Senior Network Engineer
Builds and operates Twilio’s global corporate network, VPN, zero-trust access, and cloud connectivity while monitoring performance and resolving incidents. The role requires substantial experience with Cisco, Palo Alto Networks, AWS networking, security protocols, and enterprise troubleshooting.
About the job
Responsibilities
- Build, operate, and support Twilio’s global IT network infrastructure.
- Track network assets, including hardware and software.
- Monitor network performance, availability, utilization, throughput, and latency, providing measurable metrics to IT leadership.
- Collaborate with stakeholder teams to determine current and future network needs.
- Prioritize projects and work according to business priorities using the Scaled Agile Framework (SAFe).
- Develop methods and tools to test and implement new LAN/WAN systems.
- Analyze network structures and improve efficiency, scalability, and sustainability.
- Formulate strategies to maintain and upgrade network systems efficiently.
- Respond to incidents, troubleshoot network issues, perform root cause analysis, and resolve connectivity problems.
- Create and maintain documentation for network designs, IT network standards, and processes.
Requirements
- 7+ years of experience building campus and/or data center network infrastructure, AWS cloud services, and networking.
- 5+ years of experience with Cisco LAN/WAN/Wi-Fi and Palo Alto Networks firewalls.
- 3+ years of experience with AWS cloud services and networking.
- Advanced knowledge of IEEE 802 standards and core IETF networking protocols, including the 802.11 suite, TCP/IP, DNS, DHCP, routing, and switching protocols.
- Hands-on knowledge of network monitoring.
- Knowledge of network security and implementing security policies for compliance.
- Proficiency in Windows, macOS, and Linux client networking.
- Experience troubleshooting network problems across different OSI model layers.
- University degree in computer science or equivalent experience.
- Excellent written and verbal communication skills.
Nice-to-haves
- Cisco CCNA or CCNP certification.
- AWS certification.
- Zscaler Zero Trust Systems experience or certifications.
- Scripting experience with API automation.
- Experience with infrastructure as code (IaC) using Terraform.
- Knowledge of the ITIL framework and its application in network environments.
- Project management skills.
Compensation and Benefits
- Competitive pay.
- Generous time off.
- Parental and wellness leave.
- Healthcare.
- Retirement savings program.
- Benefits vary by location.
Skills
AWS, Cisco Lan/Wan, Wi-Fi, Palo Alto Networks, Zscaler, Terraform, TCP/IP, DNS, Dhcp, Routing, Network Monitoring, Linux, Python, Itil
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