Guillermo Trejo
Gilroy
Summary
Mechanical engineering professional with proven track record in managing teams and delivering impactful results. Skilled in project management, process optimization, and advanced mechanical design. Known for strong leadership, effective communication, and adaptability to changing project demands. Adept at fostering collaboration and driving initiatives to successful completion.
Overview
27
27
years of professional experience
Work History
Mechanical Engineering Manager, Instruments
Cepheid
11.2022 - Current
- People lead of a diverse mechanical engineering team of ranging experiences and expertise. Delegated work and distributed responsibilities to maximize useful skills and avoid knowledge gaps.
- Responsible for individual/team objectives. Mentored junior engineers, providing guidance on best practices and fostering professional growth opportunities.
- Managed complex system and subsystem design from conception through manufacturing transfer.
- Conducted root cause analyses for complex technical issues, implementing corrective actions to prevent future occurrences.
- Fostered an environment of open communication within the department which led to enhanced collaboration on complex problem-solving tasks and efficient knowledge sharing.
Staff Mechanical Engineer, Instruments
Cepheid
12.2020 - 10.2022
- Lead mechanical engineer of next generation PCR instrument. Responsible for transferring project out of Concept/Industrial Design phase and into New Product Development for detailed engineering development.
- Collaborated with Product Marking and Systems Engineering on customer and system requirements which lead to detailed engineering requirement specifications.
- Worked closely with Human Factors and Customer Care to better understand customer insights and drive product improvement for increased usability and serviceability.
- Led cross-functional tiger team on lowering heat in chassis for better thermal performance.
- Helped lead plastic injection molded part qualification of 25+ tools.
Engineer V, Mechanical Design, Point of Care
Omnicell
08.2019 - 11.2020
- Led new product development of the Simplist MicroVault prefilled syringe dispenser for Fresenius Kabi
- Managing aggressive schedule with key contractual milestones
- Successfully transferred pilot build from China to domestic supplier amidst the COVID-19 pandemic
- Led and successfully delivered ampoule dispensing program for CSD international market
- Traveled to multiple customers in Canada, Middle East, and Europe to gather VOC on ampoule usage
- Customer required two cassette types for the varying ampoule sizes
- Led development of Archimedes screw-type mechanism for dispensing
Engineer IV, Mechanical Design, Point of Care
Omnicell
05.2014 - 08.2019
- Engineering team leader of the Omnicell XT Controlled Substance Dispenser (CSD) program
- Program required various delivery mechanisms for vials, pre-filled syringes, and blister packs
- Mechanisms included vertical conveyor belt-type, serpentine roll drop with cam eject, and rotating drum drop
- Mechanisms also include motor/encoder motion control, IR curtain sensing, and latch detection
- CSD chassis sheet metal design with drawers and customer configurable rails
- Experience in verification and validation of designs
- Frequent travel to China for DFMA, tool design reviews, and pilot/production support
- Mentor junior mechanical engineers in design, risk, scope-creep, and best practices
- Participated in requirements gathering, early concepts, architecture, and technical feasibility of the XT cabinet system
Hardware Engineering Manager
ZoomSystems
09.2011 - 05.2014
- Functional manager of HW development team
- Responsible for hiring ID firms and managing projects from concept-to-market
- Creating individual MBOs and conducting annual performance reviews
- Conducted technical due diligence for the Vigix technology acquisition
- Lead engineer for ZoomShop V1 which used zero-moving parts for dispensing
- Functional ownership of motion control workflows with FW/SW collaboration
- Proof-of-concept implementation of transparent LCD project
Senior Mechanical Systems Engineer
ZoomSystems
04.2007 - 09.2011
- Lead engineer for ZoomShop R1 robotic dispensing machine (3-axis pick and deliver)
- Facilitated product regulatory compliance including UL, CE, PSE, ADA
- Pro/E and Windchill CAD Administrator
- FEA structural and CFD air flow analysis of electronics enclosure
Mechanical Systems Engineer
ZoomSystems
10.2004 - 04.2007
- Mechanical design of sheet metal kiosk enclosures
- Mechanical design of UI with touchscreens, printers, barcode scanners, card readers
- Design of machined, injection-molded, and thermo-formed parts
- Design and drafting with GD&T best practices
- Programmed automation scripts for verification testing and developed device drivers in Java
- Frequent travel to Mexico for manufacturing support and production ramp up
IT Support Analyst
MediaLive International, Inc
12.2003 - 10.2004
- Desktop/network support, incident tracking, reporting, and documentation
IT Support Engineer
Hewlett Packard (contractor)
10.1999 - 12.2003
- Desktop/network support for large user environment
- Developed and maintained technical knowledge base for internal use
- Lead software roll out and migration projects
- Systems Administration: Active Directory, Exchange, VPN, Firewall
Mechanical Engineering Intern
Geo. M. Martin Company
11.1997 - 10.1999
- Mechanical design of large machinery for the paper-corrugated industry
- Converted legacy 2D drawings into 3D Pro/E models
- Prototyped and tested an automated roller-conveyor test rig
- Reverse engineered a PLC board and modified them with new components
- Electrical schematic documentation with AutoCAD
- Pro/E hardware library administrator
Education
Measurement of a Leader – Class -
University of California, Santa Cruz Extension
01.2019
Pro/Sheetmetal, Windchill Administration -
PTC/University
01.2012
Java Programming Certificate -
University of California, Berkeley Extension
01.2007
BS - Information Technology, Emphasis on Programming
University of Phoenix
01.2003
Mechanical Engineering -
University of California, Berkeley
01.1998
Skills
- Machine Design/Automation
- Electro-mechanical Development
- Injection Molding Expertise
- Product Requirements Specification
- Professional Mentorship
- Project Management
- Extensive CAD Experience (SolidWorks, Creo, PDM)
- Simulation Experience (Ansys)
Education Certifications
- University of California, Santa Cruz Extension, 2019, Measurement of a Leader – Class
- PTC/University, 2009, Pro/Sheetmetal, Windchill Administration
- PTC/University, 2012, Pro/Sheetmetal, Windchill Administration
- University of California, Berkeley Extension, 2006 - 2007, Java Programming Certificate
- University of Phoenix, 2000 - 2003, BS, Information Technology, Emphasis on Programming
- University of California, Berkeley, 1995 - 1998, Mechanical Engineering
Patents
- Unit Dose Dispensing Systems (US9818251B2)
- Automated Retail Shelf (USD663359S1, USD650443S1)
Timeline
Mechanical Engineering Manager, Instruments
Cepheid
11.2022 - Current
Staff Mechanical Engineer, Instruments
Cepheid
12.2020 - 10.2022
Engineer V, Mechanical Design, Point of Care
Omnicell
08.2019 - 11.2020
Engineer IV, Mechanical Design, Point of Care
Omnicell
05.2014 - 08.2019
Hardware Engineering Manager
ZoomSystems
09.2011 - 05.2014
Senior Mechanical Systems Engineer
ZoomSystems
04.2007 - 09.2011
Mechanical Systems Engineer
ZoomSystems
10.2004 - 04.2007
IT Support Analyst
MediaLive International, Inc
12.2003 - 10.2004
IT Support Engineer
Hewlett Packard (contractor)
10.1999 - 12.2003
Mechanical Engineering Intern
Geo. M. Martin Company
11.1997 - 10.1999
Pro/Sheetmetal, Windchill Administration -
PTC/University
Java Programming Certificate -
University of California, Berkeley Extension
BS - Information Technology, Emphasis on Programming
University of Phoenix
Mechanical Engineering -
University of California, Berkeley
Measurement of a Leader – Class -
University of California, Santa Cruz Extension
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