Senior System Engineer - Paris - H/F

Role Overview iliad-free is hiring a Senior System Engineer in Paris. This role focuses on designing, implementing, and maintaining complex systems that support the company’s digital solutions. What You Will Do Design system architectures for digital platforms Implement and maintain large-scale infrastructure Support ongoing improvements to existing systems Collaborate with technical teams to deliver reliable solutions Location This position is based in Paris.

Join our cutting-edge team at iliad-free as a Network Core Systems Engineer in Paris. We are looking for a talented and motivated individual to help us design, implement, and optimize our core network systems. As part of our dynamic Réseaux & Telecom department, you will play a crucial role in ensuring the reliability and performance of our network infrastructure.

As a Senior Data Engineer / Architect reporting to the Head of Network Automation, you will play a pivotal role in designing the overarching data architecture, ensuring scalability and robustness of data solutions.Your responsibilities will include overseeing data engineering efforts, implementing data governance policies, and maintaining the quality and management of metadata.This position requires close collaboration with data scientists and DevOps teams to ensure seamless integration and optimal performance of data solutions.Moreover, this role includes a technical leadership aspect, acting as a Tech/Dev Lead, supervising the technical aspects of the Data Engineers/Devs team or squad, and guiding best development practices.Your key responsibilities will involve:Architecture Design: Crafting the architecture for data lakes and warehouses, ensuring they are scalable and high-performing.Data Engineering Oversight: Supervising the development and optimization of data pipelines, RESTful APIs, and ETL processes.Data Governance: Implementing data governance policies, ensuring data quality, and managing metadata.Technical Collaboration: Collaborating with data science and DevOps teams to integrate data solutions within existing infrastructure.Technical Leadership: Experience in managing technical teams, solving complex technical issues, and mentoring on best development practices.

Join Alten, a leader in technology consulting and engineering, as an ADAS Systems Engineer (H/F) in Paris. You will play a pivotal role in the development of advanced driver-assistance systems, ensuring cutting-edge innovations in automotive safety and performance.

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.

About H:At H, we are at the forefront of advancing superintelligence through agentic AI. Our mission is to automate intricate, multi-step tasks that are traditionally handled by humans, enabling AI agents to unlock the full potential of human capabilities.We are on the lookout for the brightest minds in AI, those who are as committed to building responsibly and safely as they are to pioneering groundbreaking agentic functionalities. We foster a culture of openness, continuous learning, and collaboration, where every team member's contribution is valued.About the Team:The Product Engineering Team plays a critical role in the successful deployment and management of our Agents and Inference platforms, alongside auxiliary services that support our Research department and lay the groundwork for innovative agentic products and services that we offer to the market.Key Responsibilities:Lead the definition of technical architecture, design, and long-term engineering strategy.Design, develop, and maintain complex, high-performance, scalable systems.Mentor and guide engineers across various teams to foster a culture of technical excellence.Perform comprehensive code and design reviews to ensure adherence to quality and security best practices.Collaborate with Research, Engineering, and stakeholders to deliver impactful solutions.Drive enhancements in system reliability, scalability, and observability.Establish and uphold engineering standards, tooling, and processes.Advocate for technical innovation and proactively manage technical debt.

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.

Are you looking to join a leading fintech company in credit and insurance, known for its strong growth, innovation, and an abundance of projects? If so, this opportunity could be perfect for you!As part of the Data, AI & CRM department, you will join the Data for Business team responsible for developing data and AI products across all our operations.In an agile environment, you will be part of a team of 5, including data analysts, data engineers, and a Product Manager.Your responsibilities :Define, design, and implement strategies related to the Data Platform:Architecture (currently using BigQuery, Cloud Storage, Dataflow, Pub/Sub, Cloud Composer, Azure exposure) in collaboration with the Architecture teams to ensure cost-effective availability of data;Ensure Data Platform security by working closely with the Group's Cybersecurity teams;Functional coverage (tools, business functions) for the Group and feeding the Bronze layer, which includes implementing and maintaining reliable and efficient data pipelines using Python (ETL/ELT approaches);Build the Silver layer (customer references, opportunities, products, consent, etc.) aligned with business needs, including implementing and maintaining DBT pipelines and providing meta data, especially data models;Monitor activity to ensure data reliability for all our operations.Define, design, and implement the data governance strategy:Contribute to the implementation of data governance (Fluidity, Data Quality, outreach, cultural awareness) with business units and data consumers (Data Analysts, Finance, Data Scientists, etc.).Organize the framework and processes:Establish and promote modern engineering practices: CI/CD, automated testing, infrastructure as code, GenAI for Data, MCP Data Platform, particularly in collaboration with Software Engineering teams.Communicate and collaborate:Be the point of reference for the data engineering team (team leadership, code reviews, skills development) and assist in team recruitment.Maintain an active watch on cloud and data technologies to propose continuous improvement initiatives.

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 Believe, an innovative leader in the music industry, as a Senior Data Engineer. In this pivotal role, you will leverage your expertise in data engineering to drive insightful analytics and support our data-driven decision-making processes. You will collaborate with cross-functional teams, ensuring the integrity and availability of our data systems.

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!

Join Bosch Group as a Maintenance Technician specializing in heating systems in Paris. In this role, you will be responsible for ensuring optimal performance and reliability of heating equipment. You will diagnose issues, perform repairs, and conduct regular maintenance to uphold our commitment to quality and safety.

