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Join the Mission at Cyber B.A.T. At Cyber B.A.T., we believe in one simple idea: Take care of those that take care of you. We're a Service-Disabled Veteran-Owned Small Business delivering engineering, cybersecurity, software, systems, and mission-focused consulting solutions to government customers and industry partners. We combine the impact and innovation of a growing company with the culture and flexibility of a close-knit team. When you join Cyber B.A.T., you're not just taking a job, you're helping solve meaningful challenges alongside people who value collaboration, technical excellence, and having fun while doing it. Why People Love Working Here * Employee ownership opportunities - every employee has equity in our success * Annual company retreats (yes... actual destinations) * 5 weeks PTO + flexible work environment * Employer-paid medical and dental for employees and dependents * Up to 10% 401(k)/profit sharing contribution (no match required) * Monthly happy hours and team events * Referral bonuses * Opportunity to make visible impact without getting lost in a giant organization Position Overview Cyber B.A.T. is seeking a Technical Expert / Functional Expert - High Performance Computing (HPC) to provide Tier 4 technical support for enterprise High Performance Computing (HPC) environments supporting mission-critical operations. This role serves as a senior subject matter expert responsible for the configuration, optimization, troubleshooting, and sustainment of large-scale HPC infrastructure, distributed computing environments, and high-performance storage systems. What You'll Do * Provide Tier 4 operational support for enterprise High Performance Computing (HPC) environments supporting mission-critical workloads * Configure, optimize, test, and troubleshoot high-performance file systems, including XFS, GPFS, and Lustre * Administer, tune, and maintain distributed computing and workload management platforms, including RES, LSF, and SLURM * Perform advanced troubleshooting and performance optimization of HPC clusters, compute farms, and associated applications * Configure, maintain, and support HPC management and monitoring tools, including Nagios, xCAT, failover solutions, and compiler toolchains * Support Massively Parallel Processing (MPP) systems and distributed computing architectures * Administer, configure, tune, and troubleshoot Red Hat Enterprise Linux (RHEL) and SUSE Linux Enterprise Server (SLES) operating systems * Monitor system health, availability, capacity, and performance to ensure continuous mission operations * Perform root cause analysis for complex infrastructure, storage, operating system, and distributed computing issues * Develop and implement performance tuning recommendations to improve system scalability, reliability, and efficiency * Collaborate with systems engineers, software engineers, storage administrators, and infrastructure teams to support enterprise HPC environments * Develop and maintain technical documentation, operational procedures, and engineering best practices * Provide technical guidance and subject matter expertise to engineering teams supporting HPC operations and modernization initiatives * Evaluate and recommend emerging HPC technologies, tools, and operational improvements to enhance mission capabilities What We're Looking For Required Qualifications * Active TS/SCI Clearance with a current Maryland Polygraph * Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or a related technical discipline * Minimum of 10 years of experience supporting large, complex enterprise IT or High Performance Computing (HPC) environments; or 15 years of directly related professional experience in lieu of a bachelor's degree * Demonstrated expertise configuring, tuning, testing, and troubleshooting enterprise HPC environments * Experience administering and optimizing high-performance file systems, including: XFS, GPFS (IBM Spectrum Scale), Lustre * Experience administering distributed computing and workload scheduling platforms, including: RES, LSF, SLURM * Experience supporting HPC cluster management tools and infrastructure, including: Nagios, xCAT, Failover software, Compiler toolchains * Working knowledge of Massively Parallel Processing (MPP) systems and distributed computing architectures * Experience administering and optimizing Red Hat Enterprise Linux (RHEL) and SUSE Linux Enterprise Server (SLES) * Strong experience performing advanced troubleshooting, root cause analysis, and system performance tuning within enterprise HPC environments * Knowledge of enterprise storage, compute, networking, and Linux system administration principles * Excellent analytical, technical documentation, communication, and problem-solving skills * Ability to serve as a technical subject matter expert supporting mission-critical HPC operations and modernization efforts Bonus Points If You: * Love solving difficult technical challenges * Enjoy collaborating and sharing knowledge * Like working where your voice actually matters * Appreciate a culture that celebrates wins and supports growth Interested? We'd love to connect. Apply today and learn why Cyber B.A.T. continues to attract people who want meaningful work, strong culture, and a team that genuinely supports one another. Disclaimers Cyber B.A.T. is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected status. All employment decisions are based on qualifications, merit, and business needs. Compensation for this position, including all compensation options, will be determined on an individual basis following the interview process. If you require accommodations at any stage of the application or interview process, please contact us via email at for assistance. Questions?