Role Description
SMBC is seeking a skilled Infrastructure Support Linux Admin to join our System Support L2, aligned to the SSL2-ESG function. This hybrid role requires attending our Tralee office. The ideal candidate has strong hands‑on Linux systems administration experience, a focus on stability, automation and monitoring, and a solid background in enterprise infrastructure support.
Responsibilities
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
SMBC’s employees participate in a hybrid workforce model that provides employees with an opportunity to work from home, as well as from an SMBC office. SMBC requires that employees live within a reasonable commuting distance of their office location. Prospective candidates will learn more about their specific hybrid work schedule during their interview process.
SMBC provides reasonable accommodations during candidacy for applicants with disabilities consistent with applicable federal, state, and local law. If you need a reasonable accommodation during the application process, please let us know at accommodations@smbcgroup.com.
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