John Kostenko
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John Kostenko Email & Phone Number

Senior Calibration Technician at Harmonic Drive LLC
Location: Salem, Massachusetts, United States 3 work roles 2 schools
1 work email found @harmonicdrive.net 2 phones found area 978 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@harmonicdrive.net
Direct phone (978) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Calibration Technician
Location
Salem, Massachusetts, United States
Company size

Who is John Kostenko? Overview

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Quick answer

John Kostenko is listed as Senior Calibration Technician at Harmonic Drive LLC, a company with 84 employees, based in Salem, Massachusetts, United States. AeroLeads shows a work email signal at harmonicdrive.net, phone signal with area code 978, and a matched LinkedIn profile for John Kostenko.

John Kostenko previously worked as Quality Assurance at Epe Corporation and Quality Inspector at Sanmina. John Kostenko holds Diploma, 12 from Eastmont High School.

Company email context

Email format at Harmonic Drive LLC

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{first_initial}{last}@harmonicdrive.net
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AeroLeads found 1 current-domain work email signal for John Kostenko. Compare company email patterns before reaching out.

Profile bio

About John Kostenko

Highly skilled and passionate Calibration Technician with over 10 years experience, managing 4,500 gages. My goal is to help my company succeed by shipping the best quality product to our customers. I love working with people of different background, color, and race. My special area of inspection is Visual", where I have earned a nickname of "Eagle Eye".

Listed skills include Quality Assurance, Continuous Improvement, Root Cause Analysis, Iso, and 13 others.

Current workplace

John Kostenko's current company

Company context helps verify the profile and gives searchers a useful next step.

Harmonic Drive LLC
Harmonic Drive Llc
Senior Calibration Technician
peabody, massachusetts, united states
Employees
84
AeroLeads page
3 roles

John Kostenko work experience

A career timeline built from the work history available for this profile.

Senior Calibration Technician

Current

Beverly, Massachusetts, United States

CMM Operator - Crysta (MCOSMOS)Gear Check Operator [P40, Klingelnberg]Round Tester - Mitutoyo [RA-2100]Tesa Hite - Mitutoyo [350 PLUS D]Rockwell Tester - Mitutoyo [HR-521]Root Cause AnalysisContinuous ImprovementKnowledge of ERP Systems [PowerCerv & Dynamics AX]Perform Receiving (Raw Material), and Final InspectionMRB - Control of Non-Conforming.

Sep 2004 - Present

Quality Assurance

Manchester, NH

Performed all types of inspections and was also conducting internal ISO Audits.

Sep 2000 - Apr 2003

Quality Inspector

Manchester, NH

Quality InspectorQA Testing for Lucent TechnologiesBuilt ChassisPerformed Final TestingBurn-in Testing

Jan 1998 - Mar 2000
Team & coworkers

Colleagues at Harmonic Drive LLC

Other employees you can reach at harmonicdrive.net. View company contacts for 84 employees →

2 education records

John Kostenko education

Diploma, 12

Eastmont High School

Associate'S Degree, Quality Assurance Management

Hesser College
FAQ

Frequently asked questions about John Kostenko

Quick answers generated from the profile data available on this page.

What company does John Kostenko work for?

John Kostenko works for Harmonic Drive LLC.

What is John Kostenko's role at Harmonic Drive LLC?

John Kostenko is listed as Senior Calibration Technician at Harmonic Drive LLC.

What is John Kostenko's email address?

AeroLeads has found 1 work email signal at @harmonicdrive.net for John Kostenko at Harmonic Drive LLC.

What is John Kostenko's phone number?

AeroLeads has found 2 phone signal(s) with area code 978 for John Kostenko at Harmonic Drive LLC.

Where is John Kostenko based?

John Kostenko is based in Salem, Massachusetts, United States while working with Harmonic Drive LLC.

What companies has John Kostenko worked for?

John Kostenko has worked for Harmonic Drive Llc, Epe Corporation, and Sanmina.

Who are John Kostenko's colleagues at Harmonic Drive LLC?

John Kostenko's colleagues at Harmonic Drive LLC include Michael Baril, Gary North, Laurie Tsouvalas, Boris Degtev, and Terumi Shinzato.

How can I contact John Kostenko?

You can use AeroLeads to view verified contact signals for John Kostenko at Harmonic Drive LLC, including work email, phone, and LinkedIn data when available.

What schools did John Kostenko attend?

John Kostenko holds Diploma, 12 from Eastmont High School.

What skills is John Kostenko known for?

John Kostenko is listed with skills including Quality Assurance, Continuous Improvement, Root Cause Analysis, Iso, Lean Manufacturing, 5S, Value Stream Mapping, and Kaizen.

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