At Essco Calibration Laboratory, we’re always looking for qualified technicians in the areas of electronic, dimensional, mechanical, thermodynamic, fiber optic and medical to join our team.

Here, you’ll have the opportunity to work in a true team environment and contribute to the growth of New England’s largest and most diverse calibration and repair laboratory. Our outstanding benefits and compensation package includes:

  • Medical, dental, vision, life and disability insurance

  • Health Reimbursement Account HRA

  • Flexible Spending Plan (FSA)

  • Matching 401(k) and Roth 401(k) programs

  • Supplemental insurances, including AFLAC

  • Generous paid time off including vacation, sick, holidays and birthday

  • Tuition reimbursement

  • Fitness and weight loss benefit

  • Employee referral program

If you have any questions about careers at Essco, please email

Job Openings

2nd Shift Measuring & Test Equipment Calibration Technician

Essco Calibration Laboratory, one of the largest accredited calibration laboratories in the US, has openings on our 2nd shift for Electronic and Mechanical Calibration Technicians. 

Full-time and Part-time positions are available second shift hours between 2:30 p.m. – 11:00 p.m.

ISO 17025 and ISO Z540 compliant and NIST traceable calibrations of electronic and/or mechanical instruments, including but not limited to; oscilloscopes, multi-meters, signal generators, spectrum analyzers, power supplies, hypots, megohmmeters, LCR bridges, voltage sources, calibrators, resistors, shunts, capacitors, durometers, dead weight testers, flow meters, micrometers, gage blocs, viscometers, torque wrenches, crimpers, etc…

Minimum skill requirements

  • Three years experiences as an on-bench technician
  • PMEL training or equivalent formal technical training
  • Able to apply metrology experience to a wide range electronic instrumentation
  • Familiar with the requirements of ISO 17025, ISO 9001 and ANSI/NCSL Z-540
  • Computer literate and ability to use lab management software.​

ESSCO offers an outstanding benefits & compensation package including medical, dental, vision, life, 401(k) with match, long and short term disability, paid time off and tuition reimbursement along with the opportunity to truly be part of a team environment. 

Send resumes to:

                                  ESSCO Calibration Laboratory

                                  Attn: Human Resources

                                  27 Industrial Avenue

                                  Chelmsford, MA 01824

Essco is a veteran owned company and proudly hires veterans.  Currently, 35% of our employees have served our country, with a combined total of 141 years of military service and 418 combined years of service at Essco.