Senior Linux Administrator (HPC)

Edgewater Federal Solutions•Dayton, OH

1d•Onsite

About The Position

The Senior Linux Administrator will provide operational support for high-performance computing (HPC) clusters and contribute to the evolution, maintenance, and operational support of an onsite HPC technical infrastructure in Dayton, Ohio. The role offers hands-on training and mentorship to help develop specialized HPC administration and engineering skills. The position requires an active Top Secret clearance or equivalent and is performed onsite, with no remote or hybrid option. Rotational on-call support is required for a 24x7 environment. Relocation bonuses are available for qualified candidates relocating to the Dayton area. The administrator will engage with the customer, communicate with the Program Manager, and help translate customer needs into actionable project tasks. The work may involve prolonged or irregular hours in a generally moderate-noise office environment.

Requirements

Active DoD Top Secret security clearance or equivalent.
Relevant technical certifications, such as Linux+ or Security+.
At least 7 years of Linux systems administration experience, preferably in a Red Hat and/or Rocky environment.
Strong knowledge of TCP/IP networking.
Strong experience with Bash, Perl, and Python scripting in a version-controlled environment using Git.
Strong verbal and written communication skills, including the ability to coordinate among team members in remote locations across several disparate projects.
Strong organizational skills.

Nice To Haves

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

Responsibilities

Provide operational support for HPC clusters.
Participate in rotational on-call coverage for operations of a 24x7 environment.
Engage with the customer and participate in the evolution and maintenance of the technical infrastructure.
Operationally support the onsite HPC environment.
Communicate with the Program Manager and help translate customer needs into actionable project tasks.