Linux Systems Administrator

Savannah River National Laboratory•Aiken, SC

17h

About The Position

Savannah River National Laboratory (SRNL) is seeking a Linux Systems Administrator to be part of developing and managing the scientific modeling infrastructure essential to SRNL’s mission of innovation and growth. The successful candidate will be a seasoned professional with extensive experience in Linux system administration who thrives in a fast-paced, collaborative environment. You will work on a team supporting institutional and programmatic customers across multiple laboratory locations, performing a wide variety of system administration activities for servers and workstations.

Requirements

Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience preferred
4+ years’ Linux experience, ideally with large-scale file system administration and support
Must meet eligibility requirements to obtain and maintain a security clearance, which mandates U.S. citizenship

Nice To Haves

4+ years of Linux experience, ideally with large-scale file system administration and support
Advanced vendor certification (RHCSA, RHCE, VMware, Storage)
Familiarity with resource scheduling managers (Slurm, Moab, LSF, etc.)
Experience with configuration management and automation tools (Ansible preferred)
Experience with OS customization and security hardening using DISA STIG, CIS, etc.
Proven track record with scripting in Python, bash, Perl, etc.
Experience with containers (Docker, etc.)
Extensive understanding of operating systems, computer networks, and scientific modeling applications
Demonstrated ability to work effectively in a collaborative team environment and contribute to shared goals.
Excellent interpersonal, customer relations, and problem management skills
Experience with project and process planning
Proven ability to document processes, procedures, and technical workflows thoroughly while mentoring team members and fostering knowledge-sharing practices.

Responsibilities

Take an active role in architecting scalable and reliable Linux systems for HPC workloads, with a focus on performance optimization and long-term maintainability.
Install, configure, and manage Linux servers and desktops across mixed environments, ensuring compatibility and seamless integration between various operating systems.
Administer and optimize virtualization platforms (e.g., VMware, KVM, Proxmox) to deploy virtual servers and desktop solutions that meet organizational requirements.
Utilize deep understanding of system architecture, network protocols, and client/server principles to troubleshoot, innovate, and improve the infrastructure.
Write scripts in Bash, Python, or other programming languages to automate recurring administrative tasks and ensure efficient operations.
Deploy, image, and centrally manage Linux systems using enterprise deployment tools (e.g., Foreman, Kickstart, MAAS) to enforce configuration standards and streamline provisioning.
Configure, maintain, and optimize authentication systems like LDAP, Active Directory, and Kerberos to ensure security and reliability.
Manage configuration management platforms such as Ansible, Puppet, or Chef for centralized control over system configurations and automated updates.
Lead projects, from initial planning through deployment, documentation, and user training, ensuring deliverables align with organizational objectives and best practices.
Provide technical expertise and architectural direction to solving complex software and hardware issues in a heterogeneous computing environment.
Design and manage storage platforms (e.g., SAN, NAS, or object storage) and enterprise-class backup systems to meet redundancy, performance, and disaster recovery needs.
Perform in-depth evaluations of new tools and methodologies, documenting findings and presenting recommendations for adoption and implementation.
Communicate technical insights clearly and effectively while fostering positive relationships with users, team members, and other stakeholders.
Mentor junior team members, participate in collaborative troubleshooting, and implement automation and process refinement to improve team productivity.