Key Responsibilities: Provide Tier 4 support for high-performance computing environmentsTroubleshoot and resolve complex issues across HPC systems and associated applicationsConfigure, tune, and optimize high-performance file systems such as XFS, GPFS, and LustreSupport HPC cluster environments, including monitoring, failover, and system availability toolsAdminister distributed computing frameworks such as SLURM, LSF, and related toolsConfigure and maintain RedHat and SUSE Linux-based systemsAnalyze system performance and implement improvements across HPC infrastructureSupport testing and validation of system changes and upgradesCollaborate with engineering and operations teams to ensure system reliability and performanceQualifications: Bachelor's degree in a related fieldFive (5) additional years of relevant experience may be substituted for a degreeMinimum 10 years of experience in large, complex IT environments providing advanced technical expertiseDoD 8570 IAT Level II certification (or equivalent)Experience supporting HPC systems, distributed computing environments, and high-performance file systemsRequirements: U.S. Citizenship is required for all applicants. With a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation; our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations.