Opportunities for permanent roles in a range of business sectors

Senior/Principal Product Definition Engineer

It's an exciting time to come and join the Sepura team. We are on the lookout for a Senior or Principal Product Definition Engineer to play a key role within the Product Strategy Group

The Product Definition Engineer plays a pivotal role within Sepura, using a wide-ranging but deep technical background and a strong awareness of customer and commercial needs to bridge the gap between the commercial and development parts of the organisation

Come and join Sepura Ltd at an exciting time of growth and progress your career within this innovative technology company, based in Waterbeach, Cambridge


Your role

The role has two main duties; Product Definition and Product Owner. You will be asked to take on one or both depending on project needs. Your allocation to each duty is likely to change as projects come and go

The ideal candidate will be technical, flexible, conscientious, pragmatic, calm under pressure, enthusiastic and personable. You will be expected to voice your experience amongst many others in order to arrive at the best agreed course of action


Your day to day

Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges

There is no such things as a typical day here at Sepura. You will be supported by your manager and team, as well as collaborating with other departments across the business

This role has two main duties as follows:

1. Product Definition Engineer

In this role you will define the detailed functionality of Sepura's products for a wide variety of commercially important projects. You will work with technical standards, Product Managers, Senior Development Engineers and the wider business to:

  • understand feature, product, and system requirements and constraints, and in doing so help clarify product functionality and the scope of projects
  • develop requirements and associated use cases to create a definition of product and feature functionality
  • document and maintain product and feature specifications

You will be the custodian of the developed requirements, disseminate them to stakeholders throughout the organisation, and become one of the go-to knowledge experts on product and feature

You will assist Product Owners to create user stories and acceptance criteria and help them understand user story interdependencies 

2. Product Owner

In this role you will be responsible for the backlog of one or more SCRUM teams. You will represent Product Managers in the SCRUM ceremonies, and work alongside Project Managers to aid reporting and help prioritise project issues

Your SCRUM team may work on several projects simultaneously and you will need to prioritise demand for your team's work from all areas of the business


In rare circumstances this job may require some travel so it is desirable the successful applicant will have a full, clean driving licence and their own car. Travel expenses will be paid.

Additional duties may arise on a seasonal or ad hoc basis, or as the business requires

Some parts of this job may require Security Clearance, but existing or prior clearance is not essential

What you need to succeed


  • Relevant degree or equivalent expertise to degree level

Experience and skills

  • Extensive proven experience with requirements elicitation, management and tracking; ideally in an Agile environment
  • Extensive proven experience in ground-up product development in embedded C and/or in Android service layer and/or Android applications
  • Proven experience writing functional specifications
  • Proven experience writing interface specifications 
  • Proven technical experience eliciting requirements from technical standards (e.g. ETSI, 3gpp)
  • Proven technical experience with layered wireless communications protocols such as P25, TETRA, GSM, UMTS, LTE
  • Proven technical experience with technologies such as USB, Wi-Fi, Bluetooth, GPS
  • Significant experience working in a flexible Agile project-based environment 
  • Significant experience with Agile product ownership using SCRUM
  • You will be a proven self-starter
  • Strong organisational skills with the ability to plan ahead for yourself and others
  • Proven ability to communicate in a variety of formats with an appreciation of target audience
  • Proven experience working in a technically demanding, precise and fast changing environment
  • Demonstrated problem solving skills
  • A demonstrated ability to root-out and quickly assimilate information on diverse topics 
  • An ability to assess the trade-offs between development cost and functional benefit

Nice to have


  • Qualifications, certifications or accreditations relevant to this position

Experience and skills

  • Technical experience with PMR related products and technologies
  • Experience with security concepts and technologies, for example encryption, authentication and key management
  • Customer-facing experience and/or experience of working with customer or sales support teams
  • Experience in requirements capture, development, and management using user stories and/or user cases
  • Experience of Android-based UIs
  • Experience using BDD to define embedded device functionality 
  • A demonstrated ability to be creative and innovative, to meet requirements in cost effective and elegant ways
  • A demonstrated ability to represent and promote the business landscape within development
  • An ability to work on several disparate project simultaneously