Marketing & Communication Internship - end of studies

Who we are

CryptoNext Security is a deep-tech company leading the transition to post-quantum cryptography (PQC), the next frontier of digital security. Our mission is to make communications and data secure in a world where quantum computing will break today’s cryptographic standards.

We work with major financial institutions, governments, and technology providers to deploy our quantum-safe software solutions. Joining CryptoNext means joining a fast-growing team at the intersection of cutting-edge research, cybersecurity, and innovation, in one of the most promising fields of the next decade.

On a daily basis, you will

As a Marketing & Communication Intern, you will work directly with our Head of Marketing and Communications to strengthen CryptoNext’s visibility and brand within this rapidly emerging industry. You will gain hands-on experience across the full marketing spectrum, from campaigns to content, design, and analytics, with room for initiative and creativity.

1. Campaigns & Operations

• Assist in launching and optimizing digital campaigns (emailing, website updates, workflows).
• Help maintain and clean contact databases to ensure quality and segmentation accuracy.
• Support reporting and performance tracking on marketing activities.

2. Graphic Design & Brand Assets

• Create and adapt visuals for digital communications and events.
• Support the production of marketing collateral (presentations, infographics, banners, etc.).
• Ensure brand consistency across all communication channels.

3. Video Production

• Contribute to the production and editing of short videos for social media and events.
• Help build a strong visual identity for our brand through storytelling and motion design.

4. Social Media & Community Management

• Draft, schedule, and publish content across LinkedIn, X, and other platforms.
• Monitor engagement and suggest optimizations based on data.
• Bring creative ideas to grow CryptoNext’s digital presence in the PQC ecosystem.

5. Content & SEO

Contribute to the creation of articles, newsletters, and landing pages.

Optimize web content for SEO (keywords, metadata, internal linking).

Conduct basic keyword research and analyze performance to improve visibility.

The skills you will need

• Student in Marketing, Communication, or a related field (end of Bachelor’s or Master’s degree).
• Fluent in French and English.
• Good understanding of digital marketing principles.
• Familiarity with HubSpot, CRM tools, or marketing automation is a plus.
• Basic graphic design skills (Canva, Figma, or similar).
• Video editing knowledge (Camtasia, Premiere Pro, or equivalent) is a strong advantage.
• Strong organizational skills, attention to detail, and curiosity.
• A creative and proactive mindset: you are not afraid to suggest ideas and take ownership.

The team you will be joining

You will be part of the Marketing department, working closely with the Head of Marketing and collaborating with Sales, R&D and Product teams to translate complex technological innovations into impactful messages.

You will also interact with engineers and cryptographers to help make quantum-safe security accessible and understandable for our clients and partners worldwide.

Our recruitment process

1. Quick screening call with our People team.
2. Interview with our Head of Marketing and Communications.
3. Final discussion with a team member or leadership representative.

What’s in it for you at CryptoNext Security

• A unique experience in post-quantum cybersecurity, one of the most promising global tech fields.
• Real ownership from day one on meaningful projects.
• Close mentorship from experienced professionals in marketing and tech.
• A dynamic, collaborative, and international team environment.
• Offices located in the heart of Paris.