CELETIS

About the Company

Celetis : Accélérateur de projets et de solutions industrielles Depuis plus de 10 ans, Celetis s'est imposée comme un partenaire stratégique des plus grands acteurs industriels en France et au Benelux. Nous sommes présents dans des secteurs clés tels que l'Énergie, l'Agroalimentaire, les Life Sciences, le Transport, la Défense spatial, l’Industrie lourdes et l'Infrastructure . Notre mission : accompagner nos clients dans la recherche de solutions innovantes et dans l' accélération de leurs projets R&D. Nos consultants, techniciens, ingénieurs, doctorants, experts dans leurs domaines, sont au cœur de notre proposition de valeur. Ils apportent à chaque mission une rigueur technique et une adaptabilité qui leur permettent de relever les défis techniques de nos clients. Rejoindre Celetis en tant que Business Manager , c'est devenir un acteur clé de notre croissance. Après une formation dédiée au sein de la Celetis Academy, ils relèvent des défis stratégiques , tout en bâtissant des relations solides avec nos partenaires. Leur ambition et leurs résultats leur permettent d'évoluer rapidement vers des responsabilités plus importantes, contribuant activement à la stratégie commerciale et au management des équipes . Vous souhaitez rejoindre une entreprise en pleine croissance ? Nous sommes constamment à la recherche de nouveaux talents pour enrichir notre équipe. Si vous êtes prêt à relever des défis, contactez-nous dès aujourd'hui pour découvrir nos opportunités de carrière.

Listed Jobs

Company Name

CELETIS

Job Title

Ingénieur analyste-programmeur / Ingénieure analyste-programmeuse

Job Description

Job title: Mainframe Analyst‑Programmer Engineer Role Summary: Deliver, maintain, and evolve mainframe applications for a manufacturing site, ensuring high quality, performance, cost‑efficiency, and security. Act as the technical liaison between IT, production, and business stakeholders, translating user requirements into reliable COBOL/JCL solutions. Expactations: - Demonstrate expertise in mainframe environments (TSO, IMS, DL/1). - Apply strong problem‑solving skills across the full application lifecycle. - Communicate effectively with cross‑functional teams and produce clear, user‑friendly documentation. - Maintain continuous improvement mindset for application performance and reliability. Key Responsibilities: - Develop and modify mainframe programs in response to user requests and evolving business needs. - Analyze and resolve technical issues, gathering data and debugging COBOL/JCL code. - Translate technical concepts into understandable terms for non‑technical stakeholders. - Participate in industrial projects as a member of the application IT team. - Support production services with timely analysis and troubleshooting. - Contribute to the continuous improvement of application environments. Required Skills: - Proven experience in mainframe programming (COBOL, JCL). - Proficiency in TSO/IMS (DL/1) environments. - Technical decision‑making with a global systems perspective. - Strong written and verbal communication skills; ability to defend viewpoints objectively. - Bonus: QMF-DB2 knowledge; comfort with technical English (read/write/speak). Required Education & Certifications: - Bachelor’s degree or equivalent in Computer Science, Information Technology, or related discipline. - Certifications in mainframe technologies (e.g., IBM Certified Programmer - COBOL, IBM Certified System Administrator – IMS) preferred.

Nevers, France

On site

12-12-2025

Company Name

CELETIS

Job Title

Ingénieur / Ingénieure systèmes, réseaux et sécurité informatique

Job Description

Job title: Systems, Network & Cybersecurity Engineer Role Summary: Responsible for ensuring the reliability, evolution, and compliance of industrial IT infrastructures. Works under the Operations Manager to diagnose network failures, design and modify network architectures, and oversee the delivery of technical documentation and maintenance deliverables. Expactations: - Maintain operational readiness of all installed systems and networks. - Ensure adherence to technical best practices, security standards, and legal obligations. - Collaborate with IT, automation, and external vendors to implement and support network solutions. Key Responsibilities: - Identify and remediate industrial network faults in partnership with IT services and automation teams. - Design or modify network architectures to meet evolving operational needs. - Manage and monitor outsourced service performance. - Lead technical and functional acceptance testing (recettes). - Deliver comprehensive installation documentation (DOE, DAT, DEX, support procedures). - Participate in equipment, software, and network architecture selection for line‑of‑sight alignment with group requirements. - Support documentation upkeep and knowledge transfer to support tiers 1 & 2. Required Skills: - Proficient with industrial networking tools (PuTTY, Wireshark). - Strong knowledge of automation protocols (OPC‑UA, BACnet, Modbus, etc.). - Experience with LAN/WAN, 4G, fiber, switches, Azure, Windows Server. - Ability to interpret and apply security and compliance standards. - Effective collaboration with cross‑functional teams and external vendors. Required Education & Certifications: - Bachelor’s or Master’s degree in Industrial IT, Computer Science, or equivalent. - Professional certifications in networking or cybersecurity (e.g., CCNA, DevSecOps, CISA) are advantageous.

Nevers, France

On site

12-12-2025

Company Name

CELETIS

Job Title

Ingénieur / Ingénieure systèmes et réseaux informatiques

Job Description

Job Title: Systems & Networks Engineer – IT Infrastructure Role Summary: Maintain and optimize the operational status of IT infrastructure across the Grenoble site for Framatome Groupe. Manage contracts, inventory, and support for LAN/WLAN/WAN, virtualized and classic systems, storage, backups, Windows and Unix/Linux servers. Provide Level 2/3 support and ensure alignment with Active Directory, firewall, DNS, DHCP, DFS, GPO, and Exchange services. Expectations: - Deliver high‑availability and secure IT environments. - Meet service‑level objectives and support operational continuity. - Communicate solutions clearly and collaborate effectively within cross‑functional teams. Key Responsibilities: - Keep IT infrastructure operational and troubleshoot incidents. - Oversee contract negotiations and equipment inventory for networking and server assets. - Administer LAN, WLAN, and WAN connectivity, including firewall configuration. - Manage virtualized (hyper‑converged and classic) environments and storage/backup solutions. - Configure and maintain Windows and Unix/Linux servers. - Administer Active Directory, DNS, DHCP, DFS, GPO, and Exchange mail services. - Provide Level 2/3 technical support across all infrastructure domains. - Analyze technical problems, develop justified solutions, and document changes. Required Skills: - Strong knowledge of LAN/WLAN/WAN networking fundamentals. - Experience with hyper‑converged and classic virtualization platforms. - Proficiency in Windows Server and Unix/Linux administration. - Familiarity with Active Directory, DNS, DHCP, DFS, GPO, and Exchange. - Solid understanding of firewall configuration and backup technologies. - Demonstrated capability to perform Level 2/3 support. - Analytical mindset with ability to propose optimal technical solutions. - Team‑oriented, pragmatic, and clear communicator. Required Education & Certifications: - Minimum Bachelor’s degree (BAC+5) in Systems & Network Engineering or equivalent. - Relevant industry certifications (e.g., Microsoft Certified: Windows Server, Cisco CCNA/CCNP, VMware vSphere) preferred.

Nevers, France

On site

13-12-2025