Linux System Administrator

RedLine Performance Solutions; Dayton (OH); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Relocation bonus

Job summary

RedLine Performance Solutions in Dayton, OH seeks a Linux Systems Administrator to operate and maintain HPC clusters, with 24x7 on-call rotations. The role interfaces with customers and the RedLine Program Manager to translate requirements into concrete tasks.

The ideal candidate holds an active DoD Top Secret clearance and strong Linux/RH experience, plus scripting, networking, and automation skills for high-performance environments.

Qualifications

• Active DoD Top Secret security clearance and relevant certifications mandatory.
• 7+ years Linux systems administration in Red Hat/Rocky environments.
• Strong TCP/IP networking knowledge.
• Bash, Perl, Python scripting with Git version control.
• Excellent verbal and written communication for cross-team coordination.

Responsibilities

• Provide operational support for HPC clusters, onsite in Dayton, OH.
• Participate in 24x7 operations with rotational on-call duties.
• Translate customer needs into actionable tasks for projects.
• Collaborate with RedLine Program Manager to maintain infrastructure reliability.

Skills

Linux systems administration

DoD Top Secret clearance

TCP/IP networking

Bash, Perl, Python scripting

Git version control

Communication skills

Organizational skills

HPC cluster experience

Red Hat/Rocky environment

Scripting automation with Puppet/Ansb?

Tools

Slurm

PBS

xCAT

HPCM

Bright Cluster Manager

Lustre/Weka

InfiniBand

RHCSA

RHCE

Puppet

Foreman

Ansible

MPI

Warewulf

GPU HPC optimization

Job description

RedLine Performance Solutions (RedLine) has been in the High Performance Computing (HPC) solutions engineering services business for over 26 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. RedLine provides IT infrastructure management and technical support services to some of the world's largest supercomputing sites.

The Linux System Administrator will provide operational support for HPC clusters located in Dayton, OH. Operations run 24x7 and therefore there will be a rotational on-call requirement. The Linux Systems Administrator will engage with the customer and participate in the evolution and maintenance of the technical infrastructure in addition to operationally supporting the on-site HPC environment. The administrator will be responsible for relaying these insights to the RedLine Program Manager and working together to translate customer needs into actionable project tasks.

Location: Onsite, Dayton, OH

Clearance: Active Top Secret required

Relocation: Relocation bonus available for qualified candidates relocating to the Dayton area. Candidates outside the local area are encouraged to apply.

This full-time (W-2) position offers a full benefits package including paid time off, 401k match, and health care benefits.

Required Skills:

We are looking for strong Linux systems administration expertise which will allow the candidate to build a career in high-performance computing (HPC) with RedLine. We will provide hands-on training and mentorship to help you develop the specialized skills needed to administer and engineer advanced HPC environments.

• Active DoD Top Secret security clearance and relevant technical certifications (e.g., Linux+, Security+) are mandatory requirements for this position
• 7 or more years of Linux systems administration, preferably in a Red Hat and/or Rocky environment
• Strong knowledge of TCP/IP networking.
• Strong experience in Bash, Perl, and Python scripting in a version-controlled environment using Git
• Strong verbal and written communication skills, with the ability to coordinate between multiple team members in remote locations between several disparate projects
• Strong organizational skills

Preferred Skills/Experience:

• 5 or more years of HPC cluster system administration experience, preferably with Dell clusters
• Experienced with system engineering in addition to system administration
• Experience with job scheduling software (e.g., Slurm, PBS)
• Experience with cluster automation tools (e.g., xCAT, HPCM, Bright Cluster Manager)
• Experience with parallel filesystems (e.g., Weka, Lustre)
• Experience with high-speed interconnects (e.g., InfiniBand)
• Red Hat Certification (e.g., RHCSA, RHCE)
• Server automation experience (e.g., Puppet, Foreman, Ansible)
• Experience with MPI technologies.
• Experience with Warewulf cluster management and provisioning.
• Optimization experience with GPU based HPC clusters.