Sr. Energy Storage Engineer

SB Energy•San Diego, CA

6d•Hybrid

About The Position

As a part of the Engineering team, the Sr. Energy Storage Engineer will provide subject matter expertise on Energy Storage design, optimization, final engineering, and construction permitting of utility-scale energy storage projects. The Sr. Energy Storage Engineer will have the ability to work independently while being able to contribute successfully to cross-functional teams. The Sr. Energy Storage Engineer will also have excellent organizational skills, be able to manage multiple projects at once, have excellent follow-through skills, and will have the ability to meet strict deadlines.

Requirements

Minimum 8 years of experience in utility-scale Battery Energy Storage Systems (BESS), with significant experience in engineering, EPC execution, or owner's engineering.
S. in Electrical Engineering (Power Systems preferred) from an ABET-accredited university; M.S. and PE license are preferred.
Strong experience delivering projects through the complete lifecycle, including engineering, procurement, construction, commissioning, and commercial operation.
Extensive experience working with EPC contractors and resolving engineering, construction, and commissioning issues.
Strong knowledge of utility interconnection requirements, permitting processes, and coordination with utilities and AHJs.
Experience supporting inspections, code compliance, and resolving AHJ comments through project completion.
Deep understanding of lithium-ion battery technologies, PCS, transformers, MV systems, protection and controls, EMS, BMS, SCADA, and plant integration.
Strong understanding of applicable codes and standards including IEEE, NEC, NFPA, UL, ANSI, and local jurisdiction requirements.
Experience reviewing engineering calculations, protection studies, grounding, short-circuit, arc flash, relay coordination, and commissioning documentation.
Experience supporting utility interconnection studies and working with consultants using ETAP, PSCAD, PSS®E, PowerFactory, or similar tools.
Strong technical writing, communication, and leadership skills with the ability to lead cross-functional engineering efforts.
Experience supporting vendor selection, technical due diligence, FAT/SAT, and procurement activities.
Proficiency with AutoCAD, Bluebeam, Microsoft Office, and engineering documentation tools.

Nice To Haves

Experience with Python, AI applications, or data analytics is a plus.
Experience with renewable energy hybrid plants (solar + storage) is a plus.

Responsibilities

Create and maintain Energy Storage engineering standards, technical specifications, and design requirements to ensure quality, reliability, constructability, and cost optimization.
Lead technical reviews of utility-scale BESS projects through development, detailed design, construction, commissioning, and handover.
Support Engineering and Construction teams by reviewing EPC deliverables and driving design optimization for cost, schedule, reliability, and operability.
Develop and review preliminary electrical designs, site layouts, equipment sizing, single-line diagrams, and balance of plant (BOP).
Lead technical evaluation and selection of batteries, PCS, transformers, MV equipment, EMS, BMS, SCADA, and auxiliary systems.
Review and approve EPC engineering packages, calculations, RFIs, submittts, shop drawings, FAT/SAT plans, and commissioning procedures.
Provide engineering support during construction by resolving technical issues, reviewing field changes, and coordinating with EPCs, OEMs, utilities, and AHJs.
Lead technical discussions with utilities, AHJs, independent engineers, and code officials to resolve design and permitting issues.
Support interconnection studies, system modeling, and compliance with utility, ISO/RTO, IEEE, UL, NFPA, NEC, and local code requirements.
Lead commissioning activities, performance testing, substantial completion, and final project acceptance.
Visit battery, PCS, and major equipment manufacturers to support technical due diligence, factory acceptance testing (FAT), and procurement activities.
Support procurement by performing technical evaluations, developing approved vendor lists, and managing technical bid evaluations.
Support Operations & Maintenance teams by providing troubleshooting and long-term technical guidance.
Review emerging energy storage technologies and support pilot projects for next-generation storage solutions.
Serve as the technical subject matter expert for Energy Storage across the organization.

Benefits

100% Company-Paid Medical, Dental & Vision (for employees and dependents)
401(k) with Company Match
Generous Paid Time Off + 11 Paid Holidays
12 Weeks Paid Parental Leave
Life, AD&D & Long-Term Disability Coverage
Flexible Spending Accounts (FSA) for Medical, Dependent Care, Transit & Parking (with company contributions)
Mental, Physical & Social Wellness Support (with company contributions)
Flexible Work Arrangements & Hybrid Office Setup
Monthly Reimbursement for Phone, Internet & Data
Optional Legal & Pet Insurance Plans
Device Purchase Support