System Manager

Job SummaryWe 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-setDegree/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-setGood 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.ResponsibilitiesLead 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 apply@sciente.com at the earliest.When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the SCIENTE Group Privacy Policy, a copy of which is published at SCIENTE’s website (https://www.sciente.com/privacy-policy).Confidentiality is assured, and only shortlisted candidates will be notified for interviews.EA Licence No. 07C5639