Senior Security Architect

We’re looking for a Senior Security Architect to join our growing Cyber Security practice within our Aerospace, Defence & Security (ADS) business. This is an opportunity to work across a diverse portfolio of client engagements, helping organisations design and deliver secure, resilient solutions in increasingly complex environments.

Working alongside experienced Managing Security Architects and cyber specialists, you’ll play a key role in embedding Secure by Design principles into client solutions, ensuring security is engineered from the outset rather than added as an afterthought.

Home based with travel to client sites.

You must be eligible for SC and DV Clearance,

What you’ll be doing:

• Supporting security architecture activities across a range of client engagements.
• Working with stakeholders to understand security requirements.
• Reviewing existing and proposed architectures to identify risks and recommend appropriate controls.
• Producing security architecture documentation, including high-level designs and security design artefacts.
• Conducting security gap analysis and supporting security assurance activities.
• Contributing to security aspects of bids and proposals.
• Collaborating with our Cyber Security Centre of Excellence to drive best practice and innovation.

• Experience working within a Security Architecture function, ideally across customer-facing engagements.
• Strong communication skills with the ability to explain complex security concepts to technical and non-technical audiences
• Experience designing and documenting security controls using a risk-based approach.
• Excellent stakeholder management and influencing skills.
• Strong analytical and problem-solving capabilities.
• Experience working alongside senior architects within structured delivery environments.
• A recognised cyber security qualification such as CISSP, CCSK or CCSP.

It would be great if you had:

• Knowledge of security architecture frameworks and methodologies, including:

• NIST. NCSC guidance. SABSA.

• Understanding of Secure by Design principles.
• Experience across one or more security domains, such as: Identity & Access Management (IAM). Infrastructure. Security. Data Security. Cloud Security.

Ready to make an impact? If you’re passionate about designing secure solutions, influencing complex programmes, and helping organisations stay ahead of evolving cyber threats, we’d love to hear from you. Join a team where your expertise will shape security strategies, drive innovation, and protect critical services across the Aerospace, Defence & Security sector.

Pulled from the full job description

• Annual leave
• Company pension

Sopra Steria’s Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client’s goal of National Security, and we operate in a unique and privileged environment.

We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK’s most complex safety- and security-critical markets.

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