Platform Operations Engineer / IT Infrastructure Engineer

Ad Astra Consultants; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Ad Astra Consultants is seeking an experienced infrastructure operations professional to oversee day-to-day support for critical platforms across on-prem and hybrid environments. The role involves managing incidents, coordinating vendor activities, and ensuring changes align with security and architectural requirements.

Candidates should have extensive experience with virtualization, OS, storage, backup, DR, and HA, plus governance and project delivery exposure.

Qualifications

• 5+ years in infrastructure or platform operations.
• Experience supporting production or mission-critical environments.
• Strong technical understanding across virtualization, OS, storage, backup, DR, HA.
• Experience working with vendor-supported operating models and external support teams.
• Participation in technical troubleshooting and complex incident resolution preferred.
• Experience with governance, security governance, change review, or SR processes preferred.
• Experience delivering technical projects with risk and dependency tracking.

Responsibilities

• Oversee day-to-day operational support and maintenance of critical infrastructure across on-premises and hybrid environments.
• Provide technical oversight across compute, storage, virtualization, OS, backup, DR, HA, and related platforms.
• Lead incident management including root cause analysis and recovery planning.
• Coordinate vendor activities to meet timelines and deliverables.
• Review changes and SRs to ensure practicality, security, and architectural alignment.
• Support governance activities, change review, risk awareness, and readiness checks.
• Assist in infrastructure modernization and multi-year refresh programs.

Skills

Incident management

Vendor management

Governance

Project delivery coordination

Stakeholder communication

Troubleshooting

Data centre operations

Communication skills

Infrastructure operations

Tools

VMware

Hyper-V

Nutanix

Red Hat Linux

Windows Server

Job description

• Work with L1 vendor engineers and the internal team to oversee day-to-day operational support and maintenance of critical infrastructure platforms across on-premises and hybrid environments.
• Provide technical oversight across compute, storage, virtualisation, operating systems, backup, disaster recovery (DR), high availability (HA), and related infrastructure platforms.
• Lead incident management for complex issues, including technical deep dives, root cause analysis, recovery planning, and timely resolution follow-up.
• Manage and coordinate vendor activities to ensure operational tasks, incidents, service requests, and technical deliverables are completed effectively and within expected timelines.
• Review and assess technical changes, service requests (SRs), implementation plans, and recovery approaches to ensure they are practical, supportable, and aligned with operational, security, and architectural requirements.
• Support technical and security governance activities, including change review, risk awareness, compliance alignment, and operational readiness checks.
• Support infrastructure modernisation and the multi-year technology refresh programme while maintaining stable day-to-day operations with minimal downtime.
• Plan, coordinate, and track technical infrastructure activities across internal teams and vendors for refresh, upgrade, migration, and other technical project initiatives.
• Track project risks, issues, dependencies, action items, and status updates to ensure milestones, operational commitments, and implementation readiness are met.
• Work with application, network, security, and vendor teams to resolve platform-related issues and maintain runbooks, SOPs, governance artefacts, and supporting documentation.

Requirements

• At least 5 years of experience in infrastructure or platform operations
• Experience supporting production or mission-critical environments
• Strong technical understanding of infrastructure operations across virtualisation, operating systems, storage, backup, networking, and related platforms
• Experience working with vendor-supported operating models and managing external support teams
• Able to participate in technical troubleshooting, issue deep dives, and problem resolution for complex incidents
• Experience supporting technical governance, security governance, change review, or service request approval processes is preferred
• Experience supporting technical project delivery, including coordination, issue and risk tracking, dependency management, and stakeholder follow-up
• At least 2 years of experience in government or public sector settings
• Good to have data centre operations experience
• Strong communication and coordination skills with both technical and non-technical stakeholders

Technical Requirements

• Experience with infrastructure platforms such as VMware, Hyper-V, or Nutanix
• Experience with Red Hat Linux and/or Windows Server environments
• Familiarity with enterprise storage, backup, HA, and DR solutions
• Strong understanding of monitoring, observability, logging, and alerting practices
• Solid understanding of networking fundamentals such as TCP/IP, DNS, routing, firewalls, load balancing, and segmentation