Callisto Talent Solutions is hiring a Lead DevOps Engineer in Bengaluru for a technology-driven HFT firm specializing in systematic alpha research and electronic market-making across global exchanges, requiring 5+ years of DevOps experience in a high-performance environment. The role involves leading and managing the DevOps/Infrastructure team, designing and maintaining scalable production infrastructure, driving CI/CD, automation and monitoring practices, and working closely with Traders, Quants, and Software Engineers. Candidates should have experience managing and mentoring a technical team, hands-on expertise with Bash, Python, Linux, cloud/on-prem infrastructure, CI/CD and automation, with HFT experience mandatory.