System Administrator Iii
Current
Jun 2024 - Present
AeroLeads people directory · profile
John Helliwell Email & Phone Number
Linux Systems Adminstrator
at
Bullhorn
1 work email found
@oracle.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Linux Systems Adminstrator
Location
Piallamore, New South Wales, Australia
Company size
Who is John Helliwell? Overview
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Quick answer
John Helliwell is listed as Linux Systems Adminstrator at Bullhorn, a company with 979 employees, based in Piallamore, New South Wales, Australia. AeroLeads shows a work email signal at oracle.com and a matched LinkedIn profile for John Helliwell.
John Helliwell previously worked as System Administrator III at Bullhorn and Senior Cloud Engineer at Oracle. John Helliwell studied at Stocksbridge High School.
Company email context
Email format at Bullhorn
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{first}.{last}@oracle.com
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AeroLeads found 1 current-domain work email signal for John Helliwell. Compare company email patterns before reaching out.
Profile bio
About John Helliwell
A Cloud Systems Administrator with 35 years of experience, strong background on automation, hands-on troubleshooting and supporting various kinds of databases: Open source solutions, client/server applications and web services. Having worked at a variety of environments, I can adopt to the new technologies as required. In addition to my technical skills, I have good communication and interpersonal skill in working relationships. I am quick learner and flexible in my approach to work. During my tenure I proved that I can take challenges with commitment and responsibility
Listed skills include Unix, Solaris, Linux, Unix Shell Scripting, and 16 others.
Current workplace
John Helliwell's current company
Company context helps verify the profile and gives searchers a useful next step.
Bullhorn
8 roles · 26 years
John Helliwell work experience
A career timeline built from the work history available for this profile.
Senior Cloud Engineer
In this role, I was part of the UK Cloud Engineering team, working in Oracle Cloud Infrastructure (OCI).
May 2015 - Aug 2023
Unix Systems Administrator
Administration of the large NHS Spine Solaris and IBM AIX platforms: Work on the servers was carried out using strict ITIL guidelines within HP Openview Service Desk.Skills required: IBM AIX, Solaris 10; Solaris Volume Manager; Sun ZFS; Sun E10K servers; Veritas Volume Manager; Sun Cluster 3.1; and HP Openview Service Desk
Aug 2013 - Dec 2014
Web Support Analyst
Administration, support and development of the infrastructure for http://www.skysports.com, and other Sky Sports Networked Media websites. This included remote administration of the servers in the data centre from the office, monitoring of services, and implementation of new project work.
Jan 2009 - Apr 2012
Operations Analyst
Administration of the large NHS Spine Solaris platform: Work on the servers was carried out using strict ITIL guidelines within HP Openview Service Desk
Jul 2006 - Jun 2008
Solaris System Administrator
Administration of the large Solaris platform that provided services for Orange Internet: The role required responsibility for the optimum running of the systems while minimising downtime, patch maintenance and software release, as well as day-to-day administration of the systems within ITILguidelines.
Jan 2006 - Jul 2006
Team Lead
Responsibility for the end-to-end support requirements of Hewlett Packard’s on-site presence in British Telecom’s Northern Command Centre, covering UNIX and Wintel platforms in UK-wide data centres and responsibility for ensuring that the department’s key performance metrics were within SLA.
Jan 2004 - Dec 2005
Lead Systems Engineer
Plusnet (http://www.plus.net) are a leading UK-based Internet Service Provider, who provide residential and business Internet access via dial-up, broadband and leased line. The role was as a senior member of the Network Operations Centre, responsible for the creation and maintenance of a carrier class service delivery platform
2000 - 2004
~4 yrs
Team & coworkers
Colleagues at Bullhorn
Other employees you can reach at bullhorn.com. View company contacts for 979 employees →
JS
Jason Sacramento
Colleague at Bullhorn
Franklin, Tennessee, United States, United States
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PR
Patrick Reynolds
Colleague at Bullhorn
Charlotte Metro, United States, United States
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BM
Brandon Mccaherty
Colleague at Bullhorn
High Ridge, Missouri, United States, United States
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RR
Rohith Reddy Alimeti
Colleague at Bullhorn
Greater St. Louis, United States, United States
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WR
William Rollins
Colleague at Bullhorn
Villa Rica, Georgia, United States, United States
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CA
Cole Arnett
Colleague at Bullhorn
Locust Grove, Virginia, United States, United States
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JC
Josh Cotter
Colleague at Bullhorn
Boston, Massachusetts, United States, United States
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JH
Josh Hepworth
Colleague at Bullhorn
Jacksonville, Florida, United States, United States
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NK
Nick Karatzas
Colleague at Bullhorn
Belmont, Massachusetts, United States, United States
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MC
Marc Caquias
Colleague at Bullhorn
St Louis, Missouri, United States, United States
View →
Jason Sacramento
Colleague at Bullhorn
Franklin, Tennessee, United States, United States
View →
PR
Patrick Reynolds
Colleague at Bullhorn
Charlotte Metro, United States, United States
View →
BM
Brandon Mccaherty
Colleague at Bullhorn
High Ridge, Missouri, United States, United States
View →
RR
Rohith Reddy Alimeti
Colleague at Bullhorn
Greater St. Louis, United States, United States
View →
WR
William Rollins
Colleague at Bullhorn
Villa Rica, Georgia, United States, United States
View →
CA
Cole Arnett
Colleague at Bullhorn
Locust Grove, Virginia, United States, United States
View →
JC
Josh Cotter
Colleague at Bullhorn
Boston, Massachusetts, United States, United States
View →
JH
Josh Hepworth
Colleague at Bullhorn
Jacksonville, Florida, United States, United States
View →
NK
Nick Karatzas
Colleague at Bullhorn
Belmont, Massachusetts, United States, United States
View →
MC
Marc Caquias
Colleague at Bullhorn
St Louis, Missouri, United States, United States
View →
1 education record
John Helliwell education
-
Stocksbridge High School
FAQ
Frequently asked questions about John Helliwell
Quick answers generated from the profile data available on this page.
What company does John Helliwell work for?
John Helliwell works for Bullhorn.
What is John Helliwell's role at Bullhorn?
John Helliwell is listed as Linux Systems Adminstrator at Bullhorn.
What is John Helliwell's email address?
AeroLeads has found 1 work email signal at @oracle.com for John Helliwell at Bullhorn.
Where is John Helliwell based?
John Helliwell is based in Piallamore, New South Wales, Australia while working with Bullhorn.
What companies has John Helliwell worked for?
John Helliwell has worked for Bullhorn, Oracle, Bt Group, Sky, and Sun Microsystems.
Who are John Helliwell's colleagues at Bullhorn?
John Helliwell's colleagues at Bullhorn include Jason Sacramento, Patrick Reynolds, Brandon Mccaherty, Rohith Reddy Alimeti, and William Rollins.
How can I contact John Helliwell?
You can use AeroLeads to view verified contact signals for John Helliwell at Bullhorn, including work email, phone, and LinkedIn data when available.
What schools did John Helliwell attend?
John Helliwell studied at Stocksbridge High School.
What skills is John Helliwell known for?
John Helliwell is listed with skills including Unix, Solaris, Linux, Unix Shell Scripting, Squid, Haproxy, Web Services, and Postgresql.
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