88 junior system administrator jobs at 67 companies in Aurora, CO
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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
1w
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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
1w
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Office Administrator
Monument, Colorado, United States
$18-$22/hr OnsiteFull Time
2+ YOE2+ years customer-facing experience, 1+ year AP/AR/payroll preferred, valid driver’s license, ability to use multiple software systems including Microsoft Office, strong communication skills.
Microsoft Office
3w
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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
2w
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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
1mo
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Systems Administrator, Tech Infrastructure
Saint Petersburg or Denver or Southfield
$60k-$100k/yr OnsiteFull Time
0+ YOETranslate functional specs, document interfaces, analyze and validate requirements, produce reports, and support system development; bachelor’s degree in accounting, business administration, or computer and information science required.
1mo
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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
3d
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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)
1w
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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
3d
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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
1mo
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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
3w
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Systems Administrator, DCO (Colorado Passport Agency)
Centennial, Colorado, United States
$66k-$106k/yr OnsiteFull Time
0+ YOEActive U.S. citizenship and Secret clearance, Windows systems administration experience, ServiceNow/Remedy, SCCM, Active Directory, vSphere, SQL, Microsoft Defender, networking fundamentals; bachelor/master/associate/HS experience combinations listed.
SCCM, Active Directory, vSphere, SQL, Microsoft Defender, ServiceNow, Remedy, IBML Scanner Appliances, Cisco
4w
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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
4w
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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
1w
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Systems Administrator Technician _TS/SCI with Polygraph
Aurora, Colorado, United States
$64k-$69k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOERequires 1+ year related experience, technical training, certification or degree, CompTIA Security+ CE, TS/SCI with polygraph clearance, U.S. citizenship, and knowledge of IT infrastructure, hardware, systems administration, and ITIL practices.
VoIP, ITIL, Install Move Add Change Disposal (IMACD), Configuration Management Database (CMDB), Technical Exchange Meetings (TEMs), CompTIA Security+ CE
1w
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Systems Administrator Technician _TS/SCI with Polygraph
Aurora, Colorado, United States
$64k-$69k/yr OnsiteFull Time
1+ YOERequires 1+ year of related experience, technical training, certification, or degree, CompTIA Security+ CE, TS/SCI with polygraph clearance, U.S. citizenship, and knowledge of hardware, systems administration, troubleshooting, and ITIL practices.
CompTIA Security+ CE, VoIP, Configuration Management Database (CMDB), ITIL
3w
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Systems Administrator, DCO (Colorado Passport Agency)
Centennial, Colorado, United States
$66k-$106k/yr OnsiteFull Time
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
4d
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Research Computing Storage Administrator
Boulder, Colorado, United States
$71k-$78k/yr HybridFull Time
2+ YOEBachelor's degree in science, engineering, or related field, or equivalent experience, plus 2 years administering storage systems in Linux or Unix environments and experience with ZFS or parallel file systems.
Linux, Unix, NFS, SMB, Red Hat Enterprise Linux, ZFS, GPFS, Lustre, BeeGFS, Globus, GridFTP, TCP/IP, InfiniBand, Puppet, Ansible, git, AWS, Azure, GCP, iRODS, corosync, pacemaker
1mo
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DevOps Engineer - Junior
Denver or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
0+ YOETS/SCI clearance (ability to obtain Poly), Bachelor's degree in a technical discipline, 0–3 years supporting DevOps/DevSecOps or system administration, familiarity with Linux, scripting (Python/Bash/PowerShell), Git, CI/CD and container technologies.
Linux, Python, Bash, PowerShell, Git, Jenkins, GitLab CI/CD, GitHub Actions, Bamboo, Docker, Kubernetes, AWS, Azure, Google Cloud, Terraform, Ansible
1mo
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Administrative Assistant
Denver, Colorado, United States
$51k/yr OnsiteFull Time
2+ YOE2+ years administrative experience (accounting, operations, or HR); proficiency with Microsoft Outlook/Word/Excel; strong organization, time-management, confidentiality, and communication skills; ability to support multiple leaders and learn new systems.
Microsoft Outlook, Microsoft Word, Microsoft Excel
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