Jarnail Singh
Lathrop
Summary
Service professional with strong background in managing service teams and operations. Known for effective problem-solving and improving service processes. Focuses on team collaboration and delivering consistent results, adaptable to changing needs. Skilled in conflict resolution and operational efficiency.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Service Supervisor
Cummins Inc.
10.2025 - Current
- Supervised and scheduled service technicians to ensure timely, high-quality repairs aligned with customer quotes and operational goals.
- Provided technical guidance and troubleshooting support on power generation systems and engines, while coaching technicians to improve productivity and first-time fix accuracy.
- Managed service logistics, including parts procurement and resource allocation, to maximize efficiency, safety, and compliance.
- Fostered strong customer relationships by communicating repair plans, resolving warranty concerns, and maintaining high satisfaction levels.
Service Coordinator
Ecco Equipment Company
01.2025 - 10.2025
- Coordinated fleet service and repair operations by scheduling maintenance, monitoring vendor performance, and ensuring timely completion of work orders, supporting compliance with DOT and state regulations.
- Managed vehicle records and compliance documentation, including inspections, registrations, and licensing, while maintaining accurate logs to support audits and operational readiness.
- Processed parts order requests, researched suppliers for competitive pricing, and ensured all products met company standards.
- Reviewed unit costs and submitted asset disposal requests, supporting budget control and lifecycle management of fleet vehicles and equipment.
Service Manager
Sonsray Machinery
02.2021 - 01.2025
- Developed and followed an annual service budget that resulted in a 10% increase in service department profitability, aligning with overall dealership financial and operational goals.
- Monitored key metrics monthly, achieving departmental goals with a 25% increase in service revenue and a 10% improvement in customer satisfaction.
- Developed and maintained strong relationships with current customers, leading to a 20% increase in customer retention and repeat business.
- Regularly engaged with existing customers and prospective clients, ensuring a 100% on-time service delivery and expanding the customer base.
Parts Counter Representative
Sonsray Machinery
08.2020 - 02.2021
- Answered and managed an average of 50 incoming telephone calls per day, ensuring prompt and efficient customer service.
- Conducted physical inventory checks regularly, achieving an accuracy rate of 98% and minimizing stock discrepancies.
- Provided exceptional parts service to mechanics and parts customers, resulting in a customer satisfaction rating of 95% based on feedback surveys.
Security Officer
Securitas
12.2019 - 08.2020
- Diligently observed and reported activities and incidents at assigned client sites, ensuring the security and safety of client property and personnel.
- Maintained accurate and detailed incident reports, documenting activities and incidents, supporting effective communication and decision-making within the security team.
- Demonstrated professionalism, integrity, and excellent interpersonal skills when interacting with clients, employees, and visitors, contributing to a positive and welcoming atmosphere.
Diesel Technician
Penske Truck Leasing
10.2017 - 12.2019
- Conducted preventive maintenance services on truck and trailer equipment with little or no supervision, completing an average of 40 services per week and achieving a 99% on-time completion rate.
- Successfully repaired and troubleshooted major components, including engines, transmissions, and differentials, resulting in a 90% repair accuracy rate and minimizing vehicle downtime.
- Successfully completed assigned projects and tasks within specified timelines, demonstrating adaptability and contributing to overall team productivity.
Diesel Technician
Delta Truck Center
02.2017 - 10.2017
- Conducted preventive maintenance services on truck and trailer equipment with little or no supervision.
- Maintained up-to-date knowledge of industry trends and advancements in truck and trailer equipment, actively seeking continuous learning opportunities and applying new knowledge to enhance job performance.
- Installed and tested new diesel engine components to ensure optimal performance.
Education
Bachelor of Science - Cyber Security & Business Administration
Purdue Global University
West Lafayette12-2025
Certificate - Diesel Technology
Universal Technical Institute
SacramentoHigh School Diploma -
Lathrop High School
LathropSkills
- Leadership and Team Management
- Customer Service Excellence
- Problem Solving and Critical Thinking
- Time Management and Multitasking
- Effective Communication
- Technical and Computer Proficiency
- Decision Making and Conflict Resolution
- Adaptability and Continuous Learning
- Management experience
- KPI monitoring
Languages
English
Punjabi
Hindi
Certification
- Excavator Master Technician, CNH Industrial
- Wheel Loader Master Technician, CNH Industrial
- Loader Backhoe Master Technician, CNH Industrial
- Google IT Support, Google
- IBM Cybersecurity Analyst, IBM
- Google Project Management & Data Analytics, Google
- Yellow Belt - Six Sigma Certification
Timeline
Service Supervisor
Cummins Inc.
10.2025 - Current
Service Coordinator
Ecco Equipment Company
01.2025 - 10.2025
Service Manager
Sonsray Machinery
02.2021 - 01.2025
Parts Counter Representative
Sonsray Machinery
08.2020 - 02.2021
Security Officer
Securitas
12.2019 - 08.2020
Diesel Technician
Penske Truck Leasing
10.2017 - 12.2019
Diesel Technician
Delta Truck Center
02.2017 - 10.2017
Bachelor of Science - Cyber Security & Business Administration
Purdue Global University
Certificate - Diesel Technology
Universal Technical Institute
High School Diploma -
Lathrop High School