Cybersecurity Embedded Software Engineer

KO2 Embedded Recruitment Solutions Ltd; Flintham; On-site; GBP 60,000 - 70,000; Full time

Benefits offered by this job

Hybrid work

Job summary

KO2 Embedded Recruitment Solutions Ltd seeks a Product Cybersecurity & Firmware Engineer in the Nottingham area. The role focuses on leading cybersecurity assessments and developing secure, network‑connected firmware features across cross‑functional teams.

You will implement secure communications, support regulatory compliance, and contribute to the design, development, and validation of cutting‑edge product capabilities in a hybrid WFH environment.

Qualifications

• 5+ years of embedded software/systems engineering in wireless or high‑tech industries.
• Experience with network‑connected products and protocols (TCP/IP, HTTP/S).
• Hands‑on secure communications/cybersecurity feature implementation.
• Experience delivering production code in an embedded environment.
• Knowledge of cybersecurity standards/frameworks (IEC 62443) is a plus.

Responsibilities

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

Skills

Embedded C/C++

TCP/IP & HTTPs

Cybersecurity feature implementation

RTOS experience

Bare-metal development

IEC 62443 familiarity

Strong problem solving

Education

BA/BS in Electrical Engineering or Computer Science

Tools

ARM Cortex‑M / STM32

Job description

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

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

BA/BS 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.