CELESTE

About the Company

CELESTE is a leading French telecom operator specializing in high-performance fiber optic, cloud, and cybersecurity solutions for businesses. With a privately owned network spanning over 12,000 km in France and Switzerland, CELESTE ensures ultra-fast, secure, and reliable connectivity. The company operates three eco-friendly, high-security data centers, certified ISO 27001 and HDS (Health Data Hosting), providing robust data protection for its clients. Backed by a team of 700 experts, CELESTE supports over 20,000 businesses through its 15 regional offices, delivering tailored services with a strong local presence. Driven by continuous innovation, CELESTE offers cutting-edge technology to meet the evolving needs of enterprises. Through its Swiss subsidiary, VTX Telecom, the company extends its expertise beyond France, strengthening its position as a key player in the European telecommunications market.

Listed Jobs

Company Name

CELESTE

Job Title

Juriste en droit des Affaires en alternance (H/F)

Job Description

**Job Title** Business Law Apprentice (Gender-neutral) **Role Summary** An apprenticeship for a Business Law professional, supporting the legal department of a corporate client base. The role will develop a comprehensive understanding of company law, contract drafting, dispute prevention and strategic legal advisory within a dynamic, tech-focused environment. **Expectations** - Demonstrated motivation, curiosity, and proactive initiative. - Strong written communication and professional interpersonal skills. - Ability to research, synthesize legal information and present clear recommendations. **Key Responsibilities** - Maintain legal records for SAS and SCI entities: update statutes, prepare minutes, delegates of authority, manage legal registers, and file with the registry office. - Handle pre‑litigation matters: respond to claims from clients, suppliers and partners. - Draft general and specific correspondence. - Negotiate and draft client and supplier contracts; review standard and custom terms, conditions of sale. - Produce legal notes and advisory recommendations for operational teams. - Conduct legal monitoring and research on issues affecting the company (intellectual property, marketing, commerce, personal data, etc.). **Required Skills** - Motivated, self‑driven and inquisitive. - Dynamic, rigorous, and highly proactive. - Excellent drafting and editing abilities. - Strong interpersonal and teamwork skills. - Proficient in legal research and synthesis. **Required Education & Certifications** - Master’s level (Master 2) in Business Law or equivalent. - Apprenticeship contract.

Champs-sur-marne, France

Hybrid

04-11-2025

Company Name

CELESTE

Job Title

Assistant commercial (H/F)

Job Description

Job title: Commercial Assistant (H/F) Role Summary: Support the commercial team in managing orders, documentation, and pricing negotiations. Facilitate communication between delivery pilots, clients, and management. Contribute to administrative responses for tenders, pricing requests, and reporting. Assist in assigning client portfolios to sales engineers and resolving order‑related issues. Expectations: - Strong administrative or commercial background, preferably with experience in telecoms or cloud services. - Excellent relational, teamwork, and listening skills, with a focus on customer satisfaction. - Ability to work independently and manage multiple priorities under deadlines. Key Responsibilities: - Verify documents and forward orders to delivery pilots. - Establish and monitor escalation procedures. - Initiate commercial gestures and negotiate pricing reductions with management. - Submit commercial requests to buying centers. - Prepare and send weekly reporting. - Track orders, troubleshoot problems, and provide solutions. - Allocate client and prospect portfolios to sales engineers. - Respond to tender administrative questions. Required Skills: - Proficiency in a commercial management software and a CRM system. - Advanced Excel, Word, PowerPoint, Outlook, and general office tools. - Strong command of written French and English, with excellent spelling. - Good communication and negotiation abilities. Required Education & Certifications: - Bachelor’s degree or equivalent in administration, commerce, or related field. - Certification or training in commercial or transport logistics is a plus.

Nantes, France

Hybrid

19-11-2025

Company Name

CELESTE

Job Title

Alternant(e) marketing et communication (H/F)

Job Description

**Job Title** Marketing & Communication Apprentice (M/F) **Role Summary** Assist in building the brand image and generating leads for a cybersecurity company. Execute external communication activities, support sales collateral, manage event logistics, contribute to website SEO/SEA, and conduct market & technology research. **Expectations** - Current Master 2 student or equivalent. - Minimum one prior internship or alternance in communication or marketing. - Autonomous, proactive, and dynamic with strong interpersonal skills. - Willingness to propose ideas and solutions. **Key Responsibilities** - Create brand assets: client testimonials, technical articles, whitepapers. - Execute external communication: email campaigns, LinkedIn posts & ads; design visuals (Canva, Adobe Suite), plan editorial calendars, analyze KPIs, refine strategy. - Prepare and participate in trade shows, events, and webinars: logistics, invitations, presentation materials; measure and report ROI. - Support the sales team by updating presentations and sales‑enablement content. - Contribute to website development; implement and monitor SEO/SEA initiatives. - Conduct marketing and cybersecurity market intelligence. **Required Skills** - Content creation & brand storytelling. - Digital marketing: email, LinkedIn, social media, SEO, SEA. - Design tools: Canva, Adobe Creative Suite (Photoshop, Illustrator, InDesign). - Email marketing platforms (e.g., Mailchimp, Sendinblue). - Data analysis of marketing KPIs. - Project management and organizational capacity. - Excellent written and verbal communication. - Team player with a proactive mindset. **Required Education & Certifications** - Master 2 or equivalent in Marketing, Communication, Business, or related field. - Prior internship/alternance in marketing or communication – mandatory. - Professional certificates (Google Analytics, Google Ads, SEO, etc.) considered a plus but not mandatory.

Montpellier, France

Hybrid

24-12-2025