Senior Executive Assistant

We are seeking a Senior Executive Assistant with 15+ years of experience supporting C-suite leadership to provide trusted, highly sophisticated support to Topsoe’s Chief Sustainability & External Affairs Officer. This role is for a seasoned executive partner—who can operate confidently and with meticulous attention to detail in supporting a senior leader responsible for many critical corporate functions. The ability to thrive in a fast-moving, globally complex environment is a must.

This role goes far beyond traditional administrative support. The Senior Executive Assistant will act as a central coordination and execution hub enabling the Chief Sustainability & External Affairs Officer whose portfolio includes the corporate strategy, strategy execution, marketing, brand, communications, public affairs, sustainability, product stewardship, and external partnerships organizations. The position requires exceptional judgment, anticipation, discretion, and the ability to manage complexity across multiple workstreams, stakeholders, and geographies. It will include coordinating inputs across teams, preparing executives for high-stakes internal and external engagements, and ensuring follow-through on complex initiatives that span the organization.

In addition to managing highly complex calendars and logistics, the role will lead the development of C-suite–level briefing materials, support senior leadership engagement at major global forums, and oversee key administrative and coordination processes that underpin effective executive decision-making. The successful candidate will a trusted partner to senior leaders.

This is an opportunity for an accomplished executive support professional to operate at the heart of Topsoe’s global leadership agenda, directly contributing to the effectiveness, coherence, and impact of senior executives shaping the energy transition.

The Senior Executive Assistant will:

• Serve as primary executive support to the Chief Sustainability & External Affairs Officer managing highly complex, dynamic calendars, priorities, and logistics across global time zones.
• Oversee all executive logistics, including travel planning, itineraries, meeting logistics (including for complex major global events like the annual World Economic Forum meeting in Davos), expense reporting, invoice processing, and compliance with internal procedures.
• Act as a coordination point across functions, working closely with teams in strategy, communications, brand, marketing, public affairs, sustainability, product stewardship and the businesses to align inputs, timelines, and priorities.
• Lead complex administrative and project management processes, including managing projects related to annual budget development, corporate strategy and market intelligence, executive and board strategy presentation coordination, tracking of priorities and commitments, and continuous improvement of executive support processes.
• Lead the preparation of high-quality C-suite materials, including briefing memos, presentations, talking points, speeches, background research, and executive summaries across strategy, sustainability, communications, public affairs, product stewardship and other functional areas.
• Handle highly sensitive and confidential information with the utmost discretion, professionalism, and sound judgment.
• Perform additional responsibilities as required to support the effectiveness of senior leadership.

What You Will Bring:

• 15+ years of experience in a senior executive assistant or equivalent executive support role, with sustained experience supporting C-suite executives in complex, global organizations.
• Demonstrated ability to support executives with broad portfolios, including strategy, communications, marketing, brand, public affairs, and sustainability.
• Proven experience preparing executive-level briefing materials and coordinating inputs from multiple senior stakeholders.
• Exceptional organizational skills, and attention to detail, with the ability to manage high volumes of competing priorities with precision and calm under pressure.
• Strong project management capability, including experience coordinating cross-functional processes and executive-level deliverables.
• Outstanding written and verbal communication skills, with confidence interacting with senior internal and external stakeholders.
• High level of discretion, judgment, and professionalism; trusted to manage highly confidential information.
• Advanced proficiency in Microsoft Office (Outlook, PowerPoint, Word, Excel), Adobe Acrobat, and digital collaboration tools.
• Bachelor’s degree required or equivalent professional experience; graduate degree preferred.

Why Join Us:

Joining Topsoe means becoming part of a supportive, collaborative, and innovative environment where teamwork, trust, and continuous improvement are at the core of our culture. You will have the opportunity to work alongside passionate professionals from diverse backgrounds, spearheading initiatives that drive environmental stewardship and social responsibility. This role offers a unique platform to make a tangible impact on the global energy transition, shaping a more sustainable future while advancing your own professional growth. At Topsoe, your contributions will be valued, and you will be empowered to lead meaningful change in a company committed to making a difference.

Your New Team:

You will become part of the Sustainability & External Affairs team, while also collaborating with Topsoe professionals across the entire organization. Together, you will share knowledge, support each other, and work closely to solve complex challenges.

How You Can Apply:

If you would like to be part of a team of skilled and professional colleagues in an informal organization, please submit your documents in English.

Application deadline: May 11, 2026.

We welcome applications from all qualified candidates, irrespective of their gender, age, religion, disability, ethnic background, and geographical location. We encourage individuals from diverse cultures and countries to apply and contribute to our global team.

To ensure a secure and trustworthy work environment, our recruitment process may include background checks, requests for criminal records, and contact with references.

To headhunters: Thank you for your interest in our company. However, we would like to inform you that we have a dedicated internal team managing our recruitment process. We kindly request that you refrain from reaching out to us regarding potential candidates. Thank you for your understanding.

About Us:

Topsoe is a leading global provider of advanced technology and solutions for the energy transition.

Built on decades of scientific research and innovation, we are working with customers and partners to drive energy resiliency and to achieve their sustainability goals.

We offer world-leading solutions for transforming renewable resources into fuels and chemicals, and we provide technologies needed to produce low-carbon and conventional fuels and chemicals as well as ensuring clean air.

We were founded in 1940 and are headquartered in Denmark, with over 2,800 employees serving customers all around the globe. To learn more, visit www.topsoe.com.