Senior Administrative Assistant

12-month+ contract, Marlow, 24 hours over 4 days, Flexible hours to support school runs, Office-based role with a leading global organisation. Excellent opportunity for an experienced Administrator to support senior…

Pay rate £30,750 – £40,000/year
Contract type Contract
Posted 23 September 2026

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About this contract

12-month+ contract, Marlow, 24 hours over 4 days, Flexible hours to support school runs, Office-based role with a leading global organisation. Excellent opportunity for an experienced Administrator to support senior managers, coordinate meetings, travel and onboarding activities.

Senior Administrative Assistant

Salary: £30,750 - £40k

Marlow, Buckinghamshire

13-Month Contract 24 Hours per Week (6 Hours per Day, Monday to Thursday)

Office-Based with Flexible Working Hours

Our client, a highly respected organisation operating within a research and development environment, is seeking an experienced Senior Administrative Assistant to provide efficient administrative and business support to managers and wider teams.

This is an excellent opportunity for a proactive, organised and professional administrator who thrives in a fast-paced environment and enjoys working with a variety of stakeholders.

Key Responsibilities

* Managing complex calendars and scheduling meetings

* Organising travel arrangements and processing expenses

* Coordinating meetings, visits and event logistics

* Producing and formatting presentations, spreadsheets and documents

* Maintaining departmental records, distribution lists and online filing systems

* Supporting onboarding and offboarding activities for employees and contractors

* Assisting with interview coordination and recruitment logistics

* Ordering office supplies and equipment

* Providing administrative support across multiple projects

* Acting as a knowledgeable point of contact for internal processes and procedures

* Collaborating with colleagues to ensure seamless administrative support

What We're Looking For

* Minimum 3 years' administrative experience

* Strong Microsoft Office skills, including Word, Excel and PowerPoint

* Excellent written and verbal communication skills

* Strong organisational and time management abilities

* Ability to manage multiple priorities with minimal supervision

* Professional, discreet and highly dependable approach

* Experience supporting senior leaders or R&D teams would be advantageous

* A-level, associate degree or bachelor’s Degree desirable

Why Join Our Client?

* Flexible working hours

* Supportive and collaborative team environment

* Opportunity to work within an innovative and highly regarded organisation

* Varied and engaging workload

* Long-term contract opportunity

Morgan Jones is committed to creating a diverse and inclusive environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

About Morgan Jones:

Morgan Jones Limited acts as an employment agency. By applying, you accept the Terms & Conditions as well as the Privacy, Cookie, and Data Retention Policy, which can be found on our website.

Due to the high volume of applicants, we advise that if you have not heard back from us within 72 hours, please assume that you have been unsuccessful on this occasion.

To view other great opportunities, visit our website or follow Morgan Jones on your favourite social networks: Facebook, Instagram, Twitter, or LinkedIn

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