> Markdown version of [/jobs/ext/3100863-ot-ics-cyber-security-architect](https://www.wearedevelopers.com/jobs/ext/3100863-ot-ics-cyber-security-architect). 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). --- # OT/ICS Cyber Security Architect - **Company:** IBEX RECRUITMENT LTD - **Location:** Warrington, UK - **Salary:** £40,000.0 - £70,000.0 - **Contract:** Permanent contract - **Skills:** Cyber Security, Ethernet, Modbus, Network Segmentation, Process Control Systems, Operational Systems - **Published:** September 27, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5899588965 ## About the Role * Proven experience securing Operational Technology (OT) or Industrial Control Systems (ICS) environments * Strong understanding of IT/OT convergence and securing legacy or brownfield industrial estates * Knowledge of recognised OT security standards such as IEC 62443 (ISA-99), NIST SP 800-82, and application of the Purdue Model * Experience designing secure segmentation models (zones and conduits), industrial firewalls, and secure remote access solutions * Familiarity with industrial protocols such as Modbus, DNP3, Ethernet/IP, OPC/UA, and associated security risks * Experience operating in regulated, safety-critical, or high-availability environments * Ability to translate technical risk into clear architectural decisions for engineering and operational audiences ## Description * Define and implement security architecture principles across OT / ICS environments * Embed secure-by-design controls into industrial systems and operational technology platforms * Lead design assurance across OT network segmentation, zone and conduit modelling, and industrial DMZ architectures * Identify architectural gaps within existing OT estates and define pragmatic remediation roadmaps * Align OT security architecture to recognised frameworks and regulatory requirements * Collaborate with OT engineers, operational stakeholders, and cyber teams to balance safety, availability, and security * Provide architectural guidance across IT/OT convergence programmes Technologies: * Architect * Ethernet * Network * Security, We are a large organization undergoing significant cyber and digital transformation and are seeking a Cyber Security Architect focused on Operational Technology (OT). This strategic, high-impact role centers on securing industrial control systems and operational networks, ensuring operational resilience and risk mitigation. We offer 30 days holiday plus bank holidays, flexible leave options, family-friendly policies, and a generous employer pension contribution. This permanent position is based in the North West of England, and we welcome candidates from any industry with relevant OT/ICS experience. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [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) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)