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Flatiron Energy, a Hull Street Energy portfolio company, is developing and building grid scale standalone energy storage assets that integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability. Founded by a team of experienced energy storage experts, Flatiron has a demonstrated track record of developing critical infrastructure needed to achieve our reliability and energy climate goals.  The leadership team has deep experience in developing constructing and owning and operating energy storage assets in wholesale markets.  Flatiron Energy is a high growth company with a dynamic, fast-paced, challenging, creative, fun, start-up culture. The right candidate will be excited to help build the company from the ground up, recognizing the challenges and opportunities for growth inherent in such a role.  The Flatiron team is passionate about fighting climate change while ensuring their projects have an equitable impact on surrounding communities. Flatiron is only looking for candidates who resonate with our mission. This role will play an integral role in achieving NTP of our projects. The right candidate will be willing to roll their sleeves up to tackle multiple problems, collaborate with others, while leading projects through critical engineering and supporting technical procurement, phases to ensure that safety, quality, schedule, and cost objectives are achieved.    Title: Senior Commercial Asset Manager Reports To: Vice President of Asset Optimization and Management           Location: Hybrid in Denver, CO; New York, NY; or Boston, MA — or Remote (U.S.)  Less than 10% travel. Description:  Flatiron Energy is seeking a Senior Commercial Asset Manager to lead commercial operations of our utility-scale BESS portfolio. You will be the day-to-day owner for contractual and regulatory compliance, incentive program compliance, and project-level financial oversight—working cross-functionally with finance, operations, trading/market operations, legal, and external stakeholders (offtakers, vendors, lenders, and tax equity partners). This role is ideal for someone who thrives in high-ownership environments, is detail-obsessed about compliance and reporting, and enjoys translating complex contracts into actionable, measurable operating practices. Key Responsibilities: Contractual & Financing Compliance Own compliance for offtake agreements (PPA/ capacity/hedges), ensuring delivery obligations, availability terms, cycling limits, and performance guarantees are met; manage notices, disputes, and liquidated damages when required. Manage vendor-facing obligations across EPC, O&M, OEM/warranty, EMS/SCADA, augmentation, performance testing, and service-level agreements; track milestones and claims. Lead periodic reporting and covenant compliance for debt and tax equity structures (DSCR tests, reserve funding, distribution waterfalls, financial/operational reporting packages, insurance compliance, required certifications, and audit support). Maintain a robust contract obligation register and compliance calendar; drive proactive issue detection and resolution. Regulatory & Market Compliance Ensure ISO/RTO, FERC, and NERC compliance across the operating portfolio, including registrations, performance obligations, telemetry, audits, and required filings in collaboration with internal SMEs and external managed compliance service providers. Coordinate with market operations on capacity, ancillary services, performance penalties, and settlement validation; support remediation plans as needed. Highly desirable: hands-on experience in ISO-NE Incentive Program Compliance Lead compliance for state and regional storage incentive programs, including qualification, ongoing reporting, meter/telemetry validation, and performance tracking. Partner with policy and