Job#: 3027619 Job Description: The Utility Scale Energy Storage team is seeking a Project Engineer specializing in Thermal Management for Lithium-Ion Battery Systems. In this role, you will support BESS projects from design through commissioning, collaborating across the organization to deliver best-in-class energy storage solutions.
You will define scope, provide engineering oversight, and serve as a technical resource for crossfunctional teams - combining strong analytical skills with a customer-service mindset for both internal and external stakeholders. The ideal candidate is a detail-oriented problem solver who can identify lessons learned, implement process improvements, and develop tools and standards that maximize BESS performance.
Key Responsibilities - Evaluate design aspects of major components for utility-scale energy storage projects
- Prepare technical scopes of work for thermal management studies and designs for incorporation into contract documents
- Support projects from conception through commissioning, including on-site commissioning activities
- Provide engineering guidance to project teams and oversee external Engineers of Record
- Collaborate with suppliers on equipment sizing, controls, technology compatibility, and integration
- Partner with multi-disciplined teams on problem solving, system integration, and process improvement
- Identify value engineering opportunities and track emerging technologies
- Perform other job-related duties as assigned
Preferred Experience - Subject matter expertise in thermal management for energy storage systems, including one or more of: hydronic HVAC, air-cooled HVAC, battery heat generation/dissipation, or BESS design
- Hands-on experience with VRF, hydronic, and air-side HVAC systems
- Strong knowledge of energy storage technologies, including battery chemistries, power conversion units, and DC/DC converters
- Familiarity with relevant safety standards: UL1973, UL9540, UL9540A, NFPA 855, NFPA 70E, NEC, and applicable IFC/IBC sections
- Effective communicator, able to convey technical concepts to diverse audiences
Education & Experience - B.S. in Mechanical Engineering or related field from an ABET-accredited program
- 5+ years of engineering experience
EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
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