> Markdown version of [/jobs/ext/2308220-design-assurance-engineer](https://www.wearedevelopers.com/jobs/ext/2308220-design-assurance-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Design Assurance Engineer - **Company:** Vysiion Limited - **Location:** Chippenham, UK - **Contract:** Permanent contract - **Skills:** Cyber Security, Software Design Documents, High-Level Architecture - **Published:** August 30, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815368770-design-assurance-engineer ## About the Role * Strong understanding of OT systems, architectures, and cyber security principles within CNI/OES environments. * Experience with OT/IT convergence, including secure and resilient design considerations. * Working knowledge of industrial networking and protocols (segmentation, zoning, routing). * Experience contributing to or reviewing HLDs and LLDs. * Understanding of cyber security frameworks and standards including IEC 62443, NIS Regulations, CAF, and ISO 27001. * Experience applying cyber security risk assessment techniques in technical environments. * Strong technical documentation and structured reporting skills. ## Description * Support technical discovery workshops, customer engagement activities, and bid responses. * Contribute to secure-by-design OT solution development and technical proposals. * Contribute to and/or review High-Level Design (HLD) and Low-Level Design (LLD) documentation for OT and converged OT/IT solutions, ensuring alignment with security, operational, and regulatory requirements. * Ensure designs are technically robust, implementable, and compliant with standards including IEC 62443, NIS Regulations, CAF, and ISO 27001. * Support compliance with NIS Regulations, NCSC CAF, sector-specific requirements, and internal governance frameworks. * Work collaboratively with engineering, cyber security, service, operational, and customer teams., * Involved in varied projects that make a positive impact on critical services on a local and national level * Vibrant company culture with a wide range of events and social activities throughout the year * Range of employee initiatives on offer including the green team, DE&I society, employee forum, women's network and culture club * Dedicated Learning and Development team and access to a range of training, courses and certification support * Comprehensive benefits including birthday leave, charity leave, vitality health cover and holiday purchase scheme to gain an extra 5 days leave ## Related Videos - [Cybersecurity for Software Defined Vehicles](https://www.wearedevelopers.com/videos/725-cybersecurity-for-software-defined-vehicles) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Humanizing Your Documentation](https://www.wearedevelopers.com/videos/476-humanizing-your-documentation) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development)