Top Tech Jobs & Startup Jobs in Chicago, IL

Develop and maintain Medicare claims-processing software in a legacy mainframe environment using COBOL and related technologies. Responsibilities include coding, debugging, unit testing, requirements analysis, defect resolution, software installation, technical documentation, and Agile/Scrum collaboration. The developer will support DME contract operations, deliver moderate-complexity solutions, estimate tasks, and coordinate with team members, clients, vendors, and other organizations.

Develop and maintain Java enterprise applications using Spring Boot, microservices, REST APIs, Oracle, and MongoDB. Design scalable systems, conduct testing, remediate vulnerabilities, troubleshoot distributed environments, participate in code reviews, document solutions, and mentor junior developers. The role also involves Linux, Git, Maven, Docker, Kubernetes, CI/CD, and cloud platforms such as OCI or AWS. An active Public Trust clearance and cybersecurity certification are required.

Leads DoD financial and information systems audit readiness for the DEERS portfolio. Responsibilities include supporting FIAR, FISCAM, ICOFR, OMB A-123, and SSAE audits; demonstrating system controls; responding to auditor data calls; maintaining compliance plans and procedures; developing corrective action plans; tracking remediation; assessing internal controls; and advising government stakeholders and senior leadership on audit findings, risks, and process improvements.

Implement, configure, maintain, troubleshoot, and optimize F5 BIG-IP load-balancing infrastructure across distributed data centers and LAN/WAN environments. Manage virtual servers, SSL/TLS, iRules, certificates, HA failover, upgrades, monitoring, and network diagnostics. Administer Cisco, Juniper, and Infoblox infrastructure; support routing, switching, DNS, IPAM, documentation, security compliance, maintenance windows, and on-call escalations. The role requires U.S. citizenship and eligibility for an agency security clearance.

Senior Software Engineer responsible for compliance validation, defect remediation, production migration support, monitoring, and operational documentation for a federal ESA Section 7 data integration platform. The role validates decision logic and consultation routing, develops migration runbooks and rollback procedures, resolves critical application defects, supports post-deployment operations, incorporates user feedback, and enforces code review and version control practices.

Designs, builds, and optimizes CI/CD pipelines across legacy mainframe and AWS environments. Automates workloads, integrates testing, maintains APIs, supports application integration, troubleshoots deployment issues, and improves DevOps processes. The role also supports software developers in an Agile/Scrum environment and contributes to modernization efforts bridging z/OS systems with cloud platforms.

Leads cloud platform maturity, architecture, modernization, continuous delivery, observability, incident response, and technical standards. Collaborates across software, infrastructure, security, networking, database, and operations teams while driving Agile improvements, executive communications, technical documentation, customer issue resolution, RFI responses, and strategic adoption of cloud, AI, analytics, and digital technologies.

Provides database administration and software development support for a DoD mainframe system using SUPRA PDM, MANTIS, COBOL, JCL, and z/OS. Maintains databases, copybooks, total-file views, and directories; supports platform modernization; evaluates and documents database environments; creates system interaction diagrams; and provides technical consultation and deliverable review. The role is fully remote and requires active Public Trust clearance and U.S. citizenship.

Designs, implements, and maintains secure integrations between IAM platforms and external systems such as ID.me, ServiceNow, and the ELK Stack. Develops APIs, middleware, data transformations, and iPaaS workflows; configures monitoring and alerting; troubleshoots cross-platform data flows; and ensures secure transmission and federal compliance. The role also produces technical documentation and collaborates with agile teams on development, testing, and deployment.

Leads complex federal IT and ICAM projects throughout the full lifecycle, from planning and design through deployment. Manages Agile delivery, project resources, budgets, risks, schedules, compliance, stakeholder communications, and cross-functional teams. Oversees IT operations, systems integration, user support, deployment, training, metrics, and project outcomes while coordinating with federal officials and ensuring adherence to security and contract requirements.