Security Architect Job at Whitehall Resources Ltd (City of London)

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

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Security Architect

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