Job Description:

Product Cybersecurity & Firmware Engineer
Nottingham area (Hybrid WFH) | £60,000 - £70,000

KO2 is working with a well-established, global manufacturer of high-tech electronic products to appoint a Senior Product Cybersecurity & Firmware Engineer. This hands-on, senior role embeds cybersecurity and secure networking capability across a leading-edge product portfolio, sitting at the intersection of embedded engineering and product compliance.

The Role

You'll lead cybersecurity assessment and remediation while directly contributing to the design, development, and validation of secure, network-connected product features - working closely with firmware, hardware, test, compliance, and quality teams to keep products ahead of evolving regulatory requirements.

Key Responsibilities

• Lead cybersecurity assessments: identifying risks, vulnerabilities, and remediations
• Design and implement secure, network-connected product functionality, including HTTPS/TLS and RFC-based networking
• Write, review, and maintain production code for cybersecurity and network features
• Support compliance with the Cyber Resilience Act, EN18031, and IEC 62443, including technical documentation
• Investigate and resolve vulnerabilities; support patching and secure update strategies
• (Desired) Provide technical leadership and best-practice guidance across engineering teams

What We're Looking For

Essential:

• 5+ years' embedded software/systems engineering, including production code delivery, in a relevant wireless or high-tech industry
• Experience with network-connected products and protocols (TCP/IP, HTTP/S)
• Hands-on secure communications/cybersecurity feature implementation
• Embedded C or C++ 11/14
• RTOS experience (ThreadX, Azure RTOS, or FreeRTOS)
• Bare-metal development and low-level driver experience
• Familiarity with cybersecurity standards/frameworks (e.g. IEC 62443)
• Strong diagnostic, problem-solving, and communication skills

Desirable:

• Awareness of the Cyber Resilience Act and connected-product regulations
• Experience supporting compliance, certification, or customer cybersecurity requests
• ARM Cortex-M / STM32 experience
• Exposure to SPI, I2C, I2S, UART, DMA
• Hardware test and debug experience

Qualifications: Bachelor's degree in Electrical Engineering, Computer Science, or equivalent experience.

Package: £60,000-£70,000 DOE | 37.5 hrs/week | Hybrid | Well-resourced team delivering a genuinely leading-edge development programme.

Get in touch with KO2 today with an up to date CV for a confidential conversation.