Arnoldo Santellano
Lubbock,TX
Summary
Versatile professional with a background in substitute teaching, construction, mechanical work, and military service. Brings strong leadership, discipline, and adaptability to a variety of work environments. Skilled in problem-solving, teamwork, and managing responsibilities under pressure while maintaining safety and efficiency. Experienced in working with diverse groups, supporting daily operations, and following structured procedures with attention to detail. Committed to reliability, professionalism, and getting the job done right.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Substitute Teacher, K-12
Wilson High School/Abernathy High School
Wilson, TX/Abernathy, TX
02.2026 - Current
- Follow the lesson plans left by the Teacher
- Manage classroom behavior and keep students focused
- Help students understand assignments when needed
- Communicate with school staff about how the day went
- Supervised In-School Suspension (ISS), ensuring students stayed on task and followed school rules (Wilson ISD)
- Supported inclusion classrooms, by writing down daily assignments, helping clarify instructions, and assisting approximately 8 students with different learning needs (Wilson ISD)
- Helped students stay organized, complete classwork, and remain focused throughout the day
- Assisted with RE/Athletics, monitoring activities, supporting drills, and maintaining a safe environment (Wilson ISD)
Construction Laborer
Leo's Construction
Lubbock, TX
07.2024 - Current
- Managed day-to-day operations efficiently, ensuring smooth workflow and timely completion of tasks.
- Improved customer satisfaction ratings by consistently delivering high-quality products and services.
- Established foundational processes for business operations.
- Developed a strong company culture, fostering teamwork and collaboration among staff members.
- Prepared job sites by clearing debris and setting up equipment for use.
- Operated hand and power tools safely to complete assigned tasks on-site.
Automotive Service Technician Shop Foreman
You Drive Auto
Wolfforth, TX
03.2023 - 07.2024
- Maintained accurate records of time and materials required to perform repairs and service.
- Established clear repair plans with line-item details of expected labor and parts costs.
- Completed customer orders and warranty services according to manufacturer specifications.
- Trained and coached junior employees on procedures for completing various types of repairs and maintenance on cars and light trucks.
- Changed, rotated, and balanced tires on different types of vehicles.
- Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
- Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
- Inform the customers with services we are doing and the time frame when it will be completed.
- Directed daily operations of team of 10 technicians and shop professionals.
Automotive Service Technician
Carizma Motors
Lubbock, TX
03.2020 - 10.2021
- Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Serviced vehicles according to OEM recommended maintenance schedules for oil changes, engine tune-ups and fluid changes.
- Trained and coached junior employees on procedures for completing various types of repairs and maintenance on cars and light trucks.
- Completed customer orders and warranty services according to manufacturer specifications.
Mechanic 91A
US Army
Fort Bliss, TX
06.2016 - 02.2020
- Replaced damaged, missing, or defective parts with new and refurbished components.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Performed preventative maintenance oil changes and brake jobs to preserve performance and reliability of vehicles.
- Inspected damaged vehicles to estimate repair labor cost and required parts expense.
- Explained maintenance and repair needs to higher ups and offered advice on preventative maintenance.
- Lead my team of soldiers to meet deadlines and complete all services for track vehicles.
- Managed all paperwork and orders all parts for the soldiers to get the job done.
- Held meeting with higher ups to go over vehicles that needed repair and to go over budgets.
Education
Bachelor of Arts - History For Secondary Education
Grand Canyon University
Phoenix, AZ04-2026
Some College (No Degree) -
United States Army Ordnance Corps
Fort Benning, GA12-2016
Associate of Applied Science - Business Administration and Management
Vista College
Lubbock, TX12-2015
Skills
- Relationship building
- Critical thinking
- Positive role model and mentor
- Collaborative learning
- Learning strategies
- Youth mentorship
- Team building
- Record keeping
- Family involvement
- Reporting and documentation
- Effective communication
- Group leadership
- Patience and Flexibility
Websites
Certification
- Honoree of Distinguished Honor Graduate and Class Leader for Class 16-505A
- Awarded The Army Achievement Medal
Languages
Spanish
Native or Bilingual
Interests
Enjoy hobbies that combine physical activity with outdoor exploration, I enjoy helping others and giving back to the community, Youth Development Programs, Volunteering, Youth mentor, providing guidance and support to empower the next generation of leaders, Auto Repair/Restoration, Team Sports, Playing Sports, I enjoy cooking for friends and family gatherings
Timeline
Substitute Teacher, K-12
Wilson High School/Abernathy High School
02.2026 - Current
Construction Laborer
Leo's Construction
07.2024 - Current
Automotive Service Technician Shop Foreman
You Drive Auto
03.2023 - 07.2024
Automotive Service Technician
Carizma Motors
03.2020 - 10.2021
Mechanic 91A
US Army
06.2016 - 02.2020
Associate of Applied Science - Business Administration and Management
Vista College
Bachelor of Arts - History For Secondary Education
Grand Canyon University
Some College (No Degree) -
United States Army Ordnance Corps