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Hitachi Sunway Information Systems

Senior Network Engineer

Hitachi Sunway Information Systems
Singapore · Full-time · Mid-Senior

Network Engineering

  • Design, configure, and implement network solutions, including routers, switches, firewalls, wireless access points and SDWAN.
  • Monitor network performance and troubleshoot issues to ensure high availability and reliability.
  • Perform regular maintenance and upgrades on network devices and systems.
  • Implement and manage network security measures, including firewalls, VPNs, and intrusion detection systems.
  • Configure and manage DHCP and DNS services to ensure efficient network operations.
  • Engineer and maintain Microsoft Active Directory and WSUS (Windows Server Update Services) for user management and system updates.
  • Engineer and maintain Microsoft Entra ID and MECM (Microsoft Endpoint Configuration Manager) for user management and system management.
  • Collaborate with customer’s IT teams to integrate network solutions with other systems and applications.
  • Document network configurations, processes, and procedures for reference and compliance.
  • Provide technical support and guidance to internal teams and end-users regarding network-related issues.
  • Stay updated on industry trends, emerging technologies, and best practices in networking and IT infrastructure especially on cloud solutions.
  • Support on daily operation, Adhoc project and cross team support when needed.
  • Able to work independently to perform scratch base installation, backup, restore, configure, upgrade network equipment.

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.
  • Collaborate with team members to ensure seamless delivery of IT services to clients.
  • Familiarity with Microsoft 365, server deployment, and end-user support.
  • Familiarity with RDS, network radius design and troubleshoot.
  • Familiarity with server upgrade and server role migration.
  • Able to support on urgent or weekend for OS or network maintenance when needed on operation or project need.

Pre-Sales activities

  • Collaborate with the sales team to identify and qualify potential opportunities for network solutions.
  • Conduct technical assessments of client requirements and translate them into effective network designs and proposals.
  • Develop and present compelling technical presentations and demonstrations to clients, showcasing our network 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.
  • Engage with clients to address technical questions and concerns throughout the sales process.
  • Work closely with product management and engineering teams to stay updated on the latest technologies and solutions.
  • Participate in customer meetings, workshops, and events to promote our network offerings.
  • Provide feedback to the product development team based on client interactions and market trends.
  • Maintain a strong understanding of industry trends, competitive landscape, and emerging technologies in networking.


Required Skills / Experience / Education / Certifications: -

  • Cisco CCNA or equivalent to
  • Checkpoint Harmony SASE
  • HPE Aruba SDWAN
  • Fortinet FortiGate and Secure Wireless LAN
  • Allied Telesis
  • Minimum 4-6 years of experience in IT infrastructure business


Personal Attributes: -

  • Customer-oriented and highly responsive
  • Proactive, self-driven, and capable of independent decision-making
  • Ability to work in a fast-paced, multi-project environment

Key Skills

Ranked by relevance

server firewalls wireless high availability network security active directory windows server switches routers aruba cloud ccna dhcp vpns dns
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Posted
May 21, 2026
Type
Full-time
Level
Mid-Senior
Location
Singapore

Industries

Information Technology & Services

Categories

Information Technology

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