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Sr. Energy Storage Engineer

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Job Description

Do you want to work with high caliber professionals in a dynamic and growing company? Are you entrepreneurial, hard-working, and collegial? Are you committed to advancing the clean energy revolution? Join us at SB Energy, a world-leading company backed by SoftBank and Ares pairing cutting-edge innovation with best-in-class execution. Our Mission is to provide flexible renewable energy at scale, accelerating the global energy transition and benefiting our planet, customers, communities, and people.

SB Energy develops, constructs, and owns & operates some of the largest and most technically advanced renewable projects across the United States, with headquarters in Redwood City, CA. The company was launched in 2019 and has quickly become one of the largest solar and storage developer/IPPs in the U.S. With almost 3 gigawatts (GW) of renewable energy projects in operation or under construction and a multi-GW pipeline, SB Energy is building the renewable energy future – today. SB Energy also utilizes its strong culture of innovation to identify and incorporate new technology into our projects, including our AI-based digital platform, to deliver renewable energy that is local, reliable, and matched to load.

Come join us in accelerating the energy transition to cleaner, more sustainable sources of power!

Title- Senior Energy Storage Engineer

Basic Function:

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.


  • Create and manage Energy Storage design standards and technical exhibits to set requirements for quality, presentation standards, and cost-effectiveness
  • Support the Engineering and Construction teams on the design review and design optimizations for the energy storage projects.
  • Develop the preliminary site layouts, equipment sizing, and electrical BOP for the energy storage projects
  • Provide engineering support to discretionary permitting and technical compliance during development and construction phases
  • Optimize project designs by drawing upon knowledge of Lithium-ion cells, battery packs, BESS integration, PCS, and BMS/EMS including best practices, specifications, cost, efficiency, code compliance, performance, and reliability
  • Perform project design reviews at specific milestones throughout the final design process and coordinate other internal reviews and approvals by key stakeholders, as needed
  • Work with the EPC and manage the energy storage-related RFIs and submittals during the energy storage project construction
  • Work with the construction team to manage the pre-commissioning, commissioning, and substantial completion tests in the storage projects
  • Assist in final detailed design review process, construction administration, and commissioning of storage projects;
  • Support the engineering tasks on energy storage system modeling, interconnection applications, and project development
  • Willing to visit the equipment manufacturers (battery cells, PCS, etc.) to provide technical inputs to the procurement team
  • Review and understand the energy storage technology landscape and future trends
  • Lead the development and execution of energy storage pilots for the Innovation team to test novel and promising energy storage technologies including, but not limited to liquid metal batteries, flow batteries, CAES, flywheel, and thermal batteries.
  • Serve as an Engineering resource for Energy Storage to internal organization, providing as-needed support to the greater organization
  • Provide technical review and guidance on equipment selection and approved vendor list
  • Support O&M team with technical knowledge and troubleshooting
  • Support Procurement Team with development of approved vendor list by performing technical due diligence reviews


  • Minimum five (5) years’ experience in utility-scale energy storage.
  • BSEE specializing in Power Systems, or other applicable technical field from ABET-accredited University, MS a plus, PE license a plus.
  • Full project life cycle experience from design, to construction, commissioning, and service.
  • Demonstrated strong engineering, design, and communication skills, and an ability to work in a dynamic team environment to think outside the box and solve traditional problems in new ways.
  • Understanding energy storage system modeling, in hybrid with solar or stand-alone (technical and financial modeling in different use cases).
  • Ability to read tariffs, project contracts, permitting documents, and interconnection agreements.
  • In-depth knowledge of Lithium-Ion battery chemistries, battery pack assembly, BESS container or enclosure integration and fabrication, bi-directional power conversion systems, and BMS/EMS/SCADA platforms.
  • Experience working with EPCs on design and technical problem-solving.
  • Familiar with the energy storage standards and codes (IEEE, NEC, ANSI, UL, NFPA, etc.).
  • Familiar with the US energy market and solid understanding of the energy storage revenue streams and valuation.
  • Expertise in Excel modeling and/or Python programming is a plus.
  • Expertise in the energy storage techno-economical modeling (battery optimal sizing/dispatch, IRR calculations, modeling revenues streams, etc.
  • Expertise in AutoCAD and MS Office.
  • Familiarity with mathematic optimization is a plus.
  • Familiarity with AI-based forecasting methods is a plus.

Travel Requirements

The position requires up to 15% domestic and international travels.

Location: Denver, San Francisco Bay Area, or remote option available.

Base Pay - $110,000 - $125,000

Actual compensation packages are based on several factors that are unique to each candidate, such as skill set, experience, certifications, specific work location, and other non-discriminatory factors permitted by law. Base pay may vary per location due to differences in the cost of living.

The total compensation package for this position may also include an annual discretionary bonus, full Health & Wellness Benefits package, generous Long Term Incentive plan designed with our partnership mentality in mind, and other applicable incentive perks as outlined in any formal offer made. The final compensation package will be discussed with the candidate during the final stages of the hiring process.

Our Health & Wellness Benefits:

SB Energy’s Benefits programs are designed to support our team members and their families while keeping their well-being, happiness, and varying needs in mind. SB Energy employees may enroll in our benefits programs and take advantage of customized perks and offerings, including those designed to support families, however defined. We offer the following benefits to all team members:

  • Comprehensive Medical, Dental, and Vision insurance: 100% premium covered by the company, for employees and dependents.​
  • Long-Term Disability (LTD), Life Insurance, AD&D and Voluntary Legal ​Insurance Plan
  • Competitive Retirement Benefits with 401(k) company match
  • Generous Paid Time Off and 11 Paid Company Holidays
  • Flexible working arrangements
  • 12 weeks fully paid Parental Leave
  • Flexible Spending Account (FSA) –​ Medical & Dependent FSA; Transit & Commuter FSA with employer contributions
  • Mental Health Wellness Offerings
  • Discounted Physical Wellness plan & Pet Insurance
  • Monthly reimbursement for Phone/Internet/Data
  • Phone Equipment Purchase Benefits
  • Thoughtful Hybrid Workplace Set-up Benefits

Promote Sustainability with a Purpose - At SB Energy, you may choose to become a part of our ‘Just Renewables’ Committee and work along with team members who share a belief in pursuing our mission in such a way that empowers a diverse and inclusive workforce that advances social justice and equity for our employees as well as partners and communities!

SB Energy is committed to increasing the diversity of its workforce and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. SB Energy strives to create an inclusive culture and safe environment for all.

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