Trainee Production Engineer

Overview

One Big Circle is a Bristol technology company providing Intelligent Video solutions. We focus on solving real-world industry problems by fusing technology in Video, IOT, Cloud and AI. We are growing, profitable and have ambitious plans to continue expansion. We are looking for a proactive and motivated Trainee Production Engineer to support the business in growing our flagship product: AIVR (Automated Intelligent Video Review), a state-of-the-art video technology system used by thousands in the rail industry.

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.

As a Trainee Production Engineer you will assist in executing our manufacturing and quality assurance processes, and maintaining our facilities. In this role you will be supported in learning how to carry out manufacturing, testing, and repair tasks. During the course of your employment you will become proficient at the following activities:

• Using common power and hand tools
• Reading and understanding electrical and mechanical schematics
• Carrying out manufacturing tasks such as building wiring assemblies using techniques such as soldering, trimming, cutting, and crimping
• Additive manufacturing such as 3D printing
• Subtractive manufacturing such as drilling and grinding
• Building and inspecting our products
• Assembling test equipment
• Identifying components using schematics, part numbers, or descriptions
• Carrying out quality and performance verification
• Basic diagnosis and repair of electronic equipment
• Programming and configuring equipment, and installing software

The successful applicant will demonstrate punctuality, attention to detail, and the motivation required to complete the sometimes repetitive work found in manufacturing. They should also be able to demonstrate an example of an electronic or mechanical project completed of their own accord.

• Literacy
• Good spatial and logical reasoning skills
• Interest in technology
• Interest in making things
• Knowledge of Office/Google suite

• Work related training courses as required
• Complimentary snacks and refreshments including fresh fruit
• Access to Bike to Work Scheme
• Secure bike storage and shower facilities

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  Find out more about us at

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

• Entry level

• Full-time

• Manufacturing, Quality Assurance, and Production
• Industries:
  Software Development, Railroad Equipment Manufacturing, and Engineering Services