Summary
Overview
Work History
Education
Skills
Timeline
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Jocelyn Agosto

SAN ANTONIO,TX

Summary

Accomplished Senior Maintenance Mechanic at TJ Maxx Distribution Center, skilled in bearing replacement and mechanical repairs. Successfully led preventive maintenance initiatives, significantly reducing equipment downtime. A proactive mentor, I fostered teamwork while ensuring compliance with safety protocols, enhancing operational efficiency and contributing to a culture of continuous improvement.

Overview

16
16
years of professional experience

Work History

Senior Maintenance Mechanic

TJ Maxx Distribution Center
San Antonio, TX
10.2025 - Current
  • Led preventive maintenance initiatives, minimizing equipment downtime and enhancing operational efficiency.
  • Developed and implemented maintenance procedures, ensuring compliance with safety regulations and best practices.
  • Mentored junior mechanics, fostering skill development and promoting teamwork within the maintenance department.
  • Analyzed equipment failures, identifying root causes to implement effective repair strategies and prevent recurrence.

Electrical Maintenance Technician

Aisin Manufacturing
Cibolo, TX
06.2022 - 08.2025

In my previous role at a Japanese company, I handled a comprehensive range of electrical and control system tasks. I interpreted and developed various electrical drawings, including hard, control, operation, and I/O diagrams, and worked extensively with HMI programming using the GOT Designer program. This involved creating and editing screens, adding bits and buttons, and managing work orders for preventative maintenance, such as integrating circuit relays for DC motors.

I was also proficient in PLC programming using Mitsubishi GX Works2 and GX Works3, where I wrote and edited logic to optimize machine performance. Additionally, I worked with older Mitsubishi FX programming for certain machines, making necessary edits and logic adjustments.

In addition to technical tasks, I was responsible for daily maintenance data entry into the MAX system, documenting repair details, including machine downtime, root causes, and solutions. I also created PowerPoint presentations summarizing ASRs (minor repairs) and NBRs (major repairs), analyzing repair times, and contributing to detailed data collection.

I followed strict lockout-tagout safety protocols, ensuring a safe working environment. My role also involved meticulous data management, tracking all repair activities and contributing to overall operational efficiency.

Overall, my experience reflects a well-rounded skill set in electrical systems, PLC programming, HMI development, and data management, all while prioritizing safety and efficiency.

Maintenance Technician

Austep LLC Property
New Braunfels, TX
10.2021 - 05.2022

As a Maintenance Technician, I started each day with a team meeting at 8 AM, followed by grounds maintenance, which included picking up trash, inspecting the property, and reporting any issues to the property manager.

In addition to groundskeeping, I handled various make-ready tasks, such as painting, taping, floating surfaces, and cleaning the pool. I also performed electrical work, including changing switches, receptacles, ballasts, light bulbs, and installing ceiling fans, thermostats, and appliances like washers, dryers, dishwashers, and refrigerators.

Additionally, I contributed to HVAC installations, such as installing and sealing furr-down AC units, working with ducting tape, adding Freon, and brazing lines as needed. I also changed keys for residents’ units to ensure security and smooth transitions.

Moreover, I took part in landscaping tasks, including digging trenches, moving rocks, and relocating grass, ensuring the property’s exterior was well-maintained and aesthetically pleasing.

Overall, my role encompassed property upkeep, hands-on repairs, complex installations, and landscaping, all while maintaining high standards of quality and safety.

Maintenance Technician

Apartments Solutions
San Antonio, TX
04.2021 - 09.2021

While working with Apartment Solution, a staffing agency, I was deployed to various properties as a temporary maintenance technician. My responsibilities were diverse and property-specific. At some properties, I performed make-ready tasks such as cleaning, painting, and prepping units, including checking appliances, plumbing, and electrical fixtures. At other properties, I handled specific work orders, addressing tasks like light bulb replacements, plumbing repairs, and HVAC troubleshooting.

This role required adaptability and a broad skill set, allowing me to seamlessly integrate into different property environments and efficiently address a wide range of maintenance needs.

During this time, I was also seeking a permanent job replacement, aiming for a stable opportunity to grow and further develop my skills.

