Senior System Engineer, IT Network & Infrastructure

🚀 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

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💪 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

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🎯 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

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⭐ 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

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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

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