Marketing & Communication Assistant (Media, PR, Social Media, Events)

Interstellar Lab Open · verified Aug 21, 2026

Paris Junior Social Media

Entry-level Social Media role at Interstellar Lab. Paris · no salary stated · we estimate €26,000–€37,000.

Estimated pay

Interstellar Lab has not published a salary for this role. The figure below is our estimate, not theirs.

€26,000 – €37,000

What the middle half of entry-level social media roles in Paris paid, among postings that did state a salary.

Worked out from 8 postings that stated pay, median €32,000. Last updated Mar 10, 2026.

Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

Build journalist relationships, maintain contact records, support outreach, and track resulting media coverage
Help run company social accounts by creating, scheduling, and reviewing posts and engagement
Coordinate event logistics, materials, conferences, and on-site support when needed
Create presentations, newsletters, and website updates while keeping messaging aligned across channels

What you bring

A bachelor’s or master’s degree in marketing, communication, media, or a related field
Up to two years of experience, including internships or apprenticeships
Strong interest in communications, media, and digital platforms
You bring organization, interpersonal skill, creativity, and careful attention to detail
Fluent English for both spoken and written communication

Who this fits

You’ll suit this early-career role if you want hands-on communications work across PR, media, social platforms, content, and events. You’ll work closely with the Chief Communication Officer in Paris and should be curious, organized, creative, and willing to take initiative. Some event support may require on-site coordination.

From the employer

About Interstellar Lab

At Interstellar Lab, our mission is to build a future full of life — on Earth and beyond. We believe in a world where technology enables humans to live in harmony with nature, where biodiversity thrives, and where terrestrial life becomes multi-planetary.

To help build this future, we design, manufacture and operate controlled-environment biofarms that unlock the power of plants — both on Earth and in space. Our solutions combine hardware, AI and bioscience to recreate a wide range of environmental conditions, enabling plants, fungi and microorganisms to grow faster and more efficiently.

On Earth, we are pioneering molecular and bio-farming, increasing the production of nutrients, metabolites and bioactive compounds in plants while providing a sustainable and safe source of plant materials. Our customers include leading companies in the beauty, perfume, natural ingredients, food & beverage and nutraceutical industries.

To support space exploration, we also collaborate with space agencies and private companies to develop bio-farming units capable of producing food for astronauts and enabling research on the effects of microgravity on plant biology.

About the Role

We are looking for a Marketing & Communication Assistant to support our communication and marketing activities.

You will work closely with the Chief Communication Officer and assist with day-to-day tasks related to PR, media relations, social media and events. This position is ideal for a recent graduate or early-career professional looking to gain hands-on experience in communications within an innovative deep-tech company.

You are curious, organized and creative, with a strong interest in storytelling, media and digital communication. You enjoy learning, taking initiative and contributing to impactful projects.

Responsibilities

PR & Media Support

Assist in building and maintaining relationships with journalists and media outlets
Help manage and update the media and journalists database
Support the preparation of press materials such as press releases, press kits and media briefings
Assist with media outreach and follow-ups
Track and monitor media coverage

Social Media

Support the management of company social media accounts
Assist in creating and scheduling posts across different platforms
Help monitor engagement and basic performance metrics
Contribute ideas for social media content

Events

Support the organization and coordination of events, conferences and media opportunities
Assist with event logistics, preparation of materials and on-site coordination when needed

Communication & Content

Assist in creating communication materials such as presentations, newsletters and website updates
Support internal coordination for communication initiatives
Help maintain consistency of messaging across communication channels

Profile

Bachelor’s or Master’s degree in Marketing, Communication, Media or related field
0–2 years of experience (internships or apprenticeships included)
Strong interest in communication, media and digital platforms
Excellent organizational and interpersonal skills
Creative mindset and attention to detail
Fluent in English (spoken and written)

Why Join Us

Work at the intersection of biotechnology, AI and space exploration
Join a fast-growing deep-tech company with global ambitions
Gain hands-on experience across PR, media, events and social media
Contribute to a mission that aims to support sustainability and the future of life beyond Earth