Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Sebastian Rosales

Austin,TX

Summary

Experienced in equipment maintenance and mechanical troubleshooting, demonstrating problem-solving expertise in various operational environments. Proven ability to conduct system analysis and implement preventive maintenance strategies, ensuring compliance with safety regulations. Skilled in data analysis and record keeping, contributing to effective team collaboration and communication. Maintains a calm demeanor under pressure while fostering positive relationships within teams and across departments.

Overview

7
7
years of professional experience

Work History

Sr. Maintenance Technician/ Cmms Planner

Amazon
Pflugerville, TX
05.2023 - Current

RME Planner Duties Senior Mechatronics & Robotics Technician Duties

  • Planned and scheduled preventive, predictive, and corrective maintenance to support equipment uptime and site performance.
  • Reviewed and prioritized APM work orders, audited equipment, and defined clear job scope and quality expectations.
  • Estimated labor, tools, materials, and spare parts to reduce delays and unplanned downtime.
  • Coordinated maintenance activities with technicians and managers during approved downtime windows.
  • Managed outside vendors, including bringing vendors on-site, requesting and reviewing quotes, and scheduling work.
  • Partnered with Operations and Safety teams to plan maintenance tasks and projects safely and efficiently.
  • Ordered and tracked spare parts to support both planned maintenance and emergency repairs.
  • Ensured accurate work order documentation and closure.
  • Recognized for exceptional reliability and attendance, consistently present since site launch.
  • Led service technicians in the installation, troubleshooting, and repair of automated packaging, robotics, and material handling equipment.
  • Served as a technical lead during complex breakdowns, supporting the team with mechanical, electrical, and controls troubleshooting.
  • Designed and implemented solutions for recurring equipment issues to improve reliability and reduce downtime.
  • Supported maintenance projects from planning through execution, minimizing impact to operations.
  • Worked closely with Operations to coordinate repairs and equipment installs.
  • Ensured all work followed safety procedures and site standards.
  • Trained and mentored new service technicians and contract technicians.
  • Acted as a go-to resource for technical guidance and on-the-floor decision-making.

Maintenance Tech II

Amazon
Pflugerville, TX
05.2022 - 05.2023
  • Applied in-depth knowledge of electrical principles to support system design and implementation.
  • Oversaw daily operations, ensuring optimal employee performance, preventive maintenance, and adherence to safety protocols.
  • Analyzed and repaired mechanical and electrical malfunctions, enhancing system reliability and performance.
  • Achieved OSHA 10 certification to enhance workplace safety standards.

Learning Ambassador

Amazon
San Antonio, TX
07.2021 - 05.2022
  • Facilitated mentorship and leadership for new team members in mastering company procedures.
  • Facilitated information dissemination and provided answers regarding performance management processes to associates in need.
  • Facilitated identification of barriers and coached coworkers to enhance skill development.
  • Enhanced communication skills through active engagement in diverse team collaborations.

Electrician

ROSS Electric
San Antonio, TX
11.2019 - 12.2020
  • Performed installation and maintenance of electrical systems in buildings to enhance safety and functionality.
  • Facilitated project execution through effective maneuvering in confined areas, including ladders and attics.
  • Analyzed blueprints, schematics, and diagrams to ensure accurate project execution.
  • Diagnosed and resolved electrical faults and fixture issues to ensure operational efficiency.
  • Pursued opportunities to enhance knowledge in system design, troubleshooting techniques, and coding requirements.
  • Utilized specialized equipment to obtain precise measurements of voltage and resistance in ohms, supporting quality control initiatives.

Concrete Rigger

NAPCO Precast
San Antonio, TX
12.2018 - 06.2019
  • Gain physical strength and endurance skills.
  • Strong communication skills are needed to make the work environment as safe as possible while working around cranes, trucks, and heavy loads.
  • Control the movements of heavy loads through confined spaces and narrow openings.
  • Safely disassemble rigging equipment when no longer needed for a production or performance.
  • Inspect rigging equipment for any visible damage or defects prior to use.
  • Securely attach loads to rigging equipment using clamps, shackles, and other fasteners.

Education

Certification - Electrical Trades

St. Philips College
San Antonio, TX
01.2019

High School Diploma -

Thomas Jefferson high school
San Antonio, TX
01.2019

Bachelor of Science - Business Administration- Enrolled

Western Governors University
Salt Lake City, UT

Skills

    Maintenance & Technical
  • Maintenance planning and scheduling (preventive and corrective)
  • Equipment installation, repair, and maintenance
  • Mechanical and electrical troubleshooting
  • Automated packaging, robotics, and material handling systems
  • System analysis and downtime reduction
  • Spare parts planning and inventory control
  • Leadership & Management
  • Problem-solving and decision-making under pressure
  • Team collaboration and technician support
  • Vendor coordination and contractor management
  • Project coordination from planning through execution
  • Training, mentoring, and knowledge sharing
  • Operations, Safety & Data
  • Safety compliance and risk awareness
  • Cross-functional coordination with Operations and Safety
  • Data analysis and KPI tracking
  • Work order documentation and record keeping
  • Clear and effective communication
  • Professional Strengths
  • Strong ownership and accountability
  • Calm under pressure with a positive attitude
  • Relationship building across teams and vendors
  • Technical proficiency with strong willingness to learn

Languages

English
Spanish

Timeline

Sr. Maintenance Technician/ Cmms Planner

Amazon
05.2023 - Current

Maintenance Tech II

Amazon
05.2022 - 05.2023

Learning Ambassador

Amazon
07.2021 - 05.2022

Electrician

ROSS Electric
11.2019 - 12.2020

Concrete Rigger

NAPCO Precast
12.2018 - 06.2019

High School Diploma -

Thomas Jefferson high school

Certification - Electrical Trades

St. Philips College

Bachelor of Science - Business Administration- Enrolled

Western Governors University