Executive Assistant & Office Lead

Job Description

We are seeking an experienced and highly professional Executive Assistant & Office Lead to provide strategic support to our CEO and CFO while leading our Executive Support and Office Operations function in London.

This is a pivotal role that combines senior executive support, people leadership, and office management responsibility.

Acting as a trusted partner to senior leadership, you will ensure the smooth running of executive activities, lead and develop a small support team, and oversee the effective operation of the London office in Chancery Lane.

The successful candidate will thrive in a fast-paced environment, demonstrate exceptional organisational skills, and possess the confidence and judgement required to engage with stakeholders at all levels.

• Executive Support
• Provide high-level Executive Assistant support to the CEO, CFO and VP HR.
• Manage complex diaries, meetings, travel arrangements and correspondence.
• Prepare professional presentations, reports, briefing packs and meeting materials.
• Act as a trusted point of contact for senior internal and external stakeholders.
• Anticipate executive needs, proactively managing priorities and changing demands.
• Maintain the highest levels of professionalism, discretion and confidentiality.
• Team Leadership
• Lead, coach and develop the Executive Assistant and Office Support team.
• Allocate workloads and responsibilities to ensure effective coverage and service delivery.
• Drive high performance, collaboration and continuous development across the team.
• Establish and maintain consistent support standards and best practices.
• Office Leadership
• Take overall responsibility for the effective day‑to‑day operation of the London office.
• Manage relationships with facilities providers, building management, IT support, catering and other key suppliers.
• Oversee office budgets, approvals and supplier invoices, ensuring cost‑effective service delivery.
• Ensure office facilities, supplies and workspaces support business needs.
• Lead health and safety activities and ensure compliance with workplace regulations.
• Identify opportunities to improve workplace processes and employee experience.
• Front‑of‑House Oversight
• Ensure a professional and welcoming experience for visitors, clients and stakeholders.
• Maintain high standards of reception and office support services.
• Act as the escalation point for facilities, reception and service‑related matters.
• Support onboarding activities and contribute to creating a positive workplace culture.

Why Join Us?

This role offers a unique opportunity to work closely with senior leadership while shaping the effectiveness of the Executive Support function and overall workplace experience.

You will play a key role in supporting business performance, developing a high‑performing team, and ensuring the London office operates to the highest professional standards.

If you are an experienced Executive Assistant looking for a broader leadership opportunity with real impact, we would love to hear from you.

Qualifications

You will be an experienced Executive Assistant who combines exceptional organisational capability with strong leadership and operational skills.

• You'll Bring
• Significant Executive Assistant experience supporting senior executives, ideally at CEO or CFO level.
• Previous experience leading or managing administrative, executive support or office teams.
• Strong office management, facilities coordination and supplier management experience.
• Advanced Microsoft 365 skills, including Outlook, Power Point, Word, Excel and Teams.
• Excellent communication and stakeholder management skills.
• Strong financial awareness, including budget monitoring and supplier oversight.
• Knowledge of health and safety and workplace compliance requirements.
• The ability to make sound decisions, manage competing priorities and operate with a high degree of autonomy.
• A proactive, solutions‑focused approach and a commitment to continuous improvement.
• Additional Information

Join us and we’ll help build your career, with excellent training and opportunities for career growth across the business, both locally and globally.

You’ll experience an inclusive environment, with strong leadership and a focus on safety and wellbeing.

You’ll also have the flexibility to choose from a wide range of benefits to suit your lifestyle, offering you and your family support from a health and wellbeing, financial and lifestyle perspective.

We believe that different perspectives and backgrounds are what make a company flourish.

All qualified applicants will receive equal consideration for employment regardless of color, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics.

We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.

At no time during the hiring process will Smiths Detection, nor any of our recruitment partners ever request payment to enable participation – including, but not limited to, interviews or testing.

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