Senior Network Engineer
Location: Corporate Office-Kuala Lumpur, Malaysia
Time Type: Full time
Job Description
Join DayOne – Shaping the Future of Data Infrastructure
DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started.
As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure.
If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.
Key Responsibilities
Identify gaps and deficiencies in the current network architecture and operations, propose improvement plans, and drive implementation
Troubleshoot and resolve complex network issues, including RCA (Root Cause Analysis), performance tuning, and incident management
Manage network infrastructure including routers, switches, firewalls, and wireless systems (configuration, maintenance, and security hardening)
Design, implement, and maintain data center and workplace network environments
Monitor network performance, identify bottlenecks and SPOF, and continuously optimize network quality and reliability
Establish and maintain network operation standards, documentation, and operational processes
Collaborate with cross-functional teams to ensure smooth project delivery and adherence to IT governance standards
Develop and maintain automation scripts, configuration templates, and backup strategies
Manage network monitoring, alerting, and reporting using tools such as Zabbix, Grafana, and ELK
Support capacity planning, scalability, and lifecycle management (Day 0, Day 1, Day 2 operations)
Ensure network security compliance and safe transmission of internal data
Qualifications & Experience
Minimum 5 years of experience in network engineering, implementation, and operations
Strong hands-on experience in enterprise and/or data center network environments
Experience in global enterprise, large-scale environments, or consulting firms (e.g., Big4) is an advantage
Proven ability to troubleshoot complex network issues and deliver end-to-end solutions
Experience in network design, planning, and project implementation is preferred
Technical Skills
Network & Protocols
Strong knowledge of IP routing and switching (OSPF, BGP, MPLS VPN)
Experience with SD-WAN technologies (e.g., Velo SD-WAN)
Solid understanding of LAN/WAN architectures
Devices & Platforms
Hands-on experience with Cisco, H3C, Aruba, and other mainstream vendors
Familiar with routers, switches, firewalls, and wireless solutions
Security
Experience with Fortinet firewalls, WAF, NAC (ISE/FAC), and network security controls
Understanding of network security best practices and monitoring
Tools & Automation
Experience with monitoring tools (Zabbix, Grafana, ELK)
Familiar with IPAM, configuration backup, and automation/orchestration tools
Certifications (Preferred)
CCNA / CCNP or equivalent practical experience
DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.
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