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Senior Security Architect

Hackajob LtdCharing Cross, Central London🇬🇧United KingdomPosted 25 Aug 2026

Why This Role Stands Out

This leadership role offers a unique opportunity to shape the future of product governance within a high-impact payments business, fostering strategic growth and innovation. You'll thrive here if you possess strong governance and policy expertise, enjoy collaborative problem-solving, and are eager to contribute to a significant transformation within a reputable financial institution, with the flexibility of a hybrid work model. Don't miss the chance to apply and make your mark!

Quick Overview

Seniority
Leader
Employment type
Full Time
Work mode
Hybrid
Location
Charing Cross, Central London, United Kingdom
Posted
2 weeks ago
OWASPTCP/IPAgileGDPRPKI

Job Description

hackajob is partnering directly with Kainos to hire for this role.

Join Kainos and Shape the Future

At Kainos, were problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether were transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technology, we do it together.


We believe in a people-first culture, where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, youll be part of a diverse, ambitious team that celebrates creativity and collaboration.


Ready to make your mark? Join us and be part of something bigger.

MAIN PURPOSE OF THE ROLE & RESPONSIBILITIES IN THE BUSINESS:


As a Senior Security Architect (Manager) in Kainos, youll be responsible for the design and application of industry leading security practices in the platforms and services we build for our customers. Our projects range greatly in variety, from visa and passport processing systems, to hospital medical record platforms and global financial management and HCM systems.
Youll work with Agile delivery teams to ensure that they follow good security practices throughout the software development journey. Youll learn about and apply new technologies and approaches, with talented colleagues who will help you develop and grow.
Youll share knowledge and help educate people on good security practices both customers and Kainos team members. Youll manage, coach and develop a small number of staff, with a focus on managing employee performance and assisting in their career development. Youll also provide direction and leadership for your team as you solve challenging problems together.
MINIMUM (ESSENTIAL) REQUIREMENTS


Expertise in leading the secure design of new cloud services and solutions in line with defined security strategies.
Expertise in identifying security issues in existing system designs, including recommending sensible mitigations that balance cost, risk and usability.
Knowledge of security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR).

Experience in one of the following specialisms: AI/ML/Data/Cloud/M365/ Security Architecture
Experience in application architecture, software development and/or infrastructure architecture.

Industry experience in one of the following sectors: Public/Healthcare/Defence/Commercial Sectors
Experience in testing the security of software and infrastructure using appropriate security tools.
Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques
Experience of network security (e.g. OSI, TCP/IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS).
We are passionate about developing people a demonstrated ability in managing, mentoring and coaching members of your team and wider community is important
Excellent communication skills, with the ability to convey security complexities to audiences of various technical abilities (e.g. senior stakeholders, development teams).

DESIRABLE
Experience of Identity management and authentication/authorisation products and patterns.

Experience in at least on Industry Vertical

Involvement across the full security lifecycle
End-to-end security involvement, including governance, risk and compliance, operational security, supply chain security and secure user management.
Active participation in knowledge sharing activities, both within the team and at a wider capability level and externally where appropriate.
Penetration specialist certifications

Embracing our differences

At Kainos, we believe in the power of diversity, equity and inclusion. We are committed to building a team that is as diverse as the world we live in, where everyone is valued, respected, and given an equal chance to thrive. We actively seek out talented people from all backgrounds, regardless of age, race, ethnicity, gender, sexual orientation, religion, disability, or any other characteristic that makes them who they are. We also believe every candidate deserves a level playing field.

Our friendly talent acquisition team is here to support you every step of the way, so if you require any accommodations or adjustments, we encourage you to reach out.

We understand that everyone's journey is different, and by having a private conversation we can ensure that our recruitment process is tailored to your needs.


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