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
1 work email found
@hs2.org.uk
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior System Security Integration Manager
Location
Greater Bristol Area, United Kingdom
Company size
Who is Stephen Dowden? Overview
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Quick answer
Stephen Dowden is listed as Senior System Security Integration Manager at HS2 (High Speed Two) Ltd, a with 1528 employees, based in Greater Bristol Area, 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 Director of Security Consultancy at Critical Security Consultants Ltd and Security Development Manager at Horizon Nuclear Power. Stephen Dowden studied at Crispin Comprehensive.
Company email context
Email format at HS2 (High Speed Two) Ltd
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{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 · 29 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 assessments and operational requirements.
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 →
AM
Andrew Majonga
Colleague at Hs2 (High Speed Two) LtdBradford, England, United Kingdom
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JH
Jordan Harvey
Colleague at Hs2 (High Speed Two) LtdWest Bromwich, England, United Kingdom
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JJ
Joanne Jackson
Colleague at Hs2 (High Speed Two) LtdBirmingham, England, United Kingdom
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KL
Karol Lewandowski
Colleague at Hs2 (High Speed Two) LtdLondon Area, United Kingdom
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GC
Gianpiero Colasante Miet Csm
Colleague at Hs2 (High Speed Two) LtdRugby, England, United Kingdom
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BC
Barry Connolly
Colleague at Hs2 (High Speed Two) LtdLondon, England, United Kingdom
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MG
Mark Grant
Colleague at Hs2 (High Speed Two) LtdRoyal Sutton Coldfield, England, United Kingdom
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NM
Nick Makrygiannis
Colleague at Hs2 (High Speed Two) LtdBirmingham, England, United Kingdom
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NM
Nisha Mejer
Colleague at Hs2 (High Speed Two) LtdNorthampton, England, United Kingdom
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JH
Jonathan Hirst (Bsc, Chpp, Mapm, Nec3 Acc Pm)
Colleague at Hs2 (High Speed Two) LtdUnited Kingdom
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Andrew Majonga
Colleague at Hs2 (High Speed Two) LtdBradford, England, United Kingdom
View →
JH
Jordan Harvey
Colleague at Hs2 (High Speed Two) LtdWest Bromwich, England, United Kingdom
View →
JJ
Joanne Jackson
Colleague at Hs2 (High Speed Two) LtdBirmingham, England, United Kingdom
View →
KL
Karol Lewandowski
Colleague at Hs2 (High Speed Two) LtdLondon Area, United Kingdom
View →
GC
Gianpiero Colasante Miet Csm
Colleague at Hs2 (High Speed Two) LtdRugby, England, United Kingdom
View →
BC
Barry Connolly
Colleague at Hs2 (High Speed Two) LtdLondon, England, United Kingdom
View →
MG
Mark Grant
Colleague at Hs2 (High Speed Two) LtdRoyal Sutton Coldfield, England, United Kingdom
View →
NM
Nick Makrygiannis
Colleague at Hs2 (High Speed Two) LtdBirmingham, England, United Kingdom
View →
NM
Nisha Mejer
Colleague at Hs2 (High Speed Two) LtdNorthampton, England, United Kingdom
View →
JH
Jonathan Hirst (Bsc, Chpp, Mapm, Nec3 Acc Pm)
Colleague at Hs2 (High Speed Two) LtdUnited 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.
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 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 Andrew Majonga, Jordan Harvey, Joanne Jackson, Karol Lewandowski, and Gianpiero Colasante Miet Csm.
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.
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