Junior Linux Ops

Job description

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.

Responsibilities

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.

Qualifications

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.