L2/ L3 Support Operations Engineer

We are seeking an experienced L2/L3 Linux Operations Engineer to support and maintain enterprise Red Hat Enterprise Linux (RHEL) environments. The role requires hands-on Linux administration, production troubleshooting, operational automation using Red Hat Ansible Automation Platform, and system lifecycle and patching management through Red Hat Satellite. A strong operational mindset, problem-solving skills, and commitment to high system availability and compliance are required.

What we offer

• Long-term B2B contract
• Rate: €35/hour + VAT
• Hybrid work: 1–2 days in the Warsaw office

Key Responsibilities

• Provide L2 operational support for RHEL 7/8/9 servers across Production, UAT, DR, and Development environments.
• Troubleshoot OS, application, performance, storage, and network-related issues while meeting SLA commitments.
• Perform user, filesystem, LVM, service, package, and security administration.
• Execute OS patching, vulnerability remediation, and lifecycle management using Red Hat Satellite.
• Manage Satellite components, including Content Views, Lifecycle Environments, Activation Keys, Host Collections, Repository Synchronization, Remote Execution, and Subscription Management.
• Develop and maintain Ansible Playbooks, Roles, Templates, and Job Templates to automate routine operational tasks, including patching, configuration management, user provisioning, and compliance checks.
• Troubleshoot and optimize Ansible automation workflows and maintain automation code in Git.
• Monitor system health, investigate alerts, perform root-cause analysis, and implement preventive measures.
• Create and maintain technical documentation, SOPs, and knowledge-base articles.
• Collaborate with L3 engineers, application teams, and infrastructure teams during incident, change, and problem-management activities.
• Participate in 24×7 on-call support and planned maintenance activities.

Key Requirements

• Strong hands-on experience with Red Hat Enterprise Linux (RHEL 7/8/9).
• Experience administering Red Hat Satellite for patching, provisioning, and lifecycle management.
• Hands-on experience with Red Hat Ansible Automation Platform, including Playbooks, Roles, Inventories, Templates, Workflows, and Ansible Vault.
• Solid knowledge of Linux administration, including LVM, XFS/ext4, systemd, SELinux, firewalld, SSH, DNS, NFS, and package management (YUM/DNF).
• Experience with monitoring tools such as SCOM and Netmon.
• Familiarity with VMware/KVM virtualization and basic cloud concepts (AWS/Azure) is desirable.
• Experience with ITSM tools such as ServiceNow and a good understanding of ITIL processes.