Site & Systems Engineer

Role Summary

We are looking for an Engineer to join our Site Team, supporting projects installed on trains across the UK and at our Derby production facility.

This is a hands-on role involving installation, commissioning, and maintenance of advanced technologies such as machine-vision cameras, laser measurement systems, thermal sensors, embedded Linux, IP networking, and GPS/4G/5G.

You’ll split your time between site visits nationwide and our Derby office, ensuring systems are kept running safely and efficiently. Experience with field-based technology such as CCTV, monitoring, or measurement equipment is preferred, while confidence working in secure or restricted environments is essential. Prior rail industry experience would be an advantage.

Responsibilities
  • Liaise with clients to understand and help plan timings for site-based activities.
  • Plan work, risk assessments, and method statements.
  • Contribute to design, building, configuring, and testing systems.
  • Install and commission systems that have been tested in our production facilities.
  • Independently carry out work on-site in a safety-conscious and professional manner.
  • Build relationships with key on-site personnel.
  • Communicate proactively with other team members to troubleshoot problems and create solutions.
  • Create and maintain technical and test documentation.
  • Work with our Business Development team to carry out unit/location surveys for potential new projects and installs.
  • Ensure tools, materials, and work areas are kept organised and safe.
  • Follow health & safety procedures and contribute to a safe working environment.
  • Report faults, hazards, and incidents to the supervisor/manager.
  • Support other site operations as required.
Personal Qualities and Experience
  • Self-motivated, reliable, and hands-on with a positive, proactive approach.
  • Strong communication, organisational, and problem-solving skills.
  • Effective under pressure with the ability to multitask and prioritise work.
  • Flexible and adaptable, with meticulous attention to detail when required.
  • Team player with strong written and verbal communication skills, including documentation/specification writing.
  • Safety-conscious, responsible, and punctual.
  • Physically fit and able to carry out manual tasks.
  • Experience delivering projects in an industrial environment; rail industry experience and certification desirable.
  • A UK driving licence, along with flexibility to travel to sites across the UK, is essential for this role.

Company Benefits

Company Benefits Include:

  • Auto enrolment Pension Scheme
  • 25 Days Holiday plus bank holidays
  • Life Assurance
  • Private Healthcare Cover
  • Work related training courses as required
  • Complimentary snacks and refreshments including fresh fruit
  • Office-Centric role
  • Access to Bike to Work Scheme
  • Secure bike storage and shower facilities
  • Social events

How to Apply

Join an award-winning team, named ‘The Sunday Times Best Medium-sized Technology Company 2025’. At One Big Circle, you’ll be part of a fast-growing team where your ideas and contributions are truly valued.

Please send your CV and covering letter to jobs@onebigcircle.co.uk

By applying for this role, you understand that we will process your personal information in accordance with our privacy policy, accessible at https://onebigcircle.co.uk/privacy-policy/

Successful applicants will be required to pass a BPSS (Baseline Personnel Security Standard) check.