Security Architecture & Assurance Lead (Governance)

Atos; United Kingdom; On-site; GBP 75,000 - 110,000; Full time

Job summary

Atos is seeking a Security Architect to join the Security Governance capability in regulated UK Government and financial services environments. You will provide independent security reviews, governance oversight, risk assessments and assurance across programmes and suppliers, ensuring security-by-design and compliance with industry standards.

You will work with other security architects and assurance managers to balance security, business and operational priorities, delivering defensible

Qualifications

• Significant experience within information security, cyber security, information security architecture, or DevOps.
• Experience providing security assurance, architecture reviews, or governance oversight.
• Strong understanding of security risk management and security control frameworks.
• Experience reviewing cloud, SaaS and enterprise technology architectures.
• Excellent stakeholder management, communication, and influencing skills.

Responsibilities

• Security Governance: Participate in Architecture Review Boards and provide review/security sign-off in line with governance requirements.
• Security Governance: Define and enforce secure architecture standards, reference patterns, and mandatory security controls.
• Security Architecture Assurance: Review/approve security-relevant designs and major technical changes.
• Security Architecture Assurance: Act as a security design authority across infrastructure, platforms, and applications.
• Security Architecture Assurance: Conduct independent security architecture reviews and assess designs against security standards, policies and control frameworks.
• Security Risk Management: Perform security risk assessments (to identify vulnerabilities), threat assessments, and support risk treatment decisions.
• Supplier and Cloud Assurance: Assess third-party suppliers, SaaS platforms and cloud services using assurance evidence and independent testing reports.
• Compliance and Regulatory Assurance: Ensure alignment with NIST CSF, NCSC guidance, CIS Controls, ISO/IEC 27001, UK GDPR, UK Gov. Security Classifications.
• Security Assurance: Coordinate and support IT Health Checks (ITHCs), ensure findings are reviewed, risk-assessed, and remediated through appropriate governance processes.
• Security Advisory: Provide pragmatic security guidance and act as a trusted adviser to delivery and business stakeholders.

Skills

Information security

Security architecture

Security assurance

Architecture reviews

Governance oversight

Risk management

Cloud/SaaS architectures

Stakeholder management

Communication skills

Education

CCSP

Job description

Atos is seeking a Security Architect to join the Security Governance capability in regulated UK Government and financial services environments. You will provide independent security reviews, governance oversight, risk assessments and assurance across programmes and suppliers, ensuring security-by-design and compliance with industry standards.

You will work with other security architects and assurance managers to balance security, business and operational priorities, delivering defensible