Senior IT Engineer

A-GAS SINGAPORE PTE. LTD.; Singapore; On-site; SGD 75,000 - 100,000; Full time

Job summary

A global technology firm located in Singapore is seeking an IT Security Infrastructure Specialist. You will assess vital systems for vulnerabilities and recommend improvements. Key responsibilities include supporting design initiatives for disaster recovery and failover strategies, while ensuring security compliance across infrastructures. The ideal candidate will have experience in resilient WAN, LAN, and hybrid cloud architectures. A focus on mitigating risks and developing redundancy designs is crucial for success in this role.

Qualifications

• Experience in designing fault-tolerant systems and redundant architectures.
• Familiarity with WAN, LAN, and hybrid cloud architectures.
• Knowledge of backup and disaster recovery strategies.

Responsibilities

• Assess global infrastructure for vulnerabilities and recommend solutions.
• Support design and testing of disaster recovery and failover strategies.
• Coordinate with managed service providers to implement security controls.

Job description

• Assess global infrastructure for single points of failure and recommend & support implementation of redundancy & fault-tolerant designs.
• Contribute to resilient WAN, LAN and hybrid cloud architecture aligned with business continuity objectives.
• Support design and testing of back-up, disaster recovery, hybrid active directory, entra and failover strategies.
• Identify vulnerabilities across IT and OT infrastructure and propose mitigation strategies.
• Coordinate with MSPs to implement security controls, validate configurations and ensure compliance with CIS Critical Security Controls (CIS18).
• Support secure configuration baselines and patching strategies for servers, endpoints and network devices.
• Assist in designing and implementing segmented OT networks to isolate manufacturing systems from IT threats.
• Apply compensating controls for legacy operating systems and critical production assets that cannot be patched.
• Work with OT teams to ensure secure remote access and vendor connectivity.
• Partner with MSPs, engineering teams and product owners to embed security and resilience into projects.
• Contribute to Zero Trust maturity roadmap across identity, device, network, workloads and data.