OpenShift Security Expert / Micro-Segmentation - Level 4 in Paris

English Context : Professional – Imperative As part of the deployment and security of the Group's OpenShift platforms, particularly internationally in the Americas (AMER) and Asia-Pacific (APAC) regions, we are seeking an OpenShift Security / Network Security Expert for containerized environments. The consultant will participate in defining and implementing a robust and consistent network security strategy for OpenShift environments. They will work within a hybrid and heterogeneous filtering ecosystem and will need to understand the security of network flows holistically, from their definition to their monitoring and maintenance in operational condition. A significant aspect of the role will also involve knowledge transfer and support for internal teams, particularly in the Americas (AMER) and Asia-Pacific (APAC) regions.Main Missions Strategy & Architecture • Define and formalize network filtering policies and strategies; • Define flow security and micro-segmentation rules; • Participate in the implementation of OpenShift infrastructures in AMER and APAC regions; • Participate in defining the architectural standards for containerized platforms; • Anticipate the extension of platforms to host virtual machines via OpenShift Virtualization; • Define and implement technical security architectures.Security & Network Expertise • Manage the implementation and administration of OpenShift security rules; • Administer and secure Load Balancing components; • Collaborate with Platform, Network and Security teams; • Analyze connectivity incidents and security alerts; • Define and manage remediation plans ; • Participate in the implementation and monitoring of the Security Policy; • Investigate exceptions to the Security Policy; • Participate in internal and external audits and ensure the implementation of recommendations; • Ensure the operational maintenance of security infrastructures: monitoring, incidents, problems, installation and configuration.Automation, SOC & Continuous Improvement • Identify automation needs for workflow and compliance management; • Collaborate with development teams on implementation; • Collaborate with the SOC on the design of security dashboards using Splunk; • Write security guides, standards and best practices; • Propose solutions to improve security, quality, performance and operating costs.Skills transfer • Support and train internal teams on best practices for securing OpenShift; • Support the international AMER / APAC teams; • Act as a reference and mentor to the Network Security (SRE) team; • Ensure technological monitoring of OpenShift security solutions.Required skills : • OpenShift: Expert; • English: Minimum professional level; • Significant expertise in containerized environment security; • Experience in large, critical and regulated enterprise environments; • Definition and implementation of technical security architectures.Important: • Micro-Segmentation: Minimum confirmed; • Network security and flow filtering; • Management of technical teams; • Maintenance in operational condition of security infrastructures.Desirable/differentiating: • Load Balancing: Confirmed; • OpenShift Virtualization; • Splunk/SOC collaboration; • Automation of security rules and flows; • International experience or collaboration with AMER/APAC teams.We are looking for an OpenShift expert specializing in network security, not just an OpenShift administrator or DevOps engineer. The ideal candidate will demonstrate significant experience securing large-scale OpenShift platforms, particularly in network filtering, micro-segmentation, traffic security, security policy administration, and connectivity incident analysis. Experience in critical, regulated, and enterprise environments is highly desirable. The consultant must also be able to act as a technical lead, recommend security architectures and solutions, manage technical teams, and ensure knowledge transfer.Application: CV + cover letter + copies of diplomas to be sent to contact@keoni.fr #J-18808-Ljbffr