Russell Ontiveros
Maintenance
Hesperia,CA
Summary
Maintenance Technician with extensive experience at Cement Industry excelling in mechanical problem-solving and routine maintenance on conveying systems , Bucket elevators , conveyor belts , FK pumps ,Hammer mills , coal mills , Raw and finish mills. Skilled in MIG and Arc welding, complemented by strong collaboration and leadership abilities to drive team success and operational efficiency.
Overview
27
27
years of professional experience
1
1
Certification
Work History
Maintenance Technician
Cemex USA
12.2019 - 01.2025
- Conducted routine inspections of machinery and equipment to ensure optimal functionality.
- Diagnosed mechanical issues and implemented effective repair solutions to minimize downtime.
- Collaborated with team members to execute preventative maintenance plans, enhancing equipment reliability.
- Weld and fabricate
Project Manager /Mechanical Maintenance Supervisor
B&B Industrial Services
06.2017 - 11.2019
- Led cross-functional teams to deliver projects on time and within budget.
- Developed project plans, timelines, and resource allocations for multiple initiatives.
- Implemented process improvements that enhanced operational efficiency across projects.
- Supervise a maintenance crew on projects in a safely manner as well to complete projects on time within budget.
Maintenance Welder Repairman
CalPortland
04.2014 - 06.2017
- Fabricated and repaired metal components using MIG and TIG welding techniques.
- Conducted routine inspections to identify maintenance needs and ensure equipment reliability.
- Collaborated with engineering teams to improve designs and enhance structural integrity.
- Trouble shoot operating equipment ; diagnosis causes of equipment failure and repair and rebuild of all plant equipment
Maintenance Welder Repairman /Team Leader
TXI Cement
08.2011 - 04.2014
- Fabricated and repaired metal components using MIG and TIG welding techniques.
- Conducted routine inspections to identify maintenance needs and repair and rebuild of all plant equipment.
- Collaborated with team members to troubleshoot and resolve mechanical issues efficiently.
- Developed and implemented safety protocols to maintain a hazard-free work environment and assign job duties and overlooked ongoing jobs and report all ongoing jobs to maintenance manager and supervision.
Maintenance Apprentice/ Maintenance Technician
Mitsubishi Cement
04.1998 - 03.2009
- Conducted routine maintenance inspections to identify and resolve operational issues.
- Assisted in repair and upkeep of machinery, ensuring optimal performance.
- Collaborated with senior technicians to enhance maintenance procedures and protocols.
- 4 year Maintenance apprenticeship program. Enroll and complete Gas Welding, MIG Welding, Arc Welding ,Oxygen and Acetylene Cutting , Blueprint reading course as well as Drafting Course , Math Course completing all courses with a GPA of 3.0 or grater. At end of 4year program must complete a Maintenance Technician test with a passing score of 80 percent or greater.
Education
No Degree - Welding, Blueprint Reading,Drafting, Math
Victor Valley College
Victorville, CAHigh School Diploma -
Victor Valley High
Victorville, CA06-1988
Skills
- Routine maintenance
- Building maintenance
- Mechanical problem-solving
- Problem-solving proficiency
Certification
Welding Certification
Timeline
Maintenance Technician
Cemex USA
12.2019 - 01.2025
Project Manager /Mechanical Maintenance Supervisor
B&B Industrial Services
06.2017 - 11.2019
Maintenance Welder Repairman
CalPortland
04.2014 - 06.2017
Maintenance Welder Repairman /Team Leader
TXI Cement
08.2011 - 04.2014
Maintenance Apprentice/ Maintenance Technician
Mitsubishi Cement
04.1998 - 03.2009
No Degree - Welding, Blueprint Reading,Drafting, Math
Victor Valley College
High School Diploma -
Victor Valley High