Linux Administrator

DESE Research • Huntsville, AL

1d

About The Position

DESE Research, Inc is seeking an experienced Linux Administrator to join our team in Huntsville, AL. In this role the candidate will Architect and Deploy: Drive the secure deployment and lifecycle management of Linux workstations, enterprise servers, and HPC clusters. Control Filesystems: Efficiently administer local and remote filesystems, ensuring data integrity and high-speed access across the network. Automate Everything: Eliminate manual toil by developing sophisticated automation scripts using Shell and Python. Hardened Security: Implement and manage robust security layers, including advanced firewall configurations and fine-tuned SELinux policies. Orchestrate at Scale: Drive system consistency and rapid deployment using Ansible for configuration management and automation. Containerization: Modernize workflows by deploying and managing containerized environments using Docker, Podman, and Apptainer. HPC Optimization: Maintain and push the performance limits of HPC clusters utilizing industry-leading tools like Bright, Slurm, and xCAT. Network Engineering: Configure and optimize Linux networking services to ensure seamless, high-bandwidth connectivity. Technical Documentation: Author and maintain high-fidelity documentation for system configurations, operational playbooks, and strategic plans. For the past 43 years, DESE has provided industry-leading technical and engineering solutions in the fields of Defense, Energy, Space, and Environment. As a small, family-oriented business, DESE provides a compelling benefits package including a generous profit-sharing plan, competitive salaries, and perhaps most importantly, the opportunity to work alongside talented engineers leveraging cutting-edge technologies to solve complex and engaging problems. At DESE, we are committed to creating a company that is known for its respect and care for employees. We understand that happy employees are what keeps our business going and we strive to provide the best opportunities for each individual working on our team!

Requirements

• Bachelor's degree in Computer Science, Math, Engineering, Physics, or STEM
• Active DoD Top Secret with eligibility for SCI and a CI Scope Polygraph within 180 days
• Ability to obtain and maintain Special Access Program (SAP) eligibility
• Must possess an active CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline certification
• U.S. Citizenship
• Extensive professional experience in Linux system administration (RHEL preferred)
• Proven ability to troubleshoot and resolve intricate hardware and software bottlenecks under pressure
• Strong critical thinking skills with a methodical approach to complex system challenges

Nice To Haves

• Active TS/SCI clearance with a current CI Polygraph
• RHCE, RHCSA, or similar
• Advanced proficiency in Ansible, Python, and Bash for infrastructure-as-code environments
• Experience with container technologies (Docker/Podman) and scientific computing tools (Apptainer)
• Hands-on experience tuning HPC clusters with Bright, Slurm, and/or xCAT
• Strong background in Linux networking and virtualization platforms (VMware, Nutanix)
• Experience managing cross-platform integration with Windows systems

Responsibilities

• Drive the secure deployment and lifecycle management of Linux workstations, enterprise servers, and HPC clusters
• Administer local and remote filesystems, ensuring data integrity and high-speed access across the network
• Develop sophisticated automation scripts using Shell and Python
• Implement and manage robust security layers, including advanced firewall configurations and fine-tuned SELinux policies
• Drive system consistency and rapid deployment using Ansible for configuration management and automation
• Deploy and manage containerized environments using Docker, Podman, and Apptainer
• Maintain and push the performance limits of HPC clusters utilizing industry-leading tools like Bright, Slurm, and xCAT
• Configure and optimize Linux networking services to ensure seamless, high-bandwidth connectivity
• Author and maintain high-fidelity documentation for system configurations, operational playbooks, and strategic plans

Benefits

• Competitive health, dental and vision insurance with affordable premiums
• Flexible work schedules
• Two different flexible spending account options
• Company paid life insurance with options for employee paid additional
• Performance bonus program
• Education reimbursement program
• Company paid personal leave for approved philanthropic activities
• Vacation, Sick & Holiday leave
• Robust 401k profit sharing plan
• Opportunities for internal promotions
• Employee referral incentive program
• Rewards and gifts for service anniversaries

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level