Third-Party Assurance Manager

About the role

A leading financial services network is looking to appoint a Third-Party Assurance Manager or Senior Manager to join its growing Risk Advisory Services team. This is a single appointment, with the level and salary package dependent on experience. You’ll play a key role in delivering and developing the firm's Third-Party Assurance offering, managing a portfolio of client engagements and working closely with senior stakeholders.

Key responsibilities

• Lead the delivery of Third-Party Assurance and controls‑based assurance engagements.
• Plan and deliver engagements in line with recognised assurance standards, including ISAE 3000 and ISAE 3402.
• Manage client relationships and act as a key point of contact for senior stakeholders.
• Scope assurance activity using a risk‑based and proportionate approach.
• Review working papers and reports, ensuring high‑quality and technically robust outputs.
• Line manage, coach and develop junior team members.
• Manage engagement budgets, WIP and billing.
• Support Partners and Directors with client work and business development.

Required profile

• Proven experience delivering Third‑Party Assurance or controls‑based assurance engagements.
• Strong knowledge of assurance standards such as ISAE 3000 / ISAE 3402.
• Understanding of controls design, operating effectiveness and assurance reporting.
• Experience with complex, regulated, listed or not‑for‑profit organisations.
• Ability to lead engagements from planning through to reporting.
• Strong senior stakeholder and client management skills.
• Experience managing, coaching and developing others.
• Commercially aware with experience handling multiple engagements, budgets and priorities.
• Relevant professional qualification such as ACA, ACCA or equivalent.

Required skills

• ISAE 3000
• ISAE 3402
• AI testing tools