The Senior Staff Engineer operates at the critical intersection of product engineering, commercial strategy, and real-time operations. You will be responsible for managing the day-to-day dispatch, performance, and revenue optimization of our utility-scale Battery Energy Storage System (BESS) portfolio. You will translate complex physical asset constraints, including battery state of health, inverter limits, operational constraints, and degradation curves, into dynamic market bidding and revenue-stacking strategies across wholesale energy markets. Serving as the primary link and interface between external market stakeholders and internal engineering teams (Reliability Engineering, Field Service), you will ensure our BESS portfolio deliver maximum financial value while maintaining grid compliance and long-term asset health.