Job Title: Staff Power Systems Engineer Location: Burlingame, CA Department: Energy Storage System (ESS) Engineering Reports To: Senior Systems Engineer Position Type: Full-time About the Role - Staff Power Systems Engineer We're looking for a power systems electrical engineer to own the electrical architecture, integration, and deployment of our energy storage site across applications, including utilities and data centers, as examples. You'll define architectures; functional, operational, and availability requirements; interface requirements with other power systems; installation requirements; and SCADA (supervisory control and data acquisition) requirements. You will work closely with ESS Engineering, Business Development, and Project Execution, to translate customer requirements into system designs, ensuring our products meet customer standards such as utilities and data centers. This is a highly visible role with significant customer-facing responsibility. The ideal candidate is a deeply knowledgeable power systems engineer who is equally comfortable presenting to technical and non-technical customer teams as they are conducting in-depth research and analysis. What You'll Do (Responsibilities) • Serve as the engineering point-of-contact for site-level power systems throughout the product lifecycle and across installations • Conduct power systems studies, analyses, designs, and test plans including load flow, short-circuit, arc flash, protection coordination, and grounding studies using industry standard tools (PSS/E, PSCAD, ETAP, etc.) • Identify, evaluate, and select suppliers and partners to meet Peak's objectives • Establish commissioning test plans and support commissioning execution • Support the analysis and resolution of site issues and failures, including root cause and corrective action (RCCA) • Define integration requirements for BESS deployments including grid connection, protection, load profiles, fault ride-through, and backup/UPS architectures, as examples • Drive interconnection and grid-code compliance (IEEE, NFPA, NEC, UL, NERC), working with regulatory and compliance teams • Maintain power systems studies, integration guides, and customer-facing documentation • Travel to sites to support commissioning and issue resolution What You'll Bring (Qualifications) • Bachelor's degree in Electrical Engineering • 8+ years in power systems engineering, with experience in utility-scale energy storage, grid interconnection, or data center power infrastructure • PE (Professional Engineer) license, or actively pursuing licensure • Expert knowledge of AC/DC power distribution, protection and control, and grid interconnection (fluent in both high-level architecture and detailed-analysis levels) • Experience with power systems analysis tools (ETAP, PSCAD, SKM, PSS/E, or equivalent) • Proven track record of customer-facing technical communication with utility and infrastructure customers • Working knowledge of IEEE 1547, IEEE 2800, IEEE 2030, NEC, NFPA 70/855, UL 9540, UL 1741 • Comfort operating with ambiguous or undefined challenges Preferred Qualifications • Master's degree in electrical engineering. • Experience with power systems for utility interconnection or data center projects • Background in BESS commissioning and grid-tied inverter systems (PCS, PMS, EMS integration) • Familiarity with grid-forming inverter behavior and islanding/microgrid operation • Familiarity with utility interconnection agreements, FERC/NERC compliance, and ISO/RTO market rules • Experience with requirements management tools (Jama, Polarion, or similar) Compensation & Benefits The salary range for this role is $170,000-$230,000 with actual pay varying based on work location, experience, and skills. Our competitive benefits package includes: • Flexible time off • Comprehensive medical, dental, and vision coverage • Strong 401(k) plan • Equity opportunities • Many great work perks Join us to thrive in a supportive environment while making a meaningful impact in the energy sector! Apply Now! We are based in California & Colorado.