Senior Mechanical Engineer - Battery Energy Storage Systems
Posted 28 days ago
Mechanical Design & System Packaging
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Design steel enclosures and structural platforms housing battery cabinets, PCS inverters, transformers, and electrical distribution equipment
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Develop equipment layouts supporting service access, ventilation, thermal separation, and cable routing zones
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Design modular steel assemblies, sheet metal components, structural weldments, and integrated equipment platforms using SolidWorks
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Coordinate mechanical packaging and enclosure design activities supporting modular BESS integration
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Perform structural analysis and FEA on welded assemblies, lifting structures, anchoring systems, and transport frames
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Perform CFD and thermal analysis supporting battery cooling, HVAC airflow, and heat rejection within enclosed systems
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Support thermal management strategies for high-power electrical equipment operating within compact enclosure environments
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Evaluate structural integrity, airflow performance, and manufacturability throughout product development activities
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Collaborate with Electrical Engineering teams to coordinate penetrations, cable trays, grounding provisions, equipment spacing, and integration requirements
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Coordinate with Manufacturing, Quality, and Integration teams to ensure designs support fabrication, assembly, welding, and field installation requirements
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Apply Design for Manufacturing (DFM) principles supporting efficient production and integration workflows
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Support prototype builds, factory integration activities, and NPI phase gate reviews
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Ensure designs support UL 9540 energy storage system certification requirements and thermal event mitigation strategies
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Support root cause analysis and corrective actions related to mechanical issues identified during testing, integration, or production
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Participate in design reviews, prototype evaluations, and production launch activities
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Support standardization of enclosure architectures, structural design practices, and modular packaging strategies across BESS product lines
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Mentor CAD technicians and junior engineers on enclosure design, modular packaging strategies, and design best practices
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Support development of engineering documentation, design standards, and manufacturing release packages
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Provide technical guidance throughout design, fabrication, integration, and production activities
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Structural, Thermal & CFD Analysis
Cross-Functional Integration
Compliance, Testing & Production Support
Technical Leadership
Required Qualifications
Preferred Qualifications
GTI Energy offers a competitive compensation and benefits package designed to support employees and their families while providing long-term career growth opportunities within a fast-growing manufacturing organization. Benefits may include:
• Medical, dental, and vision insurance
• 401(k) with company match (where applicable)
• Paid Time Off (PTO) and paid holidays
• Sick time in accordance with state and local requirements
• Company-paid life insurance and disability coverage
• Career advancement opportunities within a rapidly growing organization
• Exposure to advanced manufacturing, modular infrastructure, and large-scale industrial projects
• Collaborative, fast-paced environment with strong operational and engineering leadership
• Employee-focused culture centered on safety, quality, accountability, and continuous improvement
Benefits eligibility and offerings may vary based on position, location, and employment classification.
GTI Fabrication is a leading U.S.-based contract manufacturer specializing in complex steel enclosures and fully integrated systems for Energy Storage (BESS), Power Generation, Modular LNG, Data Centers, Defense, and Offshore markets. Founded in 2015 in Buffalo, NY, GTI has rapidly expanded with advanced manufacturing facilities in Buffalo, Phoenix, and Monterrey, offering over 1,000,000 sq. ft. of combined production space. Our capabilities span structural steel fabrication, precision welding, powder coating, mechanical and electrical integration, battery integration, and end-of-line testing—all under one roof. We are an ISO 9001:2015 certified manufacturer and one of the only LRQA and ABS-approved ISO shipping container factories in the U.S., ensuring full TAA/BAA compliance for government and defense contracts. At GTI, we believe in long-term partnerships over vendor relationships. Our engineering, manufacturing, and supply chain teams work side-by-side with customers to bring complex products from prototype to mass production—on time, on budget, and at scale. Key Capabilities ✔ U.S. and Mexico-based Manufacturing ✔ BESS Enclosure Fabrication & Integration ✔ ISO Container Customization & Certification (CSC, ABS, LRQA) ✔ Power Gen Packaging & Modular Data Centers ✔ Busbar, Wire Harness, and Battery Module Assembly ✔ Robotic Welding & Automation ✔ Full-Service Engineering & Prototyping ✔ High Volume Manufacturing
Key team members
Anthony Adragna
Christopher Rossi
Shane Kemplin
Brad Gallion
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