Senior Network & Infrastructure Engineer

Hitachi Asia Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Hitachi Asia Ltd seeks an experienced Network Engineer to design, implement, and optimize complex network solutions across routers, switches, firewalls, and SD-WAN. The role includes independent scratch-based installations, backups, restorations, and routine upgrades.

You will monitor performance, troubleshoot issues, document configurations, and support IT infrastructure initiatives including CIS-aligned server hardening and cloud integration with Azure and AWS.

Qualifications

• Design, configure, and implement network solutions including routers, switches, firewalls, and SDWAN.
• Perform scratch base installation, backup, restore, and upgrade network equipment.
• Document network configurations, processes, and procedures for reference and compliance.

Responsibilities

• Collaborate with sales to identify opportunities for network and server solutions.
• Conduct technical assessments and translate requirements into network/server designs.
• Develop and present technical proposals to clients and stakeholders.
• Advise on network architecture, design, and best practices.
• Assist in RFP/RFQ preparation and technical documentation.

Skills

Network design

Troubleshooting

Network security

Windows Server

Azure

AWS

RDS

PAM

SAP

Tools

Microsoft 365

Azure

AWS

Job description

Network Engineering

• Design, configure, and implement network solutions, including routers, switches, firewalls, wireless access points and SDWAN.
  Understand Zero trust
• Good experience and able to work independently to perform scratch base installation, backup, restore, configure, upgrade network equipment.
• Monitor network performance and troubleshoot issues to ensure high availability and reliability.
• Implement network harderning, server hardening align CIS
• Perform regular maintenance and upgrades on network devices and systems.
• Document network configurations, processes, and procedures for reference and compliance.

IT infrastructure

• Brings a broad understanding of IT infrastructure and support services. This role involves working closely with internal teams to deliver high-quality IT services to our clients
• Experience tech windows server with application and able lead the tech refresh project for AD upgrade, file server migration, integration with cloud or new solution
• Experience performing server hardening align to CIS
• Familiarity with Microsoft 365, server deployment, and end-user support
• Familiarity with RDS, network radius design and troubleshoot
• Able to support on urgent or weekend for OS or network maintenance when needed on operation or project need
• Good to have experience with Azure, AWS cloud, PAM system
• Good to have experience to setup, manage full Azure landscape for SAP system

Pre-Sales activities

• Collaborate with the sales team to identify and qualify potential opportunities for network & server solutions
• Conduct technical assessments of client requirements and translate them into effective network, server designs and proposals
• Develop and present compelling technical presentations and demonstrations to clients, showcasing our network & server solutions
• Provide expert advice on network architecture, design, and implementation best practices
• Assist in the preparation of RFPs, RFQs, and other technical documentation as needed