Senior Industrial Engineer

STS Technical Services is hiring Senior Industrial Engineers in Milwaukee, Wisconsin.
STS Technical Services is seeking an experienced Senior Industrial Engineer to support a rapidly growing manufacturing operation in Milwaukee, Wisconsin. This role is built for engineers who know how to improve throughput, eliminate bottlenecks, and drive measurable operational performance inside complex manufacturing environments.
If you are hands-on, data-driven, and comfortable working directly on the production floor to improve processes across fabrication, welding, paint, assembly, and shipping operations, this opportunity aligns with your skill set.
Position Summary
The Senior Industrial Engineer will lead manufacturing improvement initiatives focused on productivity, efficiency, quality, safety, and long-term operational scalability. This position supports an engineered-to-order manufacturing environment and requires strong collaboration across production, supply chain, quality, engineering, and leadership teams.
Job Responsibilities Lead plant-wide continuous improvement initiatives focused on productivity, quality, safety, and cost reduction
Analyze and optimize workflows across fabrication, welding, paint, assembly, and shipping operations
Develop labor standards, staffing plans, capacity models, and production metrics
Identify production bottlenecks and implement sustainable process improvements to increase throughput and improve on-time delivery
Design and improve plant layouts, workstation ergonomics, material flow systems, and factory organization
Lead root cause analysis and corrective actions related to downtime, scrap, rework, and operational inefficiencies
Create and maintain SOPs, standard work documentation, and operational best practices
Evaluate automation opportunities, capital equipment investments, and ROI-driven manufacturing improvements
Partner with Production, Quality, Safety, Supply Chain, and Engineering leadership teams to execute operational priorities
Mentor junior engineers and support the development of a continuous improvement culture throughout the facility Qualifications Bachelor's degree in Industrial Engineering, Manufacturing Engineering, Mechanical Engineering, or related field
5 to 15 years of Industrial Engineering or Manufacturing Engineering experience in a production environment
Strong background in metal fabrication, welding, heavy manufacturing, job shop, or engineered-to-order manufacturing environments preferred
Proven success implementing Lean Manufacturing, Kaizen, 5S, value stream mapping, and continuous improvement initiatives
Experience with labor studies, line balancing, plant layout development, capacity planning, and KPI management
Strong analytical and problem-solving skills with the ability to turn operational data into measurable improvements
Comfortable leading projects and influencing cross-functional teams without direct authority
ERP and MRP system experience required
CAD experience preferred
Six Sigma certification or equivalent continuous improvement training is a plus What Success Looks Like Improved plant throughput and labor efficiency
Reduced bottlenecks, waste, scrap, and rework
Better production flow and stronger on-time delivery performance
Standardized manufacturing processes that support future operational growth
Increased operational discipline and process consistency across departments 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, innovation, and long-term growth.
If you are ready to lead high-impact manufacturing improvement initiatives in Milwaukee, Wisconsin, apply today.
STS Technical Services is an Equal Opportunity Employer.
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