Linux System Administrator (Top Secret)

RedLine Performance Solutions, LLC; Dayton (OH); On-site; USD 95,000 - 135,000; Full time

Benefits offered by this job

Relocation bonus

Full benefits package

Paid time off

401k match

Health care benefits

Job summary

RedLine Performance Solutions in Dayton, OH seeks a Linux Systems Administrator for 24x7 HPC cluster support onsite. The role includes on-call rotation, customer liaison, and maintenance of the HPC infrastructure to meet evolving requirements.

They require a DoD Top Secret clearance, 7+ years of Linux admin experience (Red Hat/ Rocky), and strong scripting, networking, and communication skills to coordinate across projects and teams.

Qualifications

• Active DoD Top Secret security clearance and relevant technical certifications (e.g., Linux+, Security+) are mandatory
• 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 across several projects
• Strong organizational skills

Responsibilities

• Provide operational support for HPC clusters located in Dayton, OH
• Work on a 24x7 rotation with on-call responsibilities
• Engage with the customer and evolve/maintain the technical infrastructure
• Relay insights to the RedLine Program Manager and translate customer needs into actionable tasks
• Support on-site HPC environment and contribute to project execution

Skills

Linux systems administration

Top Secret clearance

TCP/IP networking

Bash/Perl/Python scripting

Communication skills

Team coordination

Tools

Slurm

PBS

xCAT

HPCM

Bright Cluster Manager

Weka

Lustre

InfiniBand

Puppet

Foreman

Ansible

MPI

Warewulf

GPU HPC optimization

Job description

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.