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Chris Illsley Email & Phone Number

Network and Security Professional at Guy's and St Thomas'​ NHS Foundation Trust
Location: London, England, United Kingdom 10 work roles 3 schools
1 work email found @fujitsu.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email c****@fujitsu.com
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Role
Network and Security Professional
Location
London, England, United Kingdom
Company size

Who is Chris Illsley? Overview

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Quick answer

Chris Illsley is listed as Network and Security Professional at Guy's and St Thomas'​ NHS Foundation Trust, a with 6553 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at fujitsu.com and a matched LinkedIn profile for Chris Illsley.

Chris Illsley previously worked as Technical Architect at Guy'S And St Thomas'​ Nhs Foundation Trust and Network and Security Consultant at Guy'S And St Thomas'​ Nhs Foundation Trust. Chris Illsley holds Maths And Engineering from Brunel University Of London.

Company email context

Email format at Guy's and St Thomas'​ NHS Foundation Trust

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{first}.{last}@fujitsu.com
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AeroLeads found 1 current-domain work email signal for Chris Illsley. Compare company email patterns before reaching out.

Profile bio

About Chris Illsley

I am an experienced network and security engineer working specifically in IT security for the past four and a half years. I have a strong record of designing and implementing complex and large scale projects, including high level and low level design and service transition documentation. I possess very good organisational skills and an excellent knowledge of security technologies.I have good interpersonal skills and a track history of developing and maintaining relationships with both colleagues and internal and external clients. I communicate effectively with people at all levels both technical and non-technical.

Listed skills include Firewalls, Security, Networking, Cisco Technologies, and 46 others.

Current workplace

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Guy's and St Thomas'​ NHS Foundation Trust
Guy'S And St Thomas'​ Nhs Foundation Trust
Network and Security Professional
london, greater london, united kingdom
Employees
6553
AeroLeads page
10 roles

Chris Illsley work experience

A career timeline built from the work history available for this profile.

Senior Network Engineer

Fujitsu Uk And Ireland
Jul 2015 - Jun 2016

Senior It Security Engineer

Guy'S And St. Thomas' Nhs Foundation Trust

As the Trust's Senior Security Engineer I take the technical lead on anything related to IT security. I manage and maintain the Trust's security infrastructure, including firewalls, web and mail proxy servers and the wireless network. I design and implement small and large scale projects within the Network and Security Team. I produce and update documentation including reporting, procedures and design documents.Key Contributions:Designed and implemented replacement web proxy servers moving from WebMarshal to Cisco IronPort.Designed and implemented the Trust's WAN upgrade and remediation.Moved the Trust's internet connection including a change to public IP addresses to a new resilient connection.Implemented the Trust's side of the KHP network.Designed and implemented shared broadcasting of King's College London and the Trust's wireless SSIDs.

Aug 2011 - Jul 2015

Data Communications Officer

I managed the day to day security duties including incident response, firewall requests and McAfee Antivirus. I also managed and owned the entire KCL wireless infrastructure including all maintenance, upgrades and provisioning of new services.Key Contributions:Designed and implemented upgrade to Cisco ACS 5.1 to provide single RADIUS authentication servers with inter-site resilience.Designed and implemented AccessKings and eduroam wireless SSIDs.Designed the KHP wireless network sharing.Installed a Snort Intrusion Detection System to better detect security incidents such as viruses and copyright infringements.Worked with the ISS Call Centre to set up a dedicated security group within the Call Centre.

Aug 2008 - Aug 2011

Data Communications Officer

I managed and maintained KCL's network infrastructure - troubleshooting complex network related issues. I managed and maintained KCL's wireless infrastructure.Key Contributions:Designed and implemented the upgrade from autonomous wireless access points to centrally managed Wireless LAN Controllers.

Jul 2007 - Aug 2008

Network Technician

King's College LondonI supported KCL's network infrastructure - troubleshooting complex network related issues. I worked effectively in a small team providing frontline support for the Network and Security team.Key Contributions:Upgrade of the access switches at the Strand to allow for more VLANs.

Sep 2005 - Jul 2007

Paws Isc And Server Support Technician

I supported the desktop computers for both student and ISS staff - including frontline support for high profile events such as enrolment, clearing and examinations.Key Contributions:Redesigned the build process for PAWS machines, reducing the amount of images needed from around eighty to five.Implemented Ghost imaging software to reduce the need for building ISS PCs from scratch and providing a consistent desktop.

Sep 2002 - Sep 2005

Financial It Support Engineer

Jefferies International

I provided trading floor support for a small investment bank and remote support for our international offices. This involved desktop, server and telephony support and maintaining relationships with third party suppliers.Key Contributions:Implementation of new helpdesk system using Lotus Notes Domino.

Jul 2001 - Sep 2002

Administrator/It Support

Department Of Environment, Transport And The Regions

I provided administrative and IT support to a large government file store.Key Contributions:Designed and implemented a new file system reducing the space needed on the shelves and stream lining the retention period.

Jan 1998 - Jul 2001
Team & coworkers

Colleagues at Guy's and St Thomas'​ NHS Foundation Trust

Other employees you can reach at guysandstthomas.nhs.uk. View company contacts for 6553 employees →

3 education records

Chris Illsley education

Education record

Weymouth College

Mathematics, Further Mathematics, Physics

Education record

Sherrardswood School
FAQ

Frequently asked questions about Chris Illsley

Quick answers generated from the profile data available on this page.

What company does Chris Illsley work for?

Chris Illsley works for Guy's and St Thomas'​ NHS Foundation Trust.

What is Chris Illsley's role at Guy's and St Thomas'​ NHS Foundation Trust?

Chris Illsley is listed as Network and Security Professional at Guy's and St Thomas'​ NHS Foundation Trust.

What is Chris Illsley's email address?

AeroLeads has found 1 work email signal at @fujitsu.com for Chris Illsley at Guy's and St Thomas'​ NHS Foundation Trust.

Where is Chris Illsley based?

Chris Illsley is based in London, England, United Kingdom while working with Guy's and St Thomas'​ NHS Foundation Trust.

What companies has Chris Illsley worked for?

Chris Illsley has worked for Guy'S And St Thomas'​ Nhs Foundation Trust, Fujitsu Uk And Ireland, Guy'S And St. Thomas' Nhs Foundation Trust, King'S College London, and Jefferies International.

Who are Chris Illsley's colleagues at Guy's and St Thomas'​ NHS Foundation Trust?

Chris Illsley's colleagues at Guy's and St Thomas'​ NHS Foundation Trust include Slawomir Jaszczuk, Carolyn Cooper Acc, Love Adebayo, Fabian Wong, and Moji Olayinka.

How can I contact Chris Illsley?

You can use AeroLeads to view verified contact signals for Chris Illsley at Guy's and St Thomas'​ NHS Foundation Trust, including work email, phone, and LinkedIn data when available.

What schools did Chris Illsley attend?

Chris Illsley holds Maths And Engineering from Brunel University Of London.

What skills is Chris Illsley known for?

Chris Illsley is listed with skills including Firewalls, Security, Networking, Cisco Technologies, Servers, Itil, Wan, and Troubleshooting.

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