City or Renton or Denver or Dallas
RemoteTemporary
1+ YOERequires 1+ year administrative, HR, recruiting, or similar support experience; strong organization, communication, confidentiality, multitasking, spreadsheet, reporting, and administrative systems skills.
Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft Outlook, HRIS
2mo
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IT Administrator / SOC Analyst
Denver, Colorado, United States
$60k-$85k/yr HybridFull Time
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
1mo
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Sr. Subcontracts Administrator
Centennial or United States
$80k-$110k/yr FieldFull Time
0+ YOEBachelor's degree or equivalent, 0-3 years subcontracting/procurement experience, US citizenship required, proficiency with ERP systems and Microsoft Word/Excel/PowerPoint, analytical and negotiation skills.
ERP, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Sr. Subcontracts Administrator
Centennial, Colorado, United States
$80k-$110k/yr FieldFull Time
0+ YOEBachelor's in related field or equivalent, 0–3 years subcontracting/procurement experience, US citizenship required, experience with strategic sourcing, negotiations, ERP systems and Microsoft Word/Excel/PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3d
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Network & IT Support Administrator
Denver or Colorado Springs
$54k-$73k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years of IT support or systems administration, driver's license, strong troubleshooting and customer service skills, and experience with Google Workspace, Microsoft 365, Salesforce, and healthcare technology.
Google Workspace, Microsoft 365, ChromeOS, VPN, Software-as-a-Service (SaaS), Salesforce, Electronic Health Records (EHR), Cisco Meraki, Virtual Desktop Infrastructure (VDI), Single Sign-On (SSO), VoIP, Google Cloud
1w
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Administrative Support I
Loveland, Colorado, United States
OnsiteFull Time
Administrative support experience in a fast-paced environment, including data entry, spreadsheets, filing, phone and email communication, web-based systems, and logistics terminology.
Microsoft Word, Microsoft Excel, Microsoft Outlook
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