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

 

Job Requirements: End-user support, On-site support, Remote support, Desktop support, Laptop support, Printer support, Peripheral support, Advanced troubleshooting, Incident resolution, Escalation support, Helpdesk support, Data center operations, Service delivery, System administration, Windows Server maintenance, System health checks, System log monitoring, Patch deployment, WSUS, Hardware installation, Software installation, Configuration, Maintenance, IT asset inventory, Asset tracking, Compliance, Networking fundamentals, TCP/IP, DNS, DHCP, Routing, Network infrastructure installation, Switch installation, Wireless access points, Controllers, Routers, Firewalls, Network troubleshooting, LAN, Wi-Fi, Structured cabling, Network layout, Standards compliance, Network topology documentation, Cabling structure documentation, Infrastructure inventory, Network performance monitoring, Network capacity monitoring, Network availability monitoring, Network security, Endpoint protection, CrowdStrike, LAN security, BYOD controls, Guest networks, Remote access, Network security controls, Vendor coordination, Circuit installation, Cloudflare, Endpoint Central, NAC, Microsoft Hyper-V, Virtual machine provisioning, Virtual machine monitoring, Resource monitoring, CPU monitoring, Memory monitoring, Disk utilization monitoring, VM lifecycle management, Scaling, Decommissioning, Backup management, Arcserve UDP, Backup monitoring, Reporting, File restoration, Folder restoration, Restoration testing, Disaster recovery readiness, IT operations, Production environment support, Infrastructure projects, Technology projects, Cross-functional collaboration, Technical documentation, System manuals, User guides, Operational procedures, User training, IT best practices, Linux administration, RHEL, Oracle Enterprise Linux, File system management, Permissions management, Package updates, YUM, DNF, MySQL, Database administration, Database troubleshooting, System availability, Automation scripts, Bash, Python, Log management, Regional support, IT support, Infrastructure operations, LAN/network infrastructure management, PC hardware, PC components, Windows operating systems, Windows 10, Microsoft Office, Windows Server 2019, Active Directory, Exchange, Microsoft 365, Basic networking, IT security, Endpoint protection tools, Azure, AWS, Interpersonal skills, Communication skills, Self-motivation, Learning agility, Proactivity, Problem-solving, Service improvement