Assistant Human Capital Manager

Job description

At Oliver Wyman, a Marsh (NYSE: MRSH) business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their most defining transformative moments.

As a business of Marsh, we work alongside the world’s leading experts across risk, reinsurance and capital, people and investments, and management consulting. Together with Marsh Risk, Guy Carpenter, and Mercer, we help organizations build resilience and competitive advantages from every angle. With annual revenue over $24 billion and more than 90,000 colleagues in 130 countries, Marsh helps build the confidence to thrive through the power of perspective.

For more information, visit

oliverwyman.com

, or follow us on

LinkedIn

and

X

.

The Opportunity:

As an Assistant Human Capital Manager, you will be part of the HC Operations team that deliver proactive and business focused HC advice and services for the UK and Ireland (a headcount circa 700).

The role has an employee relations focus, but other responsibilities include performance management support, program, policy and procedure development and implementation. The role entails working closely with the MMC shared service providers for payroll and benefits escalations.

The hours for this role are 9am-6pm, including one hour for lunch.

**This is a hybrid role that will require a presence in the London office at least 3 days per week.**

Key Responsibilities:

• Consulting with management/stakeholders and provide support and daily HC guidance.
• Providing counsel on complex employee relations matters.
• Managing ER case work from end to end, providing pragmatic advice and guidance.
• Delivering training and coaching on ER Related matters.
• Providing HC policy guidance.
• Being the point of escalation for the HC Coordinators and the HC Generalist on complex operational issues.
• Driving continuous improvement in ER policies and processes, ensuring they remain fit for purpose.
• Coaching and upskilling managers in handling employee relations matters confidently and effectively.
• Managing flexible working requests and appeal proceedings from end to end
• Updating Policies & Procedures as needed.
• Supporting on internal and external audits.
• Supporting HR leadership on projects as required.

Skills & Experience Required:

• Previous Human Resources experience within a HR Manager or Business partner capacity.
• Strong employee relations experience.
• Previous experience working in a professional services environment preferred, but previous experience from another large company will also be considered.
• You’ll have the ability to be productive, flexible and to simultaneously manage multiple project priorities in a complex, performance-driven environment.
• You will be educated to at least Bachelor’s degree level.
• You will be CIPD qualified at a level 7.
• Strong proficiency in Microsoft Office, particularly in Word, Excel and PowerPoint is required.
• Experience in Workday is desirable.

Your Skills and Attributes:

• You’ll be driven to provide a high level of service in a fast-paced environment
• You work effectively autonomously and in a team environment
• Strong client relationship skills; the ability to establish positive, cooperative working relationship, both internal and external are essential
• Strong written and verbal communication skills, as well as good problem-solving skills and professional judgment are expected
• You’ll be a self-starter with a strong work ethic and an ability to work with minimal oversight
• You’ll have the ability to professionally represent the department and the company and serve as a role model to all employees, exemplifying Oliver Wyman Values.

Why Join Us?

At Oliver Wyman, we are committed to creating a diverse and inclusive environment where everyone can thrive. We value collaboration, integrity, and excellence, and we encourage our team members to bring their authentic selves to work. Our culture promotes continuous learning and development, providing opportunities for growth and advancement within the firm.

We offer competitive compensation, comprehensive benefits, and a flexible work environment that supports work-life balance. Join us in making a difference for our clients and communities while advancing your career in a supportive and innovative setting.

Oliver Wyman is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

01-03-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English