Medior Splunk and Linux System engineer

Our client is seeking an experienced System Engineer to support and further develop its Linux-based infrastructure and Splunk environment. This role combines hands-on Linux system engineering with Splunk administration, monitoring, and platform engineering in a large-scale enterprise environment. Key responsibilities include managing and supporting Linux-based infrastructure and Splunk platforms, resolving incidents and service requests, performing OS-level diagnostics and troubleshooting, executing maintenance activities and upgrades, designing and implementing Splunk solutions and data integrations, configuring Universal Forwarders and Heavy Forwarders, indexes and sourcetypes, parsing and field extractions, dashboards, reports, and alerts, improving data quality and platform performance, conducting root cause analysis, collaborating with cross-functional teams, ensuring security and compliance, exploring new Splunk capabilities and automation, developing automation through scripting and Infrastructure-as-Code, and contributing to proof-of-concepts.

Must-have requirements include minimum 4 years of experience managing Linux-based infrastructure in enterprise-scale environments, at least 2 years of hands-on Splunk administration, experience with physical, virtualized, and containerized infrastructures, native or professional proficiency in Dutch or French, professional working proficiency in English, Splunk expertise in data onboarding, SPL, searches, dashboards, reports, alerts, field extractions, platform monitoring, understanding of indexes, sourcetypes, parsing, RBAC, log aggregation, and event correlation.

Linux expertise includes end-to-end administration of Red Hat Enterprise Linux, troubleshooting and performance tuning, Red Hat Satellite 6.x, provisioning, patch management, lifecycle management. Automation & DevOps includes strong experience with Ansible Automation Platform, Infrastructure-as-Code mindset, GitLab, Azure DevOps, CI/CD pipelines, automation workflows, and scripting in Bash and/or Python. Nice-to-have skills include Podman/OCI, VMware, NetApp, hardware lifecycle management, endpoint protection tools such as Trend Micro Deep Security and ClamAV, security and networking solutions like Palo Alto, Check Point, F5, InfoBlox, experience correlating infrastructure/network/security events, and vendor management.

The working environment is ITIL-driven with focus on incident, problem, change, and service request management, monitoring-driven operations, and cross-functional collaboration.

Assignment details: Location Brussels Region, Full-time, Hybrid working with remote work policy according to client guidelines.

Duration: 09/11/2026 - 31/12/2027.

Type: Freelance.