Linux Infrastructure Engineer II/III

About the role

The National Laboratory of the Rockies (NLR) seeks a Linux Infrastructure Engineer to support the infrastructure around the centers High Performance Computing (HPC), Research Computing, and on-premises cloud. This role requires a versatile skill set and a strategic mindset to optimize high-performance data environments, solve complex problems, enhance efficiency, and improve reliability and scalability.

Responsibilities

• Design, engineer, and deploy Linux-based solutions to support data management, HPC, data analysis, processing, and visualization tools and platforms.
• Collaborate with researchers to translate their technical needs into effective infrastructure and application solutions.
• Install, configure, and maintain Linux systems, ensuring they are optimized for science applications and large-scale workloads.
• Develop, maintain, and support containerized environments (e.g., Docker, Podman, Kubernetes) to enable seamless deployment and management of tools and applications.
• Perform regular server maintenance (hardware and software), updates, security patching, and system hardening to ensure data integrity and security compliance.
• Troubleshoot and resolve complex server, application, and network issues that impact data workflows and performance.
• Evaluate new technologies, tools, and methodologies to enhance the efficiency, reliability, and scalability of the infrastructure supporting data and visualization efforts.
• Automate routine tasks and workflows to enhance efficiency and reduce operational overhead.

Requirements

• Level II: Relevant Bachelor's Degree and 2 or more years of experience or equivalent relevant education/experience. Or, relevant Master's Degree or equivalent relevant education/experience.
• Level III: Relevant Bachelor's Degree and 5 or more years of experience or equivalent relevant education/experience. Or, relevant Master's Degree and 3 or more years of experience or equivalent relevant education/experience. Or, relevant PhD or equivalent relevant education/experience.

Qualifications

• Experience in Linux system administration (2 years at II and 5 years at III).
• Proven ability to design and implement secure, scalable, and performant infrastructure to support complex data pipelines and analysis tools.
• Strong problem-solving skills with the ability to quickly diagnose and resolve technical issues impacting data processing and analysis.
• Excellent communication and collaboration skills to work effectively with researchers, research operations, analysts, and cross-functional teams.

Preferred Qualifications

• Familiarity with Git and handling branches, merging, and conflict resolution.
• Automated configuration management using Ansible.
• Knowledge of computer hardware and how to manage, deploy, and service it.
• Experience with enterprise level directory services OpenLDAP, RHEL IdM/IPA, or similar.
• Familiarity with building, supporting, and life-cycling containers (Podman, Kubernetes, docker).
• Experience working with on-premises cloud environments (VMware, OpenStack, Proxmox, OpenShift).