Top Tech Jobs & Startup Jobs in Chicago, IL

Design and lead AWS cloud architecture and migrations for custom and enterprise applications. Automate infrastructure provisioning and configuration management, develop cloud-native architectures, promote DevOps/CALMS practices, implement security and cost-management strategies, and communicate architecture to technical and non-technical stakeholders.

Design, develop, test, deploy, and support Java web and client-server applications. Collaborate with business analysts and teams to estimate work, produce technical design and unit tests, conduct code reviews, resolve defects, and deploy integration artifacts to test and production environments. Follow SDLC best practices and document development and test plans.

Design, develop, and test SQL-based applications and database solutions. Troubleshoot and performance-tune RDBMS systems, conduct code walkthroughs, mentor junior developers, and lead/consolidate database integration projects. Collaborate across teams to ensure scalable, standards-compliant designs; healthcare data experience preferred.

Maintain and monitor company networks, phones, switches, Linux and Windows systems; troubleshoot and resolve network issues; coordinate hardware/software service; support application deployments; manage network providers and evaluate solutions.

Design and implement inventory-management functionality, diagnose and fix performance issues, define Java best practices, support development teams on Java/JSF/SQL/Spring, conduct code reviews and integrate inventory domain applications with other domains.

Design and execute comprehensive test plans and cases across unit, integration, system, performance, and regression testing. Use QA management and automated testing tools (QTP), create test data/environments, document test results and metrics, track and reproduce defects with developers, and perform re-tests and regression testing.

Design, develop, and modify mainframe applications to meet business requirements; troubleshoot and implement solutions; document testing and system changes; produce technical specifications and test plans; provide on-call support and follow SDLC processes.

Lead and supervise the IT infrastructure team, manage and document hardware/software and system interconnections, oversee upgrades, design and enforce infrastructure policies, support procurement and DR/cloud/co-location solutions, and resolve infrastructure issues while evaluating and recommending technology improvements.

Develop, enhance, test, document, and install financial mainframe applications. Maintain and modify existing systems, provide rotating on-call support, troubleshoot issues, and implement solutions alongside business analysts and team members.

Engineer and support enterprise identity and access management systems including directory services, web access management (ISAM), and identity management (ISIM). Configure authentication/authorization for applications, design directory replication and AD integration, implement provisioning workflows and RBAC, and troubleshoot AD, network, and authentication issues. Contribute to security standards, policies, and new engineering solutions.