Maintenance Technician

Union City, CA

Join the Emerald Family!

Emerald Packaging is a family-owned business that has been servicing the fresh produce industry throughout the U.S. for almost 60 years and has established itself as one of the largest flexible packaging producers in the West Coast with over 250 employees, operating 24/7. Emerald understands that our employees are our biggest assets.


The Maintenance department is responsible for providing multiple support functions for production operations. This includes performing highly diversified duties to install, troubleshoot, repair and maintain machinery & equipment according to manufacturing processes in order to keep up with sales orders.


  • Strong understanding of AC/DC theory
  • Fully versed in the use of a DMM
  • Knows PLC’s, particularly Allen Bradley, IIS and XDC
  • Understand how to read Schematics and modify if necessary
  • Understand temperature controllers and feedback devices (TC, RTD, J type, etc.)


  • Working knowledge of idlers, bearings and gear boxes
  • Working knowledge of diaphragm pumps
  • Ability to do metal fabrication
  • General machine rebuilding
  • Working knowledge of hydraulic and pneumatic systems

Available Shifts:

  • Tuesday-Saturday 2:00 pm - 10:00 pm
  • Tuesday-Saturday 10:00 pm - 6:00 am

Benefits Package Includes:

  • Medical (Kaiser + Sutter option)
  • Dental and Vision are FREE to employees
  • Tuition Reimbursement
  • Discount Marketplace
  • Paid Meal Breaks

Pay: $28.00 - $38.00 depending on experience.