Maintenance Technician

Sygma Network
01.2020 - 03.2021

Detail-oriented Maintenance Technician with comprehensive experience in commercial and industrial settings. Adept at maintaining and troubleshooting Rite-Hite dock levelers and Fast Track freezer doors, ensuring peak performance and temperature control. Skilled in electrical, plumbing, and carpentry repairs, with a strong focus on daily inspections and preventive maintenance. Proficient in forklift and pallet jack upkeep, including battery maintenance and component troubleshooting. Experienced with Sprocket for data entry and work order management, ensuring accurate documentation. Also skilled in troubleshooting and repairing trash and plastic compactors, and overseeing external equipment maintenance. Committed to high standards of safety, efficiency, and quality in all aspects of work.

Process Technician

Schlumberger
San Antonio, TX
03.2017 - 02.2019

As a Process Technician, I was responsible for maintaining and optimizing hydraulic presses and molds for injection molding machines, specifically from Cincinnati and Auburn. My duties included ensuring precise temperature control of the mold tooling, managing hot and cold water systems for mold cooling, and overseeing the resin melting process within the injection molding machines. I also handled work orders for mold changes and ensured product quality and accuracy throughout the production line.

Additionally, I was certified in crane and forklift operation, which allowed me to troubleshoot equipment effectively and maintain smooth production flow. I also ensured proper maintenance of machine oil levels and supported the overall efficiency and quality of the production process.

Maintenance Technician

Hill Country Bakery
San Antonio, TX
10.2015 - 02.2017

I specialized in maintaining and troubleshooting Eagle Delta Flow wrappers, ensuring the efficient operation of packing machines. I provided hands-on guidance to operators on film application, temperature control, and machine adjustments. My role also included the teardown and reassembly of production lines, adapting them for different products like cinnamon rolls and pound cakes.

In addition to packing machines, I was responsible for troubleshooting and replacing motors, working with VFD drives, and handling issues with spiral freezers, including maintaining and restarting refrigeration systems. I also supported the ultrasonic bread cutter for pound cakes and learned about the Matissta cutting machine, which used vibrations to separate the product.

Additionally, I performed preventative maintenance on the band ovens, including three ovens on site. This involved changing out the chain, igniting the ovens, and ensuring proper startup and temperature settings during production startup.

Throughout my tenure, I continuously worked to enhance my skills and contribute to overall production efficiency and quality.

Maintenance Technician

Lone Star Bakery
San Antonio, TX
06.2010 - 09.2015

As a Maintenance Technician at Lone Star Bakery, I began as a machine operator, mastering the Shanklin, Matrix, and Triangle packaging machines. I oversaw the biscuit line, the puck line, and was responsible for troubleshooting and maintaining sensors, photoeyes, proximity switches, motors, and gearboxes.

I managed the flour silo system, directing delivery trucks to the correct silo and ensuring proper storage and flow of flour.

Every Sunday, I connected a hose to the milk tank, making sure it was properly attached to the production tank and mixing the milk with the pump to prepare it for Monday morning startup.

Additionally, I worked on mechanical pump systems, performing teardowns, replacing seals, and reassembling them for the icing used in the Whataburger cinnamon rolls.

I was also responsible for replacing biscuit cutters during product changes. This involved switching cutters when changing between products like Whataburger, Bob Evans, and Popeye’s biscuits, ensuring proper preparation, checking air lines, verifying that cutters were not bent, and making sure that air lines were clear of water or dough before installing them into the line. Throughout my tenure, I continuously worked to enhance my skills and contribute to overall production efficiency and quality.

Education

High School Diploma -

Karen Wagner High School
San Antonio, TX
06-2007

Skills

  • Bearing replacement
  • Mechanical repairs
  • Lockout and tagout procedures
  • Gearbox maintenance

Timeline

Senior Maintenance Mechanic

TJ Maxx Distribution Center
10.2025 - Current

Electrical Maintenance Technician

Aisin Manufacturing
06.2022 - 08.2025

Maintenance Technician

Austep LLC Property
10.2021 - 05.2022

Maintenance Technician

Apartments Solutions
04.2021 - 09.2021

Maintenance Technician

Sygma Network
01.2020 - 03.2021

Process Technician

Schlumberger
03.2017 - 02.2019

Maintenance Technician

Hill Country Bakery
10.2015 - 02.2017

Maintenance Technician

Lone Star Bakery
06.2010 - 09.2015

High School Diploma -

Karen Wagner High School