CFD Engineer

GTI Fabrication • Buffalo, NY

1d

About The Position

GTI is a contract manufacturing partner supporting customers in renewable energy, power generation, infrastructure, and industrial systems. We fabricate custom designed, purpose-built enclosures and skids for our customers and perform mechanical and electrical integration in-house, delivering a true turn-key product to our customers. Our scope spans Engineering, prototype builds, through full production, requiring teams that can move fast, adapt, and execute with precision. GTI Values: Safey I Quality I Customer Obsession I Speed I Agility

Requirements

• Bachelor’s degree in Mechanical Engineering or related engineering discipline
• 6–12+ years of experience in thermal systems engineering, CFD analysis, or mechanical product development
• Strong hands-on experience performing CFD analysis for enclosed industrial systems or thermal-critical products
• Experience sizing cooling systems based on actual heat loads and thermal performance requirements

Nice To Haves

• Experience supporting BESS, modular data centers, power systems, or energy infrastructure products
• Experience validating CFD models through physical testing and heat-run correlation
• Background in enclosure design, sheet metal, weldments, or industrial packaging
• Familiarity with UL requirements, environmental testing, and thermal compliance standards
• Experience operating in high-growth manufacturing or engineered-to-order environments
• Master’s degree with concentration in thermal sciences, heat transfer, or fluid dynamics preferred
• Experience designing cooling systems for battery systems, power electronics, industrial skids, generator enclosures, modular data centers, switchgear, or similar equipment
• Strong understanding of airflow management within enclosed systems
• Experience with CFD tools such as ANSYS Fluent, Icepak, 6SigmaET, SolidWorks Flow Simulation, or similar platforms
• Strong understanding of mechanical integration, manufacturability, and enclosure packaging constraints

Responsibilities

• Lead CFD analysis and thermal modeling activities for enclosed industrial systems and modular infrastructure products
• Develop airflow simulations for BESS enclosures, modular data centers, power electronics, electrical rooms, and integrated equipment platforms
• Analyze airflow distribution, pressure drop, temperature gradients, recirculation zones, hot spots, and thermal rejection performance
• Validate system performance under worst-case operating and ambient conditions
• Optimize thermal architectures to improve cooling efficiency, reliability, acoustics, and manufacturability
• Design and integrate cooling systems based on actual equipment heat loads and operational requirements
• Develop enclosure airflow strategies including intake/exhaust placement, ducting, baffles, plenums, circulation paths, and pressure balancing
• Select and integrate off-the-shelf cooling equipment including HVAC units, heat exchangers, fans, chillers, and thermal management systems
• Design for real-world operating environments including dust, humidity, vibration, solar loading, and extreme ambient conditions
• Ensure designs meet thermal performance targets without excessive cost, noise, or packaging complexity
• Support mechanical packaging and enclosure design activities related to thermal system integration
• Coordinate thermal system layouts with structural, electrical, and manufacturing constraints
• Develop CAD models, engineering drawings, and BOMs supporting thermal and mechanical integration
• Ensure designs support manufacturability, serviceability, maintenance access, and production scalability
• Support prototype testing, heat runs, thermal validation, and system troubleshooting activities
• Correlate CFD models with physical testing data and refine simulations accordingly
• Analyze field performance data to identify opportunities for thermal improvement
• Participate in Root Cause Analysis for overheating, airflow imbalance, thermal failures, or reliability concerns
• Partner closely with Electrical Engineering, Structural Engineering, Manufacturing Engineering, NPI, and Operations teams
• Support customer technical discussions related to cooling performance and thermal design strategy
• Work with manufacturing teams to ensure thermal solutions align with fabrication and assembly capabilities
• Support supplier selection and technical evaluation of cooling system components and technologies
• Drive DFM initiatives focused on scalable thermal system integration and assembly efficiency
• Reduce unnecessary complexity while maintaining thermal performance and reliability targets
• Standardize cooling architectures, airflow strategies, and thermal design methodologies where appropriate
• Contribute to engineering standards, calculation templates, and best practices for CFD and thermal analysis
• Serve as a subject matter expert for CFD analysis, airflow management, and thermal systems engineering
• Mentor junior engineers and support development of internal thermal engineering capability
• Influence system-level product architecture and cooling strategies across multiple programs

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level