Senior Network Engineer — Edge Delivery & CDN Specialist

The Northern Trust Company; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

The Northern Trust Company is seeking an experienced Senior Network Engineer to support enterprise edge infrastructure, CDNs, DNS, TLS, and WAFs. You will ensure secure, high-performing access to critical business applications and contribute to engineering and operational excellence.

You will work with Akamai and related technologies, troubleshoot complex connectivity issues, and collaborate with cybersecurity and infrastructure teams to improve availability and resilience across distributed

Qualifications

• 5+ years in network engineering or related field.
• Strong understanding of TCP/IP networking, DNS, routing, and network troubleshooting.
• Experience with load balancers, reverse proxies, application delivery controllers, or related technologies.

Responsibilities

• Engineer, configure, maintain, and optimize enterprise application delivery and edge services.
• Support the administration and ongoing development of the Akamai platform, including CDN, traffic management, and web application security services.
• Manage and troubleshoot DNS, HTTP/HTTPS, TLS certificates, reverse proxies, caching, and load-balancing configurations.
• Support the onboarding and integration of applications with enterprise edge infrastructure.
• Analyze application traffic, connectivity, and performance to identify and resolve service delivery issues.
• Assist with the configuration and tuning of WAF policies, bot protection, and DDoS mitigation services.
• Investigate and resolve complex networking and application delivery incidents across distributed infrastructure.
• Partner with network, application, infrastructure, and cybersecurity teams to diagnose and resolve service disruptions.
• Support platform availability, capacity planning, monitoring, and operational resilience.
• Participate in incident response, root cause analysis, change management, and problem management processes.
• Maintain technical documentation, operational procedures, and platform configuration standards.

Skills

Networking basics

TCP/IP

DNS & TLS

Load balancing

Troubleshooting

Communication

Tools

Akamai

CDN platforms

WAF

DNS management

TLS certificates

Job description

The Northern Trust Company is seeking an experienced Senior Network Engineer to support enterprise edge infrastructure, CDNs, DNS, TLS, and WAFs. You will ensure secure, high-performing access to critical business applications and contribute to engineering and operational excellence.

You will work with Akamai and related technologies, troubleshoot complex connectivity issues, and collaborate with cybersecurity and infrastructure teams to improve availability and resilience across distributed