Roberto Cruz
Houston
Summary
Dynamic Machine Maintenance Technician with proven expertise at TMC in optimizing equipment performance and implementing preventative maintenance plans. Skilled in precision measuring and troubleshooting, I excel in collaborative environments, ensuring minimal downtime and enhancing operational efficiency. Committed to safety and quality, I effectively communicate technical issues and solutions to team members and supervisors.
Skilled maintenance worker with background in machinery, offering solid experience in preventative maintenance, repair procedures, and equipment efficiency optimization. Possess strong problem-solving abilities and proficiency in adhering to safety standards and operational protocols. Demonstrated impact on minimizing equipment downtime and enhancing productivity through timely and effective maintenance strategies.
Overview
14
14
years of professional experience
2
2
years of post-secondary education
1
1
Certification
Work History
Machine Maintenance Technician
TMC
Houston
09.2025 - 02.2026
- Operated and maintained machinery to ensure optimal performance.
- Conducted routine inspections to identify potential mechanical issues.
- Assisted in troubleshooting equipment malfunctions to minimize downtime.
- Utilized hand tools and power tools for maintenance tasks effectively.
- Collaborated with team members to complete maintenance projects efficiently.
- Followed safety protocols during all maintenance and repair activities.
- Documented maintenance tasks and reported findings to supervisors promptly.
- Worked with engineering staff to develop preventative maintenance plans for all machinery in the facility.
- Installed new components such as motors, belts, pulleys, bearings, gears, shafts and spindles.
- Used precision measuring tools such as micrometers and calipers to ensure accuracy of machine operations.
- Ensured that all machines were properly lubricated before use.
- Monitored inventory levels of spare parts used in routine repairs.
- Repaired broken down machinery by replacing faulty wiring or other damaged components.
- Assembled machinery according to blueprints provided by the manufacturer.
- Diagnosed mechanical problems using visual inspections, electrical testing equipment, and computer programs.
- Responded quickly to emergency situations involving malfunctioning machinery.
Mechanical Technician
Diesel Transmission
Houston
07.2023 - 05.2024
- Performed routine maintenance on diesel engines and transmission systems.
- Inspected mechanical components for wear and proper function.
- Assisted in diagnosing and troubleshooting mechanical issues.
- Utilized hand tools and diagnostic equipment effectively.
- Maintained a clean and organized workspace at all times.
- Installed, fit, cleaned and repaired valves, caps, hoses, pumps and gaskets.
- Diagnosed mechanical problems and determined solutions to correct concerns.
- Utilized hand tools such as wrenches, pliers, screwdrivers.
- Inspected and tested machinery, equipment and component parts to identify defects, diagnose malfunctions and facilitate repairs.
- Operated pressure pumps, air electrical equipment and mechanical equipment.
- Assembled or disassembled complex mechanical systems.
- Estimated labor and material for parts and costs for assembly, testing, or installation.
Quality Assurance Analyst
Amcor
Carolina
05.2013 - 04.2022
- Conducted thorough software testing to ensure product quality and compliance.
- Developed detailed test plans and cases for various applications and systems.
- Collaborated with cross-functional teams to identify and resolve quality issues.
- Documented defects clearly for development team review and tracking.
- Utilized automated testing tools to enhance efficiency in the testing process.
- Communicated regularly with management to discuss quality trends.
- Assisted other members of the QA team in identifying areas for improvement in processes and procedures.
- Conducted internal audits to measure adherence to established QA standards.
- Used quality monitoring system to compile and track individual and team performance.
- Monitored production environment performance metrics for anomalies that could indicate quality issues.
- Reported issues in a timely manner with accurate descriptions and steps to reproduce them.
- Participated in daily scrum meetings providing status updates on projects assigned.
- Created, edited, and updated project manuals and technical documentation used by entire QA team.
- Established quality metrics and benchmarks to measure and report on product quality and testing progress.
