Maintenance Mechanic III – Night Shift (3rd Shift)

Company: Siegfried
Location: East Irvine
Posted on: February 7, 2026

Job Description:

Maintenance Mechanic III – Night Shift (3rd Shift) Overnight Hours: 10:00 PM – 6:30 AM Pay: $38–$48/hour 15% Night Shift Differential Make a Difference While You Work Overnight Join a team that keeps life-saving medicines flowing. As a Maintenance Mechanic III – Night Shift , you will be a vital part of our pharmaceutical drug product manufacturing operations, maintaining the precision equipment and critical infrastructure that ensure patient safety worldwide. If you thrive in ISO 8–5 cleanroom environments and enjoy solving mechanical and electrical challenges independently, this is the role for you. Why You’ll Love This Role Impactful Work: Your maintenance expertise directly supports sterile drug product manufacturing and cGMP compliance. Hands-On Experience: Work with advanced aseptic filling equipment , including bottle tip cap (BTC) lines, cartridge filling systems, and syringe lines . Premium Pay & Stability: Competitive base pay plus 15% night differential, with predictable overnight hours. Autonomy & Growth: Take ownership of maintenance operations while growing your skills in a highly regulated, technologically advanced environment. Key Responsibilities Perform preventive and corrective maintenance on pharmaceutical manufacturing and lab equipment Troubleshoot mechanical, electrical, and utility system issues during overnight operations Support equipment reliability and uptime in a cGMP-regulated, ISO-classified cleanroom environment Conduct repairs in aseptic cleanrooms with strict adherence to GMP protocols Maintain and troubleshoot aseptic filling lines , including BTC (bottle tip cap), cartridge, and syringe systems Accurately document maintenance activities in CMMS Provide mechanical and electrical support for production systems and facility infrastructure Required Experience 2–4 years in industrial, manufacturing, or plant maintenance Strong troubleshooting skills in mechanical and electrical systems Experience with AC/DC electrical systems Ability to work independently overnight Comfortable working in a cGMP pharmaceutical or medical device environment Preferred Experience Autoclaves, steam systems, RO/WFI water systems, HVAC Hands-on experience with aseptic filling equipment (BTC, cartridge, syringe lines) Experience in pharmaceutical or medical device manufacturing Compensation & Benefits $38–$48/hour 15% night shift differential Medical, Dental, Vision, and Life Insurance 401(k) retirement plan Voluntary insurance options, including Pet Insurance Generous paid time off Consistent overnight schedule (no rotating shifts) Step into a role where your skills safeguard patients and keep vital medicines moving. Make your night shift count

Keywords: Siegfried, Baldwin Park , Maintenance Mechanic III – Night Shift (3rd Shift), Manufacturing , East Irvine, California