Cybersecurity Embedded Software Engineer

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 / STM
32 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