Stronger together

Highly innovative
Highly experienced
Highly connected

KSEL is an engineering consultancy that provides system engineering, system safety and safety assurance solutions. Our staff have experience of performing a range of roles and responsibilities across numerous industrial sectors including transport, energy and defence.

Solutions based

Every day KSEL is engaged in solving complex issues that confront our clients.

By listening and providing experienced staff and tailored delivery techniques, we match individual needs with innovative and integrated solutions.

Client focused

We pride ourselves on developing close working relationships with clients and meeting their expectations.

We have provided our core services on some very high profile projects, by adopting a professional approach, applying positive teamwork and providing specialist knowledge.

Our reputation is built on trust and a proven ability to deliver.

Main services

Our aim is to be a positive and highly influential force in the development and operation of infrastructure projects, improving the lives of people and communities around the world.

Our people

We'd love to meet you.

Jon Harding

MSc, BSc, FSaRS, CEng, CPhys

Founding Director

A self-confessed railway geek (with a railway carriage for an office) Jonathan brings more than 30 years’ experience in the rail industry.

Jon Reed

BEng, CEng

Senior Systems Safety Engineer

Jon is a Chartered Systems Safety Engineer who has over 20 years’ experience in safety and reliability engineering across different highly regulated industries.

Mukesh Sharma


Founding Director

Ready to reduce his golf handicap to become a single figure, Mukesh has more than 28 years of practice in safety and reliability engineering in railways and nuclear.

Steve Clark

BSc (Eng) Hons, CEng, FSaRS, FIMechE

Principal Systems Safety Engineer

Steve is a Chartered Engineer with 30 years’ experience specialising in safety and reliability across industries including railways, aviation, oil and gas, defence, and nuclear.

Alan Lee

BEng, CEng, MIET


Despite supporting Aston Villa and English Football Rugby, Alan has more than 30 years’ experience gained across multiple market sectors.

Matt Elsmore

MEng, AMIMechE

Junior Systems Engineer

Matt is a Junior Systems Engineer and a new addition to the KSEL team, bringing experience in data processing, modelling and analysis from his research background.

Our clients


KSEL's carriage, latest posts

  • in Restoration

    An engineer’s guide to quarantining – part 1

    Due to the COVID-19 outbreak, the KSEL team have been quarantined and are working from their home offices, resulting in no travel time and more time available to work on the carriage. So, instead of chilling on the sun loungers in the garden, armed with endless food and drink (like most people), the Pulborough team...
  • in Restoration

    An engineer’s guide to quarantining – part 2

    Following the Pulborough team’s recent success in 3D printing a new set of copper-style window catches based on reverse engineered CAD models of the original components, we decided to take things one step further… The 1875 London to Brighton South Coast Railway carriages were fitted with two styles of bespoke copper handles, one with a...
  • in Restoration

    It’s been a long time coming

    We’re back with another carriage update! Sorry it has been a long time but we have been very busy at KSEL this year with work on HS2, Digital Railway, The Greater West Project, Siemens and work related to bidding and business development. This blog brings an insight into the internal layout of the carriage, showcasing...
  • in Restoration

    Full steam ahead!

    This month’s blog begins to see an end to the renovation of the carriage. With work having been done in almost every aspect throughout the carriage, our time in restoration is finally paying off. This blog starts with the renovation of the guards half of the carriage. Since sanding down the carriage in our last...
  • in Restoration

    A helping hand

    This month consisted of lots of trial and error for the carriage. With the woodwork finished and the exterior painted, we thought best that we started to consider the calligraphy on the outside as well as potentially seeing a change of colour on the inside too! Last month we started by stencilling calligraphy to the...


KSEL is always looking for good candidates to join us as Permanent Members of Staff or on a Sub-Contract Basis.

Contact us

We’re interested in hearing about any opportunities where we can support in system engineering related scope of work.