HybridMust align with UK business hours and observe UK public holidays; remote after-hours support may be required.
Administrative & Executive AssistanceExecutive Support
About the job
Requirements
A minimum of 3 years of experience as an Executive Assistant or in a similar administrative or executive support role.
Experience supporting senior leadership or managing multiple high-priority tasks and projects simultaneously is advantageous.
Critical-thinking calendar-management ability.
Experience working across multiple time zones to provide out-of-hours support for senior team members is advantageous.
Familiarity with Slack and Expensify is advantageous.
Proficiency in Microsoft Office Suite, including Word, Excel, PowerPoint, and Outlook, and virtual meeting platforms such as Zoom and Teams.
Exceptional written and verbal communication skills in English.
Working knowledge of managing complex schedules, including coordinating meetings, travel arrangements, and events, is essential.
Ability to anticipate needs and proactively find solutions, making sound decisions in high-pressure situations with minimal supervision.
Customer-oriented mindset, proactively identifying the needs of individuals and teams and providing solutions aligned with their goals.
Ability to align with UK business hours, 09:00–18:00 (10:00–19:00 or 11:00–20:00 South African time depending on daylight savings), with remote after-hours support when needed.
Availability to observe UK public holidays instead of South African public holidays.
Responsibilities
Provide comprehensive administrative and logistical support to senior stakeholders at a London-based private equity firm.
Manage complex diary schedules across multiple stakeholders and coordinate 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, including last-minute adjustments.
Process expenses and maintain invoices accurately.
Liaise with internal and external stakeholders to arrange meetings and maintain working relationships.
Act as a key point of contact for 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 professionally.
Deliver organisational support that enables senior leaders to focus on strategic initiatives.
Desired Qualifications
Salesforce or equivalent customer relationship management experience is desirable but not essential.
What being part of the Sigma Family means for you
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 #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.
A bit more about the Opportunity...
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.
What amazing People will bring to the role
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 opportunities to add value, create efficiencies, and positively improve business KPI’s.
You'll ideally bring:
You have a minimum of 3 years' experience as an Executive Assistant or in a similar administrative/executive support role.
You have experience supporting senior leadership or managing multiple high‑priority tasks and projects simultaneously is highly advantageous.
You have critical thinking calendar management
You have proven experience working across multiple time zones to manage out‑of‑hours support for senior team members is 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 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.