Cyber Security Infrastructure Architect

Job Title:

OT Cyber Security Infrastructure Architect Department: OT Infrastructure & Cyber Security

Location:

Port Talbot (SA13)
Closing Date:
Sunday 8th February 2026

We believe that our strength is not just in our steel but 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 not only to excellence in manufacturing but also in securing our critical infrastructures against cyber threats. We're seeking a visionary OT Cyber Security Infrastructure Architect to shape and safeguard our global operational technology environments.

As an OT Cyber Security Infrastructure Architect, you'll define and implement strategic security architectures that protect and optimise our OT assets globally. This role is integral to our continued success, linking advanced cyber security practices directly to our strategic business objectives of safety, operational resilience, and technological advancement. As part of your role, you'll lead hardening activities aligned with CIS benchmarks, helping to standardise and strengthen our global cybersecurity posture.

You'll lead transformative projects, designing and deploying 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 be delivering secure solutions across segmented networks, implementing and maintaining secure designs, configurations, access controls and hardened environments within Wintel-based Active Directory environments.

Your ability to deliver complex projects will have measurable impacts, including reduced downtime, enhanced incident response capabilities, and strengthened compliance with global standards like ISA/IEC 62443 and NIST SP 800-82. This role offers extensive opportunities for career growth, global collaboration, and continuous learning within Tata Steel's forward-thinking culture.

To succeed as our OT Cyber Security Infrastructure Architect, you'll bring substantial experience and specialised expertise, specifically:

• 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.
• A strong background 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 in applying CIS (Center for Internet Security) hardening standards to ensure secure system configurations across critical assets would be desirable.

For more information or for an informal discussion please contact: J

Tata Steel UK offers their employees significant benefits packages. For this role, you will benefit from:

• 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 as well as Employee discount scheme for companies including Vodafone, Jaguar Land Rover and also various local services.

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  Stoves cooking less carbon – You Tube