BESS Principal Engineer

Job Title: BESS Principal Engineer Job Description The BESS Principal Engineer plans, designs, and executes large-scale energy storage projects, providing engineering leadership and consulting across cross-functional teams to deliver best-in-class battery energy storage solutions. This role combines deep technical expertise with strong project management capabilities and requires hands-on experience in the energy storage field, from initial concept and scope definition through project completion. Responsibilities Support the design phase and engineer major components for large-scale battery energy storage projects. Review engineering drawings, recognize inconsistencies, take corrective action, and drive continuous improvement in design quality and efficiency. Identify and resolve errors in engineering studies and propose robust solutions to prevent recurrence. Prepare detailed technical scopes of work to support contracts and vendor engagements. Support projects from inception to completion by working closely with project managers and cross-functional stakeholders. Influence project teams on key engineering decisions and guide technical direction across disciplines. Monitor project progress and technical issues to ensure alignment with schedule, budget, and performance targets. Manage project milestones, proactively identify risks, and recommend mitigation strategies. Collaborate with suppliers to integrate major equipment into overall system designs. Work with diverse internal and external teams to solve complex problems, enhance project opportunities, and integrate systems and controls effectively. Interpret and apply specifications for major equipment purchasing, ensure clear technical communication, and recommend solutions when issues arise. Understand permitting requirements for energy storage projects, propose solutions to regulatory and legal challenges, and recommend site design improvements. Perform additional engineering and project-related duties as assigned to support successful delivery. Travel up to 25% of the time to project sites and corporate offices for project-specific duties, with additional travel for remote team members as needed. Essential Skills Minimum of 3 years of experience in Solar/PV engineering and/or construction, with exposure to utility-scale or large commercial projects. Demonstrated expertise in one or more of the following areas: power electronics, battery storage system design, substation design, or generation tie design. Strong understanding of energy storage technologies, including battery chemistries, power conversion units, and DC/DC converters. Familiarity with lithium-ion battery storage safety standards such as UL1973, UL9540, NFPA 855, NFPA 70E, NEC, and applicable IFC/IBC sections. Ability to independently manage specialized technical tasks and make sound engineering judgments. Excellent verbal and written communication skills, with the ability to convey complex technical concepts to diverse audiences. Proven ability to work effectively with project managers and cross-functional teams throughout the full project lifecycle. Additional Skills & Qualifications Experience working on large-scale battery energy storage systems (BESS) and related grid-connected infrastructure. Familiarity with relevant IEC standards applicable to energy storage and electrical systems. Strong problem-solving skills and the ability to propose innovative technical and design solutions. Comfort working in a fast-paced corporate environment with multiple concurrent projects. Willingness to travel for site visits, supplier meetings, and in-office collaboration, with flexibility for increased travel when working remotely. Ability to build productive relationships with suppliers, contractors, and internal stakeholders. Strong organizational skills with the ability to manage milestones, track risks, and maintain project documentation. Work Environment This role operates in a corporate environment focused on large-scale energy storage and solar/PV projects, with collaboration across engineering, project management, and supplier teams. The primary location is Juno Beach, with a preference for on-site work and openness to remote arrangements for highly qualified candidates who are willing to travel more frequently for in-office visits and project needs. Work involves a mix of office-based design and analysis, virtual collaboration with cross-functional teams, and periodic travel to project sites and supplier facilities. The environment emphasizes safety, adherence to industry standards and codes, and the use of modern engineering tools and methodologies to deliver high-quality, utility-scale energy storage solutions. Job Type & Location This is a Contract to Hire position based out of Juno Beach, FL. Pay and Benefits The pay range for this position is $65.00 - $70.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Sep 2, 2026. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [email protected] for other accommodation options. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.