SendGrid is seeking a Sr. Network Engineer to support and design our ever-growing global infrastructure. The ideal candidate is adept at providing world class operational support to enterprise network environments.

She/he will perform day-to-day operational duties and be an escalation point for other support teams when needed. This individual will also serve as a key resource on projects, working directly with project managers to implement network related technology solutions.

What You’ll Do

• Ensure all global production network environments and related systems and services are available 24/7
• Planning, implementation, supporting, and maintaining switches, firewalls, routers, proxies, wan accelerators, data center, and networking infrastructure to prevent productivity and data loss
• Perform daily system monitoring and environmental health checks
• Troubleshoot and remediate issues impacting WAN, LAN and internet connectivity
• Troubleshoot and remediate issues impacting the operation of the network infrastructure
• Assist in design, documentation, configuration, integration, and installation of complex network infrastructure
• Evaluate and recommend emerging technologies, systems engineering and architecture standards and strategies to increase reliability and manageability and provide training
• Provide 24/7 on call support as part of an on call rotation
• Perform other related duties as assigned
• We're an agile, fast growing company and this job description isn't meant to be an exhaustive list of your qualifications or all the things you'll do

About You

• Understanding of WAN, LAN, DMZ, VPN’s, TCP/IP, DNS, VLANs, etc. in a distributed environment
• Understanding of LAN/WAN technologies - OC3, DS3 / E3, MPLS, DWDM, Metro Ethernet
• Expert understanding of configuration, design and troubleshooting routing protocols including BGP, iBGP, OSPF, and MPLS
• Experience with Juniper, Cisco and Arista firewalls, routers, and switches
• Expert knowledge of the TCP/IP stack
• Knowledge of computer security systems, applications, procedures, and techniques
• Understanding of load balancing techniques, products, and technologies - F5, HAproxy
• Highly motivated and self-driven, capable of working with little instruction to resolve demanding tasks, as well as work with internal teams
• Able to implement complex projects and time-sensitive tasks under minimal supervision
• Network certifications (Juniper, Cisco) (preferred)
• A degree in computer science or related field (preferred)