Lead Security Architect

Post Office; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A community staple organization is seeking a Lead Security Architect to design and review security system architectures and develop a cohesive strategy. The ideal candidate will have extensive IT experience focused on cybersecurity and the ability to lead initiatives across teams. Responsibilities also include establishing security design principles and updating measures to counter emerging threats. Post Office values diversity and aims to provide an inclusive workplace. This role includes a competitive salary and a comprehensive benefits package, including generous leave and bonus opportunities.

Benefits

27.5 days annual leave

Up to 18% bonus opportunity

Car allowance

Generous pension contribution

Life assurance

Income protection after 12 months

Employee assistance programme access

Learning and development opportunities

Qualifications

• Professional experience in IT, specifically in cybersecurity.
• Demonstrated ability to lead security initiatives across teams.
• Deep understanding of cybersecurity technologies and best practices.
• Experience with cloud, data, API, digital, and mobile architectures.
• Knowledge of endpoint, network, data security, and zero trust.
• Experience in threat modelling sessions.
• Ability to effectively communicate and influence stakeholders.

Responsibilities

• Design and review system architectures.
• Align with technology principles and develop a security strategy.
• Establish design principles and update security measures.

Skills

IT experience focused on cybersecurity

Technical leadership experience

Understanding of cybersecurity threats

Experience with modern digital architectures

Knowledge of security domains

Experience in leading threat modelling

Excellent influencing skills

Effective communication skills

Job description

Summary

Reporting Line : Head of Enterprise Security Architecture

Contract type : Permanent

Grade : 3A

Location : Wood Street, London

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 minimises 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.