John Helliwell: Email & Phone Number

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System Administrator III at Bullhorn|Australia

Position:

System Administrator III at Bullhorn

Location:

Australia

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Last updated: 2026-06-06

Updated: 2026-06-06

Found email addresses for John Helliwell:

Business emails:

j************l@oracle.com,

j************l@bullhorn.com

Personal emails:

h***@oracle.com,

j***@bt.com,

j***@outlook.com,

h***@hotmail.com

Found phones for John Helliwell:

+61-434-***-*73,

+61-428-***-*37

A different John Helliwell?

Work Experience 26 years

System Administrator III at Bullhorn

Jun 2024 - Current

Senior Cloud Engineer at Oracle

May 2015 - Aug 2023

UNIX Systems Administrator at BT Group

Aug 2013 - Dec 2014

Web Support Analyst at Sky

Jan 2009 - Apr 2012

Operations Analyst at Sun Microsystems

Jul 2006 - Jun 2008

Solaris System Administrator at Orange

Jan 2006 - Jul 2006

Team Lead at Hewlett Packard Enterprise

Jan 2004 - Dec 2005

Lead Systems Engineer at Plusnet

Jan 2000 - Jan 2004

John Helliwell started working in 2000, then the employee has changed 7 companies and 7 jobs. On average, John Helliwell works for one company for 2 years 11 months.

Their professional focus is Ansible, Apache, and Automation across 3 core areas.

Education

Stocksbridge High School

Frequently Asked Questions

What is John Helliwell's email address?

SignalHire found verified email addresses for John Helliwell, both business and personal. Their business email is j************l@oracle.com, and personal emails include h***@oracle.com, j***@bt.com, and j***@outlook.com.

What is John Helliwell's phone number?

SignalHire found multiple verified phone numbers for John Helliwell: +61-434-***-*73, and +61-428-***-*37.

How do I contact John Helliwell at Bullhorn?

You can reach John Helliwell through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Helliwell's professional background?

John Helliwell has 26 years of professional experience. They have held roles including Senior Cloud Engineer, UNIX Systems Administrator, and Web Support Analyst at companies such as Oracle, BT Group, and Sky. Their education includes Stocksbridge High School.

Is John Helliwell's contact information up to date?

Yes. John Helliwell's SignalHire profile was last updated on 6 June 2026, reflecting their current position as System Administrator III at Bullhorn in Boston, MA, United States.

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