Security Architect — Hybrid, Critical Infrastructure Leader

Atos; Gildersome; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Pension Scheme

Private medical cover

Income protection

Life assurance

25 days paid leave

Flex benefits program

Job summary

Atos in the United Kingdom offers a Security Architect role that drives security across large, multi-stakeholder infrastructure programmes. You will lead security architecture, risk assessment, and governance, ensuring secure-by-design delivery while collaborating with business leaders and customer stakeholders.

You will mentor engineers and shape security strategy, contributing to roadmaps and transformation initiatives within a Critical National Infrastructure context.

Qualifications

• Significant experience in information security or security architecture.
• Experience designing secure enterprise, cloud and hybrid environments.
• Understanding IAM, network security, cloud security, data protection.
• Knowledge of ISO 27001, NIST CSF, CIS Controls, NCSC guidance.
• Excellent stakeholder management and communication skills.

Responsibilities

• Develop and maintain security architectures and reference designs.
• Review designs for security-by-design compliance.
• Perform threat modelling and security risk assessments.
• Define security standards and governance practices.
• Engage with business leaders and customers as trusted advisor.
• Provide architectural support during security incidents.
• Mentor architects and promote security best practices.

Skills

Security architecture

Cloud security

Threat modelling

IAM

Governance

Stakeholder mgmt

Security design

Incident response

Job description

Atos in the United Kingdom offers a Security Architect role that drives security across large, multi-stakeholder infrastructure programmes. You will lead security architecture, risk assessment, and governance, ensuring secure-by-design delivery while collaborating with business leaders and customer stakeholders.

You will mentor engineers and shape security strategy, contributing to roadmaps and transformation initiatives within a Critical National Infrastructure context.