Senior System Administrator

Location Singapore
Discipline Information & Communications Technology
Job Reference BBBH108775_1640761530
Salary S$5000 - S$6000 per month
Consultant Name Pal-Ing Ernielyn Tizon
Consultant Email ernielyn.tizon@manpower.com.sg
Consultant Contact No. 6232 5249
EA License No. 02C3423
Consultant Registration No. R1100414


Roles & Responsibilities
Responsible for effective provisioning, operation, and maintenance of all assigned systems infrastructure within the Regional HQ Data Centre and in the affiliate office sites. Conduct technical research on the latest trends and technologies to enable continuing innovation within the region. Ensures that system hardware and software, operating systems are strictly adhered to IT Policies and Standards.

Provide Effective Business Operation and Support

  • Provide effective ICT support to Asia Pacific region and achieve system availability targets as per agreed Service Level Agreements (SLAs).
  • Deliver assigned ICT projects and solutions to the region within approved budget, timeline, and scope in accordance with the annual action plans and mid-term plans.
  • Conduct technical feasibility studies and recommend technology solutions.
  • Prepare and update the assigned ICT Policies and Standards.
  • Ensure all ICT infrastructure and systems are fully compliant to all ICT local and international laws, standards, and regulations.
  • Prepare and execute ICT recovery tests in accordance with Company's requirement.
  • Plan, schedule and execute ICT maintenance and upgrade activities.
  • Assist project teams throughout the entire project life cycle
  • Provide training to regional IT representatives to ensure procedural and technical competencies in their daily activities.


Infrastructure Operations and Maintenance

  • Maintain of VMware vSphere environment consisting of VMware ESXi server cluster and SAN Storage. Perform Virtual machine deployment and management. Conduct active monitoring of Virtual environment and respond to alerts and errors.
  • Perform installation of new SQL Database in accordance with the specification provided. Support and troubleshoot all issues related to Microsoft SQL Databases.
  • Maintain the Regional Active Directory infrastructure spanning across different sites and domains (e.g.: Domain Controllers, Read Domain controllers, Group Policy Objects (GPO), DNS, DHCP, LDAP, Active directory replication, Schema, Certificate Authority). Perform installation of new domain controllers or RODC according to the specification provided.
  • Maintain Azure AD Connect server. Troubleshoot and support all issues related to Azure AD Connect server.
  • Maintain ManageEngine Opmanager Monitoring system to ensure all critical systems uptime, resource and performance are monitored.
  • Maintain ManageEngine ServiceDesk Plus server and Administration (e.g., user and technician account administration, categories creation, SLA, asset management, reporting)
  • Maintain and create PowerShell scripts for operation and reporting purpose (e.g.: Active directory users reporting, user onboarding, user departing, monitoring, bulk deployment)
  • Manage, Plan, and execute Regional Office ICT Infrastructure upgrade and expansions.
  • Work closely with 3rd Party Vendor to Plan and execute firmware / Version upgrade for all ICT Infrastructure.

D-Project ICT Operations

  • Implement Post-live Operation.
  • Perform operation of Jump box provisioning.
  • Perform operation of User and device access request.
  • Managed S-User operation on weekly basis.
  • Maintain Azure AD SSO Integration, Interface integration
  • Manage RHQ Server provisioning and access, S/4 printing
  • Maintain IP Master list.
  • Execute HEC Change Management process.
  • Working closely with Global team on EMS Tickets.
  • IoT Device security operation.


Asset Management and Procurement

  • Perform procurement of hardware, software, and services.
  • Ensure up-to-date inventory listing of hardware and software for the region.
  • Preparing, generating, and updating of routine reports/ documentations and SOPs.


Job Specification:

  • Minimum Bachelor's Degree in computer science / Information Technology.
  • 4-6 years of IT experience in a technical hands-on capacity in a regional HQ of a MNC, with infrastructure implementation exposure
  • Good experience in project execution and regional technical team leadership.
  • Exposure in preparation of ICT Policy and Standards.
  • Solid technical exposure or professional certifications in the following: Microsoft Servers Operating Systems, Microsoft Active Directory, SQL Server Database, SAP Basis administration, SharePoint, Office365, Exchange, VMware vSphere and ESXi, HP Blades, EMC SAN, Veeam Backup, and replication.
  • Sound knowledge in ITIL V3 processes.
  • ICT Budget Processes
  • Project Management certification (CITPM, PMP or PRINCE).
  • Travel Requirement: ad hoc to Asia Pacific region.


Interested applicants, please send your updated resume to ernielyn.tizon@manpower.com.sg
Shortlisted candidates will be notified. Thank you

Pal-Ing Ernielyn Tizon EA License No.: 02C3423 Personnel Registration No.: R1100414

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