Senior Network Engineer (Singapore)

About the role

F5 is looking for a Senior Network Engineer in Singapore who designs, builds and operates secure, reliable and scalable network services across global data centers, cloud platforms and F5's IP backbone, including regulated environments. The role owns network reliability, performance, automation and complex incident resolution, works with Architecture, Product, Security, Compliance, Build and Operations teams, and mentors engineers.

Key responsibilities

• Engineer, build and operate network solutions for global data centers, cloud platforms and product connectivity.
• Optimize global backbone routing and highly available Layer 3 architectures using BGP, OSPF, routing policies, redundancy and traffic engineering.
• Implement secure segmentation, boundary controls and traffic isolation, and partner with Security and Compliance to remediate vulnerabilities.
• Deliver hybrid and cloud-native connectivity across AWS, Azure and GCP using dedicated interconnects, VPNs, transit gateways and cloud routing services.
• Develop and maintain network automation with Python, Ansible/AWX and Git-driven CI/CD workflows.
• Own day-to-day network availability and performance through monitoring, telemetry, capacity planning, drift detection and lifecycle management.
• Troubleshoot complex routing, switching, TCP/IP and connectivity issues and lead or support major incidents.
• Execute changes, upgrades and migrations with documented methods of procedure, approvals, validation and rollback plans.
• Build security controls and compliance checks into automated workflows, validate changes in controlled environments, and maintain architecture diagrams, runbooks and control documentation.
• Manage vendor escalations, procurement and equipment lifecycle, and mentor engineers.

Required profile

• Bachelor's degree in Computer Science, Information Technology or a related field.
• 10+ years of network engineering experience in large-scale, multi-region and global routing environments.
• Strong hands-on expertise with BGP and OSPF, including route propagation, routing policy, traffic engineering, ECMP, route reflectors and multi-vendor interoperability.
• Strong engineering and operational experience with JunOS; Juniper MX, QFX and SRX preferred; EOS, NX-OS or IOS-XE familiarity is a plus.
• Advanced knowledge of F5 BIG-IP architecture, iRules, LTM, DNS/GTM, SSL/TLS, WAF (ASM/AWAF) and highly available enterprise deployments.
• Hands-on experience with hybrid and cloud-native networking in AWS, Azure and/or GCP (Direct Connect, ExpressRoute, Transit Gateway, Virtual WAN, cloud routers).
• Strong incident leadership, cross-functional communication and mentoring skills.

Required skills

• Python, Ansible/AWX, configuration templating, Git workflows and automated testing pipelines.
• Network security controls, segmentation, encryption and logging; firewalls, VPNs, DDoS mitigation, IDS/IPS and NIST 800-53.
• Troubleshooting routing, switching, TCP/IP, latency, packet loss, MTU/fragmentation and QoS.

What we offer

• Hybrid working mode.
• Career growth and development opportunities, recognitions and rewards.
• Employee Assistance Program.
• Competitive pay, comprehensive benefits and perks.
• Culture of Giving Back and Diversity & Inclusion interest groups.