Senior Security Analyst
Current
Apr 2024 - Present
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Mark Dempsey Email & Phone Number
Senior Security Analyst
at
JT Group Limited
LinkedIn matched
✓ Verified August 2026
2 data sources
Profile completeness 86%
Current company
Role
Senior Security Analyst
Location
St. Helier, Jersey
Company size
Who is Mark Dempsey? Overview
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Quick answer
Mark Dempsey is listed as Senior Security Analyst at JT Group Limited, a with 511 employees, based in St. Helier, Jersey. AeroLeads shows a matched LinkedIn profile for Mark Dempsey.
Mark Dempsey previously worked as Network Engineer at State Street Services and IST Service Desk Analyst at State Street Services.
Company email context
Email format at JT Group Limited
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JT Group Limited
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Profile bio
About Mark Dempsey
Mark Dempsey is a Senior Security Analyst at JT Group Limited. He possess expertise in cisco technologies, active directory, windows server, network security, data center.
Listed skills include Cisco Technologies, Active Directory, Windows Server, Network Security, and 1 others.
Current workplace
Mark Dempsey's current company
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Jt Group Limited
3 roles
Mark Dempsey work experience
A career timeline built from the work history available for this profile.
Network Engineer
State Street Services
Aug 2012 - Mar 2024
Ist Service Desk Analyst
State Street Services
Sep 2010 - Jul 2012
Team & coworkers
Colleagues at JT Group Limited
Other employees you can reach at jtglobal.com. View company contacts for 511 employees →
HO
Hayley O'Donoghue
Colleague at Jt Group LimitedJersey
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SP
Sean Power
Colleague at Jt Group LimitedSt. Helier, Jersey
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KH
Kevin Hunt
Colleague at Jt Group LimitedUnited Kingdom
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DC
Darren Conway
Colleague at Jt Group LimitedSt. Helier, Jersey
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SF
Steph Fosse
Colleague at Jt Group LimitedJersey
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BM
Beth Mironski
Colleague at Jt Group LimitedUnited States
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RF
Rachael Fackrell
Colleague at Jt Group LimitedJersey
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CB
Craig Brown
Colleague at Jt Group LimitedJersey
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CS
Conor Smith
Colleague at Jt Group LimitedSaint Peter Port, Guernsey
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SR
Sónia Rodrigues
Colleague at Jt Group LimitedAlbufeira, Faro, Portugal
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Hayley O'Donoghue
Colleague at Jt Group LimitedJersey
View →
SP
Sean Power
Colleague at Jt Group LimitedSt. Helier, Jersey
View →
KH
Kevin Hunt
Colleague at Jt Group LimitedUnited Kingdom
View →
DC
Darren Conway
Colleague at Jt Group LimitedSt. Helier, Jersey
View →
SF
Steph Fosse
Colleague at Jt Group LimitedJersey
View →
BM
Beth Mironski
Colleague at Jt Group LimitedUnited States
View →
RF
Rachael Fackrell
Colleague at Jt Group LimitedJersey
View →
CB
Craig Brown
Colleague at Jt Group LimitedJersey
View →
CS
Conor Smith
Colleague at Jt Group LimitedSaint Peter Port, Guernsey
View →
SR
Sónia Rodrigues
Colleague at Jt Group LimitedAlbufeira, Faro, Portugal
View →
FAQ
Frequently asked questions about Mark Dempsey
Quick answers generated from the profile data available on this page.
What company does Mark Dempsey work for?
Mark Dempsey works for JT Group Limited.
What is Mark Dempsey's role at JT Group Limited?
Mark Dempsey is listed as Senior Security Analyst at JT Group Limited.
Where is Mark Dempsey based?
Mark Dempsey is based in St. Helier, Jersey while working with JT Group Limited.
What companies has Mark Dempsey worked for?
Mark Dempsey has worked for Jt Group Limited and State Street Services.
Who are Mark Dempsey's colleagues at JT Group Limited?
Mark Dempsey's colleagues at JT Group Limited include Hayley O'Donoghue, Sean Power, Kevin Hunt, Darren Conway, and Steph Fosse.
How can I contact Mark Dempsey?
You can use AeroLeads to view verified contact signals for Mark Dempsey at JT Group Limited, including work email, phone, and LinkedIn data when available.
What skills is Mark Dempsey known for?
Mark Dempsey is listed with skills including Cisco Technologies, Active Directory, Windows Server, Network Security, and Data Center.
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