SMBC is seeking a skilled Infrastructure Support Linux Admin to join our System Support L2, aligned to the SSL2-ESG function. This role is suited to a candidate with strong hands-on Linux systems administration experience, a focus on stability, automation and monitoring. The successful candidate will have a solid background in enterprise infrastructure support. The successful candidate will bring deep expertise in Linux platforms, automation (Ansible), virtualization and backup technologies. In addition have a strong emphasis on proactive monitoring, observability and continuous improvement of system health visibility. Experience in enterprise-scale environments and operational support is essential.

You will be part of the Level 2 System Support team, responsible for triaging and resolving infrastructure issues. You will collaborate with cross-functional teams and driving operational improvements to ensure the resilience, stability and performance of critical systems.

This role will report to the Vice President of System Support L2.

Role Objectives: Delivery

• Provide Level 2 support for infrastructure issues across Linux-based systems, virtualization platforms and automation frameworks.
• Administer and troubleshoot Linux systems (RHEL, CentOS, Ubuntu), ensuring optimal performance, stability and uptime.
• Manage identity and access controls across core infrastructure platforms (e.g. directory services and authentication mechanisms).
• Develop, maintain and enhance Ansible workflows for configuration management, system provisioning and operational automation.
• Support and troubleshoot VMware vSphere environments and virtual infrastructure.
• Collaborate with engineering and operations teams to identify opportunities for automation, standardisation and operational efficiency.
• Perform root cause analysis and contribute to long-term resolution and platform stability improvements.
• Proactively monitor system health, analyze trends and identify gaps in existing monitoring coverage.
• Drive enhancements in monitoring, alerting, and observability frameworks to improve early detection, reduce noise and increase actionable insights.
• Produce and maintain clear documentation, runbooks and operational procedures in a centralized knowledge base.
• Manage incidents, requests and problem records through ServiceNow, ensuring timely resolution and accurate updates.
• Ensure compliance with internal security, audit and operational standards.
• Participate in on-call rotation and provide after-hours support as required.
• Work rotational shifts, including scheduled Saturday coverage, to ensure consistent support availability.

Qualifications and Skills

• Minimum 3 years of experience in infrastructure operations and support, with a strong Linux focus.
• Strong proficiency in Linux system administration (user management, patching, performance tuning, log analysis, shell scripting).
• Hands-on experience supporting enterprise Linux environments at scale.
• Experience with Ansible for automation, orchestration, and configuration management.
• Solid experience with VMware vSphere and virtual infrastructure environments.
• Experience with backup and recovery platforms (e.g.Rubrik) and operational processes.
• Proven experience in monitoring and observability, including improving alert quality, coverage and system visibility.
• Working knowledge of core networking concepts (DNS, DHCP, TCP/IP).
• Strong troubleshooting, analytical and problem-solving skills.
• Ability to manage multiple priorities and deliver in a high-paced operational environment.
• Strong documentation, process improvement and knowledge-sharing mindset.
• High sense of urgency, ownership and the ability to work both independently and collaboratively within global teams.

Additional Requirements