Senior Electronics Engineer

Zedsen; Greater London; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A cutting-edge health technology startup in Greater London seeks an experienced electronics engineer to lead the design and development of medical sensing systems. The ideal candidate will have extensive experience in electronic hardware design, particularly in regulated environments. Responsibilities include verifying and validating hardware systems, ensuring compliance with medical standards, and mentoring junior engineers. The role offers a flexible working environment, competitive benefits, and opportunities for professional growth.

Benefits

Private Medical and Dental Cover

Flexible working environment

25 days annual leave

5% Employer Pension Contribution

Bonus scheme

Free lunch when working onsite

Qualifications

• 10–15 years' experience in electronic hardware design, with at least 5 years in medical or regulated systems.
• Deep understanding of analogue and mixed-signal design, especially for sensing.
• Experience taking hardware through IEC 60601 compliance.

Responsibilities

• Lead design and development of electronic systems for medical sensing applications.
• Own schematic design, component selection, and PCB layout.
• Collaborate closely with firmware, mechanical, and algorithm teams.

Skills

Electronic hardware design

Analogue and mixed-signal design

Signal integrity

Schematic capture

PCB layout review

Tools

Altium

Job description

Who we are

Zedsenis acutting-edgehealth technology startup based in London, focused ontransforming breast cancer detection through our innovative, non-invasive sensor technology. Our proprietary sensors and advanced data algorithms enable us to detect subtle changes in breast tissue, offering a safer, accessible, and cost-effective alternative to traditional screening methods. Our mission is to provide early andaccuratebreast cancer screening solutions, accessible globally, to improve patient outcomes, reduce healthcare costs, and enhance the overall quality of care. By developing scalable technology that can be widely implemented, we aim to make a measurable impact on the way breast cancer is detected and managed worldwide.

What You’ll Do

Building breakthrough sensing technologies takes tight coordination between hardware, signal processing, and algorithms—and that’s where you come in. You’ll be at the heart of our electronics development, leading verification and validation of current designs and prototypes, turning real-world performance data into insight, and pushing the next generation of improvements across every layer of the system (from analogue sensor arrays and PCBs to filtering and ASICs).

As a senior member of the team you’ll shape how we design, test, and evolve our hardware systems. You’ll model great engineering practices, ensure compliance with medical standards (IEC 60601, ISO 14971, ISO 13485), and help foster a culture of open collaboration and continuous learning. You’ll mentor engineers, share knowledge generously, and help turn bold ideas into robust, life-changing, and inclusive solutions.

Core Responsibilities

• Lead design and development of analogue and mixed-signal electronic systems for medical sensing applications
• Own schematic design, component selection, and PCB layout (Altium or equivalent)
• Develop and maintain verification and validation plans for hardware subsystems
• Analyse and improve sensor performance, noise characteristics, and signal quality
• Collaborate closely with firmware, mechanical, and algorithm teams to ensure seamless system performance
• Drive design reviews, risk assessments, and documentation in line with ISO 13485 and ISO 14971
• Engage with test houses and certification partners to ensure compliance with IEC 60601 and other relevant standards

Essential Requirements

• 10–15 years’ experience in electronic hardware design, with at least 5 years in medical or other regulated systems.
• Deep understanding of analogue and mixed-signal design, especially for sensing, low-noise front ends, and signal integrity.
• Strong command of EMC design and mitigation techniques.
• Experience taking hardware through IEC 60601 compliance and verification.
• Skilled in schematic capture and PCB layout review (Altium or equivalent).
• Familiarity with risk management (ISO 14971) and design control processes.
• Working knowledge of embedded systems, allowing effective collaboration with firmware.

Desirable Criteria

• Experience in capacitive or impedance sensing and low-power wearable electronics
• Familiarity with FPGA development and high-speed digital signalling
• Comfort working in early-stage R&D and rapid prototyping environments
• Strong communication and mentoring skills
• Enthusiasm to produce high quality work – we are producing medical devices!

We know that no candidate meets every single requirement. If you’re excited about the role and have strong experience in most of these areas, we’d love to hear from you!

Benefits

• Private Medical and Dental Cover
• Life and Health Insurance
• Flexible working environment – 3 days / week required in the office

Flexibility to work remotely at company discretion.

• Free lunch when working onsite
• 25 days annual leave
• 5% Employer Pension Contribution
• Share Options
• Bonus scheme (subject to meeting company milestones and company policy)
• Opportunities for growth: learn from a supportive team, attend workshops and short courses which align with delivering company goals (subject to managerial approval).

How We Work

We’re a close-knit team of scientists and engineers who enjoy taking on complex problems and seeing them through. The hardware group is small and focused where everyone has an equal opportunity to shape both the technology and the culture we work in. We hold ourselves accountable, support one another, and value clear, honest communication over unnecessary process. Growth here comes from doing meaningful work, learning together, and sharing knowledge openly. If you want to build technology that matters alongside people who are passionate about what they do, you’ll fit right in.