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Ciaran Duff Email & Phone Number
Snr Network Security T and Lead
at
Kyndryl
1 work email found
@att.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Snr Network Security T and Lead
Location
Greater Sydney Area, Australia, Australia
Company size
Who is Ciaran Duff? Overview
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Quick answer
Ciaran Duff is listed as Snr Network Security T and Lead at Kyndryl, a company with 59162 employees, based in Greater Sydney Area, Australia, Australia. AeroLeads shows a work email signal at att.com and a matched LinkedIn profile for Ciaran Duff.
Ciaran Duff previously worked as Snr Network Security T/Lead at Kyndryl and Senior Network Security Specialist at At&T. Ciaran Duff holds B.Sc (Compsc), Computer Science from Trinity College Dublin.
Company email context
Email format at Kyndryl
This section adds company-level context without repeating Ciaran Duff's masked contact details.
{first}.{last}@att.com
86% confidence
AeroLeads found 1 current-domain work email signal for Ciaran Duff. Compare company email patterns before reaching out.
Profile bio
About Ciaran Duff
Ciaran Duff is a Snr Network Security T and Lead at Kyndryl. They possess expertise in network security, firewalls, tcp/ip, cisco, itil v3 foundations certified and 29 more skills. Colleagues describe them as "I have worked with Ciaran on many network/security projects over the years and have always been impressed with his can-do attitude and ability to remain calm under pressure. Ciaran always puts the client first in any given situation. He has excellent firewall implementation skills and a deep knowledge of corporate security policy best practice."
Listed skills include Network Security, Firewalls, Tcp/Ip, Cisco, and 30 others.
Current workplace
Ciaran Duff's current company
Company context helps verify the profile and gives searchers a useful next step.
Kyndryl
7 roles · 36 years
Ciaran Duff work experience
A career timeline built from the work history available for this profile.
Snr Network Security T/Lead
Current
Sep 2021 - Present
Senior Network Security Specialist
2008 - Aug 2021
Firewall Specialist
2001 - 2008
~7 yrs
Professional Services
1997 - 2001
~4 yrs
Network Engineer
1993 - 1995
~2 yrs
Network Manager
Mitsubishi Finance International
1990 - 1993
~3 yrs
3 education records
Ciaran Duff education
B.Sc (Compsc), Computer Science
Education record
Education record
St. Joseph'S Cbs Fairview
FAQ
Frequently asked questions about Ciaran Duff
Quick answers generated from the profile data available on this page.
What company does Ciaran Duff work for?
Ciaran Duff works for Kyndryl.
What is Ciaran Duff's role at Kyndryl?
Ciaran Duff is listed as Snr Network Security T and Lead at Kyndryl.
What is Ciaran Duff's email address?
AeroLeads has found 1 work email signal at @att.com for Ciaran Duff at Kyndryl.
Where is Ciaran Duff based?
Ciaran Duff is based in Greater Sydney Area, Australia, Australia while working with Kyndryl.
What companies has Ciaran Duff worked for?
Ciaran Duff has worked for Kyndryl, At&T, Ibm Global Services, Nortel Networks, and Safework Nsw.
How can I contact Ciaran Duff?
You can use AeroLeads to view verified contact signals for Ciaran Duff at Kyndryl, including work email, phone, and LinkedIn data when available.
What schools did Ciaran Duff attend?
Ciaran Duff holds B.Sc (Compsc), Computer Science from Trinity College Dublin.
What skills is Ciaran Duff known for?
Ciaran Duff is listed with skills including Network Security, Firewalls, Tcp/Ip, Cisco, Itil V3 Foundations Certified, Switches, Network Architecture, and It Management.
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