Top Engineering Jobs in Chicago, IL

Design, build, and operate low-latency, high-throughput ad delivery systems for bidding, ranking, auctions, and pacing. Integrate ML signals, collaborate with Product and Data teams, ensure reliability and observability, run operational reviews, and mentor engineers while driving scalable backend APIs and data processing pipelines.

Supports electrical product testing and UL certification projects by evaluating products, defining test plans, coordinating laboratory work, reviewing compliance, resolving engineering issues, and preparing technical reports. Manages project scope, timelines, costs, client communications, and certification documentation while providing technical guidance and assisting with standards, test methods, and equipment development.

Conducts laboratory testing by following test plans, evaluating samples and results, completing reports, and communicating findings to customers and technical teams. Leads simple test programs, manages project activities and deadlines, operates and maintains complex test equipment, performs calibration, and improves testing processes. Requires an engineering degree or equivalent experience, strong communication and analytical skills, customer interaction, Microsoft Office proficiency, and the ability to incorporate automation into testing.

Designs, programs, maintains, and troubleshoots industrial automation and control systems. Develops PLC and HMI logic, supports VFDs, sensors, instrumentation, remote I/O, and industrial networks, and diagnoses system and communication issues. The role integrates new equipment, supports commissioning and startups, improves equipment reliability, maintains controls documentation, and collaborates with engineering, facilities, maintenance, operations, OEMs, contractors, and system integrators.

Engineers material certification projects involving marking and labeling, electrical insulation, coatings, chemicals, and gaskets. Responsibilities include defining investigation plans, establishing test programs, coordinating laboratory activities, evaluating samples against UL requirements, resolving engineering issues, developing procedures and test methods, managing project administration, and communicating technical results and requirements to clients. The role is hybrid in Northbrook, Illinois and may involve travel to client sites or industry events.

Tests and evaluates building assemblies for fire-resistance performance. The role develops test plans, reviews construction samples against UL requirements, coordinates laboratory activities, manages project schedules and administration, communicates technical results to clients, prepares reports and service procedures, resolves engineering issues, and assists with developing test methods, equipment, and requirements. Travel to client sites and representation at industry events may be required.

Build and scale production-grade GenAI services, including MCP Server, MCP Gateway, and AI Agent systems. Responsibilities include end-to-end feature ownership, architecture, implementation, deployment, monitoring, debugging, testing, documentation, and collaboration with product and design teams. The role emphasizes scalable and reliable software, AI-assisted development, security, guardrails, PII filtering, and continuous engineering improvement.

Leads full-stack software engineering for secure, scalable enterprise applications. Designs, develops, reviews, debugs, and troubleshoots Java-based solutions using microservices, cloud-native architecture, databases, messaging, and modern UI frameworks. Drives automation, application resiliency, AI-assisted engineering practices, secure coding, testing standards, architectural evaluations, and adoption of emerging technologies. Coaches teams, leads communities of practice, and collaborates across internal teams and external vendors.

Build and own features for Braze’s high-scale user segmentation system. Develop Ruby on Rails backend and React frontend functionality, optimize MongoDB and ClickHouse queries, and work with large-scale data. Own medium-sized projects from requirements through production, collaborate with product and design teams, write automated tests, review code, and participate in on-call support. The role requires strong software fundamentals, database experience, ownership, and effective communication.

Conducts on-site factory inspections and audits to verify products, components, markings, records, testing, calibration, and certification compliance. Prepares inspection and non-conformance reports, schedules site visits, witnesses tests, and supports corrective actions. Builds customer relationships, resolves technical and administrative issues, supports product launches and certification services, and promotes additional UL Solutions offerings. Requires extensive travel, including driving and air travel, within an assigned territory.

Leads complex fire and explosion engineering analyses, failure analyses, cause-and-origin investigations, and post-incident fact-finding projects. Performs numerical, field-data, and test-data analyses; mentors engineers; reviews and signs technical deliverables; manages client communications; and presents findings through reports, publications, and conferences. The role focuses on energy, storage, renewable, and industrial safety challenges.

Conducts fire protection product testing and certification projects, including defining scope, establishing test programs, reviewing samples against UL requirements, coordinating laboratory activities, preparing reports, and resolving engineering issues. Communicates with clients about technical requirements, project costs, schedules, and compliance concerns. May develop test methods, review files, support UL requirements development, and travel to client sites. Training is provided, and the role is open to recent graduates.

