Essco Calibration Laboratory (a Transcat Company), New England’s largest and most diverse calibration and single source laboratory, provides calibration services and solutions to thousands of prominent high-tech businesses worldwide. Our mission is to ensure customer satisfaction by maintaining an environment dedicated to quality, capability and timeliness. We have an opening for a full-time Mechanical Calibration Technician in our Chelmsford, MA laboratory for the 2nd shift from 2:30 pm to 11:00 pm. The successful candidate will be self-motivated, organized and collaborative. If you have a technical high school education or experience as a machinist or mechanical inspector in the uses of mechanical / dimensional measuring instruments, we will train you to become a professional calibration technician. Essco is a growing company with an opportunity to advance your career working in a strong team environment. This position offers a competitive salary, a comprehensive benefits package and excellent life work balance. Summary: Mechanical Calibration Technician: is responsible for performing accurate equipment calibrations using proper standards and procedures. Ensures all instruments are correctly calibrated, analyzes data, and documents results using internal and customer-specific templates. Supports team efforts and customer service with professionalism and integrity, while continuously investing in personal and professional development.