J Matthew Keller
Post Harvest Technician
Saint Louis,MO
Summary
I am hard working and customer driven. My goal is to seek and maintain a full-time position that offers professional challenges utilizing interpersonal skills, excellent time management and problem-solving skills. I am an organized and dependable candidate successful at managing multiple priorities with a positive attitude and a willingness to take on added responsibilities to meet team goals.
Overview
31
31
years of professional experience
Work History
Post Harvest Technician
Beleaf Medical
Saint Louis, MO
08.2025 - Current
- Operated machines to grind cannabis flower, manufacture prerolls, and label packaged product.
- Weighed, labeled, and packaged flower and prerolls according to company and state guidelines.
- Performed troubleshooting and diagnosis on malfunctioning equipment.
- Trained new technicians on standard operating procedures, ensuring consistency across the team.
Gig Worker
Self Employed
Saint Louis, MO
03.2024 - 08.2025
- Followed instructions and procedures to complete assigned tasks.
- Worked fast to complete tasks and meet daily deadlines.
- Maintained work areas by cleaning and straightening for maximum productivity and safety.
- Cleaned and straightened work areas to maximize productivity and safety.
Facilities Engineer II
Ameristar Casino Resort Spa St. Charles
Saint Charles, MO
08.2023 - 03.2024
- Maintained up-to-date knowledge regarding industry best practices, driving continuous improvement within the organization''s facilities management processes.
- Maintained a clean and organized work environment, adhering to company policies and industry standards.
- Provided exceptional customer service, resolving guest concerns quickly and efficiently to maintain satisfaction levels.
- Performed scheduled maintenance on electrical, plumbing, and HVAC systems.
- Completed troubleshooting and diagnostic procedures to diagnose problems with equipment and systems.
Barista Shift Lead
Starbucks Coffee Company
St. Charles, MO
12.2021 - 03.2023
- Served customers quickly and efficiently and created strategies to prevent delays.
- Trained, scheduled, and supervised barista workers to maintain and uphold store policies and optimize staffing patterns.
- Handled and resolved customer issues and complaints with professionalism and tact to drive customer satisfaction and repeat business.
- Created superlative coffeehouse experience through customer service, beverage preparation, and presentation, in-store marketing and thorough cleanliness and sanitation of space.
- Generated friendly atmosphere by encouraging employees to greet and speak to customers.
- Advised customers on whole bean and bulk tea purchases by detailing origin, flavor, and pairing recommendations.
Service Technician
Alarmtechs
Houston, TX
03.2018 - 10.2021
- Serviced Access Control Systems in luxury mid and high rise apartment buildings.
- Inspected equipment to diagnose operational issues.
- Diagnosed and troubleshot problems, repairing, and restoring machines to peak performance.
- Explained diagnostic findings to customers and outlined repair or service options.
- Adhered to safety protocols and policies to reduce workplace hazards.
- Maintained accurate records of service calls and customer interactions for training and accountability purposes.
- Responded to problems reported by customers by troubleshooting and resolving hardware and software issues.
Low Voltage Subcontractor
Various Companies
Houston, TX
10.2005 - 12.2017
- Installed and serviced various security, fire alarm and closed circuit TV systems for both residential and business clientele.
- Identified problematic components and wiring issues and applied troubleshooting techniques.
- Reviewed blueprints and project specifications ahead of time to fully understand all key details of job.
- Demonstrated system use, maintenance and care to customers.
- Successfully managed multiple projects and several work teams on consistent basis.
Access Control & CCTV Installer
Orion Access Control Systems
Arlington, TX
09.2003 - 10.2005
- Installed and serviced various access control and closed circuit TV systems for both residential and business clientele.
- Communicated effectively with customers, answering questions and concerns regarding systems.
- Read and understood product manuals and blueprints.
- Educated customers on preventive care and regular maintenance to prevent system malfunctions.
Low Voltage Technician
Circle Security
Fort Worth, TX
09.1995 - 07.2003
- Installed and serviced various security, fire alarm and closed circuit TV systems for both residential and business clientele.
- Reviewed blueprints and project specifications ahead of time to fully understand all key details of job.
- Identified problematic components and wiring issues and applied troubleshooting techniques.
- Completed and submitted job tracking to supervisors to cover expenses and labor hours.
- Analyzed circuits and collected OHM readings to assess safety or functionality.
Education
GED -
GED
Fort Worth, TX 09.1995 - 09.1995
Skills
Employee training
Touch-screen point of sale
Inventory management
Supplier management
Equipment Maintenance
Staff Management
Complaint resolution
Report preparation
Key holder experience
Money handling abilities
Creative problem solving
Stocking and replenishing
Customer assistance
Written and verbal communication
Timeline
Post Harvest Technician
Beleaf Medical
08.2025 - Current
Gig Worker
Self Employed
03.2024 - 08.2025
Facilities Engineer II
Ameristar Casino Resort Spa St. Charles
08.2023 - 03.2024
Barista Shift Lead
Starbucks Coffee Company
12.2021 - 03.2023
Service Technician
Alarmtechs
03.2018 - 10.2021
Low Voltage Subcontractor
Various Companies
10.2005 - 12.2017
Access Control & CCTV Installer
Orion Access Control Systems
09.2003 - 10.2005
Low Voltage Technician
Circle Security
09.1995 - 07.2003
GED -
GED
09.1995 - 09.1995