Senior Network Engineer – Global Infrastructure (Philippines)

Job Summary

We are seeking a Senior Network Engineer with strong expertise in designing, operating, and optimizing large-scale enterprise network infrastructure supporting global business operations.

This role requires a highly capable engineer who can independently manage complex, multi-site network environments and take ownership of end-to-end network architecture, performance, and reliability.

The ideal candidate has deep experience in enterprise or ISP-grade networks, with strong hands-on capability in advanced routing, firewall management, and large-scale network troubleshooting.

This position plays a key role in ensuring the stability, security, and scalability of global network infrastructure while contributing to continuous improvement, standardization, and automation initiatives.

What We’re Looking For (Must Be Strong In This Area)

We are prioritizing candidates with:

• Strong experience in network infrastructure design and architecture
• Ability to independently support and troubleshoot global enterprise network environments
• Background in:
• ISP core network operations, or
• Large-scale enterprise data center environments
• Strong hands-on CLI experience in:
• BGP traffic engineering (configuration and troubleshooting)
• Multi-area OSPF design and operations
• Cisco Firepower firewall policy configuration and management

1. Enterprise Network Infrastructure (80%)

• Design, implement, and maintain scalable and secure enterprise network architecture
• Take ownership of complex network troubleshooting across global environments
• Monitor network performance and proactively identify risks, bottlenecks, and optimization opportunities
• Support capacity planning and infrastructure scaling initiatives
• Evaluate and define technical requirements for network-related procurement
• Research and recommend modern networking technologies and architecture improvements
• Drive upgrades and enhancements of existing network systems
• Develop automation scripts to improve operational efficiency and reduce manual effort
• Support integration of systems across multiple network environments
• Ensure high availability, performance, and reliability of enterprise networks

1. Network Security & Resilience (20%)

• Monitor security logs and proactively identify threats and vulnerabilities
• Design and implement mitigation strategies for network security incidents
• Lead troubleshooting and root cause analysis of critical incidents
• Recommend preventive controls and network hardening measures
• Support Business Continuity Planning (BCP) development and testing
• Evaluate disaster recovery and BCP drill results and recommend improvements
• Assist in security compliance audits and documentation
• Ensure adherence to enterprise security and governance standards

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field

• CCNA required
• CCNP or higher strongly preferred

• Minimum 4 years of IT experience
• At least 2+ years of hands-on networking experience
• Proven experience in network design, implementation, and troubleshooting
• Experience supporting medium to large-scale enterprise networks (750+ nodes preferred)
• Strong advantage if experienced in:
• ISP core network environments
• Large enterprise data centers
• Multinational/global network operations

Technical Expertise

• Deep knowledge of enterprise networking: routers, switches, firewalls, LAN/WAN, data centers
• Strong expertise in:
• TCP/IP, DNS, DHCP, UDP, QoS, latency management
• BGP (including traffic engineering)
• OSPF (multi-area design and troubleshooting)
• MPLS and advanced routing concepts
• VPN technologies (IPSec, GRE)
• ACLs and access control mechanisms
• IDS/IPS concepts

• Hands-on experience with Cisco Firepower firewall policy configuration and troubleshooting
• Network security monitoring and incident response experience

• Windows Server (basic to intermediate)
• Cisco IOS / ASA / switching environments (advanced)
• Huawei networking systems (advanced)
• Linux (Ubuntu preferred – basic administration)

• Strong analytical thinking and structured troubleshooting approach
• Ability to work independently in complex, high-pressure environments
• Strong communication skills in English (written and verbal)
• Ability to document technical solutions and network architecture clearly
• Fast learner with adaptability to new technologies
• Experience leading or delivering at least one 6-month+ technical project

• ISP backbone/core network experience
• Data center-scale infrastructure exposure
• Experience in network automation and scripting
• Strong ownership mindset and proactive problem-solving approach
• Exposure to enterprise architecture or infrastructure modernization projects