L2/L3 Linux Operations Engineer

Job Description

Please note that this position requires a hybrid working model, with attendance at the Warsaw Hub for 1–2 days per week :)

We are seeking an experienced L2/L3 Linux Operations Engineer to support and maintain enterprise Red Hat Enterprise Linux (RHEL) environments. The ideal candidate will have hands-on experience in Linux administration, troubleshooting production issues, automating operational tasks using Red Hat Ansible Automation Platform, and managing system lifecycle and patching through Red Hat Satellite. The role requires a strong operational mindset, excellent problem-solving skills, and a commitment to maintaining high system availability and compliance.

What we offer:

• Long Term B2B Contract

• Rate: 35 euro/h + VAT

• Hybrid ( 1-2 days Warszawa 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 such as 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.

Qualifications

• Bachelor's degree or Master's degree in Computer Science, Information Technology, or a related field.

• Experience supporting enterprise production environments.

Preferred Certifications

• RHCSA / RHCE

• Red Hat Certified Specialist in Ansible Automation

• Red Hat Certified Specialist in Deployment and Systems Management

• ITIL Foundation

Key Competencies

• Strong troubleshooting and analytical skills.

• Automation-first mindset with a focus on operational excellence.

• Excellent communication and documentation skills.

• Ability to work effectively in a 24×7 enterprise support environment.