IPG Photonics is revolutionizing the laser industry as the pioneering developer and leading producer of fiber lasers and amplifiers. Headquartered in Marlborough, MA, IPG has over 4,800 employees in more than 30 locations around the world. We aspire to work together with our employees and customers to apply light in ways that improve life. Our mission is to develop innovative laser solutions to make the world a better place. To accomplish this mission, we are committed to attracting and retaining the best talent and an engaged and thriving workforce that drives a sustainable future for our company and society. Working at IPG Photonics you can expect challenging projects, a motivating and friendly environment, and competitive benefits. Job Summary The Sustaining Product Engineer is a hands-on member of the LightWELD engineering team responsible for sustaining IPG's LightWELD handheld laser welding product family in manufacturing. This role focuses on released-product support, manufacturing process stability, root cause and corrective action, engineering change management, and continuous improvement of assembly, test, quality, reliability, and cost. The engineer works with manufacturing, quality, service, supply chain, optomechanical, electronics, and software teams to keep LightWELD products robust, manufacturable, serviceable, and ready for customer demand. Key Responsibilities Support LightWELD sustaining engineering activities for released products, daily manufacturing needs, production constraints, and product quality, reliability, manufacturability, serviceability, and cost improvements

Lead or support troubleshooting, failure analysis, and root cause/corrective action for LightWELD manufacturing, assembly, test, supplier, field, and service issues

Own sustaining engineering changes, including ECOs, drawing and BOM updates, configuration control, deviations, and documentation releases needed for stable and repeatable production

Partner with production, manufacturing engineering, quality, supply chain, service, optomechanical, electrical, and software teams to improve assembly methods, test processes, yields, throughput, and product consistency

Create, maintain, and revise SolidWorks models, drawings, fixtures, work instructions, test documentation, and engineering records in SolidWorks PDM, ensuring compliance with

GD&T, ASME

Y14.5, and configuration-management practices

Support sustaining process improvements such as DFM/DFA updates, tolerance analysis, material and supplier evaluations, cost reduction, reliability improvements, and safety or regulatory updates for high-power handheld laser welding systems. Minimum Qualifications Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Product Engineering, or related technical discipline

2-4 years of relevant sustaining, manufacturing, mechanical, or product engineering experience, with hands-on involvement in assembly, testing, troubleshooting, and production support of mechanical or electromechanical systems

Experience in sustaining, manufacturing, quality, or reliability engineering, including RCCA, CAPA, PFMEA, 8D, or similar structured problem-solving methodologies

Proficiency with SolidWorks 3D CAD and 2D drafting, including GD&T and ASME Y14.5, with practical understanding of configuration control, released-product documentation, and manufacturability-focused design updates

Strong analytical, hands-on problem-solving, cross-functional communication, and documentation skills, with the ability to drive issues from investigation through implementation. Preferred Qualifications Experience using SolidWorks PDM or similar systems for configuration management, revision control, ECO release, and manufacturing documentation control

Knowledge of product manufacturing processes such as machining, sheet metal, casting, molding, additive manufacturing, joining, finishing, assembly, and test

Exposure to optomechanical systems, precision assemblies, power electronics, thermal management, or laser-based industrial equipment

Experience using data, Python, Excel, or similar tools to analyze manufacturing yield, test results, field/service trends, reliability data, or corrective-action effectiveness

Experience supporting handheld industrial tools, welding equipment, laser systems, or high-volume released products; Master's degree in a related technical field is a plus.