The Junior Linux Ops role will assist in maintaining and enhancing Chubb Asia Pacific's global Linux server infrastructure. You will work with cross-functional teams, automate routine tasks, and ensure high availability of mission-critical services while participating in on-call support and disaster recovery activities.
- Investigate and diagnose incidents and problems on Red Hat (RHEL) and SUSE (SLES) servers.
- Participate in a follow-the-sun model to support the global Linux environment.
- Collaborate with network, security, development, and application teams on infrastructure implementations.
- Provide training, mentorship, and act as escalation point for junior team members.
- Automate operational, monitoring, and integrity-verification processes using runbooks and scripts.
- Perform daily system monitoring, log review, and verify availability of key processes.
- Create and maintain documentation for Linux infrastructure installation, configuration, and troubleshooting.
- Identify monitoring/alerting gaps and develop solutions to close them.
- Support on-call and after-hours incidents, including disaster-recovery plan execution.
- Participate in change, incident, and problem management processes.
- Extensive and recent support experience in supporting virtualized Red Hat Enterprise Linux Server operating systems and technologies in a global multi-data center enterprise organization.
- Advanced knowledge and experience with Linux server operating systems (Red Hat Enterprise Linux 8.x and 9.x, SUSE Linux Enterprise Server 15).
- Advanced knowledge and experience with configuration management tools (Ansible, etc.).
- Advanced knowledge and experience developing Bash scripts (other languages commonly used: Python, JavaScript, etc.)
- Working Knowledge of Red Hat Satellite Server systems management.
- Working knowledge of networking principles including routing, switching, firewalls, load balancing and VLANs.
- Working knowledge and experience with Windows server operating systems (Windows 2019, 2022) is a plus.
- Working knowledge and experience with IBM AIX is a plus.
- Working knowledge and experience with virtualization hypervisors (VMware vSphere 7.x, 8.x, Azure).
- Working knowledge and experience with containerization (VMware Tanzu, Docker, Kubernetes, Azure Kubernetes Service) a plus.