Senior Network Engineer

DayOne

Senior Network Engineer at DayOne focusing on network architecture and operations for data centers. Troubleshooting, managing, and optimizing network environments including routers, switches, and firewalls.

Posted 7/17/2026full-timeJohor Bahru • 🇲🇾 MalaysiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in network engineering, including design, implementation, and operations within enterprise and data center environments. Proficient in troubleshooting complex network issues, ensuring network security compliance, and optimizing network performance using various monitoring tools.

Highest-signal resume keywords

Network EngineeringIP Routing and SwitchingSD-WAN TechnologiesNetwork Security ComplianceMonitoring Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network DesignTroubleshootingPerformance TuningRoot Cause AnalysisConfiguration ManagementNetwork Security ControlsCapacity PlanningAutomation ScriptingData Center ManagementProject Implementation

Soft Skills

CollaborationProblem SolvingCommunication

Tools & Technologies

ZabbixGrafanaELKCiscoH3CArubaFortinetWAFNACVelo SD-WAN

Industry Keywords

Network ArchitectureOperational ProcessesIT GovernanceGlobal EnterpriseLarge-Scale Environments

Tech Stack

Tools & technologies

FirewallsGrafanaSwitching

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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
Strong knowledge of IP routing and switching (OSPF, BGP, MPLS VPN)
Experience with SD-WAN technologies (e.g., Velo SD-WAN)
Hands-on experience with Cisco, H3C, Aruba, and other mainstream vendors
Familiar with routers, switches, firewalls, and wireless solutions
Experience with Fortinet firewalls, WAF, NAC (ISE/FAC), and network security controls
Understanding of network security best practices and monitoring
Experience with monitoring tools (Zabbix, Grafana, ELK)

Benefits

Comp & perks

Health insurance
Professional development opportunities