Lead Enterprise Security Architect (Cybersecurity)

TL;DR

Lead Enterprise Security Architect (Cybersecurity): Own and define the organisation’s enterprise security architecture across IT, cloud and hybrid environments in a NIS2-regulated setting with an accent on secure-by-design principles, technical security standards, and authoritative oversight. Focus on reviewing and approving architecture decisions, integrating threat intelligence and resilience requirements, and translating regulatory demands into architectural controls.

Location: Hybrid working model in London or Manchester, United Kingdom

Company

International energy company anchored in Europe, delivering reliable energy solutions across the value chain from trading to storage, owned by the Federal Government of Germany.

What you will do

• Define and maintain enterprise security architecture across IT and cloud environments.
• Establish secure-by-design principles across all change initiatives and develop technical standards and patterns.
• Act as security design authority for major programmes, reviewing and approving architecture decisions.
• Oversee contract and project-based security architects, ensuring consistency and identifying weaknesses.
• Define architectures for identity, networks, endpoints, applications, and cloud.
• Integrate threat intelligence, testing, resilience, and NIS2 requirements into designs while collaborating with Enterprise Architecture, IT, and Security Operations.

Requirements

• Qualifications in Cybersecurity, Computer Science, IT, Engineering or related field.
• Extensive experience in security architecture in large-scale or regulated environments.
• Proven track record embedding secure-by-design principles and acting as design authority for major programmes.
• Strong background in identity, network, endpoint, cloud, application, and integration security.
• Experience in regulated or critical infrastructure environments (e.g., NIS2-aligned sectors).
• Strong analytical, review, decision-making, and communication skills with a pragmatic, collaborative mindset.

Nice to have

• Exposure to hybrid IT security architectures.

Culture & Benefits

• Competitive salary with bonus potential.
• Non-contributory pension (10% employer contribution), 25 days holiday plus bank holidays and volunteering days, buy/sell holidays.
• Life assurance, medical and dental insurance (family cover), range of flexible benefits.
• Hybrid working model and career growth opportunities through blended learning.