Principal Software Engineer - Verification

Shape how safety-critical software is verified at the highest level.

We're partnering with a growing, highly respected engineering SME specialising in safety-critical embedded systems . They are looking for a Principal Software Engineer (Verification) to play a key role in developing and assuring high-integrity embedded software, including a safety-certified real-time operating system.

This is a hands-on software engineering role within the verification team, combining technical leadership with deep involvement in verification, validation, and certification activities.

Please make sure you read the following details carefully before making any applications.
The Role

You'll operate as a senior technical authority while remaining close to the code. Responsibilities include:

• Leading verification strategy and approach for embedded software systems
• Designing, developing, and maintaining test frameworks, tools, and automation
• Performing low-level software verification across multiple architectures
• Contributing directly to code-level activities (primarily C / embedded environments)
• Driving verification activities across the full software lifecycle
• Supporting certification to standards such as IEC 61508, DO-178C, ISO 26262
• Mentoring engineers and setting best practices within the verification team
• Working closely with customers to provide technical guidance and support

What We're Looking For

Essential:

• Degree in Engineering, Computer Science, Maths or similar
• Experience with Real-Time Operating Systems (e.g. FreeRTOS, SafeRTOS or similar)
• Strong background in embedded software engineering (C)
• Significant experience in software verification / validation
• Experience developing test tools, frameworks, or automation
• Understanding of low-level / hardware-near software behaviour
• Experience working in a controlled or safety-critical environment
• Degree in Engineering, Computer Science, Maths or similar
• Strong communication skills and ability to engage with stakeholders

Highly Desirable:

• Knowledge of safety standards ( IEC 61508, DO-178C, ISO 26262, IEC 62304)
• Experience with ARM architectures (Cortex M / A) or similar
• Understanding xehkeey of debugging at processor level
• Knowledge of software lifecycle, requirements, and configuration management
• Exposure to networking, multicore systems, or embedded security

Working Environment

• Bristol-based
• Hybrid working (minimum 3 days onsite; more during onboarding)
• Collaborative, engineering-led environment with strong technical depth

Package & Benefits

• Competitive salary with annual review
• Performance-related bonus
• Generous pension contribution
• Private healthcare, income protection & life assurance
• 25+ days holiday (increasing with service)
• Flexible working hours
• Ongoing professional development and training