Product Definition Engineer in Cambridge at Sepura

Date Posted: 2/21/2021

Job Snapshot

Job Description

The Product Definition Engineer plays a pivotal role within the organisation, 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

The role has two main duties and you will be asked to taken on one or both depending on current project needs. Your allocation to each duty is likely to change as projects come and go. The duties are as follows:

Product Definition Engineer

In this role you will define the detailed functionality of Sepura's products for a wide variety of commercially important projects

Within this role you will work with 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.

Product Owner

In this role you will be responsible for the backlog of one or more SCRUM teams and 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 role may require some travel so it is desirable for the successful applicant to have a full, clean driving licence and their own car. Travel expenses will be paid

Additional duties may arise on a seasonable 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

Job Requirements



  • Relevant degree or equivalent expertise to degree level


  • Qualifications, certifications or accreditations relevant to this position



  • 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 with layered wireless communications protocols such as P25, TETRA, GSM UMTS, LTE;
  • Proven technical experience with technologies, such as USB, WiFi, Bluetooth, GPS
  • Significant experience working in a flexible Agile project-based environment
  • Significant experience with Agile product ownership using SCRUM


  • 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 use case cases



  • 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 


  • 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 projects simultaneously

Personal attributes

  • Calm under pressure 
  • Flexible
  • Conscientious 
  • Enthusiastic 
  • Personable 

Not Ready to Apply?

If you’re interested in career opportunities, but not ready to apply, join our Talent Network to stay connected to us and receive updates on the latest job opportunities and company news.