Top Engineering Jobs in Chicago, IL

Supports and oversees enterprise network infrastructure across on-premise and cloud environments. Responsibilities include routing and switching, Cisco firewall and ACI administration, AWS and Azure connectivity, troubleshooting, lifecycle management, network architecture, business continuity planning, documentation, vendor coordination, and on-call support. The role also develops technical specifications and implementation plans for complex network projects while maintaining security, performance, and compliance.

Lead performance and failover testing for mission-critical clearing, risk, and settlement systems. Design and execute load/failover tests, build automated performance frameworks, integrate tests into CI/CD, validate multi-region RTO/RPO SLAs, analyze results with observability tools, mentor QE engineers, and document evidence for regulatory audits.

Lead solution architecture for OCC's next-generation clearing system: design distributed, cloud-native, event-driven and batch systems (Kafka, microservices, Kubernetes), define architecture standards and NFRs, guide implementation, collaborate with DevOps/security, document decisions, and mentor engineering teams.