Executive Assistant

📍 Paarl (Hybrid)

Organise. Empower. Deliver.

An exciting opportunity for an Executive Assistant to provide comprehensive administrative and logistical support to senior executives based in the UK, ensuring seamless operations in a fast‑paced, high‑demand environment.

At Sigma, we’re seeking a professional who can manage diverse responsibilities including organising schedules, coordinating meetings, and handling complex travel arrangements. You’ll be pivotal in maintaining smooth operational workflows, balancing competing priorities, and enabling senior 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 enhance efficiency, strengthen engagement, and drive 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 #ImproveEverythingAlways 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 support to senior stakeholders at a London‑based leading private equity firm.
• Thrive in a fast‑paced, international environment while managing complex diary schedules across multiple time zones.
• Deliver exceptional support to senior professionals by managing busy calendars with precision.
• Coordinate extensive travel arrangements, including flights, accommodation, and ground transportation.
• Ensure seamless scheduling across UK and international locations.
• Proactively manage calendars and liaise with internal and external stakeholders to arrange meetings.
• Manage travel itineraries that often require last‑minute adjustments.
• Process expenses and maintain strong working relationships with both executives and the wider EA community.
• Demonstrate exceptional organisation and attention to detail, prioritising effectively in a demanding environment.
• Work confidently across different time zones, showing flexibility with UK business hours (11am–8pm SA time during UK winter and 10am–7pm during UK summer).
• Communicate professionally with high‑level stakeholders while remaining calm and solution‑focused when managing competing priorities and urgent requests.
• Develop your career within a supportive team environment and make a real impact through excellent organisational support.

Who We're Looking For:

💡 You are a highly organised professional who thrives in fast‑paced, high‑demand environments. You take pride in delivering seamless administrative and logistical support to senior stakeholders, ensuring that complex schedules, meetings, and travel arrangements run smoothly. You apply your knowledge and skills with precision and a pragmatic approach, balancing competing priorities while maintaining strong relationships. You are proactive, detail‑oriented, and always looking for opportunities to add value, create efficiencies, and positively impact business outcomes.

You'll ideally bring:

• You have a minimum of 5–10 years' experience as an Executive Assistant or in a similar administrative/executive support role, ideally within the Investment, Financial Services, or Private Equity sectors.
• You have experience supporting senior leadership or managing multiple high‑priority tasks and projects simultaneously (highly advantageous).
• You have proven experience working across multiple time zones to manage out‑of‑hours support for senior team members (advantageous).
• You have Salesforce or equivalent CRM experience (desirable, but not essential).
• You are familiar with Slack and Expensify (advantageous).
• You are proficient in Microsoft Office Suite (Word, Excel, PowerPoint, and Outlook) and virtual meeting platforms (Zoom, Teams, etc.).
• You have exceptional written and verbal communication skills (English).
• You have working knowledge of managing complex schedules, including coordinating meetings, travel arrangements, and events (essential).
• You have proven ability to anticipate needs and proactively find solutions, making sound decisions in high‑pressure situations with minimal supervision.
• You have a customer‑oriented mindset, proactively identifying the needs of individuals and teams and providing solutions that align with their goals.
• You have working knowledge of project management methodologies and tools (e.g., Asana, Trello, or similar).
• You will be aligned with UK business hours 09:00–18:00 (10:00–19:00 / 11:00–20:00 SA time, depending on daylight savings), with an additional requirement to provide remote after‑hours support when needed.
• The role will observe UK public holidays instead of South African public holidays.

Why This Role?

This isn’t just another Executive Assistant position. It’s a chance to play a pivotal role in shaping strategy, influencing decisions, and driving commercial impact within one of South Africa’s most dynamic BPO businesses.

If you’re ready to take ownership, deliver results, and help build something exceptional, we’d love to hear from you.

Join the Sigma Family.

📩 Apply today and help us #ImproveEverythingAlways.