Senior Toolroom Machinist, Injection Molding

Alcon USA•Houston, TX

9d•Onsite

About The Position

Alcon's Houston, TX Manufacturing Facility is seeking a Senior Toolroom Machinist to join their Engineering function. This role is crucial for driving better quality, smarter processes, and stronger products, packaging, and materials. The ideal candidate will thrive on precision, ownership, and impact, using advanced technical judgment to ensure injection molds and tooling operate flawlessly. This position involves making key decisions within defined procedures, upholding GxP through SOP-driven documentation, and enhancing performance across four molding production suites.

Requirements

High School Diploma or equivalent
Ability to read, write, understand, and communicate fluently in English
1 year of relevant experience
Mechanical Troubleshooting Skills
Tool/Die/Mold Repair Skills
Experience in a Manufacturing Environment
Injection Molding Experience

Nice To Haves

Manufacturing toolroom experience within the Medical Device industry
Understanding of mold design, function, and applications
Proven skill diagnosing production issues to determine needed mold repairs
Knowledge of fits, tolerances, and allowable mold running parameters
Ability to manufacture/modify and measure precision mold components to ±0.0002” or finer
Basic hot runner repair
Polishing proficiency

Responsibilities

Tackle highly complex tasks in mold tooling design and plastic injection molding to boost operational efficiency.
Apply deep problem-solving to make significant on-the-spot decisions.
Comply with GxP: strictly follow SOPs and maintain accurate, complete records.
Enforce rigorous quality control and meet regulatory requirements.
Complete required training; fuel continuous improvement in day-to-day operations.
Maintain precision molds in production, execute evaluations, repairs, modifications, and PM.
Capture measurement data meticulously; generate clear, actionable reports.
Operate core toolroom equipment—manual mills, lathes, surface grinders, CNC, and EDM.
Disassemble, clean, repair, and replace defective parts within complex molding tools.
Run mold and tooling setups and repairs; verify part quality and critical parameters; evaluate molds and recommend modifications; conduct basic machine and mold maintenance; monitor and verify daily production quantities and efficiencies per SOPs.
Evaluate new processes, components, products, and systems for conformance to engineering specs.
Test, adjust, and maintain electromechanical, mechanical, optical, pneumatic, hydromechanical, and pressure-type measuring/indicating instruments.
Translate detailed specifications, blueprints, drawings, and requirements into methods and procedures.
Assign and monitor work for other technicians.
Isolate problems for further analysis.
Be a cornerstone of our 7-days-a-week Toolroom support model across four molding suites.