Opportunities for permanent roles in a range of business sectors

Digital Baseband Hardware Design Engineer

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


  • 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