Systems Administrator & DevOps – Networks and Security (RSE) - Paris - H/F

Join our dynamic Ubisoft Infrastructure & Platform team as a Senior Linux Systems Administrator. In this pivotal role, you will be responsible for the design, installation, configuration, monitoring, and maintenance of Linux environments, both on-premises and in the cloud. Your expertise will be crucial in ensuring the stability and reliability of our systems that support business-critical services.Your collaboration with development teams will drive automation and efficient deployment strategies, enhancing our operational capabilities. Embrace the opportunity to grow your skills within a fast-paced, technically challenging environment, while working with modern DevOps and cloud technologies.Key Responsibilities:Administer and maintain Linux servers (preferably Rocky Linux or Red Hat) in virtualized and cloud settings.Enhance automation processes through configuration management tools such as Ansible or Chef.Utilize monitoring tools like Prometheus and Grafana, as well as web servers such as Nginx or Apache.Develop and manage containerized applications using Docker and related technologies.Support and optimize CI/CD pipelines with GitLab CI/CD.Collaborate on cloud infrastructure projects (Azure) employing Terraform.Diagnose and resolve connectivity and performance issues related to firewalls, load balancers, proxies, etc.Drive continuous improvement initiatives to boost system performance and reliability.

Join Ubisoft's dynamic IT department in Saint-Mandé, where you'll become a key member of the Infrastructure & Platform team, comprising approximately 180 professionals globally. As a Senior Storage Administrator, you will collaborate with a diverse international team of 7 experts, focusing on advancing Ubisoft's block and object storage solutions. Your role will involve a balanced mix of development and operational tasks, as well as collaboration with networking and cloud teams.Key Responsibilities:Design and manage resilient, secure, and high-performance storage infrastructure components.Engage closely with platform, development, and operations teams to translate application requirements into effective operational solutions.Implement and uphold security and compliance standards across all layers of infrastructure.Monitor resource utilization, adjust capacity as needed, and optimize operational costs.Provide Level 2/3 technical support for infrastructure services.Participate in on-call rotations and address major incidents as they arise.Document and maintain technical guides, runbooks, and recovery procedures.Technical Environment: Experience with tools and technologies such as Ceph, Dell PowerFlex, Linux, Docker, GitLab, Ansible/AWX, Prometheus, and Grafana is essential.

We are seeking a skilled Linux Systems and Network Engineer to join our dynamic team in Paris. This role offers an exciting opportunity to work with cutting-edge technologies in a collaborative environment. You will be responsible for the design, implementation, and maintenance of Linux-based systems and networks, ensuring optimal performance and security.Key responsibilities include troubleshooting system issues, managing server configurations, and implementing network solutions. If you are passionate about technology and eager to contribute to innovative projects, we would love to hear from you!

As a Senior or Expert Technical Character Artist integrated into the production of an unannounced project, you will play a pivotal role in the visual and technical development of characters within an ambitious AAA universe. Bridging the gap between art and programming, you will help define the final appearance of characters, design robust technical solutions, and develop tools and pipelines that enable artistic teams to achieve high visual standards for the next generation of games.Your specific responsibilities will include:Contributing to all aspects of the technical setup of characters, from engine integration to real-time performance tuning;Designing, writing, and maintaining character shaders, including skin, fabric, moisture, and dirt effects;Developing and evolving advanced shading features and rendering effects in line with artistic direction;Actively participating in the development of tools and pipelines for character creation, focusing on stability, performance, and efficiency;Researching and proposing workflow optimizations to enhance character pipeline productivity;Collaborating closely with programmers, animators, Character Artists, and other Technical Artists;Supporting content teams in debugging technical issues related to tools, assets, or performance;Documenting and maintaining technical solutions and clean, scalable code designed for the long term.

Safran.AI, a subsidiary of Safran Electronics & Defense, develops artificial intelligence solutions for analyzing high-resolution satellite imagery, video streams, and acoustic signals. The team’s work supports aerospace, defense, and government clients, and now also addresses Industry 4.0 challenges, such as anomaly detection in critical components using digital imagery. Since 2016, Safran.AI has delivered complex algorithms and software for automatic detection and identification of military-relevant objects, drawing on both commercial and government data sources. The company values innovation, safety, and technical excellence, fostering a collaborative environment where creative ideas are encouraged. The Senior Linux Systems Engineer (F/H) is part of the Customer Solution Services division within the Solution & Service Line department. This position is based in Paris and focuses on the deployment, operation, and ongoing maintenance of Safran.AI’s products for clients throughout the contract lifecycle. What you will do Design, implement, validate, and maintain deployment automation for Safran.AI products. Ensure product instances remain updated and fully operational in client environments. Analyze client information system constraints and propose technical solutions in areas including virtualization, storage, networking, firewalls, and data pipelines. Collaborate with client experts to integrate Safran.AI products into their information systems. Work environment Located in Paris, this role involves working alongside experienced teams dedicated to technological excellence and real-world impact in critical sectors.

