Enterprise Security Architect

Thames Water Utilities Limited; Reading; Hybrid; GBP 85,000 - 95,000; Full time

Job summary

Thames Water Utilities is seeking an Enterprise Security Architect to bridge high-level security policies with practical implementations in enterprise architecture. This hybrid role focuses on ensuring compliance with security standards and fostering collaboration with technical stakeholders to enhance digital security across the organization.

Benefits

Annual Leave - 26 days holiday per year, increasing to 30 with service.

Generous Pension Scheme through AON.

Private medical care.

Access to health and wellbeing benefits.

Competitive salary.

Qualifications

• Long-term experience in information security.
• Experience implementing enterprise-level security architectures.
• Knowledge of NIST CSF, ISO/IEC 27001/27002, or CIS Controls.

Responsibilities

• Translate security policies into actionable architecture requirements.
• Assess current and emerging technologies.
• Create reusable security architecture patterns.

Skills

Information Security

Cloud Security

IAM

Network Security

Security Architecture

Tools

BizzDesign

Job description

Job title Enterprise Security Architect Ref 41232 Division Digital Location Hybrid - Clearwater Court - RG1 8DB Contract type Permanent Full/Part-time Full-time Salary Offering up to £95,000 per annum depending on experience Job grade C Closing date 18/06/2025

The Enterprise Security Architect role provides the bridge between high-level security policies and standards as defined, implemented, maintained and monitored by the Thames Water CISO function, and the practical implementation within enterprise, solution and platform architectures.

The role focuses on aligning security requirements with the broader enterprise, solution and platform architecture strategies, ensuring that security is embedded across all Thames Water digital and business service designs.

What you’ll be doing as an Enterprise Security Architect

• Collaborating with the CISO function to translate security policies and standards into actionable enterprise security architecture requirements.
• Assessing current and emerging technologies and digital services.
• Evaluating current technology stacks and digital services, and implementations for alignment with security requirements and policies.
• Creating reusable security architecture patterns and secure building blocks for solution architects to use in project designs.
• Working with enterprise, solution and platform architects, project teams, and technical stakeholders to integrate security requirements into solution designs.
• Building strong relationships with the CISO function, enterprise, solution and platform architects, and other stakeholders to promote collaboration and alignment.
• Supporting the CISO team in refining policies and standards based on implementation feedback and lessons learned.
• Educating technical teams on enterprise security architecture principles, patterns, and building blocks.

What you should bring to the role

• Long-term work experience in information security.
• Demonstrated experience in defining and implementing enterprise-level security architectures within large and complex organisations.
• Experience evaluating and recommending security technologies, including IAM, network security, cloud security, and endpoint protection solutions.
• Knowledge of NIST Cybersecurity Framework (CSF), ISO/IEC 27001/27002, or CIS Controls.
• Experience in securing cloud platforms (e.g. Azure, AWS, Google Cloud) and hybrid cloud environments.
• Familiarity with security monitoring and SIEM tools.
• Understanding of the UK utilities sector, including its unique operational and regulatory challenges and compliance requirements.
• Awareness of industry-specific risks, such as those associated with critical infrastructure and SCADA systems.
• ArchiMate 3 experience.
• Experience using BizzDesign or similar architecture modelling tools.

What’s in it for you?

• Competitive salary of up to £95,000 per annum, depending on experience.
• Annual Leave - 26 days holiday per year, increasing to 30 with the length of service. (plus bank holidays)
• Annual bonus.
• Generous Pension Scheme through AON.
• Private medical care.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy fast-tracked career opportunities, flexible working arrangements and excellent benefits.

Whether you’re interested in a role in one of our call centres or science labs, we’re looking for people like you with real passion and a burning desire to make things better.

So, if you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

Our overarching aim is to ensure that Thames Water is a great, diverse, and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process . Our aim is to remove any real or perceived barriers to success, so if you need assistance, we’re here to help and support .

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Disclaimer: Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.