John Walker, Managing Director at C4i Systems

John Walker

Managing Director at C4i Systems | Hereford, England, United Kingdom

Profile last verified August 2026
Information Technology & Services Verified Profile Hereford, England, United Kingdom The Open University
Verified

Personal Email

***@hotmail.com

Personal • High Confidence

Phone Number

014*****

United Kingdom • Mobile

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John Walker Socials
John Walker Work Experience

Managing Director at C4i Systems in April 2015 - Present

Managing Director at Frith Consulting Limited in August 2019 - Present

Head of Engineering at C2UK Ltd in December 2014 - March 2015

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Systems Engineer at C2UK Ltd in April 2011 - December 2014

Integration Engineer at Tactronics in June 2009 - April 2011

Systems Integration Engineer at Fujitsu in July 2007 - June 2009

Information Systems Engineer at British Armed Forces in August 2003 - July 2007

Radio Systems Operator at British Armed Forces in November 1998 - August 2003

John Walker Education

The Open University, Diploma of Higher Education, January 2014 to January 2018

Royal School of Signals

Royal School of Signals, January 1999 to January 2000

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Braintree College, Advanced GNVQ, January 1996 to January 1998

John Walker Skills
Integration Security Clearance Security Networking Microsoft Exchange Systems Engineering TCP/IP Military Cisco Technologies LAN-WAN
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Troubleshooting Team Leadership Defense Switches Network Design System Deployment Active Directory VMware Routers Network Engineering Leadership Management Customer Support Business Strategy Business Planning Program Management Project Planning Telecommunications Project Management Strategy
About John Walker’s Current Company
C4i Systems

C4i Systems designs, produces and integrates cutting edge Command, Control, Computers, Communications, Intelligence, Surveillance, Target Acquisition and Reconnaissance (C4ISTAR) Technologies. From mission critical systems to complete infrastructure transformation, our bespoke solutions and customised products help our clients in the defence, security and commercial sectors worldwide to harness the benefits these technologies can offer. The nature of our clients’ responsibilities means they need the right solution at the right price at the right time. Our agility, flexibility, integrity, innovation and professionalism are key to ensuring that we always deliver against these demanding requirements. We recognise that our success is built on the qualities of our people. Our engineers have backgrounds in the defence and security sectors which means they have first-hand experience of how operational environments work and believe in setting and achieving the most exacting standards. They also have the extensive experience of working with some of the leading industrial organisations in the world such as Harris, Lockheed Martin, Thales, Fujitsu, General Dynamics and Honeywell, so they understand and enforce technological and operational excellence in everything they do.

Discover more about C4i Systems
John Walker’s Colleagues
Andrew Atkinson

Andrew Atkinson

Stretton Sugwas, England, United Kingdom

Senior Systems Engineer at C4i Systems

Senior Systems Engineer at C4i Systems
(July 2016 – Present)

David Marshall

David Marshall

Great Malvern, England, United Kingdom

Business Development Director at C4i Systems + Co Founder & Director of Tanglewood Group Ltd

CO Founder & Director at Tanglewood Group Ltd.
(December 2020 – Present)

Jonathan Taylor

Jonathan Taylor

Hereford, England, United Kingdom

Design Engineering Manager C4i Systems

Senior Design Engineer at C4i Systems
(September 2018 – Present)

Bronwen Parker

Bronwen Parker

Hereford, England, United Kingdom

Office Manager at C4i Systems

Office Manager at C4i Systems
(April 2014 – Present)

AW

Adam Walker

Hereford, England, United Kingdom

Supply Chain Manager at C4i Systems

Supply Chain Manager at C4i Systems
(October 2011 – Present)

Martyn Cert

Martyn Cert

Wattisfield, England, United Kingdom

Managing Director TYTYN Technology

As Managing Director at TYTYN Technology (formerly C4i Systems Ltd.), I lead a specialist team delivering cutting-edge, military-grade edge compute solutions for the world’s most challenging environments. My journey at TYTYN began as Business Development Director, where I dr...

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Frequently asked questions about John Walker

What is John Walker email address?

Email John Walker at [email protected] and [email protected]. This email is the most updated John Walker's email found in 2026.

What is John Walker phone number?

John Walker phone number is 01432 354855.

How to contact John Walker?

To contact John Walker send an email to [email protected] or [email protected]. If you want to call John Walker try calling on 01432 354855.

What company does John Walker work for?

John Walker works for C4i Systems.

What is John Walker's role at C4i Systems?

John Walker is Managing Director

What industry does John Walker work in?

John Walker works in the Information Technology & Services industry.

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