Network Engineer

Unison Group; Singapore; On-site; SGD 100,000 - 167,000; Full time

Job summary

Unison Group in Singapore is seeking a seasoned Network Infrastructure Engineer to design, deploy and manage enterprise-scale IT networks across on-prem and GCC/AWS cloud environments in a 24x7 government-ready setup.

You will diagnose complex network, security and system issues, maintain documentation, coordinate with vendors and cross-functional teams, and drive automation to reduce manual work while ensuring compliance with government standards.

Job description

Requirements

• Bachelor’s degree in IT, Computer Science, Computer, or a related field, or equivalent relevant working experience.
• Singapore citizen
• 4-6 years of relevant experience in designing, deploying and managing enterprise level IT infrastructure for network services (wired and wireless).
• Good technical knowledge of network technologies as primary practice area, with knowledge in supporting technologies such as infrastructure security.
• Hands on experience supporting IT infrastructure, including network, servers and Windows/Linux operating systems, structured cabling, as well as cloud operations (GCC, AWS).
• Strong troubleshooting experience in resolving network, application, infrastructure, and security-related issues; experience within a Singapore government environment is preferred
• Familiarity with enterprise IT governance frameworks and the adoption of digital services in large-scale or regulated environments.
• Relevant professional certifications such as CCNA, CCNP, ITIL, AWS Essentials, or AWS Solutions Architect are advantageous.
• Ability to work independently with minimal supervision, as well as collaboratively within cross-functional teams and with stakeholders at all levels.
• Strong analytical and problem-solving skills, with the ability to prioritise tasks and manage multiple workstreams effectively in a fast-paced environment.

Roles and Responsibilities

• Provide network support for systems hosted in on-prem data centres and Government Commercial Cloud (GCC, AWS). Our systems are operating on 24 x 7 basis.
• Ensures optimal network performance, troubleshoot incidents, resolves technical issues, provides technical support and ensure minimal downtime for business continuity.
• Maintains high levels of network availability, security, and compliance with government IT policies and standards.
• Manage ongoing maintenance, technology refresh, support firmware upgrades and security fixes for network equipment (e.g. firewalls, load balancers, switches, wireless controllers, etc) in on-prem data centres and GCC, and ensuring zero-downtime deployments where possible.
• Support office renovations and relocations, including new office setup with LAN, WAN, wireless Internet broadband, cabling works, etc.
• Coordinate with cross-functional teams, vendors and external service providers to resolve technical issues and meet service level agreements (SLAs).
• Prepare status and progress reports, and present insights to stakeholders and senior management.
• Identify and implement process automation initiatives to reduce manual effort, minimise human error and improve system reliability.
• Maintain operational documentation and SOPs including deployment procedures, production support runbooks, and incident response protocols.
• Manage and support project budgeting, billing, cost tracking and cost recovery activities.
• Manage and resolve day-to-day IT issues related to network, applications, infrastructure and security, to support smooth daily operations .
• Handle routine and ad-hoc operational administration, including logistics and maintenance coordination.
• Support the rollout of new IT infrastructure components and application deployments, ensuring smooth transition into operations.
• Perform other ad-hoc duties as required to ensure efficient and uninterrupted operations.