Executive Assistant to Chief Executive Officer

As a leading provider of AI-powered extended managed detection and response (MXDR) services, Ontinue is on a mission to be the most trusted, 24/7, always-on security partner that empowers customers to embrace the future by using AI to operate more strategically, at scale, and with less risk. We believe that the combination of AI and human expertise is essential for delivering effective managed security that is tailored to a customer’s unique environment, operational constraints, and risks.

Our MXDR service combines powerful proprietary AI with a one-of-a-kind collaboration model to continuously build a deep understanding of our customers’ environments, informing how we prevent, detect, and respond to threats. Our unrivaled Microsoft expertise allows customers to achieve these outcomes with the Microsoft Security tools they already own. The result is highly localized managed protection that empowers security teams to be faster, smarter, and more cost efficient than ever before.

Continuous protection. AI-powered Nonstop Sec Ops. That’s Ontinue.

We're looking for a highly organized, proactive Executive Assistant to support our CEO and C-level team. In this role, you'll act as a trusted partner to leadership, using strong judgment, discretion, and business acumen to navigate a fast-moving environment. You bring excellent communication skills, the ability to manage competing priorities, and a proactive mindset that anticipates needs, solves problems, and keeps things moving with urgency and professionalism.

• Manage complex, ever-changing calendars for the CEO (based in Zurich) and C-level team
• Act as a key point of contact between executives, internal teams, and external partners
• Serve as a gatekeeper and time advocate to ensure priorities are clear and schedules run efficiently
• Support leadership effectiveness through strong operational awareness and responsiveness
• Coordinate CEO-related internal, customer, and partner events and workshops

• Coordinate domestic and international travel end-to-end, including flights and accommodations
• Anticipate travel needs and ensure executives are fully prepared and supported

• Manage C-level expense reporting and reimbursements with accuracy and timeliness
• Handle administrative tasks with strong organization, discretion, and attention to detail
• Support ad hoc requests and shifting priorities as needed

• Coordinate logistics for global board meetings, including scheduling and preparation

• At least 5+years’ experience in a global EA role supporting C-suite Executives in a fast-paced environment and under pressure
• Extensive experience of logistics management including complex schedules and international travel arrangements
• Strong business acumen and understanding of operational priorities

• Strong self-starter that can take a task and run with it with limited supervision from the executive
• Adaptable and able to work with limited information and ambiguity
• Very strong interpersonal skills, particularly with executive and senior management both internally and externally
• Acute attention to detail and commitment to delivering excellence in a fast-paced environment
• Polished verbal and written communication skills at all levels, including when managing requests for CEO time
• Proven ability to independently see projects through to completion
• Ability to think creatively with a sense of urgency and adapt quickly to changing needs and priorities
• Computer literacy and proficiency in using the Microsoft Office Suite
• Ability to show flexibility and responsiveness to emails/texts/phone calls.
• Availability to perform job duties outside of…