Product Operations Assistant- Rail

Product Operations Assistant – Rail

One Big Circle – Bristol

Full‑time 37.5 hours over 5 days

Salary £24-26k

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 to provide end‑to‑end solutions that 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. Be part of an award‑winning workplace:
The Sunday Times Best Medium‑sized Technology Company 2025.

You’ll play a key part in supporting our product team — learning the product inside out, assisting with configuration and administration, and helping to deliver high‑quality outcomes for our customers in the rail industry. The role would suit someone technically curious, with a practical and pragmatic approach who feels they can both deliver precise, detail‑oriented work and yet also be flexible and responsive when required.

Candidates without directly comparable experience should still apply if they believe they can demonstrate the right attitude and aptitude, and/or have transferable skills.

• Learn about all aspects of our product including its administration to become a recognised expert within the business.
• Develop an understanding of our customers requirements, and build knowledge of the rail industry.
• Carry out tasks as directed by other members of the product team to support the delivery of projects and our product roadmap.
• Provide support to our service & operations team by creating quality documentation.
• Follow internal processes to maintain product and configuration quality.
• Perform product administration and configuration changes, both routinely and in response to arising customer and internal needs.
• Carry out proactive tasks to assist customers and monitor the performance of our product.
• Assist the product team in completing validation and ground truth exercises of our machine learning models and positioning data.

• A collaborative, positive & flexible approach.
• The ability to learn quickly and accurately communicate detailed technical information.
• Strong interpersonal and communication skills – written, on the phone and in person.
• Strong analytical skills to interpret, analyse and perform tests robustly.
• Confident user of technology.
• A keen eye for detail – ability to execute detailed tasks accurately.
• Well organised.
• Familiarity with MS Office/Google GSuite productivity software (Docs, Sheets).

• Familiarity with or enthusiasm for rail.
• Previous experience within a product or technical support role.

• 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

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.