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DZH International

Senior System Engineer, IT Network & Infrastructure

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🚀 Senior IT Network & Infrastructure System Engineer – Keep Our Networks Fast, Secure & Bulletproof

Location: Bukit Bintang | 🏆 Award-Winning Fintech Solutions

Ready to own critical infrastructure, strengthen security, and keep high-performance systems running at their best?

Join us as a Senior System Engineer and support 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 manage infrastructure, drive security best practices, work with vendors, and mentor junior team members in a fast-moving production environment.

Join our award-winning fintech team, where you’ll get to own mission-critical financial trading platforms trusted by leading brokerages and banks across Asia.

💻Hybrid work options available for eligible employees after probation


💪 What You’ll Own & Ace

  1. Keep systems healthy – perform daily application and system health checks to ensure stability and uptime

  2. Run core infrastructure – manage network, servers, storage, IP telephony, and related enterprise services

  3. Own server environments – administer RHEL and Windows Server across physical, virtual, and cloud platforms

  4. Manage virtualisation – support and maintain hypervisor platforms including Linux KVM and Windows Hyper-V

  5. Deliver infrastructure changes – plan and execute server provisioning, migration, and decommissioning activities

  6. Protect business continuity – manage backup and disaster recovery solutions to keep the business resilient

  7. Secure the environment – administer firewall policies, harden systems, remediate vulnerabilities, and enforce access controls

  8. Manage network services – configure and maintain switches, routers, VLANs, VPNs, and load balancers

  9. Work with security vendors – coordinate VAPT exercises and collaborate with MSS providers on SIEM operations, alert tuning, and incident follow-up

  10. Monitor & optimise – maintain monitoring and alerting tools, perform capacity planning, and resolve performance bottlenecks

  11. Guide the team – mentor junior engineers and contribute technical leadership across infrastructure initiatives

  12. Stay documentation-ready – maintain asset records, diagrams, SOPs, runbooks, and change documentation with discipline


🎯 What You Bring to the Table

  • Diploma or Degree in Information Technology, Computer Science, or equivalent

  • 5+ years of experience in system engineering, infrastructure management, or IT operations (Less experienced candidates will be considered for Associate positions)

  • Proven track record supporting enterprise-grade production infrastructure

  • Strong hands-on experience with:

    • Red Hat Enterprise Linux (RHEL)

    • Windows Server

    • Linux KVM and Windows Hyper-V

    • Fortigate and pfSense firewalls

    • Core networking: TCP/IP, DNS, DHCP, HTTP/HTTPS, VLAN, VPN, load balancing

    • Backup and disaster recovery solutions

    • Monitoring and alerting tools such as Zabbix

  • Basic scripting skills for automation using Bash, PowerShell, or equivalent

  • Strong troubleshooting, analytical, and problem-solving skills

  • Able to work independently, manage multiple priorities, and support after-hours/weekend issues when required

  • Good communication, vendor coordination, and collaboration skills


⭐ Bonus Points If You Have

  • Experience with AWS or Azure

  • Familiarity with Docker or Docker Swarm

  • Knowledge of databases such as MySQL, PostgreSQL, or Oracle

  • Experience with Postfix, Exchange, Apache, or related infrastructure tools

  • Familiarity with security standards such as ISO 27001, NIST, or PCI-DSS

  • Experience with EDR, DLP, PAM, or Microsoft Purview

  • Hands-on experience with HAProxy including load balancing, SSL termination, health checks, ACLs, and HA setup

  • Certifications such as:

    • RHCSA / RHCE

    • Fortinet NSE

    • CCNA / CCNP

    • CompTIA Security+

    • CEH

    • ITIL Foundation

    • Microsoft SC-400


💎 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


Ready to take command of networks that power millions in trades every day?
Apply now and let’s build something unstoppable together.

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