66 unix administrator jobs at 39 companies in Lyons, CO
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Unix Administrator
Denver, Colorado, United States
OnsiteFull Time
Manage, configure, tune, and secure large-scale Redhat/Oracle Linux systems; perform installations, patching, disaster recovery, and collaborate with security teams.
Redhat, Oracle Linux, RHEL, VMware, KVM, Microsoft Azure, Redhat Satellite, Shell
1mo
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Senior Basis Administrator
Denver, Colorado, United States
$102k-$153k/yr HybridFull Time
5+ YOEBachelor's degree and 5+ years SAP Basis administration experience; expertise with SAP ERP 6.0+, BW/BW4HANA, SAP platforms (EP, SRM, SCM/APO, TM, PO, Solution Manager, MII); Java/ABAP experience; Linux/Unix, Oracle, BOBJ knowledge; strong analytical and communication skills.
SAP, SAP ERP 6.0, BW/BW4HANA, EP, SRM, SCM/APO, TM, PO, Solution Manager, MII, Java, ABAP, Linux/Unix, Oracle, BOBJ, EarlyWatch reports, OSS
1w
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Principal Cyber Systems Administrator (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph, HS+10yrs or Bachelor's+5yrs, experience implementing/troubleshooting/maintaining IT systems, Tier1/2 support, UNIX and Windows administration, system monitoring and capacity planning.
UNIX, Windows
1w
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System Administrator
Aurora or Texas
$130k-$165k/yr OnsiteFull Time
Active TS/SCI clearance with CI polygraph, hands-on Windows and Linux administration, infrastructure troubleshooting, networking, virtualization, automation, security, and onsite Colorado work.
Windows, Linux, Windows 11, Windows Server 2022, Red Hat Enterprise Linux 8/9, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Exchange, WSUS, Kickstart, Bash, PowerShell, Git, Ansible, Terraform, Packer, GitLab, CI/CD, Nexus, Podman, Kubernetes, RKE2, K3s, Trident, Cisco Catalyst, Cisco Nexus, Palo Alto, Cisco VoIP, NetApp, Synology, Pure Storage, Veeam, Grafana, Prometheus, SolarWinds, Elastic Stack, Splunk, Nessus, Trellix, SCAP, CMMC
1mo
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Infrastructure/Systems Administrator
Sterling or Austin or Denver
$105k-$231k/yr OnsiteFull Time
10+ YOEActive TS/SCI with polygraph, bachelor’s degree or equivalent, 10+ years related experience, extensive Linux experience, systems administration, patching, troubleshooting, documentation, and collaboration skills.
Linux, Puppet, Satellite, IPA, Nagios, Net App
1w
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Sr. Systems Administrator
Denver, Colorado, United States
$136k-$166k/yr OnsiteFull Time
10+ YOERequires 10 years of systems administration experience or equivalent education, TS/SCI with active CI polygraph, systems and network expertise, operating systems knowledge, ITSM experience, and leadership abilities.
Windows, macOS, Linux, ITSM, Active Directory, ServiceNow, Remedy, Jira Service Management, CompTIA Server+, Microsoft Certified Systems Administrator, Red Hat Certified System Administrator
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
1mo
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Systems Administrator-Cleared
Denver or Folsom
$120k-$165k/yr OnsiteFull Time
3+ YOEActive TS/SCI required, 3+ years systems administration experience; manage Microsoft 365/Azure, Intune, Okta, AD, Windows/Linux servers, virtualization, Fortinet networking, and scripting (PowerShell/Bash/Python).
Microsoft 365, Microsoft Azure, Microsoft Intune, Okta, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Defender, Windows Server, Linux, Ubuntu, RHEL, CentOS, VMware vSphere, Hyper-V, Fortinet, FortiGate, FortiSwitch, FortiClient, Active Directory, PowerShell, Bash, Python, ServiceNow, Jira Service Management
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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
5d
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System Administrator for Linux
Aurora, Colorado, United States
$125k-$140k/yr OnsiteFull Time
3+ YOEBachelor's degree in computer science or related field, or 10 years equivalent experience; 5 years as an OS administrator, including 3 years in Linux and operations support. US citizenship, clearance eligibility, and Security+ within 6 months required.
Linux, Windows, AWS, Bash, Perl, Python, Ansible, Puppet, SELinux, EC2
2mo
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Systems Administrator
Greenwood Village, Colorado, United States
$80k-$95k/yr HybridFull Time
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
1w
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Slingshot Hardware System Administrator
Chippewa Falls or Fort Collins or Spring or Bloomington
$106k-$243k/yr HybridFull Time
4+ YOEBachelor's or master's degree in Computer Science, Information Systems, or equivalent; 4–6 years as a system or network administrator and lab technician; Linux, networking, scripting, and hardware lab experience.
Linux, LSF, Slurm, Shell, Bash, Python
1w
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Slingshot Hardware System Administrator
Chippewa Falls or Fort Collins or Spring or Bloomington
$106k-$243k/yr HybridFull Time
4+ YOEBachelor's or Master's degree in Computer Science, Information Systems, or equivalent; 4–6 years as a system or network administrator and lab technician; Linux, networking, scripting, and hardware lab experience.
Linux, LSF, Slurm, Shell, Bash, Python
1w
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Slingshot Hardware System Administrator
Chippewa Falls or Fort Collins or Spring or Bloomington
$106k-$243k/yr HybridFull Time
4+ YOEBachelor’s or master’s degree in computer science, information systems, or equivalent; 4–6 years as a systems or network administrator or lab technician; Linux, networking, filesystems, scripting, and hardware lab experience.
Linux, LSF, Slurm, Shell, Bash, Python
5d
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Principal Systems Administrator
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree and 6 years of related experience, or high school diploma and 10 years. Requires Windows, VMware, Active Directory, DNS, DHCP, TCP/IP, PowerShell, hardware, security, and DoD 8570 expertise.
Microsoft Windows, VMware, VMware vSphere ESXi, VMware vCenter, VMware vRealize Operations Manager, Microsoft Active Directory, PowerShell, Linux, AutoCAD, SolidWorks, ANSYS HFSS, DNS, DHCP, TCP/IP
1w
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Database Administrator IV
Denver or United States
$117k-$140k/yr RemoteFull Time
7+ YOESeven or more years administering enterprise databases; expertise in SQL, database architecture, security, performance, recovery, AWS services, Windows/Linux, automation, and production troubleshooting.
IBM Db2, Microsoft SQL Server, PostgreSQL, MySQL, MongoDB, SQL, Amazon RDS, Amazon Aurora, Amazon Redshift, PowerShell, Python, Bash, Windows, Linux, DevOps, Infrastructure as Code (IaC), CI/CD
1mo
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Infrastructure/Systems Administrator
Sterling or Austin or Denver
$105k-$231k/yr OnsiteFull Time
10+ YOEActive TS/SCI with poly, bachelor's or equivalent, 10+ years related experience, extensive Linux experience, strong troubleshooting, project experience, and ability to work off-hours.
Linux, Puppet, Satellite, IPA, Nagios, Net App
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)
3w
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IT Systems Administrator Senior - IT
Greenwood Village, Colorado, United States
$105k-$115k/yr OnsiteFull Time
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
3w
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System Administrator / Tier II Support
Greenwood Village, Colorado, United States
$69k-$120k/yr HybridFull Time
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
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