sciente international pte. ltd.
Singapore / Global
Singapore / Global
Job Summary
We are looking for an experienced System Manager to manage 24x7 mission-critical infrastructure, leading system/application engineers and ensuring availability, cybersecurity, incident recovery, and operational continuity.
Mandatory Skill-set
Degree/Diploma in Computer Science, IT, Computer Engineering, or related field
Must have 6 years of experience in enterprise infrastructure, systems administration, or mission-critical environments, include 3 years of leading a team
Must have 3 years of experience managing Operations & Maintenance (O&M) activities for critical systems
Strong hands-on experience with Windows Server 2019+/Windows 11, Active Directory, GPO, Microsoft CA, PKI, and SSL/TLS certificate management
Must have VMware experience, including ESXi, vCenter, vSAN, and vSAN Stretch Cluster
Hands-on experience in patch management, including WSUS Offline and manual WSUS catalogue imports
Hands-on experience with Microsoft SQL Server, endpoint security (Trellix/SEP), cybersecurity technologies, and enterprise backup/restore solutions
Experience troubleshooting 24x7 mission-critical, highly available, on-premise environments, including critical incidents and service recovery, is essential
Willingness to support after-hours deployments, maintenance windows, and on-call duties.
Desired Skill-set
Good to have experience in Splunk Enterprise / Syslog / Kiwi Syslog VMware NSX.
Aviation systems experience in airport operations, air traffic management, surveillance, or aviation support systems.
Responsibilities
Lead day-to-day operations of a 24x7 mission-critical system with a team of system engineers
Manage system availability, performance, security, and operational readiness
Work closely with the Service Delivery Manager (SDM) to plan and execute maintenance, patching, upgrades, and service improvement initiatives
Lead incident response, root cause analysis, service recovery, and operational reporting activities with the SDM
Review and approve deployment plans, impact assessments, risk evaluations, and rollback strategies
Manage infrastructure lifecycle activities, including server, workstation, virtualization, network, and COTS software upgrades
Ensure compliance with cybersecurity, backup, disaster recovery, and configuration management requirements
Identify operational risks, technology gaps, and potential single points of failure, and implement effective mitigation measures
Provide technical leadership, mentoring, and guidance to the operations team
Engage stakeholders, customers, and vendors on operational matters and service delivery performance.
Should you be interested in this career opportunity, please send in your updated resume to [HIDDEN TEXT] at the earliest.
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Confidentiality is assured, and only shortlisted candidates will be notified for interviews.
EA Licence No. 07C5639
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global