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DZH INTERNATIONAL PTE. LTD.

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IT Network & Infrastructure System Engineer

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🚀 IT Network & Infrastructure System Engineer – Build, Secure & Strengthen Mission-Critical Infrastructure
Location: Tanjong Pagar | 🏆 Award-Winning Fintech Solutions

Ready to take ownership of critical infrastructure, design resilient networks, and support high-performance systems that power the financial industry?

Join us as a IT Network & Infrastructure System Engineer and play a key role in supporting the enterprise IT environment behind our award-winning trading systems used by leading brokerages and banks across Asia. We’re looking for a hands-on engineer who can lead infrastructure operations, drive continuous improvements, support customers, and deliver complex network and data centre initiatives in a fast-paced production environment.

More experienced candidates will be considered for senior positions.

This is a full-time, on-site in office position.
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💪 What You’ll Own & Ace

Keep systems healthy – own daily application and system health checks to ensure stability, uptime, and operational reliability
Improve monitoring & alerting – drive continuous improvement of monitoring and alerting across infrastructure and application environments
Support infrastructure operations – manage and support the company’s IT infrastructure, including network, systems, storage, and virtualization/containerization platforms
Design network architecture – design, implement, and maintain secure, scalable, and reliable network architecture
Assist data centre projects – plan and execute data centre relocation, migration, and consolidation projects, including capacity planning, rack/power/cabling coordination, and cutover scheduling
Maintain critical documentation – prepare and maintain accurate documentation on IT assets, network diagrams, system configurations, and DR/BCP procedures
Work closely with customers – liaise with customers’ IT personnel to identify problems, propose solutions, and advise on infrastructure design
Provide hands-on support – provide call support and on-site support whenever necessary
Manage incidents effectively – document and track incidents with root cause analysis, corrective actions, and preventive actions
Support business continuity – provide rotational after-office-hours and weekend support when required (off in lieu provided)
Contribute where needed – take on any other tasks assigned as part of infrastructure and operational support
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🎯 What You Bring to the Table

  • Degree in Information Technology or a related field
  • Some working experience in IT Infrastructure, IT Operations, or Network Engineering but we are also open to fresh graduates
  • Hands-on experience with:
    - RHEL
    - Firewalls
    - Routers
    - Switches
    - Hypervisor / containerization platforms
  • Knowledge in network design and setup, including:
    - VLAN
    - IPSec VPN
    - SD-WAN
    - Routing protocols such as OSPF and BGP
  • Able to work independently with good initiative and willingness to take on responsibility
  • Willing to provide call support, on-site support, and rotational after-hours/weekend support when required

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⭐ Bonus Points If You Have

  • RHCSA / RHCE certification
  • Working experience in CI/CD implementation
  • Working experience with Oracle and MySQL databases
  • Working experience in a Financial Services environment
  • Experience with data centre relocation / migration projects

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💎 Why You’ll Love It Here

  • Attractive salary + awesome perks (medical, birthday leave, study leave & more)
  • Impactful work – your designs will keep mission-critical systems running flawlessly
  • Stable, supportive culture – great managers, collaborative teammates
  • Regular team-building fun to balance the serious stuff

Skills

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