Join our dynamic Salesforce team at Believe, where you will be instrumental in delivering cross-functional tools for our internal teams focused on sales and customer support. Your role will encompass participating in the entire lifecycle of our motivated and cohesive team. Your Responsibilities:Analyze expressed needs, challenge them, and evaluate their feasibility.Contribute to the development and execution of the roadmap.Collaborate with Product teams to design and estimate technical solutions that align with business requirements.Develop and maintain Salesforce applications adhering to KISS & YAGNI principles.Ensure the performance, resilience, security, and scalability of developed solutions.Participate in implementing and adhering to development best practices, including code reviews, TDD, Clean Code, Software Craftsmanship, and pair/mob programming.Engage in knowledge sharing within the squad and contribute actively to Believe's sharing rituals (Tech talks, Demos, Tech radar) when opportunities arise.Assist in release management, including technical documentation and testing.Contribute to continuous improvement in development processes.Foster a pleasant, positive, and collaborative work environment.

Join our dynamic team at iliad-free as a NetSysOps Engineer in Paris. In this role, you'll play a crucial part in optimizing and maintaining our network systems, ensuring seamless operations and enhanced performance. You will collaborate with cross-functional teams to implement innovative solutions and improve system reliability.

Established in France and the United States, Gojob is at the forefront of AI-driven recruitment.Our Mission: To develop cutting-edge innovations that make the job market more fluid and accessible, while supporting individuals with dignity.At Gojob, we believe in staffing instantly, at scale, and with care.As a member of the French Tech 120 (FT120) since 2021 and recognized in the Next 40 in 2025, Gojob has been celebrated twice by the prestigious Financial Times rankings and achieved B Corp status in 2023, continuing its rise in the employment market.Our project is built on three pillars:Innovation: Our 100% tech ecosystem, data infrastructures, and our AI “Aglaé” - Gojob's Artificial Intelligence - revolutionize recruitment processes and reinvent individual support. From sourcing to onboarding and training, technology is integral to our operations.Efficiency: We commit to delivering concrete and transparent operational results for our clients: over 95% service rate and an average staffing time of just 24 minutes. For our “Gojobbers”, we provide unique support tailored to their professional journeys, including financial services and 24/7 assistance.Impact: As a B-Corp and a Social and Solidarity Economy (ESS) company, our mission is embedded in our corporate charter, and we manage our operations with indicators related to our impact on the job market.Key Figures:- 80,000 recruitments completed for major corporations and mid-sized companies- 40% revenue growth projected for 2024- €25M invested in Research & Development- 2,000,000 applications processed by AI each year- 20,000 AI-managed conversations each week- 2,000,000,000 matching scores calculated by AI weekly

About Our Missions:At Avisia, we engage with our clients on 100% data-focused projects that integrate both technical and strategic dimensions, where data drives operational performance. As a Data Engineer, you will be the architect who makes data actionable. Depending on your profile, you will contribute to building robust data platforms (Data Lakehouse) or the industrialization of complex flows intended for AI.Our clients, spanning luxury, retail, telecommunications, and banking sectors, are facing an explosion in the volume and variety of data. Your role will be to ensure the fluidity, quality, and security of these data flows.Current Projects Include:Migrating on-premise legacy systems to a Cloud Lakehouse architecture (Snowflake/Databricks). #CloudMigrationIndustrializing complex pipelines on GCP (BigQuery, Dataform) with a strong observability culture (Dynatrace) and CI/CD practices. #OrchestrationDeploying applications, APIs, and AI services (ML prediction algorithms, chatbots, etc.) #MLOpsAuditing and redesigning ingestion pipelines to reduce computing and storage costs on GCP or AWS. #PerformanceDeveloping Kafka components, exposing them via APIs, and ensuring the performance of real-time flows on an international scale. #Streaming

Join our dynamic team at iliad-free, where you will take the helm of significant national and international projects. Your technical expertise will enhance the experience of millions of subscribers, whether it’s streamlining their in-store journey or managing our information systems in the Caribbean. Main ResponsibilitiesGather and analyze requirements from stakeholders to ensure clarity and relevance.Challenge the needs presented to guarantee their significance and added value.Develop and maintain the product roadmap while proactively communicating updates.Engage regularly with all project stakeholders to ensure alignment.Work closely with the team to prioritize tasks and organize workflows effectively.Promote the adoption of agile practices tailored to the team's needs. 

Join Magellan Partners as a Senior Consultant in Systems Integration and Projects. In this pivotal role, you will lead complex projects that drive innovation for our esteemed clients in various sectors. Your expertise will be crucial in navigating the challenges of integration, ensuring that systems work seamlessly together to deliver optimal solutions.As a key player in our team, you will collaborate with various stakeholders, mentor junior consultants, and contribute to the strategic vision of our projects. This is an opportunity to leverage your experience and make a significant impact in a dynamic and collaborative environment.

Join our dynamic team at iliad-free as a Network Performance Engineer in Paris. In this pivotal role, you will be responsible for optimizing and enhancing the performance of our core network infrastructure. You will work closely with cross-functional teams to ensure the highest standards of network efficiency and reliability.

Nous recherchons un Infirmier en santé au travail (F/H) passionné par le bien-être des employés et la prévention des risques professionnels. Dans ce rôle, vous serez responsable d'assurer une bonne santé physique et mentale au travail, en fournissant des conseils, des évaluations et des interventions appropriées.Vous travaillerez en étroite collaboration avec les équipes RH pour développer et mettre en œuvre des programmes de santé au travail, tout en participant à des initiatives de sensibilisation et de formation. Ce poste est idéal pour un professionnel soucieux d'améliorer la qualité de vie au travail et de promouvoir un environnement de travail sain.