Senior System Administrator
Summary
Senior System Administrator at Coilcraft's Singapore site handling day-to-day IT operations: administering Microsoft 365 (Exchange Online, OneDrive, Teams), Active Directory, security/compliance (MFA, Conditional Access, Defender, DLP), network infrastructure (firewalls, VPN), plus desktop support, patching, backups, and IT documentation.
About the role
Senior System Administrator role responsible for administering, configuring, and supporting Microsoft 365 services and IT infrastructure to ensure smooth IT operations across the organisation.
Key responsibilities
Administer, configure, and support Microsoft 365 services (Exchange Online, OneDrive, and Teams)
Manage Active Directory, including user provisioning, access control, and policies
Implement and maintain M365 security & compliance features (MFA, Conditional Access, Defender, DLP)
Manage and support network infrastructure, including firewalls and VPN connectivity (site-to-site and remote access)
Provide desktop support for end users (Windows devices, Office applications, printers, peripherals)
Monitor system performance and troubleshoot issues across servers and endpoints
Support M365 deployment, migration, and tenant administration activities
Perform routine maintenance including patching, backup, and recovery operations
Maintain accurate IT documentation for systems, procedures, and configurations
Liaise with vendors and internal stakeholders to ensure smooth IT operations
About you
Min Degree in Computer Science or equivalent
Experience in monitors and maintains the Microsoft 365 email systems
Preferably at least 5 years of relevant working experience in IT and cybersecurity
Proficient in Microsoft 365 administration and Microsoft Office Suite or related software
Excellent verbal and written communication skills
Good team player who is self-driven and result orientated
Strong organizational skills and attention to details