Senior Network Engineer - Application Delivery & Edge Services

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

About Northern Trust

As a global leader in innovative wealth management, asset servicing, asset management and banking services, Northern Trust (Nasdaq: NTRS) is proud to guide the world's most successful individuals, families, corporations and institutions.

Since 1889, we have aligned our efforts with our three guiding Principles That Endure: Service, Expertise, and Integrity. Together, they reflect the three cornerstones of business conduct which we strive to instill in our employees, whom we call partners, and to provide to our clients and the communities we serve worldwide.

With more than 135 years of financial experience and over 24,000 partners, we serve the world's most sophisticated clients using leading technology and exceptional service.

Position Overview

We are seeking an experienced Senior Network Engineer to support the engineering, operation, and continuous improvement of enterprise application delivery and edge infrastructure.

This role focuses on technologies that provide secure, reliable, and high-performing access to critical business applications, including content delivery networks (CDNs), load balancing, DNS, reverse proxies, web application firewalls (WAFs), and related edge services.

The successful candidate will have a strong foundation in networking, application delivery, and infrastructure troubleshooting, with the opportunity to develop specialized expertise in Akamai and enterprise edge technologies.

Prior experience with Akamai is preferred but not required. We are looking for an engineer with strong technical fundamentals, proven problem-solving skills, and an interest in building expertise in a critical enterprise technology platform.

Key Responsibilities

Application Delivery & Edge Infrastructure

• 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.

Operations & Troubleshooting

• 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.

Engineering & Continuous Improvement

• Identify opportunities to improve application performance, service availability, and operational efficiency.
• Assist with resiliency planning, failover design, and recovery testing for critical application delivery services.
• Evaluate emerging technologies, contribute to engineering recommendations, and platform improvements.
• Collaborate with cybersecurity teams to implement and maintain appropriate protective controls within the application delivery environment.

Required Qualifications

• 5+ years of experience in network engineering, infrastructure engineering, application delivery, or a related technical discipline, or equivalent demonstrated experience.
• Strong understanding of TCP/IP networking, DNS, routing, and network troubleshooting.
• Practical experience with HTTP/HTTPS, TLS/SSL, certificates, and web application connectivity.
• Experience supporting load balancers, reverse proxies, application delivery controllers, or related technologies.
• Ability to troubleshoot complex network and application connectivity issues across multiple technology layers.
• Familiarity with network monitoring, traffic analysis, packet captures, and diagnostic tools.
• Experience working in enterprise environments with formal change management and operational support processes.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with Akamai, Cloudflare, Fastly, F5 BIG-IP, Citrix NetScaler, or comparable CDN and application delivery solutions.
• Familiarity with web application firewalls, bot mitigation, DDoS protection, or API security technologies.
• Experience with CDN caching, traffic routing, global server load balancing, or DNS-based traffic management.
• Knowledge of automation tools, scripting languages, or API integrations such as Python, Terraform, or REST APIs.
• Experience supporting high-availability or geographically distributed application infrastructure.
• Familiarity with cloud networking environments such