Lead Security Architect

Post Office Ltd; London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading company is seeking a Lead Security Architect to design and review system architectures while collaborating across teams to develop a robust security strategy. The role involves ensuring effective security measures to mitigate risks and support transformation initiatives.

Benefits

27.5 days annual leave

Up to 18% on target bonus opportunity

Car allowance

Generous pension contribution

Life assurance

Income protection after 12 months service

Employee assistance programme

Learning and development opportunities

Qualifications

• Professional experience in IT with a focus on cybersecurity.
• Deep understanding of cybersecurity threats and technologies.

Responsibilities

• Design and review system architectures for security.
• Collaborate across functional areas to develop a cohesive security strategy.

Skills

Cybersecurity

Technical Leadership

Communication

Job description

Summary

Reporting Line: Head of Enterprise Security Architecture

Contract type: Permanent

Grade: 3A

Location: Wood Street, London

Closing Date: 27th May 2025

What to expect

The Lead Security Architect will design and review system architectures, align with POL's technology principles, and collaborate across functional areas to develop a cohesive security strategy. Support transformation initiatives, establish design principles, and regularly update security measures to mitigate emerging threats and risks. Ensuring POL's Security Architecture capability is effective and minimizes risks of compromise and disruption.

The Lead Security Architect is a key member of the CISO team, responsible for the delivery of functional strategies, always modelling the Post Office behaviours and demonstrating a Postmaster first mindset.

What we can do for you

Now, more than ever, we understand that attracting the right talent is pivotal in driving the positive change needed throughout our organisation. Beyond a competitive salary, we offer a comprehensive benefits package that includes:

• 27.5 days annual leave that increases with tenure
• Up to 18% on target bonus opportunity
• Car allowance
• Generous pension contribution
• Life assurance
• Income protection after 12 months service
• Full support from our employee assistance programme and access to our employee benefits platform
• Ever-evolving learning and development opportunities

Our commitment to embracing diversity extends beyond just words. We actively foster an inclusive workplace that values the unique perspectives and contributions from all colleagues. We hold the belief that Equity, Diversity, and Inclusion are not just vital but fundamental to our success and growth. Our priority lies in shaping a business that mirrors the diverse communities we reach, truly making Post Office 'Everybody's Business'. As an equal opportunity employer, we value and celebrate the differences among our people, ensuring that our practices reflect our dedication to inclusivity and equal representation for all.

What you'll need to succeed

• Professional experience in IT, with a focus on cybersecurity
• Technical leadership experience, demonstrating the ability to lead security initiatives and collaborate across teams
• Deep understanding of cybersecurity threats, technologies, and best practices
• Experience with modern digital architectures such as cloud, data, API, digital, and mobile
• Knowledge of security domains including endpoint, network, data, hybrid cloud security, and zero trust strategies
• Experience in leading threat modelling sessions
• An enabler who can speak with knowledge and confidence in their subject matter, guiding their team to success
• Excellent influencing and communication skills with the ability to utilise a range of techniques to deliver messages effectively, make an impact, and drive a successful outcome

About us

Post Office is a community staple. We're trusted. We're relatable. We're reliable. We're steeped in tradition. But we're on a journey of transformation. We're focused on the future and working at pace to compete in a digital world to provide the same, personalised experience we've always been proud of - and we need fresh talent to help make it possible.

We're looking for people to come to Post Office to re-imagine. Authentic people who rise to big challenges and make big changes. We all have a genuine duty of care for the people we serve - a purpose that guides us forward, no matter what. We're looking for people who share in that purpose and show that now, and moving forwards, Post Office truly is Everybody's Business.