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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - Application Delivery & Edge Services - **Company:** Northern Trust - **Location:** Naperville, IL, United States - **Experience:** Expert - **Salary:** $114,500.0 - $194,700.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Proxy Servers, Application Firewall, Application Integration Architecture, Application Performance Management, Microsoft Azure, Business Software, Content Delivery Networks, Cloud Computing, Complex Networks, Cyber Security, DDoS Mitigation, Distributed Systems, Domain Name System (DNS), Python (Programming Language), Network Troubleshooting, Network Architecture, Network Monitoring, Routing, Packet Analyzer, Akamai, Web Application Security, Software Deployment, Transmission Control Protocol (TCP), Traffic Analysis, Web Applications, Diagnostic Tools, Scripting, Transport Layer Security, Enterprise Software Applications, Load Balancing, Software Security, Caching, Network Support, Cloudflare, Restful APIs, Terraform, Api Management, Big Ip, Citrix Netscaler - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-network-engineer-application-delivery-edge-services-naperville-il--951d1109-0d00-4c52-93de-7079b0ba50a9 ## About the Role Network Architecture/Engineering, Asset Management, Wealth Management, Banking Services, Technical Leadership, Network Architecture/Engineering, Enterprise Applications, Continuous Improvement, Network Support, Operational Improvement, 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., * 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 as Microsoft Azure or AWS. * Relevant technical certifications such as CCNA, CCNP, or comparable infrastructure certifications. * Experience working in financial services or other highly regulated enterprise environments. ## Description We are seeking an experienced Senior Network Engineer to support the engineering, operation, and continuous improvement of enterprise application delivery and edge infrastructure., 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.