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. Apply by sending your resume to the email or mailing address below.

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

Customer Support Specialist

We are searching for an experienced Customer Support Specialist who has excellent oral and written communication skills, the ability to problem solve by answering questions, resolving complaints and building rapport with our customers. Apply on Indeed, or send your resume to the email or mailing address below. 

Minimum skill requirements:

  • Prior customer service experience preferred
  • Excellent oral and written communication skills
  • Computer literate, able to use MS Office suite, and database management software
  • Reliable team player
  • Able to research and resolve problems to achieve company goals


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.