Senior Manufacturing Engineer

STS Technical Services is hiring Senior Manufacturing Engineers in Milwaukee, Wisconsin. STS Technical Services is seeking an experienced Senior Manufacturing Engineer to support and improve manufacturing operations for a rapidly growing production environment in Milwaukee, Wisconsin. This role is built for engineers who understand how to bridge engineering, operations, and supply chain execution while driving measurable improvements across the shop floor. If you have strong manufacturing experience, Epicor ERP knowledge, and the ability to improve production processes inside an engineered-to-order environment, this opportunity aligns with your skill set. Position Summary The Senior Manufacturing Engineer will provide day-to-day production support while improving manufacturing workflows, ERP accuracy, labor efficiency, and operational execution. This position supports fabrication, welding, paint, assembly, and final integration operations in a fast-paced manufacturing environment focused on scalability and continuous improvement. Job Responsibilities Provide day-to-day engineering support for fabrication, welding, paint, assembly, and final integration operations Translate customer drawings, specifications, and engineered designs into effective manufacturing plans and routings Develop and maintain bills of materials, labor standards, routings, and work instructions within Epicor ERP Optimize manufacturing processes to improve throughput, reduce waste, and increase quality and on-time delivery Troubleshoot production issues and implement practical corrective actions that minimize downtime Partner with Production leadership teams to improve scheduling readiness, material flow, and shop floor execution Drive continuous improvement initiatives focused on labor efficiency, cycle time reduction, scrap reduction, and workflow optimization Audit ERP data integrity related to jobs, methods, materials, production transactions, and costing Support new product introductions, engineering changes, and custom orders from release through production Collaborate with Industrial Engineering, Quality, Purchasing, and Design Engineering teams on operational initiatives Assist with fixture design, tooling improvements, automation opportunities, and capital equipment projects Mentor junior engineers and promote manufacturing best practices throughout the operation Qualifications Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, or related field preferred 5 to 15 years of Manufacturing Engineering experience in a production environment Hands-on Epicor ERP experience strongly preferred, including routings, BOMs, job methods, costing, engineering changes, and production transactions Experience in metal fabrication, welding, heavy equipment, power systems, or engineered-to-order manufacturing environments highly preferred Strong ability to read technical drawings, fabrication prints, and customer specifications Experience creating SOPs, standard work instructions, routings, and scalable manufacturing documentation Working knowledge of Lean Manufacturing, Kaizen, root cause analysis, and continuous improvement tools Strong communication skills and the ability to work effectively between engineering offices and production teams Ability to manage multiple priorities in a fast-paced manufacturing environment CAD experience is a plus What Success Looks Like Improved shop floor execution and fewer production disruptions Accurate routings, BOMs, and manufacturing data within Epicor ERP Increased labor efficiency and improved production throughput Reduced rework, waste, and schedule delays Stronger coordination between Engineering, Operations, and Supply Chain Scalable manufacturing systems that support long-term company growth About STS Technical Services STS Technical Services is a Top 100 Staffing Firm that partners with some of the largest names in aerospace, manufacturing, defense, and industrial operations. We connect experienced professionals with opportunities that drive operational performance, manufacturing efficiency, and long-term growth. If you are ready to support high-impact manufacturing operations in Milwaukee, Wisconsin, apply today. STS Technical Services is an Equal Opportunity Employer.