Senior Infrastructure Support Engineer

Job Description – Senior Infrastructure Support Engineer

Position Details

• Job Title: Senior Infrastructure Support Engineer

• Reporting To: IS Manager

Role Overview

The Senior Infrastructure Support Engineer is responsible for providing end-user support and ensuring the stability security and efficiency of IT infrastructure. This role bridges Helpdesk Data center and Network functions while supporting daily operations projects and continuous service improvements.

Key Responsibilities

1. End-User Support

• Provide on-site and remote support for end-user including desktops laptops printers and peripherals

• Deliver advanced troubleshooting incident resolution and escalation support to Helpdesk and Global IS teams

• Serve as the primary interface between end users and IS teams for requests incidents and service delivery

2. System Administration

• Perform routine system administration tasks including Windows Server maintenance health checks and system log monitoring

• Manage patch deployment (e.g. WSUS) to ensure systems remain secure and up to date

• Support hardware and software installation configuration and maintenance

• Maintain accurate IT asset inventory and ensure compliance with asset tracking policies

3. Network & Security Support

• Demonstrate strong understanding of networking fundamentals including TCP/IP DNS DHCP and routing

• Install and maintain network infrastructure including switches wireless access points (APs) controllers routers and firewalls

• Troubleshoot network connectivity issues across LAN/Wi-Fi environments

• Support structured cabling and ensure proper network layout labelling and standards compliance

• Maintain and document network topology cabling structure and infrastructure inventory

• Monitor network performance capacity and availability to ensure optimal operation

• Support network security solutions including endpoint protection (e.g. CrowdStrike) LAN security BYOD controls guest networks and remote access solutions

• Assist in implementing and maintaining network security controls and compliance requirements

• Coordinate with network service providers and vendors for circuit installation troubleshooting and escalation

• Support deployment and maintenance of solutions such as Cloudflare Endpoint Central and future technologies (e.g. NAC)

4. Virtualization (Preferred)

• Support Microsoft Hyper-V environments including provisioning starting/stopping and monitoring virtual machines

• Perform resource monitoring (CPU memory disk utilization) to ensure optimal system performance

• Assist in VM lifecycle management including provisioning scaling and decommissioning

5. Backup & Recovery Management

• Execute and monitor daily backup jobs (e.g. Arcserve UDP) to ensure successful completion and data integrity

• Perform regular backup monitoring and reporting of job status

• Support ad-hoc file or folder restoration requests from users

• Conduct periodic restoration testing to validate disaster recovery readiness

6. Operations & Project Support

• Support daily IT operations across office and production environments

• Participate in infrastructure and technology projects as required

• Collaborate with cross-functional teams to ensure smooth system operations

7. Documentation & Training

• Develop and maintain technical documentation including system manuals user guides and operational procedures

• Conduct user training sessions to promote IT best practices and improve user productivity

8. Linux & Database Administration (Optional / Preferred)

• Administer configure and maintain Linux server environments (e.g. RHEL Oracle Enterprise Linux) including file system management permissions and package updates (YUM/DNF)

• Monitor and manage MySQL database instances ensuring system availability performance and basic troubleshooting of database-related issues

• Develop and maintain basic automation scripts (Bash/Python) to support routine tasks such as system health checks log management and operational maintenance

9. Mobility & Regional Support

• Provide IT support across sites including travel to Singapore as required

Job Requirements

Education & Experience

• Degree in Information Systems IT or equivalent

• Minimum 5 years of experience in IT support and infrastructure operations

• At least 2 years of hands-on experience in LAN/network infrastructure management

Technical Skills

• Strong knowledge of:

o PC hardware and components

o Windows operating systems (Windows 10 and above)

o Microsoft Office applications

• Working knowledge of:

o Windows Server (2019 and above)

o Active Directory Exchange Microsoft 365

o Basic networking and troubleshooting

o IT security and endpoint protection tools

Certifications (Preferred)

• RHCSA RHCE MCSA Azure/AWS

Soft Skills

• Strong interpersonal and communication skills

• Self-motivated with the ability to learn new technologies

• Proactive with strong problem-solving skills and service improvement mindset