Senior Linux Sys Admin
Location: Aurora, Colorado
Department: Systems Administration
Linux System Administrator
Overview
We are seeking an experienced Linux System Administrator with deep Red Hat expertise to join our infrastructure team. This role combines hands-on technical leadership with systems automation and data center operations, ideal for someone who wants to drive infrastructure excellence while mentoring team members.
Key Responsibilities
- Design, implement, and maintain enterprise Linux environments with primary focus on
Red Hat Enterprise Linux (RHEL)
- Develop and maintain infrastructure automation using Puppet, Ansible, or similar configuration management tools
- Manage physical and virtual server infrastructure across data center environments
- Lead infrastructure projects from planning through implementation
- Mentor junior administrators and provide technical guidance to team members
- Perform hardware installations, upgrades, and troubleshooting in data center facilities
- Implement security best practices, patch management, and compliance requirements
- Monitor system performance, capacity planning, and optimization
- Collaborate with cross-functional teams on infrastructure initiatives
Required Qualifications
- 8+ years of Linux system administration experience with strong Red Hat focus
- Proven experience with automation tools (Puppet, Ansible, Chef, or SaltStack)
- Hands-on data center experience including hardware installation and troubleshooting
- 2+ years in a leadership or mentoring capacity (team lead, senior admin, or management)
- Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer
(RHCE) preferred
- Strong scripting skills (Bash, Python, or similar)
- Experience with virtualization platforms (VMware, KVM, or similar)
- Understanding of networking fundamentals, storage systems, and backup solutions
- Excellent problem-solving and communication skills
Preferred Qualifications
- Experience with containerization (Docker, Podman, Kubernetes)
- Knowledge of CI/CD pipelines and DevOps practices
- Familiarity with monitoring tools (Nagios, Zabbix, Prometheus, etc.)
- Experience with cloud platforms (AWS, Azure, GCP)
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