Operational Technology (OT) Cyber Security Architect

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As strategies, technologies, and innovation collide, we create opportunity from complexity.

Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results.

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Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands.

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We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world.

Why consider joining our Digital & Data community? 🤔

Our tech stack 🚀

While we advocate for using the right technology for the right task, you can expect to work across complex IT and OT environments, helping clients strengthen cyber resilience, secure critical systems and design practical security architectures that can be deployed safely in operational settings.

Even if you don’t meet every requirement below, feel free to still apply as we are often hiring for similar roles which your background might be better suited to.

Please be aware that some of our UK roles at PA Consulting require a UK security clearance.

All PA people are required to undergo background checks and to achieve the Baseline Personnel Security Standard however, some UK roles also require higher levels of National Security Vetting, where applicants must have at least 5 years of continuous residency in the UK.

We therefore ask that you only apply if you meet the residency requirements (i.e. you are a British citizen or have been resident in the UK for the past 5 years), as this is the prerequisite for a security clearance. If you're unsure about your eligibility, we encourage you to review the UK Government’s guidance on security vetting before applying.

Additional Information

Assessment process ⚖️

Please note that the interview stages may be subject to change based on the specific requirements of the role.

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Adjustments or accommodations - Should you need any adjustments or accommodations to the recruitment process, at either application or interview, please contact us on recruitmentenquiries@paconsulting.com

As an OT Cyber Security Architect, you will lead the design and delivery of security architectures across complex operational environments. You will work with senior stakeholders, engineering teams and regulators to translate cyber risk into practical, deployable security outcomes. You will act as a technical authority and trusted advisor, shaping how clients secure their OT estates while balancing resilience, safety and operational efficiency.

You’ll work to agile best practice and collaborate cross-functionally with multiple teams and stakeholders. You’ll use your technical skills to solve complex client problems, contribute to internal propositions and support the development of reusable tools, playbooks and guidance for our wider cyber community.

You can expect live, in-person whiteboarding sessions to problem solve as a team, alongside asynchronous communication on Teams. Hybrid working means spending time with the team on client site or in one of our offices a minimum of two days per week; however, the actual time you spend and where you spend it will vary by role or assignment, including up to five days per week on a client site.

You’ll join an environment that deeply cares about its values and the positive impact our work has for clients, communities and society.