Digital Baseband Hardware Design Engineer in Cambridge at Sepura

Date Posted: 2/23/2021

Job Snapshot

Job Description

Sepura Ltd are seeking a Digital Baseband Hardware Design Engineer who will have a strong background in digital circuit design from initial concept, specification and design through to software and systems integration, test and manufacture. As a Principal Engineer, you will have demonstrable experience taking technical responsibilities and ownership for work package delivery, as well as taking a leading design role, and mentoring less Senior Engineers within the team

Main duties:

  • Requirements analysis and elicitation including liaison with stakeholders
  • Technical design and specification of digital baseband circuitry for radio terminal products
    - Complete subsystem design and implementation, including ownership
    - Integration with RF, Audio and MMI subsystems
    - Component specification and sourcing
    - Design, integration and test documentation
    - Definition, implementation and supervision of PCB layout rules and constraints
  • Resolution of design and integration issues
  • Interaction with the Software team at device driver level (especially during bring-up phases)
  • Type approval support
  • Production technical support
  • Technical support to end customers
  • Progress reporting to project team and line manager

The role will require the candidate to achieve UK Security Clearance

Job Requirements


  • Bachelor's Degree or equivalent in relevant field


Skills & Experience


  • Minimum 12 years' electronics design experience
  • Experience with application processor designs in the GHz clock range
  • Experience with high speed memory subsystems design and integration
  • Experience with high speed processor digital interfaces (e.g. MIPI CSI,DSI, USB3.x, etc.)
  • Experience with high speed board level subsystems design and integration (e.g. Gbps Ethernet switches/phy USB3.0 fabric, PCle, etc.)
  • Experience with applications processors power domains design and integration (e.g. PMIC design)
  • Experience with signal and power integrity simulation tools (e.g. Hyperlynx, Sigrity, ADS, etc.)
  • Strong background of signal and power integrity design at PCB layout level
  • Experience interacting with Software teams at the device driver level
  • Efficient circuit design for handheld battery powered products
  • Design for EMC/ESD protection
  • Design for Manufacturing and Test


  • Experience with TI OMAP application processors
  • Experience with Qualcomm Snapdragon application processors
  • Intrinsically safe product design
  • Design work relating to radio products
  • Power supply design (analogue and SMPS)
  • Knowledge of scripting using Python
  • Experience with Mentor DX designer
  • Understanding of Analogue design and circuit simulation
  • Experience of using Lithium Polymer batteries
  • Design for medium volume product manufacture
  • Awareness of analogue electronics and RF


Personal attributes

  • Communicates effectively with others across multiple disciplines
  • Works well in a small, focused team, sometimes against tight deadlines
  • Conscientious, reliable and enthusiastic worker who takes pride in their work
  • Self-driven and motivated with ability to use own initiative and take a technical lead
  • Ability to work to a high level of quality with good attention to detail

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.