Senior Linux Administrator II - AZ - Chandler, United States
Originally posted 22 September 2026 by the employer.
About the role
This role is responsible for the design, architecture, implementation, and management of a global Linux infrastructure with a strong emphasis on the Red Hat ecosystem, automation, and High-Performance Computing (HPC) environments.
What you'll do
- Lead the design, architecture, and automation of a standardized global Linux infrastructure.
- Provide deep technical expertise across the Red Hat ecosystem, including Satellite Server and Identity Management (IdM).
- Manage and support a large, diverse global Linux environment, including system availability, capacity planning, and performance tuning.
- Automate infrastructure deployment and configuration using Ansible, Satellite Server (Foreman), and CFEngine.
- Develop and maintain automation scripts and tools using Python, Perl, and shell scripting.
- Troubleshoot complex system issues and proactively remediate weaknesses before they impact production.
What you'll need
- 7.5+ years of hands-on Linux/Unix system administration experience in enterprise environments.
- Strong experience in designing, architecting, and administering Linux platforms with a heavy focus on RHEL / AlmaLinux.
- 3+ years of experience with configuration management and Infrastructure as a code (Ansible preferred; Puppet or Chef acceptable).
- 3+ years of experience with centralized configuration and lifecycle management systems (Satellite, Foreman, Spacewalk).
- Experience with containerization/virtualization technology such as Proxmox, Docker, VMware, Kubernetes.
- Proficiency in scripting and automation, including Python, Perl, and Bash.
- Experience with incident management, troubleshooting, and root cause analysis.
- Experience with monitoring tools (Prometheus, Grafana, Nagios, or similar) and alerting systems.
- Understanding of software systems concepts such as networking, firewalls, protocols, and databases.
- Experience managing infrastructure in large-scale data center environments.
- Bachelor’s degree in computer science, Information Systems, or equivalent practical experience.
- US Citizenship required.
Nice to have
- Compute cluster experience (LSF, Sun Grid Engine, RTDA).
- Knowledge of source control tools (Git preferred).
Skills: Linux infrastructure, Red Hat ecosystem, automation, HPC environments, Ansible
This role has been open 18 days — well below the 53-day median for Infrastructure/Platform Software roles.
Infrastructure/Platform Software · Infrastructure Platform
|
Open roles in category
923
|
Median days open
53 d
|
Median salary
$229k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Microchip Technology | All employers we track in this specialty (923 roles · 86 employers) |
|---|---|---|
| Open roles in this specialty | 4 | 923 |
| Open roles in the wider Software, Firmware & Systems family | 48 | 6035 · 146 employers |
| Median days open | 84 d | 53 d (+31 d vs this employer) |
| Median salary (USD postings) | — | $229k |
Skills observed across this category: Linux infrastructure, Red Hat ecosystem, automation, HPC environments, Ansible
Who's hiring in this category
- NVIDIA · 255 open roles · median 48 d
- Qualcomm · 60 open roles · median 60 d
- AMD · 51 open roles · median 30 d
- Graphcore · 44 open roles · median 86 d
- Cerebras · 39 open roles · median 76 d
- Intel Corporation · 36 open roles · median 15 d
How we counted: 923 open Infrastructure/Platform Software (Infrastructure Platform) roles from 86 employers tracked in the SemiconductorJobs index, counted 11 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Software, Firmware & Systems family row. Figures refresh nightly.