Senior IT Security & Governance Leader

Onyx-Conseil; Greater London; Hybrid; GBP 75,000 - 85,000; Full time

Job summary

Onyx-Conseil is seeking an IT Security Manager in Central London with 5–8 years of proven expertise to lead information security across the organisation. You will advise corporate functions, drive security maturity, and ensure compliance with policies and standards while building strong relationships with senior stakeholders.

The role involves governance, risk, and collaboration with various business units, including security by design, third-party due diligence, and security awareness

Qualifications

• 5–8 years proven expertise in information security leadership roles.
• Experience presenting to senior stakeholders and championing ideas.
• Experience running information security risk governance processes and structures.
• Familiarity with ISO27001 and NIST CSF standards.
• Experience creating, implementing and assessing information security policies and standards.

Responsibilities

• Provide advice, support and guidance to all Company Corporate functions to assist them maintain information security maturity.
• Build networks and relationships across Company Corporate to promote Information Security.
• Act as subject matter expert on IT Security, including legal and regulatory compliance.
• Advise on controls and assist with development of standards aligned with Group security policies.
• Participate in BU projects, providing security assurance and governance.
• Support and encourage security by design across projects.
• Aid GRC to measure security compliance to policies.
• Drive BU/Divisional security roadmaps and address non-conformities.
• Coach and educate IT and Functions to increase security maturity.
• Be active in the Company's IS Security community.
• Produce, implement and standardise protocol/materials to support BU activities (asset registers, third party due diligence).
• Facilitate and chair security working group meetings.
• Engage with third party relationships to support the Company and affiliates.
• Assist procurement and tendering processes.
• Raise the security baseline controls and standardise where possible.
• Understand business requirements and align security to objectives.
• Support security operations to improve information security awareness (phishing campaigns).

Skills

Information security leadership

Stakeholder management

Risk governance

ISO27001

NIST CSF familiarity

Tools

Penetration testing

Job description

Onyx-Conseil is seeking an IT Security Manager in Central London with 5–8 years of proven expertise to lead information security across the organisation. You will advise corporate functions, drive security maturity, and ensure compliance with policies and standards while building strong relationships with senior stakeholders.

The role involves governance, risk, and collaboration with various business units, including security by design, third-party due diligence, and security awareness