Engineering Senior Advisor - Energy Storage; BESS

Engineering Senior Advisor – Energy Storage (BESS)

As an Energy Storage Engineer – Senior Advisor, you will serve as a subject matter expert (SME) in the design and engineering of Battery Energy Storage Systems (BESS), supporting ENGIE’s utility‑scale renewable energy projects. You’ll lead technical development, ensure compliance with safety and performance standards, and collaborate across departments to deliver high‑quality, long‑term energy solutions.

• Serve as the subject matter expert for energy storage design and engineering within the Development Engineering team, guiding technical decisions across the BESS portfolio.
• Develop and enhance technical specifications for BESS components—including battery enclosures, inverters, auxiliary power systems, and EMS/SCADA—ensuring performance, reliability, and safety.
• Provide engineering support during construction and commissioning, resolving RFIs, addressing field issues, and ensuring design intent is met.
• Collaborate with internal teams—engineering, development, procurement—and manage external consultants to ensure cost‑effective, timely, and technically sound project execution.
• Oversee BESS plant design activities, coordinating with Owner’s Engineers to review design packages (30%, 60%, 90%, IFP/IFC), electrical studies, and vendor submittals while advising on battery technology selection and system optimization.
• Champion environmental health and safety in all electrical engineering and design aspects, ensuring compliance with industry standards and best practices.
• Lead fire protection and safety code compliance reviews for BESS installations, integrating regulatory requirements into system design and execution.

• bachelor’s degree in Engineering (advanced degrees and PE licensure valued).
• minimum of 10 years of engineering experience, including at least 3 years in energy storage.
• proven experience in utility‑scale AC and DC‑coupled energy storage systems, including medium‑voltage collection systems and HV substation design.
• deep understanding of energy storage technologies, inverters, suppliers, and associated electrical studies for BESS plant integration.
• familiarity with energy storage use cases, financial modeling tools, and SCADA/control system integration for project optimization.
• working knowledge of industry codes and standards such as NFPA 855, UL 9540/UL 9540A, and NESC, with ability to apply them in real‑world project design and execution.

• eligible for a hybrid in‑office work policy in the Broomfield, CO office.
• must be available to travel domestically up to 30% of the time, including some overnight trips.
• must possess a valid U.S. driver’s license and clean driving record.
• must comply with all ENGIE ethics and safety policies.

Salary Range: $131,000 – $200,790 USD annually. In addition to base pay, the position is eligible for a competitive bonus/incentive plan. Benefits include medical, dental, vision, life insurance, employer‑paid short‑term and long‑term disability insurance, ESPP, paid time off, holidays, and a 401(k) Retirement Savings Plan with company match. Supplemental benefits for full‑time employees enhance overall well‑being.

ENGIE North America isn’t just participating in the Zero‑Carbon Transition—we’re leading it! Join us as we develop energy that is renewable, efficient, and accessible to everyone.

ENGIE North America is proud to be an equal opportunity workplace, committed to creating an inclusive environment free of discrimination and harassment. All qualified applicants will receive consideration without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other legally protected status. If you need assistance with this application or a reasonable accommodation due to a disability, contact us at  This email address is reserved for individuals with disabilities in need of assistance and is not a means of inquiry regarding positions or application status.

We are unable to sponsor or take over sponsorship of an employment visa for this role at any time. The safety of our employees is our number one priority. All employees at ENGIE have both a duty and the authority to STOP WORK if unsafe acts are observed.