Operational Excellence: Focused Improvement Lead

Mars; Sioux City (IA); On-site; USD 70,000 - 100,000; Full time

Job summary

Mars is seeking a Site Focused Improvement Specialist to drive structured loss elimination and sustainable performance across our Sioux City manufacturing site. You will identify operational losses, solve root causes, and implement practical improvements that reduce waste, improve quality, and increase throughput.

Collaborating with Operations, Engineering, Quality, Maintenance, Planning, Continuous Improvement and Industrial Engineering, you will turn data and floor observations into measurable

Qualifications

• 2–3+ years of experience in manufacturing, operations, continuous improvement, quality, engineering, maintenance, production support, or industrial engineering.
• High school diploma or equivalent.
• Strong understanding of manufacturing operations, production systems, and performance loss drivers.
• Experience using structured problem-solving tools such as RCA, DMAIC, 5 Why, fishbone, A3, or similar methodologies.
• Ability to collect, analyze, and translate operational data into practical improvement actions.
• Working knowledge of manufacturing KPIs such as waste, scrap, downtime, throughput, efficiency, quality losses, labor productivity, schedule adherence, or equipment performance.
• Strong communication, facilitation, and collaboration skills across hourly associates, supervisors, managers, and support functions.
• Comfortable spending time on the production floor across shifts to understand problems at the source.
• Strong organizational skills with the ability to manage multiple improvement actions and follow through to completion.

Responsibilities

• Lead and support focused improvement initiatives to reduce waste, quality losses, downtime, production inefficiencies, and other operational cost drivers.
• Use structured problem-solving tools such as RCA, DMAIC, 5 Why, fishbone, Pareto analysis, A3, value stream mapping, and floor observations to identify and eliminate root causes.
• Partner with Operations, Engineering, Quality, Maintenance, Planning, Continuous Improvement, and Industrial Engineering teams to convert identified losses into clear action plans and measurable improvement projects.
• Analyze production data, waste reports, downtime trends, quality losses, process performance, and other operational KPIs to identify recurring issues and improvement opportunities.
• Support site performance improvement by making losses visible, prioritizing high-impact opportunities, and driving actions to completion.
• Facilitate cross-functional problem-solving sessions and ensure actions are assigned, tracked, verified, and sustained.
• Work directly with line teams, supervisors, and area owners to validate problems at the source and build ownership for improvement actions.
• Help develop and sustain standards, routines, controls, and best practices that prevent recurrence of losses.
• Coach associates and leaders on basic problem-solving methods and continuous improvement routines.
• Support continuous improvement deployment by connecting improvement activities to site priorities, operating standards, and performance management routines.
• Spend significant time on the manufacturing floor observing processes, validating data, engaging teams, and confirming countermeasure effectiveness.
• Collaborate with local and regional Continuous Improvement / Industrial Engineering networks to share best practices and support improvement activities when needed.
• Travel up to 25% to participate in training, benchmarking, and support activities across the network.

Skills

Manufacturing operations

Data analysis

Cross-functional collaboration

Education

Bachelor's degree

Tools

RCA

DMAIC

5 Why

Fishbone

A3

Pareto analysis

Value stream mapping

Job description

Mars is seeking a Site Focused Improvement Specialist to drive structured loss elimination and sustainable performance across our Sioux City manufacturing site. You will identify operational losses, solve root causes, and implement practical improvements that reduce waste, improve quality, and increase throughput.

Collaborating with Operations, Engineering, Quality, Maintenance, Planning, Continuous Improvement and Industrial Engineering, you will turn data and floor observations into measurable