1 sr site reliability engineer jobs found in Plano

Build and operate the AI toolchain that is accelerating mainframe modernization at scale. As an Sr Lead Software Engineer within Core Processing, Wealth Management Technology, you will design, build, and ship the agentic systems that ingest decades of mainframe logic and produce verified, production-ready modern services. You work directly alongside domain SMEs and the ED lead to turn legacy COBOL, JCL, DB2, and batch schedules into structured specifications — then drive those specs through agent-accelerated delivery into the target platform. You are a builder first: comfortable architecting multi-agent orchestration one day and debugging a prompt chain against production edge cases the next. You have deep proficiency extending and operating coding agents (Claude Code, Codex, Copilot), and you bring the engineering rigor to make AI outputs reliable at enterprise scale. You thrive on hard problems, move fast, and care deeply about shipping software that works. Job...