GTI Fabrication is seeking a highly experienced and technically proficient Senior Manufacturing Engineer to lead the design, control, and continuous improvement of manufacturing processes in a modular fabrication environment. This individual contributor role focuses on developing scalable, efficient production methods for custom enclosures, containerized systems, and structural steel weldments. The ideal candidate will have deep experience in SolidWorks, AutoCAD, Lean Manufacturing, and quality systems such as ISO9001.
The Senior Manufacturing Engineer will work cross-functionally with Engineering, Operations, Quality, and Supply Chain to ensure manufacturability, cost-effectiveness, and regulatory compliance across the product lifecycle
### Key Responsibilities
- Design, implement, and optimize manufacturing processes for modular fabricated systems, containerized enclosures, and steel structures.
- Develop formal manufacturing documentation including process flow diagrams, work instructions, BOMs, routings, CNC programming, and assembly/inspection plans.
- Use CAD tools (SolidWorks and AutoCAD) to design fixtures, tooling, and work-holding solutions to support scalable production.
- Translate engineering design requirements into robust and efficient production processes.
- Lead new product introduction (NPI) efforts from prototype through full-rate production.
- Apply Lean Manufacturing principles to reduce waste, improve flow, and optimize floor layouts.
- Integrate automated and digital manufacturing technologies where applicable.
- Collaborate with cross-functional teams to evaluate manufacturability and ensure alignment between engineering intent and production capability.
- Utilize ERP systems (NetSuite preferred) to manage process documentation and support real-time operations visibility.
- Maintain compliance with ISO 9001 standards; support internal and external audits.
- Drive root cause analysis and corrective action using tools like FMEA, SPC, and 8D.
- Mentor technicians and junior engineers in best practices for manufacturing engineering.
- Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, or related field.
- 8–15 years of experience in manufacturing engineering, preferably in modular fabrication, defense, energy, or industrial equipment sectors.
- Proficiency in SolidWorks and AutoCAD for 3D modeling, 2D drafting, and tolerance analysis.
- Strong working knowledge of Lean Manufacturing, Six Sigma, or similar methodologies.
- Experience with ERP/MRP systems (NetSuite a plus).
- Demonstrated success in process development, design for manufacturability, and production scaling.
- Hands-on experience with containerization, modular product platforms, and structural weldments.
- Knowledge of ISO9001 quality systems and compliance standards.
- Exceptional analytical, problem-solving, and project management skills.
- Excellent communication and interpersonal abilities.
- Experience in containerized HVAC, power distribution, or control system enclosures.
- Familiarity with CNC machining, sheet metal fabrication, and industrial coatings.
- Certification in Lean Six Sigma, PMP, or related process improvement disciplines.
- Experience with CFD/FEA simulation tools.
- This is a full-time onsite position based in Buffalo, NY.
- Work takes place in both office and fabrication floor environments.
- May require occasional travel to customer sites or GTI facilities.
- Must be able to occasionally lift up to 25 lbs and walk fabrication areas
Preferred Qualifications:
Working Conditions:
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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