Principal Medical Software Engineer in Bristol

We are currently seeking an experienced Medical Software Engineer to join our growing team on a fixed‑term basis (initially 18 months).

Role Responsibilities

• Leading the design, development, verification and delivery of software for regulated medical devices, including IEC 62304 Class C safety‑critical software.
• Providing technical direction across the full software lifecycle, ensuring regulatory compliance, robust architecture, and high quality execution whilst communicating with internal stakeholders, clients and regulatory bodies.

About You

You’ll have demonstrable experience of medical software development, spanning everything from planning to submission. You’ll have proven experience of delivering Class C safety critical software to market and be comfortable developing for embedded environments i.e. Medical Device Software built on Linux, QNX, SafeRTOS etc. Collaboration plays a vital part in what we do so you’ll be a natural team player, eager to work and learn with others across expertise areas.

Required Skills & Experience

• Experience developing software requirements specifications (SRS).
• Experience shaping the architecture of medium to large scale medical software systems.
• Be comfortable enough to oversee technical decision making including technology selection, architecture trade‑offs, risk reduction strategies, and cyber security considerations.
• Be able to review and approve detailed design, code, verification plans, and safety‑related artefacts.
• Demonstrable experience of guiding integration of software with digital design, electronics, firmware, mechanical and HF teams.

Desirable Skills

• Cybersecurity for medical devices (FDA pre/post‑market guidance, UL 2900, IEC 81001 etc.).
• Development of automated test frameworks, simulators, or hardware‑in‑the‑loop setups.
• Experience integrating with hospital systems (EHRs, DICOM, HL7 protocols etc.).
• Experience working in client‑facing and consultancy roles.

Salary and Benefits

The salary for this role is in line with the middle to top‑end of our Principal salary banding, £70,000 to £89,000. We ask you to confirm your salary expectations as part of your application and we further ask you to really consider where you feel your experience sits within that band.

• Performance‑related company‑wide bonus.
• Flexible hybrid working in line with our core hours (Mon–Thu, 9:30am–12:00pm & 2:00pm–4:00pm; Fri, 9:30am–12:00pm).
• Private healthcare for you and your family.
• Enhanced maternity and paternity leave.
• Salary exchange pension scheme.
• 25 days of annual leave, plus the option to purchase up to one working week and additional days for length of service.
• Access to our Employee Assistance Programme and digital wellbeing platform.
• Cycle to Work & Electric Vehicle Lease schemes.
• Death in service (x4 gross salary).
• Training and development opportunities, including dedicated learning days and regular knowledge‑sharing sessions.
• A free lunch the first Monday of every month alongside our company‑wide meeting.
• Free breakfast every Wednesday, and plenty of opportunities to socialise, including team‑organised activities, summer and Christmas parties, and more.

Inclusive Design

At Ensera Design we believe that designing for people means including all people, starting with the team behind the work. Our human‑centred design ethos is rooted in empathy, and our values – pull together, find a way, and care – guide us in building a team that reflects the diversity of the world we design for. We know that different perspectives lead to better ideas, stronger collaboration, and more meaningful outcomes. If you meet the skills and experience for this role, we welcome your application – whatever your background, identity, or path into design. What matters to us is that you share our belief in purposeful, people‑first design.