LSR Injection Molding Technician

Job Title

LSR Injection Molding Technician

Company: WHK Biosystems LLC |
Location: St. Petersburg, FL |
Employment Type: Full-Time – 1st Shift |
Pay Range: $28–$35 per hour

WHK Biosystems LLC is an ISO 13485 certified and FDA-registered manufacturer specializing in high-quality medical device components. Our state-of-the-art facility operates in a Class 7 Cleanroom environment, focusing on short production runs, overmolded parts, and innovative R&D for liquid silicone rubber (LSR) injection molding.

We are seeking an experienced LSR Injection Molding Technician to join our team. The ideal candidate will have a minimum of 5 years of hands‑on experience in LSR injection molding, with expertise in operating and maintaining molding equipment in a regulated cleanroom environment. This role involves supporting short production runs, overmolding processes, and R&D initiatives to deliver precision components for medical devices.

• Set up, operate, and maintain LSR injection molding machines for short production runs and overmolded parts.
• Perform mold changes, process adjustments, and troubleshooting to ensure product quality and efficiency.
• Work in a Class 7 Cleanroom environment, adhering to strict ISO 13485 and FDA regulatory standards.
• Collaborate with R&D teams to develop and validate new molding processes and prototypes.
• Monitor and document process parameters, ensuring compliance with quality control standards.
• Conduct routine maintenance and cleaning of equipment to maintain cleanroom integrity.
• Assist in root cause analysis and corrective actions for production issues.
• Follow safety protocols and maintain a clean and organized work area.

Teamwork is essential for TSE’s continued success, so Teamwork is an essential function of every employee’s job. Teamwork drives positive results every day. Teamwork promotes positive customer relations and results in exceeding the expectations of our customers. Teamwork benefits every employee since it grows our business and increases our sales. With Teamwork, we all succeed. Without it, we all suffer. Teamwork with co‑workers in the same department is just the beginning.

Teamwork with every other employee, department and division is the Teamwork that is required to succeed. WE ARE TSE. This role requires:
Teamwork:
Ability to work effectively with engineers, quality inspectors, and other production staff.

SAFETY TRAINING:
To perform this job successfully, an individual must complete and maintain Safety Training according to the Safety Training Matrix. Familiarity with workplace safety protocols. Ability to identify potential hazards and follow proper safety measures.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• High school diploma or general education degree (GED) preferred.
• GMP/ISO awareness as they apply to medical/pharmaceutical manufacturing.
• Must have at least 5+ years of experience molding TPE’s and/or LSR’s.

Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Reports and interprets data in a clear, timely, concise fashion. Inform supervisor of progress/problems. Positive verbal and written communication, interdepartmental and other departments, is essential.

• Ability to calculate figures and amounts such as volume, volume change, density (specific gravity), percentages, area, circumference, and shrinkage. Ability to apply concepts of basic algebra and geometry.
• Understanding machine components and basic mechanical concepts.

• Minimum of 5 years of experience in LSR injection molding, including overmolding and short‑run production.
• Proven ability to work in a Class 7 Cleanroom environment, with knowledge of ISO 13485 and FDA…