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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Systems Administrator (Enterprise Infrastructure) - **Company:** CareerCircle - **Location:** Boulder, CO, United States (Remote available) - **Salary:** $114,400.0 - $135,200.0 - **Contract:** Temporary contract - **Skills:** Agile Methodology, Artificial Intelligence, User Authentication, Bash Shell, CentOS, Cloud Computing, Cloud Database, Cloud Storage, Software Documentation, Cyber Security, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Perl (Programming Language), FreeBSD, Identity and Access Management, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Linux System Administration, Linux Servers, Simple Mail Transfer Protocols, Windows Servers, NetApp Applications, Networking Basics, Routing, Performance Tuning, Red Hat Enterprise Linux, Cloud Services, Salesforce.Com, Systems Integration, Operating System Level Virtualization, Virtual Local Area Networks, Virtualization Technology, VMware Virtualization, Network Routing, Scripting, Enterprise Software Applications, AI Platforms, Enterprise Integration, Data Management, Gsuite, OpenBSD - **Published:** July 30, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/co/denver/f563d0a8-3f85-44f1-957a-2cd2eb252d4d ## About the Role Operations Management Automation Collaboration Linux Servers Cloud Storage Cyber Security Cloud Services Virtualization Authentications Network Routing Cloud Automation Agile Methodology Disaster Recovery Strategic Planning Performance Tuning Knowledge Transfer Business Valuation Technical Standard Workflow Management NetApp Applications IT Service Management Emerging Technologies VMware Virtualization Full Stack Development Operational Excellence Software Documentation Enterprise Integration Artificial Intelligence Business Transformation Red Hat Enterprise Linux Bash (Scripting Language) Verbal Communication Skills Python (Programming Language) Windows Server Virtualization Vendor Relationship Management Identity And Access Management Enterprise Application Software Troubleshooting (Problem Solving) Virtual Local Area Network (VLAN) SMTP (Simple Mail Transfer Protocol) Operating System Level Virtualization Dynamic Host Configuration Protocol (DHCP), This position is focused on enterprise-scale administration and operational excellence. The ideal candidate will possess strong Linux expertise, infrastructure administration experience, automation skills, and the ability to collaborate effectively across multiple technology teams., * RADIUS administration and migration experience * LDAP administration * Identity & Access Management (IAM) * NetApp storage administration * SMTP and mail relay administration * Google Workspace administration and integrations * OpenBSD or FreeBSD administration * Windows Server administration * Enterprise backup and disaster recovery solutions * Infrastructure modernization and legacy system retirement projects Additional Requirements * Strong written and verbal communication skills. * Ability to collaborate effectively with cross-functional technical teams. * Experience supporting heterogeneous enterprise environments. * Ability to operate independently while aligning with organizational standards and priorities. * Strong documentation and knowledge-transfer skills., Verbal Communication Skills Python (Programming Language) Windows Server Virtualization Vendor Relationship Management Identity And Access Management Enterprise Application Software Troubleshooting (Problem Solving) Virtual Local Area Network (VLAN) SMTP (Simple Mail Transfer Protocol) Operating System Level Virtualization Dynamic Host Configuration Protocol (DHCP) +0 Salesforce Admin ## Description We are seeking an experienced Linux Systems Administrator to support and evolve critical enterprise infrastructure services. This individual will play a key role in ensuring the stability, security, and modernization of Linux-based infrastructure while supporting core services including DNS, DHCP, authentication systems, virtualization platforms, storage environments, and enterprise server operations., * Administer, maintain, and support enterprise Linux environments, including AlmaLinux, RHEL, and related distributions. * Manage core infrastructure services including DNS, DHCP, authentication services, SMTP/mail relays, and related enterprise technologies. * Support VMware virtualization environments and enterprise storage platforms. * Install, configure, maintain, troubleshoot, tune, and optimize Linux servers and infrastructure services. * Support authentication and identity-related technologies and participate in modernization initiatives. * Develop and maintain automation and operational scripts utilizing Python, Bash/Shell Scripting, and Perl. * Troubleshoot complex infrastructure, server, networking, storage, and authentication issues. * Participate in strategic planning efforts related to infrastructure modernization and future-state architecture. * Collaborate with Networking, Cybersecurity, Cloud, Identity Management, AI, and Web Operations teams on enterprise projects. * Support highly available enterprise systems and ensure service reliability. * Manage workflow and support requests through established IT service management practices. * Develop and maintain technical standards, procedures, system documentation, and operational runbooks. * Provide knowledge transfer and documentation deliverables to ensure long-term supportability. * Participate in Agile teams and infrastructure initiatives. * Evaluate emerging technologies and recommend solutions that improve efficiency, reliability, and security. * Support vendor relationships and assist with infrastructure acquisition, implementation, and lifecycle management. Top Required Skills * Expert-level Linux Administration * Red Hat Enterprise Linux (RHEL) * AlmaLinux/CentOS * VMware Virtualization * DNS Administration * DHCP Administration * Enterprise Authentication Services * Python Scripting * Bash/Shell Scripting * Perl Scripting * Linux Performance Tuning & Troubleshooting * Enterprise Storage Administration * Networking Fundamentals (DNS, VLANs, Routing, Enterprise Integrations), * Environment consists of Linux, OpenBSD, FreeBSD, Windows Server, virtualization platforms, cloud services, storage infrastructure, and enterprise authentication systems. * Supports mission-critical enterprise and research-focused operations. * Expert-level role requiring strong technical depth and enterprise infrastructure experience. Why Join * Opportunity to work in a complex enterprise infrastructure environment. * Exposure to modernization initiatives involving cloud, automation, identity management, cybersecurity, and AI platforms. * High-impact role supporting critical systems and services. * Collaborative culture with opportunities to contribute to strategic technology initiatives., Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools. Related Jobs Linux Systems Engineer TEKsystems Denver, CO*Remote Linux FreeBSD OpenBSD Research Scripting Operations Management Automation Collaboration Linux Servers Cloud Storage Cyber Security Cloud Services Virtualization Authentications Network Routing Cloud Automation Agile Methodology Disaster Recovery Strategic Planning Performance Tuning Knowledge Transfer Business Valuation Technical Standard Workflow Management NetApp Applications IT Service Management Emerging Technologies VMware Virtualization Full Stack Development Operational Excellence Software Documentation Enterprise Integration Artificial Intelligence Business Transformation Red Hat Enterprise Linux ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [We adopted DevOps and are Cloud-native, Now What?](https://www.wearedevelopers.com/videos/485-we-adopted-devops-and-are-cloud-native-now-what) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)