Top Engineering Jobs in Chicago, IL

Develop and deploy slot-game features in Unity and C#, including gameplay, UI/UX, engine systems, and creator tools. Build server-backend functionality, investigate and extend slot-engine systems, define technical tasks, and quickly resolve bugs. The role requires collaboration, strong communication, and delivery under deadlines, with opportunities to work on live mobile games and performance optimization.

Leads technical vision and engineering excellence for a cloud-native global payments network. Designs and reviews resilient, secure, scalable, low-latency systems; decomposes complex problems; supports cloud modernization and new payment capabilities; mentors engineers; shares technical knowledge; and advises teams on architecture, performance, scalability, operability, and production-quality implementation.

Configure and support Workday across HCM, Recruiting, Compensation, Payroll, and Benefits. Partner with product owners and HR stakeholders to translate business needs into solutions, improve processes, test new capabilities, troubleshoot production issues, document implementations, and maintain calculated fields, custom reports, security, and integrations. Research Workday updates and promote automation, technical excellence, and operational efficiency.

Leads software engineering projects and developer teams building distributed microservices and full-stack systems. Designs cloud-based solutions supporting regulatory needs and customer experiences, collaborates with product managers, mentors engineers, and promotes modern technology adoption. Uses JavaScript, Java, TypeScript, SQL, Python, Go, databases, Docker, Kubernetes, and cloud services including AWS. Requires a bachelor’s degree, four years of software engineering experience, and one year of cloud experience.

Determines project scope and specifications for security device testing and certification projects. Communicates with clients about technical requirements, costs, schedules, and compliance issues. Establishes test programs, reviews samples against UL requirements, coordinates laboratory technicians, prepares reports and procedures, resolves engineering variations, and supports development of UL requirements, test methods, and equipment. The role also includes project administration, continuous improvement, and occasional industry representation.

Perform independent software testing and quality assurance for complex applications and infrastructure. Design and execute automated, regression, integration, performance, and user acceptance tests; develop automation frameworks and test code; document and track defects; collaborate with product owners, developers, and end users; and support debugging, continuous integration, delivery, and end-to-end system testing.

Own the performance, availability, backup, recovery, upgrades, observability, and scaling of high-throughput PostgreSQL clusters across on-premises and Amazon RDS environments. Responsibilities include query and index tuning, Patroni failover management, restore verification, migration reviews, automation, incident response, disaster recovery, documentation, and collaboration with Ruby and Java development teams.

Lead software engineering work for secure, scalable financial technology products. Design, develop, test, troubleshoot, review, and stabilize production software; lead adoption of validated AI-assisted engineering practices; automate recurring remediation; and evaluate vendor and internal architectural solutions. Requires advanced Golang experience, cloud-native development, SDLC expertise, agile practices, application resiliency, security, and financial-services IT knowledge. Preferred experience includes Envoy, web ingress, OIDC, OAuth2, authentication, and authorization.

Design, develop, test, implement, and support Salesforce and full-stack software solutions. Collaborate with Agile teams, product managers, and technology communities to deliver cloud-based experiences. Use Salesforce technologies, JavaScript frameworks, Java, SQL, APIs, and web technologies while mentoring engineers, exploring emerging technologies, and applying AI tools to improve productivity.

Support product testing and certification by defining project scope, coordinating lab tests, ensuring UL standards compliance, communicating with clients, preparing reports, and resolving engineering and project issues. Coordinate lab technicians, develop test programs, assist in test method development, and represent UL at industry events as needed.

Performs NFPA certification testing, inspections, and field evaluations of fire apparatus, aerial devices, pumpers, and ground ladders. Uses nondestructive testing methods, analyzes results against UL requirements, evaluates compliance variations, audits quality programs, verifies equipment calibration, documents findings, and supports corrective actions. The role requires technical judgment, customer communication, confined-space and elevated-area work, lifting up to 70 pounds, and up to 50% overnight travel.

Develop and maintain certification requirements for gas and vapor detection products; lead standards participation; create training and guidance; handle new/innovative product reviews; initiate certification requirement changes and coordinate with Operations; represent UL Solutions in technical forums and provide subject-matter expertise.

Identify and evaluate engineering solutions to reduce GHG emissions, energy, waste, and water; model environmental performance; support renewable energy and low‑carbon tech implementations; develop technical feasibility and business cases; benchmark against standards; optimize facilities and operations for sustainability; collaborate cross-functionally as a technical SME to implement energy-efficient and circularity solutions.

Perform engineering evaluation and testing of fire alarm control panels to UL requirements. Manage project scope, test programs, laboratory scheduling, and reports. Communicate technical issues and results with clients, provide technical assistance, develop test methods/equipment, resolve noncompliance, and support continuous improvement and project administration.

Perform on-site safety and non-safety certification inspections, audits of quality systems, and field evaluations to verify compliance with UL requirements. Use measurement instruments, analyze test results, review production/inspection records, recommend corrective actions, document findings, and communicate with manufacturers and authorities. Travel locally within Denver with occasional regional assignments; integrate continuous improvement and promote UL services.

Support product testing and certification by developing test plans, coordinating lab activities, evaluating samples for UL compliance, managing project timelines and client communications, preparing reports, and assisting with test methods and requirements development.

Manage and execute field engineering evaluation projects with minimal supervision. Develop UL requirements, test methods, and equipment for complex products. Conduct on-site electrical product evaluations, liaise with clients and authorities, resolve compliance issues, and lead code and regulatory projects. Provide technical guidance, represent UL externally, and support continuous improvement.

The Electrical Design Engineer will design electrical systems for labs, oversee installations, ensure compliance with regulations, and promote energy efficiency and sustainability.

Use CFD tools (FLACS, FDS, others) to model battery fires, gas dispersion, deflagration, and thermal impacts. Perform pre/post-processing, V&V against large-scale tests, support performance-based design and code compliance, produce technical reports, and collaborate with multidisciplinary teams while developing domain expertise.

Build and validate computational models of combustion, heat transfer, fluid flows, and fire/explosion scenarios using commercial CFD and FEA tools. Perform pre/post-processing, analyze results, document modeling approaches, run validation experiments, write technical reports, and communicate findings to internal and external stakeholders. Collaborate with industry and academics and present at conferences.

The role involves executing DV/PV testing for lithium-ion batteries, managing projects, facilitating client communication, and ensuring compliance with standards.

Lead principal for CFD and physics-based simulation focusing on CFD, fire/explosion, refrigerant leakage, battery thermal runaway, combustion, multiphase flows, and electronics cooling. Own V&V strategy and model credibility, enforce ASME/NASA/Oberkampf & Roy best practices, drive test-to-simulation correlation, mentor engineers, produce technical reports for certification, and guide global teams on validated modeling approaches for safety-critical applications.

Perform safety and non-safety certification inspections and audits at manufacturers' sites, evaluate test results against UL requirements, verify calibration of measuring equipment, document findings, recommend corrective actions, communicate with clients and authorities, and support continuous improvement. Travel locally within the Austin area with occasional regional travel for training or additional support.

Tests and certifies fire alarm, access control, and smoke detection systems to UL standards. Manages certification projects, defines test programs, coordinates laboratory activities, reviews product compliance, develops reports and procedures, resolves engineering issues, and communicates technical findings and project status to clients. The role also provides technical guidance, supports standards and test-method development, and may travel to client sites or industry events.

Lead global lab technical expertise for datacenter power and cooling testing. Drive standardization, safety, training, and process improvements across labs. Advise on test methods, equipment, and staffing; partner with stakeholders to digitalize and automate testing, apply Lean principles, and develop competency criteria and training materials.