Senior System Security Integration Manager
Current
Jan 2021 - Present
AeroLeads people directory · profile
Stephen Dowden Email & Phone Number
Senior System Security Integration Manager at HS2 (High Speed Two) Ltd
at
HS2 (High Speed Two) Ltd
1 work email found
@hs2.org.uk
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior System Security Integration Manager at HS2 (High Speed Two) Ltd
Location
Greater Bristol Area, United Kingdom, United Kingdom
Company size
Who is Stephen Dowden? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Stephen Dowden is listed as Senior System Security Integration Manager at HS2 (High Speed Two) Ltd at HS2 (High Speed Two) Ltd, a company with 1528 employees, based in Greater Bristol Area, United Kingdom, United Kingdom. AeroLeads shows a work email signal at hs2.org.uk and a matched LinkedIn profile for Stephen Dowden.
Stephen Dowden previously worked as Senior System Security Integration Manager at Hs2 (High Speed Two) Ltd and Director of Security Consultancy at Critical Security Consultants Ltd. Stephen Dowden studied at Crispin Comprehensive.
Company email context
Email format at HS2 (High Speed Two) Ltd
This section adds company-level context without repeating Stephen Dowden's masked contact details.
{first}.{last}@hs2.org.uk
89% confidence
AeroLeads found 1 current-domain work email signal for Stephen Dowden. Compare company email patterns before reaching out.
Profile bio
About Stephen Dowden
Providing advice and guidance in all areas of security. Focusing on ensuring that the physical design, process or procedure protect the asset whilst allowing the operation to continue. Many years knowledge and experience advising most areas of Critical National Infrastructure enabling successful security outcomes based on thorough 'Threat Vulnerability Risk Assessments' and 'Operational Requirements'.
Listed skills include Access Control, Cctv, Security, Security Operations, and 11 others.
Current workplace
Stephen Dowden's current company
Company context helps verify the profile and gives searchers a useful next step.
Hs2 (High Speed Two) Ltd
10 roles · 28 years
Stephen Dowden work experience
A career timeline built from the work history available for this profile.
Director Of Security Consultancy
Critical Security Consultants Ltd
Providing advice and guidance in all areas of security. Focusing on ensuring that the physical design, process or procedure protect the asset whilst allowing the operation to continue. Many years knowledge and experience advising most areas of Critical National Infrastructure enable us to deliver successful outcomes based on thorough security risk.
May 2019 - Jan 2021
Security Development Manager
2014 - Jun 2019
Security Projects Lead
Horizon Nuclear Power
Apr 2014 - Jun 2015
Security Project Lead
Edf Nuclear New Build
Mar 2011 - Apr 2014
Project Manager
Jul 2010 - Mar 2011
Project/Health And Safety Manager
Apr 2008 - Jun 2010
Project Manager
Senior Project manager at the Cabot Circus shopping centre, new build in Bristol. Responsible for Fire, CCTV, Disabled Refuge, VEPA
Dec 2006 - Mar 2008
Field Operation Manager
Field operations manager for the South West of England. With responsibility for project managers and engineers installing and maintaining Com Care systems, Time and attendance systems, community CCTV, CCTV and Access control systems.
Jan 2006 - Feb 2007
Operations Manager
Ocs Security
1998 - 2006
~8 yrs
Team & coworkers
Colleagues at HS2 (High Speed Two) Ltd
Other employees you can reach at hs2.org.uk. View company contacts for 1528 employees →
YO
Yetunde Olowo
Colleague at Hs2 (High Speed Two) Ltd
United Kingdom, United Kingdom
View →
AN
Affie Noorian
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
JC
Johanna Carlow
Colleague at Hs2 (High Speed Two) Ltd
Leicester, England, United Kingdom, United Kingdom
View →
JH
James Hanley
Colleague at Hs2 (High Speed Two) Ltd
Birmingham, England, United Kingdom, United Kingdom
View →
MK
Maja Kaiser
Colleague at Hs2 (High Speed Two) Ltd
Cannock, England, United Kingdom, United Kingdom
View →
JQ
Jessica Quinn
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
YD
Yenniffer Da Silva Ceng Mice
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
TB
Tracey Bailey
Colleague at Hs2 (High Speed Two) Ltd
United Kingdom, United Kingdom
View →
NS
Nigel Sheridan
Colleague at Hs2 (High Speed Two) Ltd
London Area, United Kingdom, United Kingdom
View →
BC
Barry Connolly
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
Yetunde Olowo
Colleague at Hs2 (High Speed Two) Ltd
United Kingdom, United Kingdom
View →
AN
Affie Noorian
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
JC
Johanna Carlow
Colleague at Hs2 (High Speed Two) Ltd
Leicester, England, United Kingdom, United Kingdom
View →
JH
James Hanley
Colleague at Hs2 (High Speed Two) Ltd
Birmingham, England, United Kingdom, United Kingdom
View →
MK
Maja Kaiser
Colleague at Hs2 (High Speed Two) Ltd
Cannock, England, United Kingdom, United Kingdom
View →
JQ
Jessica Quinn
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
YD
Yenniffer Da Silva Ceng Mice
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
TB
Tracey Bailey
Colleague at Hs2 (High Speed Two) Ltd
United Kingdom, United Kingdom
View →
NS
Nigel Sheridan
Colleague at Hs2 (High Speed Two) Ltd
London Area, United Kingdom, United Kingdom
View →
BC
Barry Connolly
Colleague at Hs2 (High Speed Two) Ltd
London, England, United Kingdom, United Kingdom
View →
1 education record
Stephen Dowden education
-
Crispin Comprehensive
FAQ
Frequently asked questions about Stephen Dowden
Quick answers generated from the profile data available on this page.
What company does Stephen Dowden work for?
Stephen Dowden works for HS2 (High Speed Two) Ltd.
What is Stephen Dowden's role at HS2 (High Speed Two) Ltd?
Stephen Dowden is listed as Senior System Security Integration Manager at HS2 (High Speed Two) Ltd at HS2 (High Speed Two) Ltd.
What is Stephen Dowden's email address?
AeroLeads has found 1 work email signal at @hs2.org.uk for Stephen Dowden at HS2 (High Speed Two) Ltd.
Where is Stephen Dowden based?
Stephen Dowden is based in Greater Bristol Area, United Kingdom, United Kingdom while working with HS2 (High Speed Two) Ltd.
What companies has Stephen Dowden worked for?
Stephen Dowden has worked for Hs2 (High Speed Two) Ltd, Critical Security Consultants Ltd, Horizon Nuclear Power, Edf Nuclear New Build, and Trinity Protection Systems Ltd.
Who are Stephen Dowden's colleagues at HS2 (High Speed Two) Ltd?
Stephen Dowden's colleagues at HS2 (High Speed Two) Ltd include Yetunde Olowo, Affie Noorian, Johanna Carlow, James Hanley, and Maja Kaiser.
How can I contact Stephen Dowden?
You can use AeroLeads to view verified contact signals for Stephen Dowden at HS2 (High Speed Two) Ltd, including work email, phone, and LinkedIn data when available.
What schools did Stephen Dowden attend?
Stephen Dowden studied at Crispin Comprehensive.
What skills is Stephen Dowden known for?
Stephen Dowden is listed with skills including Access Control, Cctv, Security, Security Operations, Security Management, Risk Assessment, Security Audits, and Physical Security.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Stephen Dowden you were looking for.
View similar profiles
