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Senior Infosec Manager - Perm - 3rd party Assurance

Senior Infosec Manager - Perm - 3rd party Assurance

On site

London, United kingdom

Senior

Full Time

03-12-2025

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Skills

Communication Leadership Negotiation Coaching

Job Specifications

Senior Infosec Manager - Perm - 3rd party Assurance

Location: London (Hybrid: 2 days/week in office)
Permanent/Full-time

A leading international law and professional services firm is seeking a Senior Manager to lead its Third Party Assurance function within the Information Security team. This is a leadership position, reporting to the Chief Information Security Officer (CISO), and is critical for maintaining ISO 27001 certification and delivering excellence in supplier assurance and client due diligence. You will manage a small team and build best-in-class capability across all security domains.

Key Responsibilities
Champion and embed the Supplier Assurance Security Model
Produce management information for the CISO, including trends, process gaps, and recommendations
Manage client requests and due diligence questionnaires professionally and efficiently
Lead Supplier Assurance governance forums
Tailor and manage the Third-Party Security Schedule, including supplier negotiations
Negotiate robust security clauses in contracts
Provide evidence for audits and ISO 27001 certification
Support other internal and external audits as required
Build, coach, and motivate a high-performance teamRequirements:

Solid experience as a leader in Information Security Supplier Assurance
Previous experience in medium to large legal or financial services organisations
Proven understanding of all information security domains
Cyber security certifications (CISSP, CISM, ISO 27001) are desirable
Strong people leadership and management skills, including coaching and performance enhancement
Excellent negotiation, written, and verbal communication skills
You'll be part of a globally mandated Information Security team, trusted and empowered to deliver, with a culture that values diversity and professional growth. The team manages security across ten offices worldwide, covering Security Operations, GRC, Identity, and third-party security.

Apply with an up-to-date CV to learn more!
Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

About the Company

Lorien is a technology, transformation and telecom talent solutions specialist. We combine tech expertise with the scope, depth and breadth of large-scale talent solutions. Driven by both clients and candidates, covering Europe and the US, we work with all sectors, sizes and tech needs – from start-up to established, tech companies and those who use tech to propel them further - we work with them all. Our unique position in the market means we have the insight to create tailored solutions – keeping our clients ahead of t... Know more