Information Security Officer (Cloud Security) in London

• Information Security Officer (Cloud Security)
• London, United Kingdom | Posted on 08/07/2026

Contract Role

Information Security Officer (Cloud Security)

Contract Location

London/Belfast (Hybrid)

Contract Duration

6 months initially (with potential extension)

Contract Start Date

Immediate

Contract Classification

• Inside IR35
• Daily Rate breakdown

Traditional Daily Rate

£450

Deloitte is supporting a Tier 1 Global Bank in hiring experienced Information Security Officers to lead cloud security governance, security architecture and cyber risk management across large-scale technology platforms.

This is a senior security role responsible for driving secure-by-design principles, identifying cyber risks and ensuring compliance with enterprise security policies.

Key Responsibilities

• Lead Information Security activities across supported technology and infrastructure functions.
• Identify opportunities to automate and standardise security controls.
• Identify, investigate and remediate security vulnerabilities across infrastructure and applications.
• Analyse source code to identify and mitigate security weaknesses.
• Review automated security testing results and prioritise remediation based on risk.
• Perform manual and automated security testing where required.
• Conduct Information Security risk assessments.
• Analyse root causes of vulnerabilities and recommend corrective actions.
• Work with engineering and business teams to deliver secure technical solutions.
• Contribute to enterprise security architecture across major technology programmes.
• Ensure cloud architectures align with corporate security policies and industry best practices.
• Assess security risks and define compensating controls where required.
• Translate business requirements into secure technical solutions.
• Recommend secure infrastructure platforms and cloud architectures.
• Influence security strategy and architectural decisions.
• Provide technical leadership across complex cloud security initiatives.

Qualifications

• Minimum 6 years’ IT experience, including at least 4 years in Cyber Security/Information Security across cloud and on-premises environments.
• Minimum 2 years securing AWS and/or GCP cloud environments.
• Experience conducting Information Security Risk Assessments and Security Governance.
• Strong understanding of AWS Well-Architected Framework and Google Cloud Security Command Center.
• Strong knowledge of AWS and GCP IAM security models.
• In-depth knowledge of cloud infrastructure including VPC, EC2, S3, Cloud Storage and Compute Engine.
• Familiarity with NIST, ISO 27001 and CSA STAR compliance frameworks.
• Experience engaging with Information Security, Risk, Control & Compliance, Architecture and Project teams.
• Demonstrated expertise in Threat Modelling methodologies such as STRIDE, PASTA or MITRE ATT&CK/ATLAS.
• Strong understanding of authentication, authorisation, encryption, logging & monitoring, infrastructure security and network segmentation.
• Ability to design and review secure technical architectures.
• Experience reviewing Infrastructure as Code using Terraform and/or Cloud Formation.
• Strong understanding of SDLC and CI/CD pipelines.
• Associate or Professional AWS or GCP Cloud Certification (mandatory).
• Associate or Professional Cyber Security Certification (mandatory).
• Excellent communication and influencing skills.
• Strong stakeholder and relationship management.
• Excellent analytical and problem-solving capability.
• Self‑motivated with the ability to lead complex security initiatives.
• Strong technical documentation and presentation skills.
• Bachelor’s degree in Computer Science, Cyber Security or related discipline (or equivalent experience).
• CISSP, CISM or CCSP highly desirable.
• AWS Solutions Architect or Google Professional Cloud Security Engineer certifications are advantageous.
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