Are you a tech-savvy engineer passionate about optimizing large-scale environments and automating wherever possible? We're looking for a Senior System Engineer to manage a large on-prem Elastic environment and make an impact from day one.Your MissionManage and maintain Linux servers and the Elastic StackOptimize and monitor using Elastic APMAutomate processes where feasible with AnsibleParticipate in on-call rotations and maintain reliable notification systemsCommunicate clearly, structure your work, and coordinate effectively with the teamMust-Have Skills & ProfileStrong technical expertise: Linux, Elastic Stack, Elastic APMAutomation mindset: Ansible or similar toolsProblem-solving: proactive, efficient, and hands-onCommunication: clear, structured, convincingAdministrative strength: organized and detail-orientedTeam player with English fluency (Dutch is a plus)Why this role?Be at the heart of a critical, large-scale Elastic environmentTake ownership and introduce efficiency through automationWork in a collaborative, tech-driven team with flexibility and challenges