Salary :
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GTI is seeking a Senior Mechanical Engineer to lead the mechanical design of Battery Energy Storage System enclosures and integrated platforms. This role is responsible for developing manufacturable steel structures, equipment layouts, thermal management strategies, and serviceable enclosure designs that support high-power battery and inverter equipment. The engineer will collaborate with electrical engineering, manufacturing, and integration teams to deliver production-ready modular energy storage systems.
Key Responsibilities
Mechanical Design & System Packaging
Design steel enclosures and structural platforms housing battery cabinets, PCS inverters, transformers, and electrical distribution equipment
Develop equipment layouts supporting service access, ventilation, thermal separation, and cable routing zones
Design modular steel assemblies, sheet metal components, structural weldments, and integrated equipment platforms using SolidWorks
Coordinate mechanical packaging and enclosure design activities supporting modular BESS integration
Structural, Thermal & CFD Analysis
Perform structural analysis and FEA on welded assemblies, lifting structures, anchoring systems, and transport frames
Perform CFD and thermal analysis supporting battery cooling, HVAC airflow, and heat rejection within enclosed systems
Support thermal management strategies for high-power electrical equipment operating within compact enclosure environments
Evaluate structural integrity, airflow performance, and manufacturability throughout product development activities
Cross-Functional Integration
Collaborate with Electrical Engineering teams to coordinate penetrations, cable trays, grounding provisions, equipment spacing, and integration requirements
Coordinate with Manufacturing, Quality, and Integration teams to ensure designs support fabrication, assembly, welding, and field installation requirements
Apply Design for Manufacturing (DFM) principles supporting efficient production and integration workflows
Support prototype builds, factory integration activities, and NPI phase gate reviews
Compliance, Testing & Production Support
Ensure designs support UL 9540 energy storage system certification requirements and thermal event mitigation strategies
Support root cause analysis and corrective actions related to mechanical issues identified during testing, integration, or production
Participate in design reviews, prototype evaluations, and production launch activities
Support standardization of enclosure architectures, structural design practices, and modular packaging strategies across BESS product lines
Technical Leadership
Mentor CAD technicians and junior engineers on enclosure design, modular packaging strategies, and design best practices
Support development of engineering documentation, design standards, and manufacturing release packages
Provide technical guidance throughout design, fabrication, integration, and production activities
Requirements
Required Qualifications
- Bachelor’s degree in Mechanical Engineering
- 7+ years of experience designing industrial equipment, energy systems, or modular infrastructure
- Strong SolidWorks experience including weldments, sheet metal, and large assemblies
- Experience with structural steel design, thermal analysis, and HVAC packaging
- Experience supporting high-power electrical equipment packaging or industrial enclosures
- Strong knowledge of engineering documentation, BOM development, and revision control
Preferred Qualifications
- Experience designing battery energy storage systems or power conversion equipment
- Familiarity with UL 9540, UL 9540A, and NFPA 855 frameworks
- Experience designing modular or containerized infrastructure systems
Benefits & Perks
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.
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