Executive Assistant

Executive Assistant

Paarl (Hybrid)

Organise. Empower. Deliver.

An opportunity for an Executive Assistant to provide comprehensive support to senior executives in the UK, ensuring seamless operations in a fast-paced, high-demand environment.

At Sigma, we’re seeking a professional to manage complex diaries, coordinate meetings across multiple stakeholders, and oversee intricate travel arrangements. You’ll be pivotal in maintaining smooth workflows, balancing priorities, and enabling leaders to focus on strategic initiatives.

Reporting directly to the EA Team Manager, this role offers the chance to join an award-winning business where your expertise will drive efficiency, engagement, and operational success.

Why Sigma?

For four consecutive years, Sigma has been recognised by the Sunday Times Best Places to Work
, voted for by our people. We believe in #Improve Everything Always and create an environment where ambitious leaders can thrive, grow and make a real impact.

What you'll get

Career development and opportunities to apply for internal promotions following your probationary period.

Monthly, Quarterly and Annual awards with marvelous prizes.

Resources such as the Employee Assistance Program (EAP) and Mental Health First Aiders to support you when life might not be going quite as you expected.

Receive a tree in the Sigma Forest when you pass probation. This will allow you to review how your tree is reducing your carbon footprint.

Medical Insurance – Covers doctor visits, optometrist appointments and dental assistance, funeral cover, Group Life Cover.

Join communities and collaborate with your colleagues on our internal Social Media platform.

The opportunity to be a part of an equal, diverse, and inclusive workplace – all amazing people are welcome in the Sigma Family.

What Your Day-to-Day Will Look Like:

• Provide comprehensive administrative and logistical support to senior stakeholders at a London-based leading private equity firm.
• Manage complex diary schedules across multiple stakeholders, coordinating internal and external meetings across time zones.
• Book meeting rooms and ensure seamless scheduling across UK and international locations.
• Coordinate extensive travel arrangements, including booking flights, accommodation, and ground transportation.
• Manage travel itineraries that often require last-minute adjustments.
• Process expenses and maintain invoices with precision.
• Liaise with internal and external stakeholders to arrange meetings and maintain strong working relationships.
• Act as a key point of contact for both executives and the wider EA community.
• Maintain confidentiality of highly sensitive business information.
• Provide proactive calendar management and operational support in a fast- paced environment.
• Balance competing priorities and urgent requests with calm, solution-focused professionalism.
• Demonstrate flexibility with working hours to align with UK business hours (11am–8pm SA time during UK winter and 10am–7pm during UK summer).
• Communicate confidently and professionally with high-level stakeholders.
• Deliver exceptional organisational support to enable senior leaders to focus on strategic initiatives.
• Develop your career within a supportive team environment while making a real impact through operational excellence.

Who We're Looking For:

You are a confident team player who strives to deliver an exceptional service to all stakeholders. You have the required experience or qualification in the field and apply your knowledge and skills with a pragmatic approach, always considering both people and commercial impacts. You challenge the status quo, and you are always looking for…