Senior Linux Architect for Secure HPC & DoD Missions

Inflow NS; Huntsville (AL); On-site; USD 120,000 - 180,000; Full time

Job summary

Inflow seeks a skilled Linux systems engineer to support DoD missions from Huntsville, AL. You will design and manage Linux workstations, servers, and HPC clusters, using Python, Bash, and Ansible to automate infrastructure while advancing Podman and Kubernetes environments.

You will also optimize InfiniBand networking, implement hardened security, and manage large-scale storage with Lustre/GPFS. A TS clearance with SCI eligibility is required, with readiness to obtain a CI polygraph.

Qualifications

• You must have a Bachelor's degree in a STEM field.
• Ability and willingness to obtain SAP eligibility.
• Deep-tier Linux systems engineering experience (RHEL/Rocky preferred).
• Active DoD 8570.01-M baseline certification (Security+ CE, SSCP, or equivalent).
• Active DoD Top Secret Clearance with SCI eligibility and a CI Scope Polygraph within 180 days.

Responsibilities

• Lead design and lifecycle management of Linux workstations, servers, and HPC clusters.
• Develop automation workflows with Python, Bash, and Ansible to remove manual toil and drift.
• Deploy and manage isolated environments with Podman; work toward a Kubernetes environment.
• Configure high-bandwidth networking (InfiniBand) for fast inter-node communication.
• Create playbooks and diagrams that guide evolving infrastructure.
• Optimize cluster scheduling with Bright Cluster Manager and Slurm.
• Harden security with SELinux and firewall configurations without hurting performance.
• Administer Lustre/GPFS/Spectrum Scale storage for fast data access.
• Other duties as assigned.

Skills

Linux administration

Python

Bash

Ansible

Podman

Kubernetes

HPC

Distributed filesystems

InfiniBand networking

Bright Cluster Manager

Slurm

SELinux

Firewalls

Education

Bachelor’s degree in Computer Science, Math, Engineering, Physics, or STEM

Tools

Bright Cluster Manager

Slurm

VMware

Nutanix

KVM

Job description

Inflow seeks a skilled Linux systems engineer to support DoD missions from Huntsville, AL. You will design and manage Linux workstations, servers, and HPC clusters, using Python, Bash, and Ansible to automate infrastructure while advancing Podman and Kubernetes environments.

You will also optimize InfiniBand networking, implement hardened security, and manage large-scale storage with Lustre/GPFS. A TS clearance with SCI eligibility is required, with readiness to obtain a CI polygraph.