PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
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
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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Sr Principal Linux Systems Administrator - Secret
Boulder, Colorado, United States
$129k-$194k/yr OnsiteFull Time
6+ YOEMust hold U.S. Secret clearance, meet 8140 IAT Level II (e.g., Security+) requirements, have extensive Linux server administration in a classified environment, cross-platform OS awareness, and meet degree/experience combination listed.
Red Hat Satellite, Ansible, HBSS, PRTG, Splunk, PowerShell, VMware, NFS, Microsoft Windows, Microsoft Active Directory, Cisco, Windows, Solaris, OSX, UNIX
1mo
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Sr Principal Linux Systems Administrator - Secret
Boulder, Colorado, United States
$129k-$194k/yr OnsiteFull Time
6+ YOESecret clearance required; IAT Level II (8140) certification (e.g., Security+) required; 6+ years IT experience (Masters) or equivalent; Linux server administration in classified environments; cross-platform OS awareness; Red Hat Satellite and Ansible experience preferred.
Linux, Red Hat Satellite, Ansible, HBSS, PRTG, Splunk, PowerShell, VMware, NFS, Microsoft Active Directory, Windows, Solaris, OSX, UNIX, Cisco
1mo
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Senior Linux Systems Administrator (TS/SCI with Full Scope Poly Required)
Aurora, Colorado, United States
$150k-$175k/yr OnsiteFull Time
15+ YOEActive TS/SCI with Full-Scope Poly, 15+ years DoD/IC or private sector experience, BS in a technical field, Security+ or higher/IAT2, AWS and Linux expertise, scripting, Jira/Confluence.
AWS, Linux, Jira, Confluence, Scripting
1mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
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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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
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
2mo
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Systems Administrator
Lafayette, Colorado, United States
$120k-$170k/yr OnsiteFull Time
5+ YOE5+ years in Systems Administration; DoD Secret clearance; TS/SCI eligible preferred; Linux/RHEL, virtualization (VMware/Hyper-V), cloud (AWS/Azure), RMF, networking, security
Linux, RHEL, VMware, Hyper-V, AWS, Azure, RMF, Networking
1mo
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Systems Sr Administrator (IT)
Denver, Colorado, United States
$78k-$119k/yr OnsiteFull Time
Senior UNIX/Linux systems administration in multi-location environments; production support; automation and open source tooling; strong ITIL practices.
Linux, OpenShift, Oracle, DB2, Puppet Enterprise, Confluence
3w
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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
2w
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Senior IT Systems Administrator
Broomfield, Colorado, United States
$110k-$175k/yr OnsiteFull Time
6+ YOE6+ years administering corporate IT systems; strong Microsoft 365/Entra ID, endpoint and SaaS administration; networking fundamentals; Windows/Linux endpoint lifecycle management; scripting (PowerShell, Python, Bash); GitLab and IaC experience.
Microsoft 365, Entra ID (Azure AD), Microsoft Intune, Jamf, Kandji, PowerShell, Python, Bash, GitLab, Infrastructure as Code (IaC), Windows, Linux, TCP/IP, DNS, DHCP, VPN
2mo
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Principal Systems Administrator
Aurora, Colorado, United States
OnsiteFull Time
15+ YOE15 years of Systems Administrator experience; Bachelor's degree or 5 additional years of experience; TS/SCI with Full Scope Polygraph.
UNIX, Windows, Networking
3mo
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Tier 3 System Administrator – TS/SCI with Polygraph
Aurora, Colorado, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOE5+ years of Linux/Windows system administration; TS/SCI with Polygraph; DoD IA certifications; US Citizenship. Bachelor's in Computer Science/Engineering or related field or equivalent experience.
Linux, Windows, Active Directory, DNS, DHCP, LDAP, PowerShell, VMware, SCCM, Outlook, JAVA, ITIL
1mo
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Database Administrator / Level 3
Boulder, Colorado, United States
$86k-$151k/yr OnsiteFull Time
3+ YOE3+ years experience, BS degree typically required, active Secret clearance required (ability to obtain TS/SCI), Linux experience, proficiency with Microsoft Office and Atlassian, and database expertise (PostgreSQL/MySQL/SQL Server).
Linux, Microsoft Office, Atlassian, PostgreSQL, MySQL, Microsoft SQL Server, Red Hat OpenShift, KVM, VMware, Python, Infrastructure as Code (IaC), Security Technical Implementation Guides (STIGs), Concept of Operations (CONOPS)
1mo
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Senior Database Administrator (Open Rank)
Aurora or Denver or Colorado
$75k-$114k/yr HybridFull Time
2+ YOEBachelor's in CS/IS/Engineering or equivalent experience; 2+ years Microsoft SQL Server/Azure SQL DBA experience; experience with Azure, Windows/Linux, PL/SQL, CI/CD, Terraform, GitHub, Power BI/Tableau, VMware, data lake/warehouse, and security frameworks (HIPAA, NIST).
Microsoft Azure, Microsoft Azure SQL, Microsoft SQL Server, Microsoft Windows, Microsoft Windows Server, Linux, PL/SQL, CI/CD, GitHub, Terraform, Microsoft Power BI, Tableau, Oracle Database 19c, VMware, Confluence, API, NIST 800-53, NIST 800-171, HIPAA
2mo
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ITS System Administrator (Lakewood, CO, US)
Lakewood, Colorado, United States
$78k-$98k/yr OnsiteFull Time
5+ YOE5+ years in systems administration; 2+ years configuring Azure/Office 365; strong Windows Server, virtualization, AD, backups; ITIL knowledge.
Microsoft Windows Server, Active Directory, Azure, Office 365, VMware, SQL, PowerShell, SharePoint, Exchange Online, Linux/Unix
2mo
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Senior Database Administrator
Hopkins or Atlanta or Chicago or Denver or Irving
$120k-$141k/yr HybridFull Time
7+ YOEBachelor’s degree or equivalent; 7+ years IT experience; 7+ years design/development of technology infrastructure; Visa sponsorship not available.
NoSQL databases, MongoDB, Cassandra, Elasticsearch, Couchbase, Ansible, Linux, Kubernetes, Cloud
1w
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Technical Systems Administrator II
Louisville, Colorado, United States
$84k-$115k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent experience, typically 2+ years related experience, understanding of IT systems, software configuration, CI/CD, and proficiency in software environments and upgrades.
CI/CD, Windows, Linux, Git, VMware, Hyper-V, AWS, Azure
1mo
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System Administrator/Cloud Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$90k-$237k/yr OnsiteFull Time
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
2mo
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IT Senior Systems Administrator
Greeley, Colorado, United States
$87k-$96k/yr OnsiteFull Time
10+ YOETen or more years of equivalent IT experience; Azure, VMware, Cisco, and ITIL certifications required.
Azure, Terraform, Ansible, VMware vSphere, NSX, Storage vSAN, iSCSI, SQL Server, Python, PowerShell, Windows Server, Linux/Unix, AD/DS, RADIUS, NLB, IIS
3mo
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Tier 3 System Administrator – TS/SCI with Polygraph
Aurora, Colorado, United States
$111k-$150k/yr OnsiteFull Time
5+ YOE5+ years of related systems administration experience; TS/SCI with Polygraph required; DoD IA Certification (Security+ CE/SSCP or CCNA-Security) preferred; 8570 training within 6 months.
Linux, Windows, Active Directory, DNS, DHCP, PowerShell, VMware
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