President
Current
Mar 1995 - Present
AeroLeads people directory · profile
John Hadik Email & Phone Number
President Onyx Computer Services, IT Management Company
at
Onyx Computer Services
1 work email found
@onyxcomputer.com
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
President Onyx Computer Services, IT Management Company
Location
West Chester, Pennsylvania, United States
Company size
Who is John Hadik? Overview
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Quick answer
John Hadik is listed as President Onyx Computer Services, IT Management Company at Onyx Computer Services, a with 3 employees, based in West Chester, Pennsylvania, United States. AeroLeads shows a work email signal at onyxcomputer.com and a matched LinkedIn profile for John Hadik.
John Hadik previously worked as President at Onyx Computer Services and General Manager at General Diagnostics.
Company email context
Email format at Onyx Computer Services
This section adds company-level context without repeating John Hadik's masked contact details.
{first_initial}{last}@onyxcomputer.com
89% confidence
AeroLeads found 1 current-domain work email signal for John Hadik. Compare company email patterns before reaching out.
Profile bio
About John Hadik
At Onyx Computer Services we pride ourselves on delivering IT services and computer support that our customers need. Our talented specialists are expertly trained to identify your needs and help implement your solutions.Founded in 1995 Onyx Computer is headquartered in West Chester PA and has been servicing businesses from New York to Florida.Whether you are a small or medium size business, Onyx Computer Services understands your IT needs. That is why our affordable services and solutions will help your company improve productivity and speed technology.Onyx Computer Services is not just an outsourcing IT vendor. We strive to partner with your existing team to bring the right solution to your business.Onyx Computer Services provides:• Outsourced IT Management• Network Maintenance• Software Support and Installation• Hardware Repairs Setup and InstallationSpecialties: Information Technology, Computer Networking, Website Design/Development
Listed skills include Networking, It Service Management, Information Technology, Outsourcing, and 16 others.
Current workplace
John Hadik's current company
Company context helps verify the profile and gives searchers a useful next step.
Onyx Computer Services
4 roles · 46 years
John Hadik work experience
A career timeline built from the work history available for this profile.
General Manager
General Diagnostics
1992 - 1995
~3 yrs
Manager, Quality Control
Icss
1988 - 1992
~4 yrs
Ibm Systems Manager
Sorbus
1981 - 1988
~7 yrs
FAQ
Frequently asked questions about John Hadik
Quick answers generated from the profile data available on this page.
What company does John Hadik work for?
John Hadik works for Onyx Computer Services.
What is John Hadik's role at Onyx Computer Services?
John Hadik is listed as President Onyx Computer Services, IT Management Company at Onyx Computer Services.
What is John Hadik's email address?
AeroLeads has found 1 work email signal at @onyxcomputer.com for John Hadik at Onyx Computer Services.
Where is John Hadik based?
John Hadik is based in West Chester, Pennsylvania, United States while working with Onyx Computer Services.
What companies has John Hadik worked for?
John Hadik has worked for Onyx Computer Services, General Diagnostics, Icss, and Sorbus.
How can I contact John Hadik?
You can use AeroLeads to view verified contact signals for John Hadik at Onyx Computer Services, including work email, phone, and LinkedIn data when available.
What skills is John Hadik known for?
John Hadik is listed with skills including Networking, It Service Management, Information Technology, Outsourcing, Saas, Management, Managed Services, and Solution Selling.
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