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Office assistant

London
Thornton Tomasetti
Office assistant
Posted: 16 February
Offer description

Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career.


The Role

As the Office Assistant, you’ll be the face of our London office, supporting engineers, managing administrative tasks, and ensuring a welcoming, efficient workspace. This is an office-based role.


Responsibilities

* Coordinate RFPs/proposals with Marketing and track submissions in Microsoft Dynamics.
* Manage client follow-ups for proposals, contracts, and invoices to ensure timely responses and completion.
* Provide administrative support on complex projects, including invoicing and expenses tracking.
* Support the Office Manager with daily office operations – including greeting visitors, receiving deliveries, answering calls, monitoring supplies and booking meeting rooms.
* Maintain a clean, organised and well‑maintained office environment.
* Assist the Office Manager with coordinating catering and preparing meeting rooms for lunch meetings, training sessions/presentations, along with larger in‑house events.


Requirements

* 2+ years of experience in administration or team coordination.
* Proven ability to multitask, prioritize, and solve problems proactively.
* Strong interpersonal and communication skills.
* Proficiency in Microsoft Office Suite.
* Highly organised and adaptable to shifting priorities.
* First Aid qualified would be advantageous.

Thornton Tomasetti is proud to be an equal employment workplace. Individuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, colour, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws.

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