Asset Management- Third Party Oversight Manager

Role

Title:

Third-Party Oversight Manager, In this high-impact role, you’ll take ownership of Rathbones Asset Management's supplier landscape, ensuring the partners we rely on deliver consistently strong outcomes for our clients and business. Acting as the first line of oversight, you’ll shape and operate a risk-based supplier governance framework, making sure our most critical providers are managed with the right level of rigour, control and insight.

You’ll play a pivotal role in strengthening how we work with our suppliers, from onboarding and governance through to performance, risk management and continuous improvement, giving you real visibility, influence and the opportunity to drive meaningful change across the organisation.

What you’ll be responsible for

• Supplier ownership and oversight
• Own the day-to-day internal and non-material external supplier relationships, including performance, service quality, incidents and remediation.
• Design and operate a criticality-based supplier oversight framework, ensuring proportional governance, controls and reporting.
• Establish and maintain a clear supplier ownership model, defining relationship owners, operational owners and escalation routes.

CAMMs and Supplier Inventory

• Maintain an accurate supplier inventory in CAMMs, including supplier criticality and rationale, ownership and governance routing, services provided and dependencies and SLA/KPI and attestation requirements.

SLA, performance and control assurance

• Monitor and manage SLA/KPI performance, ensuring regular performance reviews, clear issue tracking and root-cause analysis and timely remediation and escalation of persistent issues.

Define, request and review supplier attestations

• Define, request and review supplier attestations, ensuring evidence is complete, challenged where required, and actions tracked to closure.

Supplier Onboarding

• Own the end-to‑end onboarding of new suppliers, ensuring criticality and risk assessment is completed, ownership and governance are established and SLAs, reporting and escalation routes are in place.

Governance and reporting

• Provide concise, decision-focused reporting to the Outsourcing Governance Committee covering supplier inventory and onboarding, performance and SLA outcomes, attestations and key themes and incidents, risks and remediation progress.
• Escalate material supplier risks, control gaps and service failures in line with governance expectations.

Experience

• Experience in supplier management, outsourcing oversight or vendor governance in a regulated environment.
• Strong experience managing SLAs, performance reviews and service remediation.
• Strong stakeholder management and clear written communication skills.
• Ability to run a control-focused oversight model with a clear evidence trail.
• Ability to think logically through complex problems.
• Excellent communication and relationship building skills.
• Good attention to detail and accuracy.
• Good organisational and time management skills.

At Rathbones, we help people invest their money well, so they can live well. That means more than financial returns it’s about helping people feel confident in their decisions and supported in their future. We don’t just manage money, we guide people through life's big moments, helping them stay on track and focus on what matters most.

We’re proud to be one of the UKs leading wealth managers, with £120.7bn in funds under management and administration (as of June 2026) and 20+ offices across the UK and Channel Islands. We’re a FTSE 250 company with national reach and a local feel and we’re growing.

Our offer to you

We want everyone at Rathbones to fulfil their potential, in an environment where you are proud to work and feel like you belong.

We offer a comprehensive remuneration package, which…