People and Culture Assistant in London

With over 110,000 members in 140 countries, the Institution of Mechanical Engineers (IMechE) has been at the heart of the mechanical engineering profession since 1847. We strive to improve the world through engineering by developing engineers, promoting engineering, informing opinion and encouraging innovation.

We are proud to have achieved workplace accreditations - Invest in People Gold and Invest in Wellbeing Silver. These awards reflect our organisation's commitment to our employees, who are a vital part of supporting the engineering community.

We are now seeking a motivated People and Culture (P&C) Assistant to join us on a full-time, permanent basis. This is a fantastic opportunity to become part of a dynamic, forward-thinking team where your ideas are valued, your growth is supported, and your work truly makes an impact.

As a P&C Assistant, you will provide high-quality HR administration that underpins effective people support across our organisation. Working closely with our P&C Business Partners and the wider team, you will manage the employee lifecycle from onboarding to offboarding, maintain accurate records, and act as a key point of contact for employee queries. You will support inductions and training activities, keep documentation up to date, and ensure managers and employees receive timely, professional guidance aligned with policies and best practices.

Additionally, you will:

• Lead our monthly payroll administration, facilitating necessary reports and other payroll-related tasks such as the annual P11d process
• Liaise with Finance and external auditors, supporting reporting, processing invoices and assisting with audit activity
• Act as an IRIS Cascade superuser, maintaining records, producing HR data-driven reports, and providing guidance and training to managers and employees
• Manage administrative tasks for new starters, leavers and employee-related changes

To be considered as a P&C Assistant, you will need:

• Experience leading administration within an HR and payroll environment
• Experience using HR Information Systems for administration and reporting purposes
• Experience using Microsoft Office products, including intermediate to advanced Excel and PowerPoint skills
• Experience achieving a high level of customer care in a customer-focused environment
• Good communication, organisational and time-management skills
• Good numeracy skills with attention to detail
• To be educated to GCSE level, at a minimum, with five passes, including English and Maths

The Benefits:

• Salary of circa £33,000 per annum, depending on experience
• 26 days holiday per annum plus bank holidays
• Benefits, including stakeholder pension scheme, life assurance, birthday leave, and optional private health cover
• Other benefits as detailed in our generous and competitive benefits package

This is a terrific opportunity for a motivated, detail-driven HR administrator with solid payroll experience to join our people-centred organisation. In return for your expertise, you will enjoy a supportive, hybrid working environment, strong wellbeing and people-first values, alongside the satisfaction of contributing to an organisation that exists to improve the world through engineering, while being genuinely invested in its people.

So, if you want to take the next step in your career and join us as our P&C Assistant, please apply via the button shown. The closing date for this role is 20th February 2026. Due to this recruitment being time sensitive, applications will be reviewed on a rolling basis, and the vacancy may close early if sufficient applications are received. An immediate start will be available for the right candidate.

This vacancy is being advertised by Webrecruit. The services advertised by Webrecruit are those of an Employment Agency. Webrecruit and the Institution of Mechanical Engineers are equal opportunities employers, value diversity and are strongly committed to providing equal employment opportunities for all employees and all applicants for employment. Equal opportunities are the only acceptable way to conduct business, and we believe that the more inclusive our environments are, the better our work will be.