Cybersecurity Engineer

Cybersecurity Engineer Position Start Date: Immediate Deadline: 16/01/2026 Location: Vlaams-Brabant, 2 days/week remote, 3 days/week onsite Languages Required: English, French Role: Cybersecurity Implementers – Infrastructure (DevSecOps Engineers) Responsibilities: Implement a DevSecOps approach to secure and upgrade infrastructure. Manage automated patch management systems within virtualized datacenters (VMware and/or Xen, Citrix). Ensure secure onboarding of new systems using predefined security standards. Protect critical infrastructures by hardening, segmenting, and safeguarding against technical threats and vulnerabilities. Document processes and track activities. Technical Scope: Physical and virtual servers, hypervisors, operating systems (Windows, Linux, Citrix, Xen, VMware, Kubernetes). Cloud environments and IaaS/PaaS platforms. Storage, backups, virtualization platforms. Reference Frameworks: CyFun2025, NIS2, ENISA ECSF, ISO/IEC 27001/27002, NIST CSF 2.0. Main Missions: Implement, manage, and secure patch management, hardening, and compliance systems. OS hardening and encryption. Automate VM onboarding and patching. Provide expertise for deployment, installation, and maintenance of system software. Respond rapidly to critical security updates. Manage patching for heterogeneous IT systems. Document via SOPs, procedures, and audit evidence. Set up operational test and validation environments. Manage constraints related to legacy systems. Implement rollback and automatic remediation mechanisms. Define and apply security baselines for Windows and Linux systems. Collaborate closely with infrastructure and application development teams. Technical Environments: Systems: Windows Server / Linux. Virtualization: VMware, Xen/Citrix, Docker, Kubernetes. On-premise datacenter. Possible tools: WSUS, SCCM, third‑party patch management tools, Ansible, PowerShell, Bash, hardening and compliance tools (GPO, SCAP, STIG, CIS baselines). Profile: A degree from a recognized university in a relevant discipline and five years of relevant professional experience are required. Alternatively, ten years of progressive and in-depth expertise in a similar role. Strong practical experience in designing, developing, implementing, testing, and maintaining patch management, orchestration, configuration, and change management tools. Proven ability to manage emergency situations related to urgent security updates. Expertise in designing and architecting automated patch systems. Expertise in Windows and/or Linux system administration. Solid experience in patch management and hardening. Mastery of security baselines and STIG. Good knowledge of virtualized environments. Experience with legacy systems. Skills in automation and scripting. Methodological Skills: Ability to design processes from scratch. Rigor, organizational skills, and prioritization. Strong writing and documentation skills. Autonomy and security‑oriented analytical mindset. Ability to interact with business stakeholders. Work in a high‑availability environment. Desired Profile: Experienced systems engineer/administrator. Strong sensitivity to security and compliance issues. Comfortable with technical debt, upgrades, and standardization contexts. Working Schedule: Full‑time positions working on‑premise. Once mutual confidence levels are established, a maximum of 2 days per week of remote working can be authorized. #J-18808-Ljbffr