The Senior Systems Engineer role supports a mission-critical analytics platform within a premier national security solutions firm. The position focuses on administering Linux-based high-performance computing environments, managing workload scheduling, and utilizing automation tools like Ansible for system orchestration. Key responsibilities include providing Tier 3 support for complex technical issues, optimizing system performance, and collaborating with data scientists to ensure platform reliability. This opportunity appeals to engineers seeking to work on advanced research initiatives with a focus on security and scalability. The role involves on-call rotations to maintain critical availability and offers a chance to contribute to long-term platform strategy in a collaborative, mission-driven environment.