Senior IT Infrastructure Engineer – VMware & Windows

CHARTERHOUSE PTE. LTD.; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A leading payments technology provider in Singapore is seeking a Senior IT Infrastructure Engineer to manage their VMware and Windows systems. The ideal candidate will have significant experience in IT infrastructure, focusing on ensuring system performance and security for a critical environment handling financial transactions. This role offers opportunities for growth in a dynamic team culture.

Benefits

Opportunity to work on high-impact projects

Dynamic and secure environment

Collaborative team culture

Qualifications

• Minimum 7 years of experience in IT infrastructure roles.
• At least 3 years in VMware and Windows administration.
• Experience in a regulated or financial environment.

Responsibilities

• Manage Windows Server environments (2012, 2016, 2019, 2022).
• Design, deploy, and manage VMware infrastructure.
• Automate routine system administration tasks using scripting tools.
• Provide L3 escalation support for complex infrastructure incidents.

Skills

Windows Server administration

VMware infrastructure management

Scripting (PowerShell, Ansible)

Analytical skills

Interpersonal skills

Education

Bachelor’s degree in Information Technology, Computer Science, or related

Tools

VMware vSphere

Windows Server environments

Active Directory

SCCM

Job description

A prominent payments technology provider is seeking a Senior IT Infrastructure Engineer – VMware & Windows to join their Infrastructure Services team. This role plays a critical part in ensuring the performance, availability, and security of the company’s enterprise IT systems that support real-time and batch financial transactions across the nation.

You will be responsible for administering a hybrid infrastructure environment comprising VMware and Windows systems. You will also be involved in hardening, automation, capacity planning, and providing support for a high-availability, regulated environment.

Key Responsibilities

Windows Server Administration

• Manage Windows Server environments (2012, 2016, 2019, 2022).
• Administer core infrastructure services such as Active Directory, DNS, DHCP, Group Policies, WSUS, and file services.
• Implement OS hardening and patching in compliance with industry standards and internal policies (e.g., CIS, MAS TRM).
• Manage identity and access control processes, including privileged account management.

VMware Infrastructure Management

• Design, deploy, and manage VMware infrastructure including ESXi, vCenter, vMotion, HA, DRS, and vSAN.
• Optimize virtual environments for performance and resource utilization.
• Maintain DR readiness using solutions such as VMware SRM and manage virtual backup and replication strategies.
• Apply patching, hardening, and lifecycle management across VMware systems.

Automation, Monitoring & Operational Support

• Automate routine system administration tasks using scripting tools like PowerShell and Ansible.
• Use infrastructure monitoring platforms (e.g., vROps, SolarWinds, PRTG, Nagios) for proactive issue resolution.
• Provide L3 escalation support for complex infrastructure incidents and lead root cause analysis efforts.
• Maintain operational documentation, SOPs, and system diagrams for compliance and audit purposes.

Collaboration & Governance

• Collaborate with network, security, DevOps, and application teams to ensure cohesive infrastructure operations.
• Participate in change management (CAB), vulnerability remediation, and IT audits.
• Contribute to infrastructure improvement projects, platform migrations, and system refreshes.

Requirements

Education & Experience

• Bachelor’s degree in Information Technology, Computer Science, or a related discipline.
• Minimum 7 years of experience in IT infrastructure roles, with at least 3 years in VMware and Windows administration within a regulated or financial environment.

Technical Skills

• Strong experience in Windows Server administration, Active Directory, and GPOs.
• Proficient in managing and securing VMware infrastructure (vSphere, vMotion, vSAN, DRS).
• Skilled in patch management tools such as WSUS and SCCM.
• Working knowledge of scripting (PowerShell, Ansible) and system automation.
• Experience with infrastructure monitoring and alerting tools.
• Familiarity with data center operations and disaster recovery strategies.

Soft Skills & Attributes

• Excellent analytical and troubleshooting skills.
• Strong interpersonal skills; capable of working independently and as part of a team.
• Effective communicator across technical and non-technical stakeholders.
• Resilient and adaptable in a fast-paced environment with strong customer service orientation.

Certifications

• VMware Certified Professional (VCP) and/or Microsoft Certified System Administrator (MCSA) preferred.
• Linux or cloud platform certifications (e.g., AWS, Azure) would be an advantage.

Why Join?

• Opportunity to work on high-impact, national-level payment infrastructure.
• Dynamic and secure environment with continuous learning and growth.
• Collaborative team culture and exposure to enterprise-scale technologies.

Apply now to be part of a critical team that supports the digital backbone of Singapore’s payment ecosystem.