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Security Architect

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Whitehall Resources Ltd

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Location:
United Kingdom , City of London

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Define, govern, and assure the enterprise cyber security architecture across business, IT, cloud, OT and emerging technology domains. Act as an Enterprise Architect for Cyber and a design authority for cyber security, ensuring that security controls, platforms and patterns are aligned to business strategy, Cyber Strategy, and Enterprise Architecture Principals. The role is strategic and architectural, not operational. To translate business and risk demands into architectural direction, influence design decisions through governance forums, and work closely with the Enterprise Security Office (ESO), IT Architecture, OT, and third-party partners to ensure solutions are secure by design. Not to own BAU security operations or delivery. Instead, provide the guidance, and reference architectures and decision to support.

Job Responsibility:

  • Define, govern, and assure the enterprise cyber security architecture across business, IT, cloud, OT and emerging technology domains
  • Act as an Enterprise Architect for Cyber and a design authority for cyber security
  • Translate business and risk demands into architectural direction
  • Influence design decisions through governance forums
  • Work closely with the Enterprise Security Office (ESO), IT Architecture, OT, and third-party partners
  • Shape forward looking cyber architecture strategy
  • Maintain Cyber Principals in LeanIX and Confluence
  • Maintain Capability to Application maps
  • Create Sub strategies and thought leadership for cyber domains
  • Provide expert input into AI and digital governance forums
  • Act as a cyber adviser to programmes and individuals/ teams
  • Maintain Application Portfolio Management for Cyber Security
  • Define cyber security reference architectures and standards
  • Review and approve security architecture decisions
  • Drive Cloud security improvements following the Cloud Security Posture Assessment
  • Act as a standing cyber architecture authority in design and investment forums
  • Provide architectural risk assessments and trade off decisions
  • Lead and shape cyber input into the wider Enterprise Architecture function
  • Chair or actively contribute to internal EA sessions
  • Write White papers for thought leadership
  • Represent cyber architecture in cross domain forums
  • Engage with internal stakeholders providing early Security insight
  • Engage with strategic vendors and advisors
  • Sponsor and support security community activity
  • Global mentoring through Mentor Match

Requirements:

  • Define, govern, and assure the enterprise cyber security architecture across business, IT, cloud, OT and emerging technology domains
  • Act as an Enterprise Architect for Cyber and a design authority for cyber security
  • Ensure security controls, platforms and patterns are aligned to business strategy, Cyber Strategy, and Enterprise Architecture Principals
  • Translate business and risk demands into architectural direction
  • Influence design decisions through governance forums
  • Work closely with the Enterprise Security Office (ESO), IT Architecture, OT, and third-party partners
  • Maintain Cyber Principals in LeanIX and Confluence
  • Maintain Capability to Application maps
  • Create Sub strategies and thought leadership for cyber domains – AI identity, Exposure management, OT security, Human Identity, Micro Segmentation
  • Provide expert input into AI and digital governance forums
  • Act as a cyber adviser to programmes and individuals/ teams
  • Maintain Application Portfolio Management for Cyber Security
  • Define cyber security reference architectures and standards covering cloud, enterprise IT and OT
  • Review and approve security architecture decisions through formal governance boards
  • Drive Cloud security improvements following the Cloud Security Posture Assessment
  • Act as a standing cyber architecture authority in design and investment forums
  • Provide architectural risk assessments and trade off decisions
  • Lead and shape cyber input into the wider Enterprise Architecture function
  • Chair or actively contribute to internal EA sessions
  • Write White papers for thought leadership
  • Represent cyber architecture in cross domain forums spanning IT, OT and business technology
  • Engage with internal stakeholders providing early Security insight into planned projects and activity
  • Engage with strategic vendors and advisors to shape roadmap level decisions
  • Sponsor and support security community activity
  • Global mentoring through Mentor Match

Additional Information:

Job Posted:
May 03, 2026

Work Type:
Remote work
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