Senior Global WAN & Cloud Network Architect

EY; Chicago (IL); On-site; USD 139,000 - 313,000; Full time

Benefits offered by this job

Medical & Dental Coverage

Pension & 401(k)

Paid Time Off

Job summary

EY in the United States is seeking a Senior Network Engineer - WAN & Cloud Connectivity to lead design, deployment, and lifecycle management of global WAN and cloud connectivity services. You will work across routing, SD-WAN, IPsec VPNs, DDoS mitigation, and cloud interconnects to ensure security, reliability, and performance.

You will mentor engineers, develop end-to-end designs, and collaborate with security, cloud, and operations teams while advancing automation, IaC, and observability across

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, Information Technology, Telecommunications, or a related technical discipline.
• Minimum of 12 years of progressive experience in enterprise or service provider networking, including substantial hands-on experience designing, implementing, and supporting large-scale WAN, SD-WAN, Internet, B2B VPN, and cloud connectivity solutions.
• A current Cisco CCNP Enterprise or equivalent professional-level network certification is preferred; CCIE or cloud networking certifications are strong value adds.

Responsibilities

• Provide hands-on technical leadership for design, implementation, migration, optimization, and lifecycle management of global WAN services.
• Design and support advanced routing and switching solutions using BGP, OSPF, route redistribution, QoS, and IPv4/IPv6.
• Lead SD-WAN engineering across branch offices, data centres, cloud environments, and SaaS platforms.
• Engineer Internet edge and peering solutions, including transit, interconnections, route policy, DNS dependencies, and DDoS mitigation.
• Design and implement hybrid and multi-cloud connectivity (Azure ExpressRoute, AWS, Google Cloud).
• Mentor engineers and promote sound engineering principles across the global team.

Skills

BGP

OSPF

SD-WAN

VPN

Network security

Python automation

Cloud interconnects

Education

Bachelor's degree in Computer Science/Engineering/IT/Telecommunications

Tools

Ansible

REST APIs

Python

JSON/YAML

Job description

EY in the United States is seeking a Senior Network Engineer - WAN & Cloud Connectivity to lead design, deployment, and lifecycle management of global WAN and cloud connectivity services. You will work across routing, SD-WAN, IPsec VPNs, DDoS mitigation, and cloud interconnects to ensure security, reliability, and performance.

You will mentor engineers, develop end-to-end designs, and collaborate with security, cloud, and operations teams while advancing automation, IaC, and observability across