Ambition Hiring! Full Time Senior Linux System Administrator in - Ricebowl

Principal Linux Engineer

Our client is a leading global financial markets and technology organisation operating highly available, business-critical infrastructure globally.

We are looking for a Principal Linux Engineer to take senior technical ownership of large-scale Linux infrastructure, driving platform reliability, resilience, performance and operational excellence.

Key Responsibilities

• Own the reliability, availability and performance of large-scale Linux environments.
• Act as the senior technical authority for complex Linux issues and major production incidents.
• Lead infrastructure upgrades, patching, failover, recovery and lifecycle management.
• Drive automation and operational improvements using Python, Bash/Shell and Ansible/Puppet/Salt.
• Support enterprise bare-metal servers, storage and high-availability infrastructure.
• Drive monitoring, observability, capacity management and infrastructure resilience.
• Partner with Engineering, SRE, Security and Infrastructure teams on platform improvements.
• Provide technical guidance and mentorship to engineering teams.

Requirements

• 8+ years of Linux infrastructure / systems engineering experience in large-scale 24x7 environments.
• Deep expertise in Linux, performance tuning, troubleshooting and system fundamentals.
• Strong experience with Ansible, Puppet or Salt.
• Strong Python and Shell/Bash scripting skills.
• Experience with bare-metal servers, SAN/NAS, RAID and NVMe.
• Exposure to Grafana, Prometheus, AWS/GCP, Docker and Kubernetes.
• Experience with Terraform, Git and CI/CD.
• Strong experience managing critical incidents, production environments and high-availability infrastructure.
• Ability to operate as a technical leader and subject matter expert in a complex global environment.

Work Schedule: Wednesday–Sunday, 7:00 AM–4:00 PM SGT, including weekend operational support.