IoT Engineer

TidalSense is a respiratory technology company with a mission to transform the diagnosis, monitoring and management of chronic respiratory conditions, such as asthma and COPD. The company has ambitions to enable a population-scale change in respiratory care through global deployment of its technologies in both developed and developing countries with poor access to healthcare. TidalSense has launched the first‑of‑its‑kind AI‑driven (software medical device) diagnostic test for COPD which uses the company's unique, patented, sensor technology embedded in the N‑Tidal Handset medical device.

We are seeking a senior to principal level IoT Engineer with strong mobile connectivity experience, systems design and technical documentation skills. We are at an exciting phase in our journey as we transition from a start‑up to a scale‑up. You will be joining a passionate, socially‑motivated and multi‑disciplinary team covering engineers, scientists, clinicians, designers, product and usability specialists. This is a unique opportunity for an ambitious individual to define and lead the design and implementation of solutions that will drive development and commercialisation of our medical devices, delivering life‑changing impacts in the real world. We are seeking someone who is comfortable working in a fast‑paced, agile, diverse team environment, and who is committed to our mission to revolutionise respiratory medicine.

To lead the design, implementation, and maintenance of a robust, secure, and regulatory‑compliant connectivity and device management solution for a global fleet of connected medical devices.

Device & Connectivity Management

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• Take full ownership of TidalSense IoT device connectivity, including the end‑to‑end management of device firmware, software, and configuration control
  
• Evaluate, implement, and maintain a secure and scalable third‑party device management platform for remote management of devices in the field
  
• Integrate TidalSense devices with the device management platform to provide:
  
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  • Real time reporting & monitoring of device health and connectivity performance (including logs, alarms, events, and other diagnostic information)
    
  • Seamless Firmware Over The Air (FOTA) updates for modem & device firmware
    
  • Remote configuration of devices without interrupting clinical workflows
    
  • Strict, auditable, configuration control in compliance with ISO 13485
    
  
  
• Pro‑actively identify mobile connectivity risks; perform root cause analysis (RCA) of mobile connectivity problems; and implement robust, long‑term solutions
  
• Design and optimise the communication architecture to ensure seamless data transmission between mobile devices, platforms, and the TidalSense AI cloud applications
  
• Manage relationships with modem suppliers, Mobile Network Operators (MNOs) & Mobile Virtual Network Operators (MVNOs) to secure optimised roaming agreements and ensure operational efficiency in international markets
  
• Lead the strategic selection of Low‑Power Wide Area Network (LPWAN) technologies for incorporation into TidalSense devices
  

Regulatory & Compliance

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• Operate within a rigorous regulatory and compliance framework, ensuring development and management processes meet ISO 13485, IEC 62304, ISO 14971, and ISO 27001 standards
  
• Prepare clear and concise documentation for the medical device technical files to comply with applicable device standards and country regulations
  

Operational Support

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• Design and implement device and connectivity management dashboards for internal use by the operations team
  
• Act as technical advisor to support customer operations, centralised fault management and service level monitoring
  
• Support the operations team to improve the lifecycle management of the device
  

Essential

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• Proven understanding of key IoT technologies, practices and standards, including:
  
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  • Cellular IoT modems (interfacing via AT Commands)
    
  • Mobile connectivity GSMA/3GPP standards in use in UK, Europe, USA, and global markets
    
  • Full understanding of the Cellular IoT stack to ensure very high connection reliability
    
  
  
• Embedded systems experience
  
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  • Significant commercial / industrial experience in implementation of C++ in resource constrained environments, ideally with IoT modems
    
  
  
• Proven abilities in system design, implementation and maintenance, including:
  
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  • Developing and maintaining robust architectures that bridge disparate systems and third‑party APIs, ensuring seamless functional integration
    
  • Designing secure systems that ensure the "edge‑to‑cloud" data flow is protected
    
  • Following modern software engineering practices including Git version control and CI/CD pipelines for automated testing and deployment
    
  
  
• Strong problem solving, communication and leadership
  
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  • Able to operate with high autonomy and ownership
    
  • Experienced in multi‑domain fault tracing & problem solving
    
  • Able to think strategically and provide clear direction with concise supporting arguments
    
  • Collaborate effectively across teams to deliver technical projects that achieve company goals
    
  • Able to write clear, concise, high quality technical documentation
    
  
  
• Views Generative AI and automation tools as a 'force multiplier' for their own productivity and is eager to pioneer new workflows in a regulated healthcare environment
  

Desirable

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• Previous experience in architecting 'Edge‑to‑Cloud' IoT solutions on major cloud platforms
  
• Python skills for data analysis (NumPy, pandas, Jupyter)
  
• Embedded Systems development using an RTOS (e.g. FreeRTOS)
  
• Reliability & security engineering for device‑to‑cloud communication
  
• Experience with SQL and Tableau dashboards
  
• Expertise in data transfer formats and connectivity protocols (https, CBOR, MQTT, REST APIs)
  
• Knowledge of EU MDR and FDA medical device regulations
  
• Working under international regulatory standards ISO 13485, IEC 62304, ISO 14971, ISO 27001
  

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• At least 5 years' experience in IoT, managing large numbers of IoT devices in the field, including FOTA, configuration and provisioning
  
• At least 5 years of C++ in resource constrained environments
  
• Bachelor's degree or equivalent in Engineering, Science, Computer Science or related discipline or equivalent professional experience
  

Desirable

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• Experience working in regulated environments (e.g. medical devices, aerospace or automotive)
  
• Experience negotiating or managing technical relationships with mobile network operators to optimise roaming and operational efficiency
  

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• Legally eligible to work in the UK without sponsorship or eligible for a Skilled Worker Visa
  
• Able to work in person in the Cambridge office at least 3 days / week (but ideally more)
  
• Will need to be available for occasional travel to UK and EU clinical sites for troubleshooting (expected to be less than 1 day per month)
  

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• We read all applications carefully - including your free‑text answers - in evaluating your application. Please make sure you spend some time answering these questions carefully
  
• Please answer questions truthfully and without using a LLM to auto‑populate answers. Dishonesty is fundamentally against our values
  
• We appreciate that some candidates may hesitate to apply because they may feel that they might not meet all of the required criteria or be competitive enough. If this is you, please don't shy away from applying – we would like to hear from you!
  

APPLICATIONS CLOSE: Sunday 1st March 2026

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• Flexible working hours to support your work preferences
  
• Hybrid working as per requirements above
  
• 25 days annual leave (pro‑rated) + 8 public holidays
  
• Pension: TidalSense contributes 5% of qualified earnings
  
• Annual performance‑based bonus
  
• Discretionary share options scheme
  
• Work from abroad for 1 week per year
  
• Buy / sell up to 5 days annual leave (pro‑rated)
  
• Individual personal development budget + dedicated development days
  
• Mental Health support: wellbeing support and free 24/7 access to qualified counsellors and advisors
  
• Coaching and mentoring
  
• Team events and celebrations
  
• Beautiful award‑winning Cambridge UK office stocked with quality drinks & snacks
  

TidalSense operates a fair pay structure to ensure our colleagues are paid equitably and competitively for their skill, expertise and experience. This role is for a senior to principal level engineer and successful candidates will be offered this role at the appropriate grade, based on both their resume experience and our judgement of their performance level through the assessment process.