IT Systems & Infrastructure Engineer

About the Role:

We are looking for a hands-on and motivated IT Systems & Infrastructure Engineer to join our MIS team in Singapore. This is a broad infrastructure role covering Microsoft365, identity and access management, endpoint security, servers, backup and recovery, SaaS platforms, networking, hardware and data-centre operations.

You will work closely with our existing Network & Hardware Engineer and the MIS Manager, supporting CADIT users and systems globally. The role is designed for someone who wants to build a strong career in IT infrastructure and systems administration.

We are looking for someone who is curious, methodical, hands-on, willing to learn and genuinely interested in infrastructure. Training and certification support will be provided.

Key Responsibilities:

Microsoft 365 & Identity Administration

• Administer Microsoft 365 users, licences, groups, shared mailboxes and permissions.
• Support Exchange Online, SharePoint, OneDrive and Microsoft Teams.
• Manage user joiner, mover and leaver processes.
• Support Microsoft Entra ID, MFA, account access and password/lockout issues.
• Maintain accurate documentation of tenant and access changes.

Endpoint & IT Support

• Build, configure, deploy and maintain Windows PCs and laptops.
• Install and maintain operating systems, applications, drivers, firmware and licensed software.
• Provide first-line technical support for hardware, software, operating system, connectivity, printing and access issues.
• Maintain endpoint protection and security coverage using Bitdefender GravityZone.
• Monitor and respond to endpoint security alerts and escalate potential incidents appropriately.

Systems & Infrastructure Operations

• Support the company's office server room and co-located data-centre rack.
• Assist with server installation, configuration, firmware, RAID, operating systems and monitoring.
• Perform hardware replacement including disks, power supplies, memory and fans.
• Maintain rack equipment, cabling, labelling, UPS systems and physical infrastructure.
• Coordinate data-centre access, remote hands and scheduled maintenance activities.
• Maintain proper change records and infrastructure documentation.

Network &Infrastructure Support

• Work alongside the Network & Hardware Engineer to learn and support:

• Firewalls

• VLANs

• Switches

• Wireless networks

• IP addressing

• DNS and DHCP

• VPN connectivity

• Handle routine network troubleshooting and changes under appropriate supervision.
• Progressively develop the capability to provide infrastructure cover when the incumbent engineer is unavailable.
• Support networking requirements for CAD-IT's IoT and project deployments where required.

Backup, Patching & Monitoring

• Monitor backup jobs and investigate failures.
• Perform and document periodic restore tests.
• Support operating system and firmware patching activities.
• Monitor infrastructure alerts and system health.
• Maintain records for backup, recovery and business continuity procedures.

SaaS & Platform Administration

• Administer CAD-IT's internal monday.com account, including users, licenses, permissions, workspaces and boards.
• Support administration of other business SaaS platforms managed by MIS.
• Maintain accurate user access and license records.
• Identify opportunities to improve platform governance and operational efficiency.

Documentation & Asset Management

• Maintain hardware and software asset registers.
• Track licenses, warranties and equipment ownership.
• Maintain network diagrams, rack layouts, cable schedules and technical documentation.
• Create and maintain practical runbooks and standard operating procedures.
• Ensure infrastructure changes are properly documented.

Global IT Support

• Provide remote IT support to CAD-IT users and offices outside Singapore.
• Communicate clearly with users across different time zones.
• Explain technical issues in simple, non-technical language.
• Maintain clear ticket updates and follow through until issues are resolved.

Continuous Learning & Development

• Develop your skills across systems administration, networking, infrastructure and security.
• Complete relevant training and certifications supported by the company.
• Work towards Microsoft, CompTIA and other relevant infrastructure certifications.
• Develop sufficient cross-functional knowledge to provide infrastructure coverage and support.

Requirements:

Must Have

• Post-secondary qualifications in IT, Information Technology, Infocom Technology, Computer Engineering, Electronics or a related discipline.
• Candidates with ITE Higher Nitec, Polytechnic Diploma or Degree are welcome to apply.
• Relevant hands-on experience may be considered in place of formal qualifications.
• Basic working knowledge of Windows operating systems and an understanding of Windows Server.
• Basic understanding of networking concepts including:

• IP addressing and subnets

• DNS

• DHCP

• VLANs

• Switches

• Firewalls

• Comfortable working with physical IT hardware, including PCs, servers, cabling and rack equipment.
• Able to follow technical procedures carefully and document work performed.
• Good spoken and written English, with the ability to communicate with users across different countries.
• Strong attention to detail and a responsible approach to IT security and access management.
• Willingness to participate in an emergency contact/on-call roster and occasional planned evening or weekend maintenance activities.
• Genuine interest in IT infrastructure and systems administration.

Exposure to any of the following would be advantageous:

• Microsoft 365 administration
• Microsoft Entra ID / Azure AD
• Microsoft Intune
• Exchange Online, SharePoint, OneDrive or Teams
• Endpoint security platforms such as Bitdefender, Microsoft Defender, CrowdStrike or Sophos
• Business SaaS administration such as monday.com, Google Workspace or Atlassian
• Firewalls such as WatchGuard, Fortinet, Sophos or pfSense
• Managed switches and wireless networking
• VMware, Hyper-V or Proxmox
• Veeam or other backup platforms
• PowerShell or basic scripting
• ITSM / ticketing systems
• Structured cabling, server racks, UPS or data-centre operations
• Industrial, edge or IoT networking
• CompTIA A+, Network+, CCNA or Microsoft certifications, including certifications currently in progress.

We are particularly interested in candidates who demonstrate:

• Hands-on curiosity: You enjoy building, fixing and understanding how things work.
• Methodical thinking: You troubleshoot logically rather than randomly changing things.
• Attention to detail: You understand that small mistakes in infrastructure can have big consequences.
• Ownership: You follow an issue through to resolution rather than simply passing it on.
• Documentation discipline: You understand that good IT work should be repeatable and understandable by others.
• Security awareness: You take access, credentials and endpoint protection seriously.
• Service mindset: You understand that when someone's laptop or access is down, their work is blocked.
• Willingness to learn: You are excited to grow from IT support into systems and infrastructure engineering.

Training & Career Development

This role is designed as a genuine infrastructure career pathway. You will receive exposure and training across:

• Microsoft 365 and identity administration
• Endpoint management and security
• Servers and virtualisation
• Networking and firewalls
• Backup and recovery
• Data-centre operations
• Infrastructure documentation and IT operations

The company will also support relevant professional certifications and structured learning, with a road map that can lead toward specialisation in infrastructure, cloud/hybrid identity, cybersecurity, backup & virtualisation or networking.

Why Join Us?

• Gain hands-on exposure across systems, infrastructure, networking, security and cloud platforms.
• Work directly alongside an experienced infrastructure engineer.
• Receive support for professional certifications and technical training.
• Take ownership of real infrastructure responsibilities early in your career.
• Support users and systems across an international organisation.
• Build a strong foundation for progression into Systems Engineer, Infrastructure Engineer, Network Engineer, Cloud Engineer or Security roles.

How to Apply?

If you are passionate about IT infrastructure and want to build a career beyond traditional help desk support, we would like to hear from you. Please submit your updated CV outlining your technical experience, projects, certifications or any hands-on infrastructure work you have completed.

Fresh graduates and candidates from ITE and Polytechnic backgrounds with strong hands-on interests are encouraged to apply.