Drupal Middleware Administrator Senior

We are looking for a Senior Drupal Platform Infrastructure Engineer to support and evolve missioncritical Drupal platforms on Ubuntu Linux. This role suits an experienced L3 infrastructure specialist with strong expertise in Linux Drupal platform operations security automation and performance ensuring reliability and continuity across complex web ecosystems.

Responsibilities:

• Design and evolve Drupal platform architectures on Ubuntu Linux ensuring high availability performance and resilience;
• Perform advanced L3 administration troubleshoot complex incidents and lead rootcause analysis across Drupal Linux web server caching load balancing search and storage layers;
• Review assess and approve Drupal modules from an operational performance security and maintainability perspective;
• Monitor security advisories across Drupal Core contributed modules Linux Apache/NGINX Varnish HAProxy Solr and supporting components prioritizing vulnerabilities and coordinating remediation;
• Optimize platform performance across all layers including Drupal runtime web servers caching load balancing search OS database interactions storage and network;
• Define and maintain secure operational procedures enforcing leastprivilege access controlled deployments and auditable change processes;
• Lead major changes such as upgrades migrations module lifecycle updates and architecture redesigns ensuring safe deployments and proper documentation;
• Develop automation scripts and contribute to CI/CD pipelines to industrialize deployments configuration management cache operations validation health checks and rollback procedures;
• Manage GitLabbased release processes ensuring deployments are secure automated repeatable and consistent across environments;
• Administer Ubuntu Linux servers hosting Drupal workloads including patching upgrades hardening capacity planning and OSlevel troubleshooting;
• Support disaster recovery business continuity and platform stability through proactive monitoring capacity management and operational governance;
• Collaborate with development Linux database network security and observability teams to translate operational requirements into automated and supportable platform solutions;
• Contribute to observability initiatives supporting Grafana dashboards Prometheus metrics Loki logs and operational KPIs SLOs and alerting;
• Produce and maintain technical documentation (HLD/LLD runbooks procedures deployment guides) and enrich internal knowledge bases.

Qualifications :

• 510 years of experience in Linux platform engineering or Drupal infrastructure operations within production environments;
• Strong background in Drupal platform architecture module governance lifecycle management and operational stability;
• Experience working in multicustomer or servicecenter environments (MSP/outsourcing) is highly valued;
• Advanced expertise in Ubuntu Linux Apache/NGINX Varnish HAProxy Solr and enterprise web hosting components;
• Solid knowledge of HA caching load balancing search configuration management and controlled deployment strategies;
• Strong skills in performance analysis bottleneck identification capacity monitoring and rootcause troubleshooting across multilayer web platforms;
• Proficiency in automation and scripting (Bash Shell Python Ansible) and contribution to CI/CD pipelines (GitLab);
• Knowledge of security best practices: vulnerability management hardening CVE assessment auditing and compliance frameworks;
• Ability to manage priorities remain calm under pressure and perform effectively in oncall situations;
• Strong communication skills and ability to collaborate with crossfunctional technical teams;
• Organized autonomous customeroriented and comfortable working in demanding SLAdriven environments;
• Fluent English required; French or Dutch are considered a plus.

Remote Work :

No

Employment Type :

Full-time