Membership Development Executive in London, England at CIBSE

About CIBSE

CIBSE (the Chartered Institution of Building Services Engineers) is the professional body that exists to advance and promote the art, science and practice of building services engineering, to invest in education and research, and to support our community of built environment professionals in their pursuit of excellence. We support building services engineers throughout their careers by setting standards, accrediting education and influencing industry and policy.

Working at CIBSE means being part of a collaborative organisation with a clear social purpose, where your work contributes to positive, real-world impact in a growing and evolving sector.

About the role

At CIBSE, we offer a collaborative and purpose-driven environment where your work contributes to a growing global professional community. As Membership Development Executive, you’ll play a key supporting role in driving membership growth by engaging with individuals and organisations and helping them navigate their journey into membership.

Working closely with the Senior Membership Development Manager, you’ll support the delivery of membership initiatives, manage enquiries, and build strong relationships with prospective members and partner organisations.

This role is ideal for someone who enjoys working with people, is highly organised, and wants to develop their skills in stakeholder engagement and membership growth, with the opportunity to take on more responsibility over time.

What you will do 

Key Responsibilities

Membership Development and Stakeholder Engagement

Support the delivery of CIBSE’s B2B membership growth activities, contributing to overall membership targets.Assist with the onboarding and support of new B2B member organisations and their employees.Carry out qualification checks and help map appropriate routes to membership.Prepare quotations and support administrative aspects of membership onboarding.Work closely with the Senior Membership Development Manager to support relationships with key companies.Assist in coordinating meetings and maintaining ongoing engagement with organisational partners.Provide support to international Membership Development Leads to ensure a consistent approach across regions.

Member Engagement

Act as a point of contact for membership enquiries via phone and email.Provide clear, accurate guidance on membership options and professional registration.Proactively follow up on enquiries and support individuals through the application process.Build and maintain positive relationships with prospective and existing members.

Operational & CRM Management

Maintain accurate records in Salesforce CRM, including member data, reporting and activity tracking.Support bulk uploads, invoicing and general data management tasks.Ensure all interactions and progress are recorded and up to date.

Wider Responsibilities

Respond to general membership and professional registration phone enquiries as part of the team rota.Help coordinate the annual awards and bursary programme, working with internal teams and external stakeholders.Collaborate with colleagues across the wider Membership and Marketing departments.Provide support across the department and contribute to wider Strategic Projects work.Represent CIBSE at ad hoc events, conferences and exhibitions.

Interactions 

Internal 

Work in a team which provides support for the Institution’s membership growth and development and liaise with the Membership and Registration, Networks and Engagement and Marketing teams as appropriate.  

External  

Provide advice and information to both individuals and Engineering/Construction companies to promote membership growth and retention with a particular focus on membership development.  

The above is not an exhaustive list of duties and you will be expected to perform other related tasks to meet the overall business objectives of the Institution.

What you will need to be successful

Skills, Knowledge & Experience

Essential

Strong communication skills, both written and verbal.Experience in a customer-facing or membership-based environment.Ability to build relationships and provide a high level of service.Highly organised with good attention to detail.Self-motivated with the ability to take initiative.Comfortable managing multiple tasks and priorities.

Desirable

Experience working in a professional membership organisation.Familiarity with CRM systems (e.g. Salesforce).Exposure to B2B environments or stakeholder coordination.Degree-level education.

What CIBSE offers you

A supportive and friendly working environment.Starting at 25 days Annual Leave increasing to 27 days with length of service, plus Bank Holidays.Contributory Pension Scheme.Family Friendly Leave.Three paid volunteering days per year.Annual Travel Season Ticket Loan.Cycle to Work Scheme.Life Assurance.Private Medical Insurance.Cash Plan – cash back for routine healthcare treatments.Health and Wellbeing benefits, including Mental Health support, and access to a 24/7 GP service.Shopping portal, rewards programme, and gym discounts.Referral Scheme.Hybrid Working where people are ‘in the office more days than they are not’.The chance to be part of an evolving, changing and exciting organisation that genuinely does change the world.

Application Process

To apply for this role, please include your CV and cover letter outlining how you feel you would be a great fit for the role.

Closing Date

The deadline for all applications is 17:00, Monday 22 June 2026.

The pay for this role is:

up to £35,000 per year (Farringdon)

We reserve the right to close this advert early if we receive sufficient applications. If you think you are a great fit for this role, please submit your application at the earliest opportunity.

The Institution is an equal opportunities employer. The post-holder will be expected to adhere to and support the Institution’s commitment to diversity, equality and inclusion.