Asset Management- Third Party Oversight Manager in Slough

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 UK's 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.

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.
• 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.
• 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, ensuring evidence is complete, challenged where required, and actions tracked to closure.
• 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.
• 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.

About you:

• 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.

We offer:

• A company pension - 9% non-contributory or 10% if you contribute 5%
• Private medical insurance – Individual on joining, family after 1 year's service
• Life assurance - 8 x salary
• Income protection – 75 % salary
• Company share scheme
• Flexible holidays – purchase up to 5 additional days
• Discretionary bonus
• Green Car Scheme
• Family friendly policies – enhanced family leave for parents & carers
• Study support – study days and funding for courses and qualifications
• Season travel ticket loans
• Volunteering days
• Gym discounts
• Other voluntary benefits you can choose to suit you

Our employees can choose to take part in various social groups and communities to support their wellbeing, growth, development and sense of community.

We aim to become an employer of choice for the wealth management sector, to achieve this we are working hard to build a diverse, equal, and inclusive workplace that motivates, develops and embraces the strengths of all our colleagues. Being part of Rathbones means you will join a team of passionate professionals in a successful culture that cares for its people. At Rathbones, we provide meaningful work, opportunities, and a voice to all. We are committed to building a team that is made up of diverse skills, experiences and abilities and encourage applications from all backgrounds. We welcome individuals who share our values.

We're a Level 1 Disability Confident employer under the UK Government scheme. This means we've signed up to a set of commitments around how we recruit, retain and develop people with disabilities.

If you feel there are any reasonable adjustments that would make the process easier for you and help you to perform at your best whether that is due to disability, neurodiversity or other protected characteristic, just let us know by emailing us.

Mission:

We believe in playing the long game. That means building consistent results, earning trust and doing the right thing — for our clients, our colleagues and the communities we're part of. Our values shape how we work:

• We aim high
• We get it done
• We show we care
• We do the right thing

These aren't just words on a wall. They guide how we treat each other, how we make decisions and how we build relationships that last.

We will close this advert once we have received enough applications for the next stage. Please submit your application as soon as possible to ensure you don't miss out.