Senior Electrical Engineer - Battery Energy Storage Systems (BESS)

We believe electricity powers modern life. As part of our Power sector, you’ll help shape how electricity is generated, transmitted and delivered as global energy demands grow. From massive data centers to modernizing transmission systems, our industry‑recognized engineers and scientists have been at the forefront of grid transformation for more than a century. You’ll work side‑by‑side with these experts and contribute to reliable, resilient and sustainable power systems, helping communities thrive and industries expand. This isn’t just a job, it’s a chance to drive infrastructure forward, power innovation and leave your mark on our energy future. Primary Responsibilities Support grid‑scale Battery Energy Storage Systems (BESS) projects developing conceptual layouts and one‑line diagrams and supporting the detailed design through the completion of Issue for Construction design packages. Evaluate and analyze energy storage technologies, products, and vendors and support clients with technology and vendor selection and implementation. Support microgrid and distributed energy resources projects by developing detailed electrical engineering designs. Develop and review engineering design plans, technical specifications, cost estimates, and construction documents at various design milestones for BESS projects. Support developers, utilities, and other clients with identifying, defining, and implementing use‑cases for battery energy storage systems in both centralized and distributed locations. Develop written technical reports that effectively convey battery energy storage concepts, use‑cases, and feasibility study results to various types of audiences. Coordinate closely with civil, structural, fire & life safety (F&LS), high‑voltage electrical, SCADA/telecommunications, water, and geotechnical engineers to develop complete Issue for Construction design packages for BESS projects. Participate in design reviews with various stakeholders including governing and permitting agencies. Support development of and updates to internal design guidelines, catalogs, and templates for power generation projects. Conduct quality assurance/quality control on the work of other electrical engineers, electrical designers, or technicians. Provide construction phase technical support including bid addenda, submittal reviews, Requests for Information (RFI), Construction Progress Reports (CPR) and change orders, and incorporate agreed‑upon changes into the project documents, as needed. Participate in meetings with clients, contractors, and vendors to support business development and project execution. Coordinate project workload to deliver documents on schedule. Serve as a mentor or counsellor to junior members of the team. Provide technical support and assistance to HDR’s team and clients. Preferred Qualifications Design experience adhering to National Electrical Code, National Electric Safety Code, IEEE codes and standards, and county, city and state codes, ordinances and standards. Technical writing experience with equipment, construction and procurement specifications. Minimum 10 years of experience in design of BESS, power generation, renewables, electrical distribution, or power system controls. Understanding of BESS technologies as well as integration of these systems into traditional power generation and renewables generation facilities. Understanding of typical communication network topology, fire alarm systems, and relay coordination. Technical knowledge to analyze and interpret technical data and documents related to battery energy storage systems. Excellent written and verbal communication skills for a broad range of audiences. Ability to effectively support multiple complex and time sensitive projects. Ability to multi‑task by prioritizing, organizing, and scheduling work. Identify and resolve issues effectively and efficiently. Ability to interact with clients as well as design and construction teams in a positive and proactive manner. Ability to adapt to change within a fast‑paced business environment. Ability to interface with diverse personalities. Self‑motivated and Team player. Demonstrable technical writing/editing ability, commitment to quality in work products. Ability to travel to support projects, meet with clients, or attend industry events. Travel required up to 10% domestic and international. Strong interpersonal skills. Required Qualifications Bachelor's degree in Electrical Engineering or Architectural Engineering with an Electrical emphasis. Previous experience in electrical design of buildings (lighting/power/systems). Professional Engineer (PE) license. Strong computer skills using AutoCAD and Microsoft Office, Revit, SKM, AGI and Easy Power. An attitude and commitment to being an active participant of our employee‑owned culture is a must. Benefits We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long‑term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full‑time regular positions. Temporary and part‑time roles eligible for limited benefits.) Washington: $106,068 - $183,425; California: $122,815 - $199,375; Colorado: $111,650 - $175,450; New York: $111,650 - $199,375; Ohio: $111,650 - $159,500; Connecticut: $122,815- $175,450; Maryland: $117,233 - $167,475; Montana: $106,068 - $151,525; Nevada: $111,650 - $159,500; Rhode Island: $117,233 - $167,475; Minnesota: $117,233 - $167,475; Illinois: $117,233 - $167,475; New Jersey $134,274 - $208,500. Primary Location: United States - Arizona - Phoenix Other Locations: United States - Texas - Round Rock, United States - Nevada - Reno, United States - Texas - Austin, United States - Colorado - Denver, United States - Oregon - Portland, United States - Illinois - Chicago, United States - Minnesota - Minneapolis, United States - Arizona - Tucson, United States - Michigan - Ann Arbor, United States - Nevada - Las Vegas, United States - Texas - Dallas, United States - New Mexico - Albuquerque, United States - Wisconsin - Madison, United States - Wisconsin - Milwaukee Industry: Power Schedule: Full‑time Employee Status: Regular Business Class: Power Generation Job Posting: May 22, 2026 At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer ( We consider all qualified applicants, regardless of criminal histories, arrest and conviction records. #J-18808-Ljbffr HDR