Join Ubisoft as a Prompt Specialist, where you will play a pivotal role in our Strategic Innovation department. Your expertise will drive the development of cutting-edge AI models that shape the future of gaming experiences. Collaborate with cross-functional teams to craft and refine prompts that enhance user interactions and ensure the highest quality standards. This is a fantastic opportunity to contribute to groundbreaking projects in a dynamic environment.

Gramian Consultancy is a boutique firm offering IT professional services and engineering talent solutions. The team combines deep engineering and leadership experience to help organizations build high-performing teams tailored to their needs. Role overview This Senior Linux Administrator position blends hands-on system administration with DevOps responsibilities. The role focuses on advancing complex IT environments, emphasizing automation, CI/CD, and cloud transformation. Daily work involves developing CI/CD pipelines, automating infrastructure, and supporting cloud migration projects. Improving infrastructure reliability, scalability, and performance is central, as is supporting the move from traditional systems to cloud-native and DevOps-driven practices. Work arrangement Hybrid work model: remote and on-site Office presence possible in Saint-Cloud, Lille, Nantes, Rennes, or Lyon Permanent contract Role based in France Main responsibilities Operate and manage Linux-based infrastructure environments Deploy, configure, and optimize applications Design and build CI/CD pipelines from scratch Lead migration efforts from on-premise to cloud platforms Automate infrastructure and processes using DevOps tools and scripting Work with Docker and Kubernetes for containerization and orchestration Provide L2/L3 support and troubleshoot production issues Conduct technical audits and propose improvement plans Collaborate with other teams to develop scalable, reliable systems Drive ongoing technical improvements Requirements At least 5 years of system administration experience, mainly with Linux Minimum 3 years in a DevOps setting Proven experience building CI/CD pipelines from the ground up Strong background with Terraform, Docker, Kubernetes, Ansible, and CI/CD tools such as GitLab CI or Jenkins Advanced scripting or programming skills (Python, Java, or Shell) Hands-on experience with AWS, Azure, or GCP Experience migrating infrastructure from on-premise to cloud Solid understanding of both development and operations practices Fluency in French is required Benefits Health insurance 401k options Paid time off (PTO) Interview process Introductory call Three client interviews

Ubisoft Entertainment S.A. seeks an HR Data Manager in Paris to take charge of employee data systems and deliver reliable analytics for the HR team. This role centers on ensuring the quality of HR data and translating it into meaningful insights that support decision-making. Main responsibilities Oversee and maintain systems that store and manage employee data Monitor HR data for accuracy and consistency Analyze HR datasets to identify trends and provide actionable insights Deliver data-driven recommendations to help guide HR decisions Key focus areas Data management and system oversight Data quality and integrity Analytical support for HR initiatives

About UsHarmattan AI is pioneering the development of autonomous and scalable defense systems, serving as a next-generation defense prime. With a recent $200M Series B funding round, valuing the company at $1.4 billion, we are on an exciting trajectory of expansion to enhance our capabilities in delivering mission-critical solutions for allied forces.Driven by our core values of creating technologies that have a tangible impact, striving for excellence, and tackling formidable technical challenges, we thrive in a rigorous environment where accountability and execution are paramount.About the RoleAs we scale, we are seeking a Senior System & Network Administrator to take complete technical ownership of our infrastructure, both on-premises and in the cloud. You will ensure high availability, resilience, and security across all infrastructure layers.Join our small yet skilled IT team where you will engage in a variety of stimulating projects, from enhancing security frameworks to optimizing tooling and collaborating on cross-functional IT initiatives. As the complexity of our infrastructure increases, so will your opportunities for career advancement into lead or architect roles. We are looking for a self-starter who confidently makes decisions and is enthusiastic about contributing beyond their primary responsibilities.This position involves shared on-call duties among the IT team to guarantee the continuity of critical services.Server & Systems AdministrationAdminister and maintain Linux and Windows servers across on-prem and Google Cloud Platform (GCP) environments.Establish and enforce update and patching policies across all systems.Monitor system health, performance, and uptime; proactively address incidents.Manage virtualization environments and storage infrastructure.Backup & Business ContinuityDesign, implement, and routinely test backup and disaster recovery strategies.Ensure data integrity and set recovery time and point objectives (RTO/RPO).Document and uphold business continuity protocols.Network AdministrationConfigure and maintain network equipment including switches, firewalls, and routers.

