Site & Systems Engineer
One Big Circle – Derby
Full-Time 37.5 hours over 5 Days
Up to £55k dependent on experience

About One Big Circle

Be part of an award-winning workplace: The Sunday Times Best Medium-sized Technology Company 2025

Formed in 2017, One Big Circle is a fast-growing Bristol technology company that provides “Intelligent Video” solutions. We focus entirely on solving real-world industry problems by fusing new technology in the field of Video, IOT, Cloud and AI providing end to end solutions which allow our customers to dramatically improve their operational efficiency and safety. Our culture is one of high-quality technical delivery and we work at a speed that many industries are unaccustomed to; we have done this by building a team dynamic that challenges and empowers our people and creating an environment where everyone contributes and learns. We are growing, profitable and have ambitious plans to continue expansion in and beyond our existing markets.

We are looking for a proactive and motivated individual to join our team to support the business in further growing our flagship award-winning product: AIVR. AIVR (Automated Intelligent Video Review) is a state-of-the-art video technology system used by thousands of people in the rail industry. AIVR has won dozens of awards and is recognised as the market leading solution, but we are building many more opportunities both in existing and new markets which will further accelerate our growth.

We have built a culture where people feel supported, included, and empowered to do their best work. Our team is growing, and we’d love for you to be part of the journey.

Role Summary

This is a hands-on, site-based engineering role working physically on trains and in rail environments. The role requires regular travel to live rail sites across the UK and physical installation and maintenance work on rolling stock.

We are looking for an Engineer to join our Site Team, carrying out hands-on installation, commissioning, and maintenance work directly on trains predominantly out of our Derby production facility with occasional nationwide visits.

This is a practical, physically active role involving regular work on rolling stock, in depots, sidings, and other rail environments. You will be installing, commissioning, and maintaining advanced onboard systems including machine-vision cameras, laser measurement systems, thermal sensors, embedded Linux devices, IP networking, and GPS/4G/5G equipment.

The role requires confidence working in operational rail environments, secure or restricted sites, and following strict safety procedures. Previous rail industry experience is strongly preferred.

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
• Able to carry out the physical aspects of the role, including manual handling, working on and around rolling stock, and spending extended periods on site, with reasonable adjustments where applicable.
• 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 Include:

• Auto enrolment Pension Scheme
• 25 Days Holiday plus bank holidays
• Life Assurance
• Private Healthcare Cover
• Work related training courses as required
• Communal working area plus dedicated desk space
• Significant investments made to create an engaging and enjoyable work environment for this primarily office-based role
• Access to Bike to Work Scheme
• Secure bike storage and shower facilities
• Social events

You would be a valued part of a fast growing team where your ideas and opinions are valued as we continue the exciting journey of One Big Circle.

Successful candidates will need to pass a BPSS (Baseline Personnel Security Standard) check as part of the onboarding process.

How to apply

Interested candidates should submit their CV and a covering letter via email by clicking the 'Apply' button.