Lead reliability engineering for Caterpillar’s eCommerce platforms by monitoring and troubleshooting production systems, supporting 24/7 incident response, automating deployments, maintaining observability dashboards, improving performance and scalability, collaborating with developers, and ensuring security and compliance across infrastructure and applications.

Owns AWS cloud networking and infrastructure-as-code across a 40+ account Control Tower organization. Responsibilities include designing VPC and centralized egress architecture, authoring Terraform modules, extending governance, supporting EC2-to-ECS migrations and observability, maintaining GitLab CI/CD and identity integrations, and building internal tooling with AWS services. The role partners with engineering teams to create reliable, self-service infrastructure and advances the organization’s platform roadmap.

Build and enhance large-scale internal platform interfaces using TypeScript and React. Design workflow-driven user experiences, optimize performance, maintain architectural consistency, and improve CI/CD and testing practices. Own portions of the SaaS product, including monitoring and incident resolution. Collaborate with cross-functional stakeholders to deliver business-critical enhancements for investment, sales, operations, and portfolio-management workflows.

Build and lead full-stack software engineering initiatives using distributed microservices, cloud platforms, databases, APIs, and modern development frameworks. Provide technical leadership across Agile teams, define architectures and integration patterns, improve system performance, reduce technical debt, establish engineering standards, mentor developers, and influence technology strategy. The role supports regulatory needs and customer-facing financial products at scale.

Manage and optimize IBM MQ messaging infrastructure, including clusters, channels, queues, upgrades, security, disaster recovery, and automation. Design AWS integration solutions, collaborate with application and infrastructure teams, improve engineering practices, and lead technical integration initiatives. The role also involves mentoring engineers, supporting deployment tooling, containerization, observability, and reliable cross-platform cloud integrations.

Designs, deploys, and operates global network infrastructure, including Meraki environments, office networks, ISP circuits, Zero Trust, VPNs, firewalls, and monitoring. Administers enterprise AI platforms, develops AI-enabled automations, and enforces data protection and access controls. Builds scripts and API integrations, documents systems, supports complex IT escalations, evaluates vendors, collaborates cross-functionally, and participates in a global on-call rotation.

Lead frontend architecture and development of tablet-first Angular applications for real-time visualization and control of autonomous systems. Build high-performance hybrid mobile experiences with Angular, Ionic, and Capacitor; integrate live data, AI outputs, simulation platforms, and backend systems; establish reusable engineering standards, testing, CI/CD, observability, and AI-assisted development practices. Mentor engineers, lead technical reviews, and collaborate across product, UX, backend, AI, and robotics teams.

Leads full-stack software engineering for secure, scalable corporate technology systems. Designs distributed, event-driven microservices using Java, Spring Boot, Kafka, MongoDB, and CQRS/Saga patterns; builds React and TypeScript applications; reviews code; improves operational stability; and guides architecture, testing, security, and AI-assisted engineering practices. Collaborates with vendors and internal teams while leading technical communities and promoting agile delivery.

Leads software engineering for secure, scalable financial technology applications. Designs distributed systems using event-driven pipelines, CQRS, and real-time streaming; develops and reviews React UI code; improves automation, testing, resiliency, and operational stability; collaborates with UX, product, backend, vendors, and internal teams; and guides responsible adoption of AI-assisted engineering practices.

Design, architect, and implement large-scale, reliable, and secure software systems for Customer Information Management. Partner with product and architecture teams, ensure code quality, CI/CD, testing, and observability, drive operational resilience, mentor engineers, and influence cross-team technical direction.

Design, implement, test, deploy, and monitor scalable backend services and high-availability processes. Lead architectural decisions, mentor junior engineers, drive feature lifecycles, improve code quality and testability, and respond to customer issues. Contribute to Agile planning and documentation across domains while addressing performance, scaling, and systemic problems.

Lead QA efforts by designing and executing test strategies, creating automated and manual tests, tracking defects, maintaining traceability matrices, reporting findings, and collaborating with cross-functional teams to ensure product reliability and continuous improvement.

Designs, manages, and optimizes on-premises Kubernetes clusters and containerized applications. Responsibilities include CI/CD implementation, security configuration, infrastructure automation, storage and networking management, troubleshooting, upgrades, backups, and disaster recovery. The role collaborates with internal technology teams to provide reliable, scalable, and self-service platform capabilities.