Join Safran AI as a Linux Systems Engineer where you will be at the forefront of designing, implementing, and maintaining dynamic Linux systems solutions. You will work with a talented team to ensure robust and scalable environments that support our innovative projects.

Join Alten as a Linux System Engineer in Paris, where you will be at the forefront of technology, driving innovations in system architecture and operations. This role requires a passion for Linux systems and a desire to work in a collaborative environment.You will be responsible for designing, implementing, and maintaining Linux-based systems to ensure optimal performance and security. Collaborate with cross-functional teams to identify and resolve system issues, implement automation solutions, and enhance overall system efficiency.

Join Ubisoft as a Prompt Specialist where you will play a pivotal role in driving our strategic innovation initiatives. Your expertise in prompt engineering will help shape the future of our interactive experiences. Collaborate with cross-functional teams to develop and refine prompts that enhance user engagement and streamline our creative processes.

Join Ubisoft Vantage Studios as an HR Manager, where you will play a crucial role in shaping our workplace culture and enhancing employee engagement. You will be responsible for developing HR strategies that align with our business objectives, fostering talent development, and ensuring a supportive environment for all employees.

About the Role Ubisoft Entertainment S.A. is looking for a 3D Animator (H/F/NB) to join the team in Paris. This position focuses on creating engaging character and environment animations for a variety of game projects. What You Will Do Work closely with multidisciplinary teams to develop high-quality animations Contribute artistic and technical skills to shape the look and feel of game worlds Help bring characters and environments to life, supporting the overall vision of each project Location This role is based in Paris.

Role overview Ubisoft Entertainment S.A. seeks a Machine Learning Engineer (H/F/NB) for its Paris team. The role centers on designing AI solutions that enhance gameplay and introduce new features for players. What you will do Create and refine machine learning models to support both game development and player engagement. Use data analysis to guide and improve AI-powered features. Work closely with other teams to bring machine learning solutions into Ubisoft games. Location This role is located in Paris.

We are seeking a passionate and skilled Senior Storage Administrator to join our dynamic IT team at Ubisoft, located in Saint-Mandé, Paris. As part of the 'Infrastructure & Platform' team, with approximately 180 professionals spread across the globe, you will ensure robust IT hosting and connectivity services for all Ubisoft games and services.In this role, you will collaborate with an international team of 7 experts, focusing on the implementation and management of Ubisoft's block and object storage solutions.Your responsibilities will be divided between project evolution and operational tasks, working closely with other domains such as network and cloud technologies.Your key responsibilities will include:Designing and managing storage infrastructure components with a focus on resilience, security, and performance.Collaborating with platform, development, and operational teams to translate application needs into actionable solutions.Implementing and enforcing security and compliance standards across all infrastructure layers.Monitoring resource utilization, adjusting capacities, and optimizing operational costs.Providing technical support for infrastructure services (N2/N3 support).Participating in on-call duty and addressing major incidents.Creating and maintaining technical documentation, runbooks, and recovery procedures.Our technical environment utilizes the following technologies: Ceph, Dell PowerFlex, Linux, Docker, GitLab, Ansible/AWX, Prometheus, Grafana.

Join Ubisoft, a global leader in video game development, as a Senior Financial Business System Analyst. In this pivotal role, you will leverage your analytical expertise to optimize financial systems and processes, ensuring alignment with business objectives. You will work closely with cross-functional teams to drive financial performance and enhance reporting capabilities.

Join Ubisoft as a Sales Planning & Operations Assistant for a 12-month internship starting in September 2026. This role is ideal for passionate individuals eager to learn and contribute to our dynamic sales planning team.In this position, you will assist in various operational tasks, support sales strategies, and collaborate with multiple departments to drive company performance. Your analytical skills and proactive approach will be essential in helping us achieve our sales targets.

Role overview iliad-free is seeking a Senior System Engineer to join the team in Paris. The position centers on designing, implementing, and maintaining complex systems that underpin the company’s digital solutions. This is a senior technical role with a focus on both new architectures and the ongoing evolution of existing infrastructure. What you will do Design system architectures for digital platforms Implement and maintain large-scale infrastructure Drive improvements for existing systems Work closely with technical teams to deliver reliable solutions Location This role is based in Paris.