Platform Reliability Engineer

Platform Reliability Engineer About Millennium Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium's mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact. Meet the Team Millennium's Infrastructure organization sits within Information Technology, a function that is core to the health and growth of the firm. The team designs, engineers, supports, and manages a robust server estate, systems virtualization, and core enterprise services that underpin a flexible, scalable technology environment. Working across a globally distributed platform, the team partners closely to improve reliability, reduce operational complexity, and support critical computing environments with a practical, collaborative approach. What You'll Do Help ensure the production reliability of the firm's Linux-based research and trading platform as part of a globally distributed engineering team Respond quickly and effectively to production infrastructure incidents to minimize disruption and restore service Build a strong understanding of internal client needs and communicate priorities clearly to regional and global leadership Identify operational risks, develop contingency plans, and implement solutions to strengthen platform resilience Develop and enhance observability capabilities to monitor the health and performance of critical computing environments Participate in a monthly on-call rotation and provide support to on-call engineers as needed Improve operational efficiency through configuration management, systems optimization, and automation Contribute to team knowledge through clear documentation, knowledge sharing, and maintainable code What You Bring 2+ years of experience in SRE, DevOps, or infrastructure engineering, ideally within the financial services industry Strong knowledge of Linux systems internals, including kernel behavior, memory management, and performance optimization Solid understanding of storage technologies, particularly in high-performance computing environments; GPFS experience is a plus Broad infrastructure knowledge across networking and core services such as DNS, NTP/PTP, and NIS Experience with automation, monitoring, and self-healing systems; Salt experience is a plus Familiarity with container orchestration and virtualization technologies such as Kubernetes, Nomad, and VMware Exposure to on-premises and cloud-based HPC infrastructure; operational knowledge of Slurm and GPU environments is a plus Strong communication skills, a hands-on approach to problem-solving, and genuine curiosity about technology, automation, and AI-driven infrastructure improvements