OPEN

www.open.global

21 Jobs

4,372 Employees

About the Company

Bienvenue sur la Page LinkedIn d'Open ! Plus de 1200 nouveaux collaborateurs en 2025 ! #1200byOpen Avec 4000 collaborateurs et un chiffre d’affaires de 420 M€ en 2024, Open se positionne comme le partenaire de confiance, l'industriel de l'innovation qui accompagne les grands acteurs privés et publics dans leur transformation IT & Digitale, afin d’accroitre leur compétitivité. Open opère principalement en France et à l’international au Luxembourg et Roumanie. Comment ? En apportant une proposition de valeur centrée sur la modernisation des écosystèmes applicatifs et des infrastructures, l'intégration de plateformes technologiques, le déploiement de nos solutions SaaS et la mise en œuvre de l’Intelligence Artificielle au cœur de la dynamique d’innovation, pour créer de nouveaux leviers de performance et d’anticipation. Open inscrit sa raison d’être dans une logique d’avenir « Faire du numérique le vecteur de transformation d'un monde plus humain et durable » en cohérence avec ses valeurs d’entreprise : Agilité, Responsabilité, Engagement. #WeAREOpen

Listed Jobs

Company Name: OPEN
Job Title: Architecte Systèmes et Cloud H/F
Job Description: **Job Title** System and Cloud Architect (M/F) **Role Summary** Provide technical leadership for clients’ digital transformation projects. Define and validate technology road‑maps, design cloud and infrastructure solutions, and guide execution teams on best practices, security, and automation. Drive continuous improvement through community engagement and technical evangelism. **Expectations** - Architect and validate new projects from feasibility to implementation. - Deliver technology road‑maps and architectural governance. - Mentor engineering teams, ensuring alignment with standards and models. - Promote industrialization, automation, and continuous delivery. - Lead risk analysis and contribute mitigation plans. **Key Responsibilities** 1. Design and select cloud, container, and infrastructure architectures for Azure, AWS, GCP, and on‑prem virtualization (VMware). 2. Create and maintain CI/CD pipelines using GitLab, Jenkins, or Azure DevOps. 3. Automate deployments with Ansible, Terraform, Puppet, and other IaC tools. 4. Conduct risk assessments, update mitigation strategies, and monitor compliance. 5. Facilitate and contribute to technical communities, internal workshops, and external conferences. 6. Perform technical training, knowledge sharing, and support the adoption of emerging technologies. **Required Skills** - Cloud platforms: Azure, AWS, Google Cloud Platform - Containerization: Docker, Kubernetes - CI/CD & DevOps: GitLab, Jenkins, Azure DevOps, Ansible, Terraform, Puppet - Virtualization: VMware - Architecture design, architectural frameworks, and standards implementation - Risk analysis and mitigation planning - Strong communication, influence, and teaching abilities **Required Education & Certifications** - Bachelor’s (or higher) degree in Computer Science, Information Technology, or related field. - Professional certifications highly desirable: - AWS Certified Solutions Architect – Associate/Professional - Microsoft Certified: Azure Solutions Architect Expert - Google Professional Cloud Architect - Certified Kubernetes Administrator (CKA) / Certified Kubernetes Application Developer (CKAD) - Terraform Associate / Ansible Certified Engineer Experience in a senior technical architecture role within enterprise IT or consulting environments is required.

Lille, France

Hybrid

28-12-2025

Company Name: OPEN
Job Title: Concepteur Développeur Java Angular H/F
Job Description: **Job Title** Senior Java & Angular Developer **Role Summary** Design, develop, test, and maintain Java/J2EE and Angular applications in an agile environment. Collaborate with cross‑functional teams to translate business requirements into technical solutions, produce documentation, and ensure high quality through rigorous testing and continuous maintenance. **Expectations** - Minimum 7 years of professional development experience. - Proven expertise in Java J2EE, Spring, and Angular. - Strong analytical and teamwork skills. - Comfortable working within agile (Scrum/Kanban) frameworks. **Key Responsibilities** - Analyze business needs and co‑author specifications. - Design and implement Java and Angular modules following industry best practices. - Write technical documentation, user guides, and API references. - Execute unit, integration, and system tests; validate functionality and performance. - Perform corrective and evolutionary maintenance across the application lifecycle. - Collaborate with UX, testing, and operations squads to deliver cohesive solutions. **Required Skills** - Proficient in Java (J2EE) programming. - Deep knowledge of Spring framework (MVC, Boot, Data, etc.). - Expert in Angular (latest version). - RESTful API design and implementation. - SQL/database proficiency. - Version control (Git). - Agile development practices (Scrum or Kanban). - Strong problem‑solving, analytical, and communication abilities. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or equivalent professional experience. - Certifications in Java, Spring, Angular, or Agile (e.g., Scrum Master) are preferred but not mandatory.

