COLSA ยท 18 hours ago
MSIC - HPC Linux Systems Administrator
COLSA Corporation is at the forefront of national security and high-performance computing, seeking a Linux Systems Administrator who thrives on complexity. The role involves architecting the infrastructure for critical missions, managing Linux systems, and ensuring robust security and automation practices.
Cyber SecurityInformation TechnologySoftware
Responsibilities
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
Qualification
Required
Bachelor's degree in a STEM field or equivalent professional experience
Minimum of 5 to 12 years of related experience
Active DoD Top Secret Clearance with SCI eligibility
Must be able to pass the CI polygraph within 180 days of hire
CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline security certification
Must be able to obtain and maintain Special Access Program (SAP) eligibility and maintain program accesses as required
Extensive professional experience in Linux system administration (RHEL preferred)
Ability to troubleshoot and resolve intricate hardware and software bottlenecks under pressure
Knowledge of security best practices for Linux environments
Strong analytical and critical thinking skills with a methodical approach to complex systems challenges
Ability to work independently and collaboratively in a team environment
U.S. Citizenship Required
Preferred
Active TS//SCI clearance with a current CI Scope Polygraph
RHCSA, Linux+, or equivalent certification
Experience with automation tools (Ansible, shell scripting, Python, etc.)
Familiarity with container technologies like Docker, Podman, and Apptainer
Experience managing HPC clusters using Bright, Slurm, and/or xCAT
Strong networking experience in Linux environments
Cross-OS administration experience with Windows
Virtualization experience with VMWare or Nutanix
Company
COLSA
COLSA's full-scale capabilities include cyber and information warfare, rapid prototyping and engineering, uncrewed systems, acquisition, logistics, studies and analysis, data science, and systems and software engineering.