Top Tech Jobs & Startup Jobs in Chicago, IL

Develops and maintains COBOL, IDMS, and ADSO applications on IBM mainframes supporting the Defense Civilian Payroll System. Coordinates software development across functional teams, manages project plans, resources, schedules, risks, quality, and communication, and contributes to technology strategy and software requirements, design, and implementation.

Leads corporate treasury activities including receivables purchase programs, leasing operations, cash and debt forecasting, interest-rate forecasting, reconciliations, journal entries, banking support, and risk management. The role develops hedging recommendations, analyzes treasury performance, coordinates with internal finance and procurement teams and external banks and lessors, and supports process optimization and ad hoc financial analysis.

Provides architectural oversight for complex mainframe software products and mission-critical systems. Designs and validates enterprise architectures, documents components and interfaces, advises technical teams, integrates developer-built components, and communicates with technical, non-technical, and government stakeholders. Requires extensive COBOL and mainframe expertise, healthcare claims and CMS experience, Agile/SAFe knowledge, and ability to obtain Public Trust clearance.

Develop and migrate custom SAP CRM code to SAP S/4HANA Customer Management through Brownfield and Greenfield approaches. Build and manage EDI, IDoc, SOAP, REST, and BizTalk integrations. Enable SAP Fiori applications and configure spaces, pages, catalogs, and role-based access. Apply federal change, release, and configuration management practices, perform testing and code remediation, and maintain comprehensive technical documentation.

Lead database design, modeling, implementation, performance tuning, optimization, and operational support for MongoDB, Oracle, relational databases, and Databricks environments. Serve as the database subject matter expert, troubleshoot complex issues, and support scalable enterprise databases exceeding 5TB. Collaborate with developers, architects, and technical teams to deliver reliable, high-performing database solutions.

Manages multiple technical projects from design through implementation and testing. Responsibilities include developing work plans, schedules, estimates, resource plans, requirements, deliverables, status reports, and risk analyses. Coordinates technical, business, and leadership stakeholders; leads project meetings, change requests, and issue resolution; ensures systems meet requirements; and provides project updates and after-hours support.

Develop full-stack software for secure, scalable satellite ground communications platforms. Responsibilities include building Python backend services and APIs, designing TypeScript front-end applications, implementing authentication, authorization, microservices, databases, testing, and cloud deployments. The role involves collaborating with MBSE and test teams, translating requirements into technical designs, troubleshooting production issues, supporting integrations, and presenting engineering recommendations. Work requires maintaining secure, reliable systems for U.S. Government missions.

Develop and maintain a Medicare claims processing system in a mainframe environment. Responsibilities include designing, coding, unit testing, debugging, defect resolution, technical documentation, and installing changes in test regions. The role leads complex development components, translates customer requirements into work items, provides estimates and technical guidance, represents the team to clients, and mentors junior developers while supporting Agile/Scrum maintenance and operations.

Designs, develops, deploys, and optimizes Snowflake data pipelines while serving as backup Snowflake administrator. Responsibilities include data modeling, performance tuning, RBAC, schema management, cost optimization, backup and recovery, automation, and disaster recovery strategies. The role requires collaboration with product, engineering, architecture, and Agile teams, plus advanced SQL, Python or shell scripting, AWS, and Snowflake platform expertise.

Lead the AWS cloud security program and manage security engineering teams. Establish AWS security standards, oversee IAM, encryption, logging, monitoring, vulnerability management, Terraform automation, CI/CD security, incident response, and secure architecture reviews. Manage risk registers, compliance workflows, audits, control testing, and FedRAMP, FISMA, NIST, and SA&A readiness. Guide investigations, remediation, runbooks, tabletop exercises, and secure cloud practices while reporting risks and metrics to leadership.