23 junior linux system administrator jobs at 14 companies in Castle Pines, CO
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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
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
2mo
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Senior Systems Administrator
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
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
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
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
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)
1w
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System Reliability & Support Specialist - Production Support
Pittsburgh or Phoenix or Denver or Birmingham or Dallas or Cleveland
$64k-$117k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2+ years of relevant professional experience preferred. Requires production support, Linux and Windows administration, incident management, troubleshooting, Dynatrace/Logscale, and SQL/ETL skills.
Linux, Windows, Dynatrace, Logscale, Jira, Confluence, ServiceNow, SQL, ETL, SQL Server
3d
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Systems Administrator II
Broomfield or Boulder
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor’s degree plus 2+ years related experience or equivalent technical experience; active Top Secret clearance with TS/SCI eligibility; Security+ or equivalent DoD IAT Level II certification; Active Directory, Windows, VMware, patching, and security compliance experience.
Active Directory, VMware, DNS, DHCP, RMF, NIST 800-53, JSIG, STIGs, PowerShell, Python, Bash, Linux, RHEL, NISPOM, ICD 503
2mo
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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
1w
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Tier 1 Systems Administrator - Tuesday-Saturday & Holidays
Boulder, Colorado, United States
$75k-$131k/yr OnsiteFull Time
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
1w
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IT Systems Adiminstrator
Broomfield or Centennial or Knoxville or Loveland or Mount Vernon
$90k-$110k/yr OnsiteFull Time
2+ YOEBachelor’s degree preferred or equivalent experience, with 2+ years in systems, cloud, or infrastructure administration. Requires Linux, databases, cloud, scripting, compliance knowledge, U.S. citizenship, and ability to obtain a security clearance.
Microsoft Azure GCC High, Linux, High Performance Computing (HPC), Microsoft SQL Server, PostgreSQL, MySQL, Slurm, PBS, LSF, PowerShell, Ansible, Terraform, Docker, Kubernetes, MES, ERP, PLM
1mo
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ADC Engineer I, Non-Relational Database Services, DBS Non Relational
Denver, Colorado, United States
$91k-$152k/yr OnsiteFull Time
1+ YOEActive TS/SCI clearance required; 1+ years systems administration (Linux/Windows); experience in 24x7 operational environments; strong Linux fundamentals; troubleshooting and automation skills; high school or equivalent or related certs.
Linux, UNIX, Windows
4w
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DoD SkillBridge Intern – (Cyber Security Analyst) (Active Duty Service Members)
Colorado Springs, Colorado, United States
OnsiteInternship
2+ YOERequires SkillBridge approval, active DoD 8140 certification, 2+ years in a SOC, cybersecurity analysis, or Windows/Linux system administration, plus U.S. citizenship and Secret clearance eligibility.
Cyber Tasking Orders (CTOs), Security Operations Center (SOC), SIPRNET, NIPRNET, Windows, Linux, encryption, MFA, Zero Trust
1w
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DevOps Engineer I (New Grad)
Denver or Long Beach or Centennial
$75k-$80k/yr OnsiteTemporary
0+ YOEBachelor's degree or equivalent experience, 0–2 years in DevOps, cloud, or systems administration, Linux and scripting familiarity, CI/CD and containerization knowledge, and U.S. citizenship with eligibility for DoD clearance.
GitHub Actions, Kubernetes, Microsoft Azure, Terraform, Docker, Linux, Bash, Python, Amazon Web Services (AWS), Google Cloud Platform (GCP)
4w
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DoD SkillBridge Intern – (Cyber Security Analyst) (Active Duty Service Members)
Colorado Springs, Colorado, United States
OnsiteInternship
2+ YOE2+ years SOC or system administration experience (Windows/Linux), Active DoD 8140 workforce certification, SkillBridge approval, ability to process CTOs, analyze SOC alerts, and conduct threat intelligence; U.S. citizenship required with Secret clearance and TS/SCI eligibility.
SIPRNET, NIPRNET, Windows, Linux, MFA, Zero Trust
4w
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Systems Analyst I
Westminster, Colorado, United States
$60k-$73k/yr HybridFull Time
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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