Charles Shenkel
Sidney
Summary
Results-driven Service and Operations Leader with over 10 years of progressive experience in truck, automotive, and equipment service management. Proven ability to drive revenue growth, improve operational efficiency, and develop high-performing teams. Strong background in customer relations, mechanical operations, and strategic business planning.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Service Manager
21st Century Equipment
Sterling, CO
06.2025 - Current
- Lead daily operations of a full-service equipment and truck center, overseeing service staff, workflow, and departmental profitability.
- Manage and mentor a diverse team, improving productivity, accountability, and employee morale.
- Develop and implement sales and service strategies to increase revenue and expand market presence.
- Build and maintain strong relationships with customers, vendors, and business partners.
- Address and resolve customer concerns efficiently, strengthening client retention and satisfaction.
- Streamline operational procedures to reduce downtime and improve service turnaround times.
General Manager
Floyd’s Truck Center
Sidney, NE
09.2018 - 06.2025
- Directed overall business operations, including sales, service, staffing, and financial performance.
- Led team development initiatives that improved productivity and workplace culture.
- Increased sales and profitability through strategic planning and customer relationship management.
- Strengthened vendor partnerships and supply chain efficiency.
- Implemented operational improvements to enhance workflow and customer satisfaction.
Construction Worker (Part-Time)
M&S Construction
Sidney, NE
06.2021 - 02.2022
- Assisted with job site preparation and supported construction crews to ensure timely project completion.
- Maintained safety standards and followed project specifications.
Parts Specialist
AutoNation
Denver, CO
08.2014 - 08.2018
- Managed parts inventory and supported technicians to reduce repair delays.
- Delivered exceptional customer service in-store and by phone.
- Coordinated vendor orders and resolved parts shortages or defects.
- Maintained accurate inventory control and processed returns/exchanges.
Lot Technician
Ralph Schomp Automotive
Denver, CO
09.2013 - 08.2014
- Supported sales operations and maintained dealership lot organization.
- Assisted customers and contributed to a professional, customer-focused environment.
Education
High School Diploma -
Range View High School
Aurora, CO05-2012
Skills
- Operations Management
- Service Department Leadership
- Team Development & Training
- Revenue Growth & Profitability
- Customer Relationship Management
- Vendor & Supply Chain Coordination
- Process Improvement
- Mechanical Troubleshooting
- Performance Optimization
- Conflict Resolution
- Positive attitude
- Team leadership
- Multitasking and organization
Certification
- Forklift Certification
- Fall Safety Certification
Timeline
Service Manager
21st Century Equipment
06.2025 - Current
Construction Worker (Part-Time)
M&S Construction
06.2021 - 02.2022
General Manager
Floyd’s Truck Center
09.2018 - 06.2025
Parts Specialist
AutoNation
08.2014 - 08.2018
Lot Technician
Ralph Schomp Automotive
09.2013 - 08.2014
High School Diploma -
Range View High School