SMBC Group is a top-tier global financial group. Headquartered in Tokyo and with a 400-year history, SMBC Group offers a diverse range of financial services, including banking, leasing, securities, credit cards, and consumer finance. The Group has more than 130 offices and 80,000 employees worldwide in nearly 40 countries. Sumitomo Mitsui Financial Group, Inc. (SMFG) is the holding company of SMBC Group, which is one of the three largest banking groups in Japan. SMFG’s shares trade on the Tokyo, Nagoya, and New York (NYSE: SMFG) stock exchanges.

In the Americas, SMBC Group has a presence in the US, Canada, Ireland, Mexico, Brazil, Chile, Colombia, and Peru. Backed by the capital strength of SMBC Group and the value of its relationships in Asia, the Group offers a range of commercial and investment banking services to its corporate, institutional, and municipal clients. It connects a diverse client base to local markets and the organization’s extensive global network. The Group’s operating companies in the Americas include Sumitomo Mitsui Banking Corp. (SMBC), SMBC Nikko Securities America, Inc., SMBC Capital Markets, Inc., SMBC MANUBANK, JRI America, Inc., SMBC Leasing and Finance, Inc., Banco Sumitomo Mitsui Brasileiro S.A., and Sumitomo Mitsui Finance and Leasing Co., Ltd.

This is a hybrid role, requiring the successful candidate to attend our Tralee office.
Rotational weekend work required.

Role Description

SMBC is seeking a skilled Infrastructure Support Linux Admin to join our System Support department within the Americas Division. This role is ideal for a candidate with a strong background in Linux administration, Rubrik backups and processes, Microsoft Active Directory, Windows Server, VMware, Ansible automation workflows, and Azure Runbook flows, alongside traditional infrastructure support capabilities.

You will be part of the Level 2 System Support team, responsible for triaging and resolving infrastructure issues, collaborating with cross-functional teams, and ensuring the stability and performance of critical systems.

Role Objectives: Delivery

Provide Level 2 support for infrastructure issues across Windows Server, Linux, messaging platforms, and automation tools.
Administer and troubleshoot Linux systems (RHEL, CentOS, Ubuntu), ensuring optimal performance and uptime.
Support and maintain Microsoft Exchange and other messaging platforms (SMTP relays, email gateways).
Manage and maintain Microsoft Active Directory (user, group, and policy administration).
Operate and enhance Ansible workflows for configuration management and system automation.
Support and troubleshoot VMware vSphere environments.
Develop, maintain, and execute Azure Runbook flows for automated operational tasks.
Collaborate with IT and business teams to assess infrastructure needs and deliver effective solutions.
Perform root cause analysis and contribute to long-term resolution strategies.
Improve monitoring and reporting for daily system health checks.
Document resolutions and procedures in a centralized knowledge base.
Manage and update incidents and requests using ServiceNow.
Ensure compliance with audit and security requirements.
Participate in on-call rotation and provide after-hours support as needed.
Work rotational shifts, including scheduled Saturday coverage, to ensure consistent support availability.

Qualifications and Skills

Minimum 3 years of experience in infrastructure and end-user support roles.
Proficiency in Linux system administration (user management, system updates, log analysis, shell scripting).
Experience with Microsoft Exchange and enterprise messaging systems.
Strong knowledge of Microsoft Active Directory and Windows Server environments.
Hands-on experience with Ansible for automation and orchestration.
Experience with VMware vSphere and virtual infrastructure management.
Experience with Azure Runbook flows and automation in cloud environments.
Familiarity with Microsoft Office 365 and Citrix Workspace/XenDesktop.
Understanding of core networking concepts (DNS, DHCP, etc.). Excellent troubleshooting, communication, and customer service skills.
Ability to manage multiple tasks and projects simultaneously.
Strong documentation and process improvement skills.
High sense of urgency and ability to work independently or as part of a team.

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.

Infrastructure Support Linux Admin

Job Description