Membership Administrator

Institute of Materials, Minerals & Mining

• Contract type
• Full-time/Permanent
• Location
• Grantham, UK
• Closing date
• 10 Dec 2025
• Salary
• Circa £25k

IOM3 is the leading membership organisation for the materials, minerals and mining sectors. This new role will provide administrative support to the Membership Process and Membership Development teams, as well as to the Director of Membership. It will also oversee the management of the Grantham office, ensuring a clean, safe, modern and welcoming environment for our staff, learners and guests.

The ideal candidate will have strong organisational and administrative skills, with a keen eye for detail and excellent customer service.

Our team excellent benefits package including:

• Generous holiday (30 days + bank holiday)
• Life assurance
• Health benefits, including flu jabs and a cash health plan
• Shopping and cinema discounts
• Gym discounts or online classes

Responsibilities:

Membership

• Support the membership onboarding and subscriptions processes including arrangements for dealing with sanctioned and lapsed members and renewals
• Support finance processes including those relating to reciprocal agreements and bulk invoicing
• Update information on the Member Database and produce reports as required
• Management of membership subscriptions enquiries

Licensed activity

• Support the management of scrutineering, professional review interviews and CPD audit
• Update information on internal and external databases and produce reports as required
• Carry out due diligence checks with support from the Head of Membership

General

• This role is based in Grantham, 4 days per week (Fridays working remotely)
• Management of the Grantham office building
• Working with the Business Support Team in London to support onsite at events in Grantham for example, rooms layouts, catering etc team events.
• Other duties appropriate to the role and other IOM3 activities that from time to time may be necessary

Don’t meet every requirement? Studies have shown that women, people of colour and those who are disabled (physical, invisible or neurodivergent conditions) are less likely to apply to jobs unless they meet every single qualification. IOM3 is a forward-looking, diverse and inclusive Institute, so if you’re excited about this role but your experience doesn’t align perfectly with every qualification in the role description, we encourage you to apply anyway. You may just be the right candidate for this or other roles. Should you need reasonable adjustments, please do not hesitate to contact to us make suitable arrangements.

For more information or to apply please contact Collette Marriott, Director of Business Support recruitment@iom3.org by 10 December 2025. Interviews will be held in person at our Grantham Hub on Tuesday 6 January 2026. 

At IOM3, we're committed to creating a positive, inclusive and supportive working environment. We believe in investing in our team’s well-being and development, and this belief forms the core basis of our benefits package.