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 Microsoft 365, 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

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.

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

How to Apply?

If you are passionate about IT infrastructure and want to build a career beyond traditional helpdesk 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.