Cristoval Sierra
Scottsbluff
Summary
Recent graduate with foundational knowledge in Diesel Technology and hands-on experience gained through academic projects and internships. Demonstrating teamwork, problem-solving, and time-management skills. Prepared to start a career and make meaningful contributions with commitment and drive.
Overview
3
3
years of professional experience
Work History
Diesel Maintence Technician
MarkChrisman Trucking Inc
140142 Sunset Dr, Gering, NE 69341
07.2025 - Current
- Conduct routine maintenance on trucks and heavy equipment to ensure optimal performance.
- Assist in loading and unloading cargo following safety rules.
- Support elder mechanics in complex repair tasks and vehicle diagnostics.
- Finding the root cause for recurring technical issues, minimizing future disruptions.
Teamlead
Whichwich
2319 W Overland
12.2022 - 07.2025
- Monitored inventory levels and coordinated restocking efforts to prevent shortages and maintain supply continuity.
- Resolved issues quickly, maintaining smooth workflow and minimizing delay in service delivery.
- Trained new team members by showing information on company procedures and safety requirements.
- Increased customer satisfaction by ensuring timely completion of projects up to high quality standards.
Education
High School Diploma - Diesel Technology
Scottsbluff Senior High School
313 E 27th St, Scottsbluff, NE 6936105.2025
Skills
Attention to detail
Maintenance and repairs
Heavy lifting
Complex Repairs
Loading and unloading
Equipment operation
Preventive Maintenance
Routine Inspections
Languages
Spanish
Native or Bilingual
Timeline
Diesel Maintence Technician
MarkChrisman Trucking Inc
07.2025 - Current
Teamlead
Whichwich
12.2022 - 07.2025
High School Diploma - Diesel Technology
Scottsbluff Senior High School