Marketing Assistant

We are seeking a proactive and organized professional with a strong people-oriented mindset to join our growing team as a Marketing Assistant. If you thrive in a dynamic environment, enjoy multitasking and bring structure and energy to your work; this role is for you! The Marketing Assistant plays a vital role in supporting the Marketing team in achieving business objectives. This position involves a mix of administrative, organizational, external events and customer-facing tasks to ensure smooth operations and enhanced customer experience. Optics11 is a world leader in fiber optic sensing technology for ultra-sensitive early warning systems. From our base in the Netherlands – a global hub for high-tech innovation and maritime expertise – we are on a mission to make the world safer by protecting critical infrastructure such as sea-lanes, offshore energy assets and subsea cables from disruption. Optics11 recently closed a €17 million investment round. About the role: As Marketing Assistant, you will support the day-to-day execution of our Underwater Security marketing activities. You will help deliver campaigns, keep sales and marketing materials up to date, and coordinate events from preparation through follow-up. What will you do? - Support the execution of marketing campaigns for our Underwater Security portfolio, including content, LinkedIn, email and website updates. - Create and maintain marketing materials such as brochures, presentations, promotional content and event materials using approved messaging and templates. - Coordinate conferences, trade shows and customer events, including registrations, travel, accommodation, logistics, suppliers and exhibition materials. - Support event promotion, attendee coordination and on-site activities, including welcoming visitors and connecting prospects with the right Sales or technical colleagues. - Manage event and campaign contacts in HubSpot, ensuring accurate data, clear next steps and timely handover to Sales. - Keep marketing calendars, tasks and deadlines on track, coordinating inputs and approvals across internal teams and external suppliers. - Support supplier, invoice and event expense administration and compile basic campaign and event reporting. What we offer - The chance to work with innovative technology with real-world applications in underwater security. - An international, fast-growing working environment. - 30 vacation days per year. - Employer pension contribution. - Fresh team lunches provided 5 times/ week.