Executive Assistant

Join Optiver, a leading global market maker, as an Executive Assistant supporting our Tech COO and Head of Platform Engineering who help shape Optiver’s global technology strategy.

This role offers autonomy, visibility and the opportunity to make a meaningful impact in a fast-paced, high-performance environment. You’ll work closely with senior leadership and collaborate with stakeholders across departments and regions.

As the right hand to our global Technology Leads, you’ll provide seamless, high-level support that helps them stay focused on their strategic priorities. You’ll anticipate needs, manage competing demands and adapt as priorities shift.

We’re looking for a highly organised, proactive problem-solver with excellent communication skills and the judgement to recognise where their support will be most valuable and how to provide it in a fast-moving environment.

• Manage complex calendars and inboxes for the Tech COO and Head of Platform Engineering.

• Plan and coordinate international travel, meetings, and itineraries, always with precision and foresight.

• Handle expense processing and administrative support for your senior executives.

• Oversee meeting logistics from travel to event coordination and hospitality.

• Act as an ambassador for the technology team leads, particularly during times of absence from the

• Administer and oversee tasks of direct reports, ensuring they are executed to a high standard.

• Liaise with internal and external overseas counterparts, particularly those based in the US and Asia.

• Collaborate on preparing, proofreading and finalising meeting materials: agendas, board packs, minutes, and decision logs.

• Ensure information flow, timelines, and deliverables are always on point.

You’re an experienced and confident Executive Assistant, used to working in a C-suite or Board-level environment. You balance professionalism with warmth, and precision with initiative.

• 2–4 years of experience supporting C-suite executives.

• Proven success working in complex, fast-paced organisations.

• Strong interest in AI, automation, and process improvement to reduce manual work and improve precision.

• Advanced proficiency with Microsoft Office (Outlook, Excel, Word, PowerPoint).

• Proficient with Confluence or similar documentation management tools.

• Experience with expense-reporting and travel-booking systems is a plus.

• Excellent organisational awareness, with strong prioritisation skills and exceptional attention to detail.

• A proactive, adaptable mindset, and the ability to handle sensitive information with discretion.

• A service-oriented, results-driven approach, always striving for excellence.

• Outstanding written and verbal communication skills in English.

At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.

What you'll get

You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Motivated by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the toughest problems in the