Senior Executive Assistant

Salary: £37,204 plus London Weighting Allowance of £3,353

Permanent, Full Time - 35 hours per week

About Us

Prospect is the trade union of choice for over 165,000 professionals, specialists and managers from across the UK. Our members vary from nuclear physicists and engineers to film directors and cinematographers – with many more in between. For each of these members we provide advice, support, and representation. Join us and you can make a real difference to the lives of working people.

About the Role

Prospect is seeking an experienced and highly organised Senior Executive Assistant to the General Secretary to provide trusted executive support at the heart of the union.

This is a pivotal role responsible for the administration and coordination of the General Secretary's Office, ensuring the effective management of priorities, communications, commitments, and governance responsibilities.

Working closely with the General Secretary and senior colleagues, you will help ensure the smooth running of the office and support Prospect's work representing members at the highest levels. You will be responsible for managing complex diaries and travel arrangements, coordinating key meetings and governance activities, overseeing correspondence and mailbox management, and supporting the delivery of events and official engagements.

The role requires excellent judgement, discretion, and professionalism, with the ability to handle sensitive and confidential information appropriately.

As a key point of contact for internal and external stakeholders, you will build effective working relationships across the organisation and beyond, ensuring a high standard of service and support. You will be proactive, adaptable, and solutions-focused, taking ownership of competing priorities and helping to ensure that the General Secretary is supported to operate effectively and efficiently.

This is an exciting opportunity for an experienced Executive Assistant looking to make a real impact.

Working directly with the General Secretary, you will gain unique insight into the leadership and governance of a major trade union while building relationships with senior

stakeholders across the organisation and beyond. No two days are the same, making this an ideal role for someone who enjoys variety, responsibility and working in a fast-paced environment where their contribution is highly valued.

If you are a highly organised, proactive, and professional Executive Assistant who thrives in a busy environment and enjoys supporting senior leaders, we would love to hear from you.

Specifically, applicants should have:

Experience in:

• Providing executive or senior-level administrative support.
• Managing complex diaries, scheduling meetings and coordinating travel arrangements.
• Processing and administering expenses accurately and efficiently.
• Working with senior stakeholders, senior managers and external partners.
• Handling highly confidential and sensitive information with discretion and professionalism.
• Working within a trade union, membership organisation or similar representative body is desirable.
• Capturing, maintaining, and inputting detailed information and records with a high degree of accuracy.
• Liaising directly with members, customers or stakeholders and delivering excellent customer service.
• Working proactively, managing competing priorities and organising their own workload effectively.
• A sound understanding of GDPR requirements and experience maintaining confidentiality and data security.
• Excellent written and verbal communication skills, with the ability to communicate confidently at all levels.
• Strong organisational and time-management skills, with the ability to prioritise work and meet deadlines in a fast-paced environment.
• Strong IT skills, including proficiency in Microsoft Office applications, Microsoft Teams and Zoom, and the ability to learn new systems and digital platforms quickly.
• Excellent team-working and interpersonal skills.

We would recommend reviewing the Job Specification linked at the bottom of this advert.

If you have any questions please contact: peopleandops@prospect.org.uk.

Closing date: Monday 28 September – NOON (CVs alone will not be accepted)

Interviews will be held on Thursday 8 October 2026 in our London office.

Prospect Union is committed to create a diverse environment and is a proud Equal Opportunity Employer. All our applicants will be given careful consideration for employment regardless to race, colour, religion, sex, physical and mental disability, age, citizenship, pregnancy, genetic information, veteran status, gender identity, gender expression, sexual orientation, national origin, and any other protected status.

London

About us

Prospect is a leading trade union that delivers advice, support, representation and a voice for our members. We are a not-for-profit organisation with over 250 staff helping to support more than 150,000 people in specialist, professional and technical roles across the private and public sectors. The Bectu Sector of Prospect represents both employees and freelancers working in Film, TV, Broadcasting and theatre and live events.

Our members want to get on at work. They work in a diverse range of professions, including energy, science, engineering, heritage, defence, entertainment and digital. As a union for modern working life we aim to get the best deal for our members by using evidence and building partnerships – while never being scared to call employers out when they get things wrong.

Our priorities are to grow our membership through attracting new members and to improve our impact, whether that is helping members win improvements at work or changing the policy environment which affects them.

Diversity is an important value for the trade union movement, and as an organisation we are passionate about promoting equality and equity at work and are committed to it for all our staff; we would be particularly interested in applications from groups that are underrepresented in the workplace.

Prospect is a great place to work - We offer a good work-life balance, flexible working options and offer support for learning and development.