Chief of Staff

At CryptoNext Security, we are shaping the future of cybersecurity with post-quantum cryptography solutions. Our mission is to protect the world’s critical data from emerging threats posed by quantum computing. As a rapidly growing deep‑tech startup, we collaborate with governments, banks and enterprises on innovative projects. We are looking for a Chief of Staff to support our CEO and help drive strategic initiatives as we continue to scale.

On a daily basis, you will

• Finance and Administration : support the CEO in managing the company’s financial function, monitor the budget, ensure smooth year‑end financial closings, maintain performance indicators, handle administrative operations and relationships with external partners such as accounting firms.
• Investor Relations and Fundraising : assist the CEO in managing relationships with investors, prepare reports for existing venture capitalists, organise board meetings, prepare data and presentations for future funding rounds, and support the CEO in discussions with potential investors.
• Managing Special Projects : oversee strategic development projects that drive the company’s growth, including cross‑functional internal projects, international expansion initiatives or external strategic partnerships.
• Operational Support : provide operational assistance to the CEO and the leadership team by coordinating executive meetings, ensuring follow‑ups are completed, improving internal processes to streamline decision‑making, and supporting the CEO in external engagements such as speaking at events or meeting with key stakeholders.

Requirements

The skills you’ll need

• Experience : 4+ years in a top‑tier strategy consulting firm, venture capital or a fast‑paced startup.
• Education : a double degree in engineering and business is preferred.
• Language Proficiency : professional fluency in both English and French.
• Financial Acumen : solid understanding of financial metrics, budget management and accounting data.
• Technical Skills : proficiency in Microsoft Office, especially Excel and PowerPoint.
• Project Management Skills : proven project‑management abilities across multiple departments.
• Communication Skills : strong verbal and written skills, able to build relationships with stakeholders at all levels.
• Strategic and Analytical Thinking : ability to analyse complex problems, think critically, develop data‑driven solutions and navigate the challenges of a growing startup.
• Entrepreneurial Mindset : comfortable with ambiguity, proactive problem‑solving and decision‑making.
• Integrity : ethical behaviour, transparency and discretion with sensitive information.

The team you’ll be joining

You will work closely with the CEO and collaborate with the C‑suite executives to ensure smooth execution of strategic initiatives. While not directly part of the executive leadership, you will coordinate key projects across departments, offering exposure to leadership‑level decision‑making and the opportunity to make a tangible impact.

Benefits

What’s in it for you at CryptoNext

As Chief of Staff, you will play a pivotal role in scaling a leading‑edge company. You’ll work alongside a visionary executive team, gaining exposure to strategic decision‑making at the highest level, and enjoy competitive compensation and benefits. The office is near Gare de Lyon and offers a flexible remote‑work approach.

Recruitment process

• Initial Interview : Phone interview with the HR team.
• Operational Interview : Meeting with the CEO to discuss financial, operational and strategic aspects.
• Complementary Interview : Discussion with the CTO and Chief Revenue Officer to validate fit with culture and strategic objectives.