Machinist
CAxis
Caguas
07.2012 - 12.2012
- Operated CNC machines to produce precision components for various projects.
- Interpreted blueprints and technical drawings to ensure accurate machining processes.
- Conducted routine maintenance on machinery to ensure optimal performance and safety.
- Monitored quality control standards during production runs for consistency and reliability.
- Adjusted machine settings based on specifications to achieve desired tolerances.
- Performed routine maintenance on machinery, including lubrication, cleaning.
- Read blueprints, sketches, drawings, manuals, specifications or sample part to determine dimensions and tolerance of finished work piece.
- Changed worn cutting tools as needed during operation.
- Adjusted machine feed and speed, changed cutting tools, or adjusted machine controls when automatic programming was faulty or if machines malfunctioned.
- Calculated dimensions and tolerances using knowledge of mathematics and instruments such as micrometers or vernier calipers.
- Set up and operated various machine tools to produce precision parts and instruments.
- Measured and marked dimensions and reference points to meet precise specifications.
- Drilled holes in parts using drill presses.
- Fabricated tools, jigs and fixtures to meet manufacturing and engineering needs.
- Operated hand tools, drill presses, riveting machines and tap burners to safely produce projects.
- Trained new employees in the use of machinery used in the manufacturing process.
- Observed machine operations to detect malfunctions or out-of-tolerance machining and adjust machines accordingly.
- Operated manual lathes to turn down shafts and cut threads into them.
- Sustained lockout and tag-out safety protocols by properly using equipment and materials.
- Assembled machined parts into mechanical units using hand tools and power tools.
- Dismantled and inspected components to complete necessary adjustments and repairs.
- Gauged and maintained tolerances on grinding diameters, depths, squareness and parallelism.
- Inspected material after completion for accurate measurements of dimensions.
- Aligned and secured holding fixtures, cutting tools and attachments onto machines.
Education
Associate Degree Engineering Assistant - Tool And Die Maker
Mech Tech College
Caguas, PR 08.2014 - 04.2015
Associate Degree Automotive Mechanic - Automotive Mechanic
Mech Tech College
Caguas, PR 08.2004 - 04.2006
Skills
- Equipment maintenance
- Troubleshooting techniques
- Precision measuring
- Hydraulic systems
- Problem solving
- Effective communication
- Team collaboration
- Attention to detail
- Machine repair
- Motor alignment
- Valve repair
- Pneumatic systems
- Seal installation
- Diagnostic testing
- Soldering techniques
- Coupling alignment
- Equipment calibration
- Conveyor systems
- Bearing replacement
- Electrical systems
- Gearbox maintenance
- Mechanical troubleshooting
- Lubrication management
- Machine assembly
- Precision measurement
- Diagnostic tools
- Equipment inspection
- Maintenance and repairs
- Calibration procedures
- Machine installation
- Welding techniques
- Hand and power tools
- Mechanical systems
- Circuit analysis
- Inspect damages
- Troubleshooting expertise
- Routine adjustment
- Basic mathematics
- Mechanical aptitude
- Excellent communication
- Repair techniques
- Self motivation
- Chemical handling
- Maintenance and repair
Languages
Spanish
First Language
English
Advanced (C1)
C1
Certification
- High school diploma
- Mechanics diploma
- Tool and die maker diploma
Accomplishments
- White belt
- Yellow belt
- 5s
- Kaizen
Timeline
Machine Maintenance Technician
TMC
09.2025 - 02.2026
Mechanical Technician
Diesel Transmission
07.2023 - 05.2024
Associate Degree Engineering Assistant - Tool And Die Maker
Mech Tech College
08.2014 - 04.2015
Quality Assurance Analyst
Amcor
05.2013 - 04.2022
Machinist
CAxis
07.2012 - 12.2012
Associate Degree Automotive Mechanic - Automotive Mechanic
Mech Tech College
08.2004 - 04.2006