Senior Production Engineer M/F

Job description Orange Cyberdefense is the strategic entity of the Orange Group dedicated to digital security. We support companies of all sizes, critical organizations, government agencies and local authorities in designing their cybersecurity strategies, their implementation and their operational management. We bring our expertise to ensure the best level of protection for their data, their equipment and the services they offer to their customers or citizens. With revenue of €1.3 billion in 2025, 7% growth and more than 3,300 experts dedicated to cybersecurity, we position ourselves today as the European Leader in the cyberdefense market. Our mission is to build a safer digital society. We are looking for a senior production engineer to ensure the availability, security and evolution of our environments. You will work on infrastructures integrating firewall, Zero Trust, CLM and WAF solutions, as well as uses related to artificial intelligence. Within a project team, you will work on the technical deployment related to network security and may be asked to take part in the following tasks: - Project delivery: engineering, deployment, migration / go-live, knowledge transfer - Preparation of technical documentation, general and detailed specifications - Design and implementation of security architecture - In-depth support on complex problems during the implementation phase at customer sites - Ensuring the proper operation and availability of production environments. - Administering, configuring and maintaining firewall and WAF solutions. - Taking part in the management of the certificate lifecycle (CLM): issuance, renewal, revocation and monitoring. - Handling incidents, analyzing root causes and implementing corrective actions. - Automating recurring tasks and contributing to the continuous improvement of operations. - Supporting the integration and operation of services based on AI, in compliance with security and availability requirements. - Writing and maintaining operational documentation and procedures. - Technology watch, an essential element of expertise. Holding a Bac+4/5 degree (master's level), you have at least 5 years of experience in security matters (ideally with an integrator). You are experienced in production engineering or in systems and network operations. Proficiency in firewall administration and knowledge of WAF solutions. You have a good understanding of production environments, monitoring and incident management. Experience in certificate management and knowledge of CLM tools or processes would be a plus. So would automation and scripting practices, as well as an appetite for using AI and an interest in the operational and security challenges related to AI services. You are rigorous in methodology, in writing reports and deliverables, autonomous and able to collaborate with multidisciplinary teams. Our mindset: a collaborative and empowering culture, with committed teams, intrapreneurship initiatives and structured onboarding so that you can quickly become operational. Your career: you will work on varied missions, with many customers, technologies and publishers. You will develop your expertise through training, certifications and internal mobility and international opportunities. Your well-being and work-life balance: remote working, support for sports and cultural activities, and concrete actions around mental health. Our CSR commitments: we develop responsible cybersecurity solutions, act with our ecosystem to reduce our environmental impact and support impact initiatives led by our employees. Our other benefits: meal vouchers, 75% public transport reimbursement, supplementary health insurance, profit-sharing (Orange Group), incentive plan, employee savings plan, time savings account, gift vouchers, holiday bonus, etc. Challenge, kindness and expertise will be at the heart of your daily work. Join us! At Orange, only your skills matter. Regardless of your age, gender, origin, background, religion, sexual orientation, disability, neurodiversity or appearance, we actively encourage diversity within our teams, as it is a strength for the collective and a driver of innovation. Orange is a disability-friendly company: do not hesitate to tell us about your specific needs. Orange Cyberdefense is the strategic entity of the Orange Group dedicated to digital security. We support companies of all sizes, critical organizations, government agencies and local authorities in designing their cybersecurity strategies, their implementation and their operational management. We bring our expertise to ensure the best level of protection for their data, their equipment and the services they offer to their customers or citizens. With revenue of €1.3 billion in 2025, 7% growth and more than 3,300 experts dedicated to cybersecurity, we position ourselves today as the European Leader in the cyberdefense market. Our mission is to build a safer digital society.