CAE HPC System Administrator

Jobtailor; Missouri; On-site; USD 90,000 - 120,000; Full time

Job summary

Jobtailor is seeking an experienced HPC systems administrator to manage and optimize scheduling environments for CAE workloads in a Linux-centric HPC cluster. You will design queues, policies, and strategies to maximize throughput and efficiency while supporting CAE applications in production.

The role requires hands-on experience with LSF, PBS, Slurm, and strong scripting skills. You will collaborate with engineering teams to ensure reliable deployments, system health, and scalable automation

Qualifications

• 3+ years Linux sysadmin experience (preferably RHEL).
• Bachelor’s degree in a related field or commensurate work experience.
• Hands-on experience managing HPC clusters and job schedulers (LSF, Slurm, PBS).
• Proven CAE application support and integration experience.
• Strong scripting skills (Bash, Shell, Perl, or equivalent).
• Experience with OS deployment, patching, and system automation.
• Solid understanding of enterprise server hardware, storage, and networking fundamentals.
• Experience with CAE tools such as Ansys, LS‑DYNA, Nastran, or similar.

Responsibilities

• Administer, configure, and optimize HPC job scheduling environments (LSF, PBS, Slurm).
• Design and tune job queues, resource policies, and scheduling strategies for CAE workloads.
• Monitor performance, analyze trends, and implement efficiency improvements.
• Install, upgrade, test, and support CAE applications in production environments.
• Provide integration support between CAE apps and HPC scheduling systems.
• Troubleshoot issues and minimize disruption to engineering activities.
• Maintain RHEL environments across HPC clusters and perform OS provisioning.

Skills

HPC scheduling

IBM Spectrum LSF

Open PBS

Red Hat Linux

Bash scripting

Perl scripting

OS provisioning

System automation

CAE support

High-performance networking

Education

Bachelor's degree or equivalent experience

Tools

LSF

PBS

RHEL

Job description

• Administer, configure, and optimize HPC job scheduling environments, including IBM Spectrum LSF, Open PBS, or equivalent schedulers.
• Design and tune job queues, resource allocation policies, and scheduling strategies to support diverse CAE workloads.
• Monitor system performance and utilization trends and implement improvements to maximize efficiency and throughput.
• Install, upgrade, test, and support CAE applications and simulation tools in production environments.
• Provide integration support between CAE applications and HPC scheduling systems.
• Manage CAE software licensing systems (e.g., FlexLM, RLM) and ensure availability.
• Troubleshoot application-related issues and ensure minimal disruption to engineering activities.
• Administer and maintain Red Hat Enterprise Linux (RHEL) environments across HPC clusters.
• Perform OS provisioning, deployment, and patch management using automated tools (e.g., PXE, or configuration management solutions).
• Develop and maintain scripts (Bash, Korn shell, C Shell, Perl, Awk, or equivalent) to automate system monitoring, health checks, and routine administrative tasks.
• Maintain system logs, monitoring processes, and standard operating procedures.
• Troubleshoot and resolve issues related to servers, storage systems, and high-performance networking (e.g., InfiniBand, high-speed Ethernet).
• Support hardware lifecycle activities including installation, maintenance, and upgrades.
• Conduct capacity planning based on system utilization trends and future demand.
• Perform system health checks, monitoring, and incident tracking for HPC and CAE environments.
• Document system configurations, procedures, incidents, and best practices.
• Track outages, analyze root causes, and implement preventive measures.
• Follow change management processes for system updates and deployments.
• Provide accurate reporting (e.g., utilization, incidents, system performance) and support project initiatives.

Requirements

• 3+ years of Linux system administration experience (preferably RHEL environments).
• Bachelor’s degree in mechanical engineering, electrical engineering, computer engineering, computer science, or related field; and/or commensurate work experience
• Hands‑on experience managing HPC clusters and job schedulers (LSF, Slurm, PBS, or similar).
• Proven experience in CAE application support and integration.
• Strong scripting skills (Bash, Shell, Perl, or equivalent).
• Experience with OS deployment, patching, and system automation.
• Solid understanding of enterprise server hardware, storage, and networking fundamentals.
• Experience with CAE tools such as Ansys, LS‑DYNA, Nastran, or similar.
• Familiarity with high‑performance networking technologies is plus (e.g., InfiniBand).
• Experience developing internal tools or dashboards are plus (e.g., PHP or web‑based tooling).

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Hard Skills

• HPC job scheduling
• IBM Spectrum LSF
• Open PBS
• Red Hat Enterprise Linux
• Bash scripting
• Perl scripting
• OS provisioning
• system automation
• CAE application support
• high-performance networking