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Job Title: OT Cyber Security Infrastructure Architect
Department: OT Infrastructure & Cyber Security
Location: Port Talbot (SA13)
Closing Date: Sunday 14th December 2025
We believe our strength is in our steel and in the diversity of our workforce. Our people make the difference.
Want to be the architect behind securing the operational technology at one of the largest steel manufacturers in Europe?
Tata Steel is a leader in sustainable steel production, dedicated to excellence in manufacturing and securing our critical infrastructures against cyber threats. We are seeking a visionary OT Cyber Security Infrastructure Architect to shape and safeguard our global operational technology environments.
What you will do
As an OT Cyber Security Infrastructure Architect, you will define and implement strategic security architectures that protect and optimise our OT assets globally. You will lead hardening activities aligned with CIS benchmarks and design and deploy robust cyber security frameworks that ensure seamless operations and effective threat mitigation. Collaboration will be key, working closely with international cross‑functional teams from engineering, IT and operational management to ensure comprehensive security integration. You will deliver secure solutions across segmented networks, implementing and maintaining secure designs, configurations, access controls and hardened environments within Wintel‑based Active Directory environments.
What you will need
* A strong background in cyber security architecture, particularly within operational technology (OT) environments.
* Proven experience designing and implementing secure network infrastructures, including firewalls, IDS/IPS, endpoint security solutions and advanced threat protection systems.
* Experience in designing, implementing and securing complex AD structures, managing Group Policy Objects to enforce security and configuration requirements.
* Relevant professional qualifications or certifications such as Microsoft Role‑Based certifications, CISSP, GICSP, ISA/IEC 62443 Cybersecurity Expert or equivalent.
* A proactive, strategic mindset, committed to continuous learning and staying ahead of emerging cyber threats and technologies.
* Experience applying CIS hardening standards to ensure secure system configurations across critical assets would be desirable.
Ready to make a difference?
For more information or an informal discussion, please contact: Jon.Taylor@tatasteeleurope.com
What we can offer you
* A market competitive salary
* 35 days holidays per annum
* Annual Pay Review
* Quarterly Bonus Scheme – subject to business performance
* One of the UK’s leading defined contribution pension schemes (10% employer contribution / 6% employee contribution)
We also have an extensive list of lifestyle benefits including free onsite parking at all of our sites, an employee assistance programme and an Employee discount scheme for companies such as Vodafone, Jaguar Land Rover and various local services.
Why us?
Tata Steel is one of the world’s top 10 steel producers. The combined group has an annual aggregate crude steel capacity of more than 33 million tonnes with approximately 80,000 employees across four continents. We’re part of the Tata Group, one of the largest, most diverse conglomerates in the world with businesses in the UK including Tata Steel, Jaguar Land Rover and Tetley Tea.
Sustainability is at the very heart of what we do and we are dedicated to managing our operations responsibly and to continuously improving our performance. Innovating for tomorrow, making a positive impact today.
Tata Steel in the UK is committed to our ambition of reducing energy consumption and to becoming a carbon neutral steelmaker by 2045, to find out more about our journey click here Stoves cooking less carbon – YouTube
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Manufacturing, Engineering and Information Technology
Industries
Primary Metal Manufacturing, Manufacturing, and IT System Operations and Maintenance
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