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. As a System Engineer, you will be responsible for ensuring the stability, performance, and continuous improvement of Linux systems and Splunk services.

Key responsibilities include: managing and supporting Linux-based infrastructure and Splunk platforms; resolving incidents and service requests in a timely manner; performing OS-level diagnostics and troubleshooting using Linux tools and Splunk analytics; executing maintenance activities, upgrades, and platform changes according to established processes; designing, implementing, and optimizing Splunk solutions and data integrations; configuring and maintaining Universal Forwarders and Heavy Forwarders, indexes and sourcetypes, parsing and field extractions, dashboards, reports, and alerts; improving data quality, service visibility, and platform performance; conducting root cause analysis and implementing long-term corrective actions; collaborating with cross-functional teams to integrate new data sources into Splunk; ensuring Linux environments remain secure, compliant, and reliable; exploring new Splunk capabilities, apps, integrations, and automation opportunities; developing automation solutions through scripting and Infrastructure-as-Code; contributing to proof-of-concepts, R&D initiatives, and continuous improvement projects.

Must-Have Requirements: Experience: minimum 4 years of experience managing Linux-based infrastructure in enterprise-scale environments; at least 2 years of hands-on experience with Splunk administration and support in production environments; experience with physical, virtualized, and containerized infrastructures.

Languages: native or professional proficiency in Dutch or French; professional working proficiency in English.

Splunk Expertise: data onboarding and management using Universal Forwarders, Heavy Forwarders, Splunk Apps and Add-ons; strong knowledge of SPL (Search Processing Language); experience building searches, dashboards, reports, alerts, field extractions; Splunk platform monitoring and troubleshooting; understanding of indexes and sourcetypes, parsing and data retention, role-based access control, log aggregation and metrics collection, event correlation and anomaly investigation.

Linux Expertise: end-to-end administration of Red Hat Enterprise Linux (or equivalent); strong troubleshooting and performance tuning capabilities; experience with Red Hat Satellite 6.x, provisioning and patch management, lifecycle management.

Automation & DevOps: strong experience with Ansible Automation Platform; Infrastructure-as-Code mindset; experience with GitLab, Azure DevOps, or similar Git-based platforms, CI/CD pipelines, automation workflows, monitoring and operational integrations; scripting skills in Bash and/or Python.

Nice-to-Have Skills: Podman / OCI container technologies; VMware virtual environments; NetApp storage solutions; hardware lifecycle management; endpoint protection tools such as Trend Micro Deep Security and ClamAV; knowledge of security and networking solutions: Palo Alto, Check Point, F5, InfoBlox; experience correlating infrastructure, network, and security events for incident analysis; vendor management and software licensing experience.

Working Environment: ITIL-driven environment with strong focus on Incident Management, Problem Management, Change Management, Service Request Management; monitoring-driven operations with an emphasis on diagnostics, observability, and operational excellence; cross-functional collaboration across infrastructure, operations, and security teams.

Assignment Details: Location: Brussels Region; Work Regime: Full-time; Hybrid Working: Remote work policy applicable according to client guidelines.

Job specifications: ID 14167; Duration: 09/11/2026 - 31/12/2027; Location: Brussels; Type: Freelance.