Infra Engr, Infra Hybrid IT

Date: 22 May 2024

Location: Singapore, Singapore

Company: Singtel Group

The Senior System Engineer is responsible to provide operational support to system infrastructure, support to the clients and resolution of technical issues and conducting root cause analysis. He is also required to manage change request through changes requests processes including requirement gathering, impact analysis, design, testing to integrate the change to existing environment  

Project Delivery

  • Gather business and/or application requirements on the infrastructure, conduct impact analysis, suggest design/re-design to integrate the change into the existing environment 
  • Test systems in accordance to specifications & service level. Where relevant, perform the necessary system programming & configuration 
  • Manage systems changes through established change request process & provide status reports to the relevant parties 
  • Respond promptly to incident, investigate & provide temporary &/or permanent resolution of incidents escalated. Provide timely status updates to relevant parties 
  • Conduct root cause analysis & implement pro-active measures. Monitor effectiveness of implemented measures 
  • Monitor & measure the performance & availability of systems proactively; implement corrective actions identified to improve performance & availability 
  • Monitor the agreed service level (.e.g. service request, system availability), document & maintain the configuration of the systems; provide regular reporting to relevant parties 
  • Execute service continuity measures, e.g. backup/restore procedures & disaster recovery plan dry run to ensure continuous operation of the business 
  • Ensure the management of ICT systems adhere to established ISO20000 & ISO27001 processes / procedures and ITIL best practices / ITSM and methodologies (e.g. change management, release management, incident management, problem management, configuration management) 
  • Manage budget, resources and schedule for system implementation / operation activities; ensure deliverables meet client requirements and quality standards 
  • Established facility management standards/best practices to ensure operation consistency across project/facility management teams


Customer /Team Management

  • Provide systems related technical advice to customers or project team. Lead and assist in the development of bids and proposals 
  • Manage support resources to prioritize task allocation and schedule resource to ensure that services are not impacted
  • Liaison with other associated project teams to ensure that the service is monitored, secured and operating at its optimal level


Deployment Phase

  • Involve in the design, build and test of the environment infrastructure for Exchange, Lync, Ironport and other associated peripheral to deliver the whole Messaging and collaboration service 
  • Involve in the design, build and test of the environment infrastructure for Redhat, Google Apps, VMWare, GSA and other associated peripheral to deliver the whole Messaging and collaboration service in the cloud
  • Involve in migration of users from old infrastructure to new infrastructure and manage the allocated resources to ensure successful migration  


Production Support

  • Ensure that the operation for Infrastructure Services are running smoothly and manage vendors such as hardware and software providers for hardware replacement and performance tuning and capacity planning
  • Required to be on standby for escalation of major incident and ensuring that incident are handled according to SOP and addressed promptly



  • Diploma / Degree in Information Technology, Computer Science or equivalent
  • 5 - 7 years of experience in supporting server infrastructure for Redhat Linux, Google Apps, VMWare, Cyrus (OpenSource IMAP), and GSA (Google Search Appliance).
  • Experience in Nutanix
  • Experience in Hyper-V, Veritas - Enterprise Netbackup