Linux Software Support Specialist

Linux Software Support Analyst – responsible for end-to-end lifecycle management of a defined portfolio of scientific and engineering software in a large-scale High‑Performance Computing (HPC) environment supporting the DoD High Performance Computing Modernization Program (HPCMP). About the Team The analyst is part of a larger team of system administrators and support specialists who operate and maintain HPC infrastructure. The environment values methodical problem‑solving, adherence to established procedures, and a strong commitment to user support. Location and Security Customer site in Dayton, OH with potential for hybrid work. Requires U.S. citizenship and an active Secret clearance. Daily Responsibilities Software Management: Install, configure, and maintain complex software packages on multiple Linux-based systems. User Support: Provide direct technical support by responding to and resolving user‑submitted ServiceNow tickets for the assigned application portfolio. Troubleshooting: Diagnose and resolve complex application failures, including OS-level issues such as library dependencies and driver conflicts. Validation & Testing: Test and validate application functionality through system changes such as maintenance, OS upgrades, and new system deployments. Maintenance: Deploy software patches and updates to resolve bugs and address security vulnerabilities. Compliance: Ensure all software management tasks adhere to established Standard Operating Procedures (SOPs), including formal Request for Change (RFC) processes. Collaboration: Collaborate with internal technical teams and external software vendors as necessary to resolve complex application-related issues. Clearance & Certification Requirements Active SECRET clearance (U.S. citizenship required). Active 8570.01M/IAT‑II certification. Required Experience One year of related experience or an equivalent combination of education and experience. Experience installing and managing software in a Linux/UNIX command‑line environment. Experience with shell scripting in a Linux environment. Experience troubleshooting software installation and runtime issues (library dependencies, environment variables). Experience providing user support via a ticket‑based system such as ServiceNow. Highly Desirable & Preferred Experience Experience compiling applications from source code (make, CMake), especially GPU‑enabled codes using CUDA or KOKKOS. Familiarity with HPC technologies: schedulers (PBS, SLURM), interconnects (InfiniBand), architectures (Cray EX, Linux clusters). Experience with software package managers (Spack) and version control systems (GitLab). Experience supporting scientific applications such as Tecplot, FieldView, Pointwise, or GitLab Runner. Abilities Required Strong, methodical problem‑solving skills for diagnosing application‑level issues. Excellent attention to detail and ability to follow complex procedural and administrative protocols. Clear communication of technical information to users of all skill levels. Effective teamwork within a defined role. Reliability in meeting scheduled work hours and attendance expectations. Rapid learning of technical specifics of new and existing software packages. All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Applicants with criminal histories consistent with applicable laws will also be considered. #J-18808-Ljbffr