Company Name: OPEN
Job Title: Ingénieur DevOps (H/F)
Job Description: **Job Title:** DevOps Engineer **Role Summary:** Support the organization’s DevOps transition by designing, implementing, and maintaining scalable infrastructure and automation pipelines. Drive continuous integration and delivery (CI/CD) for applications, manage multiple environments (Dev, Pre‑Prod, Prod), and collaborate with development and operations teams to ensure reliability, performance, and rapid deployment. **Expectations:** - Proven experience in integration, deployment, and operations within a DevOps context. - Solid understanding of cloud‑native microservices architecture and hands‑on automation. - Ability to translate requirements into secure, efficient, and maintainable technical solutions. **Key Responsibilities:** - Design and implement new infrastructure solutions (IaC, container orchestration). - Build and maintain CI/CD pipelines using GitLab CI and related tools. - Automate deployment and configuration of services across all environments. - Integrate new development releases and provide support for project teams. - Manage and provision environments (Dev, Test, Pre‑Prod, Prod). - Conduct technical studies, feasibility analyses, and risk assessments. - Continuously improve system performance, observability, and operational excellence. - Collaborate with cross‑functional teams to align on architecture, security, and best practices. **Required Skills:** - Kubernetes, Docker, GitLab CI, Ansible, Linux (RedHat/CentOS) - Scripting: Bash, Python - Monitoring & Observability: Grafana, Prometheus, ELK/EFK stack - CI/CD concepts (build, test, deploy) and DevOps toolchain integration - Infrastructure as Code (IaC) principles and version control (Git) - Performance tuning, logging, alerting, and incident response - Strong problem‑solving, communication, and collaboration abilities **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent professional experience). - Relevant certifications (e.g., Docker Certified Associate, Certified Kubernetes Administrator, Red Hat Certified Engineer) are desirable but not mandatory.

Aix-en-provence, France

Hybrid

31-12-2025

Company Name: OPEN
Job Title: Concepteur développeur fullstack Java/Angular/ AWS (H/F)
Job Description: **Job title** Full Stack Developer – Java / Angular / AWS **Role Summary** Operate within a product team to design, develop, test, deploy, and maintain mission‑critical business applications for the energy sector, leveraging Java 17, Angular 14, Spring Boot 3, and AWS cloud services. **Expactations** - Minimum 5 years of end‑to‑end application development in Java/Angular within Agile environments. - AWS Certified Developer (Associate) required; AWS Solutions Architect (Associate) highly preferable. - Proven experience with microservices and hexagonal architecture. - Strong orientation to code craftsmanship, test‑driven and behavior‑driven development, and continuous improvement. - Practical knowledge of the energy industry is essential. **Key Responsibilities** - Participate in design workshops and Agile ceremonies (sprints, retrospectives, demos). - Implement new features and enhance existing ones: design, coding, unit & integration testing, continuous delivery. - Ensure code quality through peer reviews, pair programming, and adherence to best‑practice patterns. - Mentor junior developers and foster a collaborative team culture. - Contribute to application performance monitoring and incident response. - Propose and drive improvements to code quality, architecture, and DevOps processes to meet Accelerate/DORA metrics. **Required Skills** - **Programming**: Java 17, Spring Boot 3, Angular 14, TypeScript, JavaScript. - **Architecture**: Microservices, Hexagonal (Ports & Adapters), API‑first design. - **Testing**: TDD, BDD, unit & integration testing frameworks. - **DevOps & Cloud**: Jenkins, GitLab CI, Terraform, Docker, Kubernetes/OpenShift, AWS (Lambda, ECS/EKS, S3, CloudWatch, IAM, etc.), Ansible. - **Methodology**: Agile (Scrum/Kanban). - **Soft Skills**: Analytical reasoning, communication, collaborative mindset, proactive problem solving. **Required Education & Certifications** - Bachelor’s degree or higher in Computer Science, Software Engineering, or related discipline. - AWS Certified Developer – Associate (mandatory). - AWS Certified Solutions Architect – Associate (preferred).

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