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Service Manager Sioux City

Posted Oct 9, 2026

Job description

Company: I-State Truck Center Location: Sioux City, Iowa I-State Truck Center is hiring a Service Manager to lead our Heavy-Duty Truck Service Shop in Sioux City, Iowa. This role is responsible for service department operations, team leadership, customer satisfaction, and shop profitability. If you are an experienced truck or diesel service leader, we encourage you to apply.

About the Role

The Service Manager leads the Service Department by driving performance, growing service revenue, and ensuring high levels of customer satisfaction. This position plays a key role in Fixed Operations and partners closely with leadership to support business growth. I-State Truck Center is part of Interstate Companies, Inc.

, a multi-location organization with over 1,600 employees across five operating units. We are a leader in heavy-duty truck and diesel service, guided by our commitment to Pride in Service.

Key Responsibilities

Lead daily operations of the truck service department Recruit, train, and develop a high-performing service team Drive service revenue, efficiency, and profitability Ensure excellent customer service and communication Monitor KPIs including labor efficiency, throughput, and margin Oversee work orders, quoting, and service invoicing Ensure compliance with safety standards and company policies Required Experience & Skills Prior experience as a Service Manager or Fixed Operations leader Strong knowledge of truck or diesel service operations Leadership, customer service, and communication skills Ability to manage P&L, budgets, and operational metrics Mechanical understanding of truck repair and service processes Experience with 5S / Lean principles preferred Qualifications High School Diploma or G.

E.D. Truck shop service management experience preferred Ability to work in a fast-paced service environment Benefits Competitive compensation PTO from day one + paid holidays 401(k) with company match Health, dental, vision, life & disability insurance Tuition assistance and tool programs Uniforms provided and cleaned Employee discounts and wellness programs Interstate Companies, Inc.

is an Equal Opportunity Employer and a Military Friendly Employer. Apply today to lead a respected service operation with I-State Truck Center. #DTLYL

Description copied from Interstate Companies's careers page. Read the full posting before you apply.

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