Battery Energy Storage System (BESS) Design Engineer

Battery Energy Storage System (BESS) Design Engineer Denver, CO (Hybrid - Office & Work from home) Description We are seeking a highly skilled and motivated Battery Energy Storage System (BESS) Design Engineer to serve as a subject matter expert (SME) across our portfolio of commercial, industrial, utility-scale, and microgrid projects (100kW to 100MW). This role blends hands-on technical design with cross-functional collaboration, guiding the development and integration of BESS as standalone systems or in conjunction with solar PV and other distributed energy resources. This is an individual contributor and technical lead position ideal for an engineer who enjoys deep technical work, solving complex challenges, and serving as a go-to expert within the organization. About Pure Power Pure Power is an engineering firm specializing in designing big, challenging, and high-profile Solar PV systems. As a full-service engineering firm, we create the electrical and structural drawings and calculation packages for bidding, permits, and construction, as well as supporting the lead up to the full engineering drawings, primarily interconnection support and electrical/structural feasibility studies. An essential aspect of our design is the structural analysis of buildings and structures that support the solar PV system. Those that join the company have an opportunity to: Work in a fast growing, exciting, & innovative industry. Have a career with purpose and impact on the environment. Contribute to the best and largest firm in the solar industry with a great reputation built over the past 10 years. Take pride that our services really are the best in the industry. There is no “fake it until you make it" here! Key Responsibilities Lead the electrical design of BESS projects, including one-line diagrams, system layout, load flow, and control schematics. Ensure designs comply with applicable codes and standards such as NEC 706, UL 9540, NFPA 855, IEEE 1547, and local AHJ permitting requirements. Model system behavior for performance, lifecycle, and resiliency scenarios using industry tools. Support interconnection efforts by developing utility-compliant designs and interfacing with utility engineers as needed. Collaborate with solar PV engineering teams to optimize hybrid systems and coordinate control strategies. Serve as the internal escalation point for technical challenges related to BESS across projects. Participate in client-facing technical meetings to explain design decisions and system performance expectations. Contribute to technical proposals, project scope development, and preliminary design packages. Maintain up-to-date knowledge of BESS technologies, codes, and industry trends. Conduct technical reviews of peer work to ensure quality and compliance. Assist with field support and site assessments on an as-needed basis. Other tasks as assigned. Requirements Bachelor’s degree in Electrical Engineering or related field (Master’s degree preferred). Minimum 5 years of experience in the solar, storage, or microgrid industry, including at least 3 years specifically focused on BESS design and integration. Demonstrated expertise in BESS design, modeling, interconnection, and compliance with AHJ/utility requirements. Proficiency with AutoCAD, modeling tools (e.g., HOMER, PSCAD, ETAP), and control system concepts. Deep understanding of energy storage applications including peak shaving, time-of-use shifting, demand management, and resiliency. Familiarity with microgrid design, including PV+storage+genset configurations and control architectures. Strong communication skills with the ability to interface with clients, utilities, and cross-functional engineering teams. Preferred Traits Proactive problem solver with a passion for emerging energy technologies. Comfortable acting as a mentor and internal educator on BESS topics. Thrives in a dynamic consulting environment with multiple concurrent projects. Willingness to travel occasionally for site visits, client meetings, or field commissioning support. PE license preferred but not required. NABCEP certification, OSHA 10, or other relevant credentials a plus. Location This position will be based out of our exciting Denver, CO area office with the flexibility to work a hybrid in-office and remotely weekly schedule. We also provide a parking spot for the days when an employee wishes to drive to the office and for those that utilize public transportation, we will cover the costs associated with traveling to and from the office. Salary Range: $120,000- 160,000 Annually Compensation and Benefits We offer a competitive salary commensurate with experience. We pay 100% of our employee medical, dental, and vision benefits costs, provide paid leaves, offer 401k matching, commuter benefits, sick time and paid time off, internal & external professional development opportunities and much more! Equal Opportunity Employer Pure Power is an Equal Opportunity Employer (EOE) that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, gender identity, marital status, organ donation, height, weight, or length of hair. We recognize that diversity and inclusion is a driving force in the success of our company. Application Deadline November 8th, 2025 PM21

Salary : $120,000 - $160,000