Engineering Jobs in Illinois, United States

Ameren Illinois seeks an Engineer for Gas Operations Engineering to support the delivery of safe, reliable natural gas distribution across central and southern Illinois. The role involves conducting systems studies, managing construction projects, and ensuring code compliance for gas facilities in Maryville or Alton, IL. This is a full-time position with a hybrid work model.

Power & Controls team at Collins Aerospace designs modern flight systems and critical power solutions. The Principal Engineer leads the design, development, testing, and documentation of embedded control and diagnostic software for safety‑critical power units, providing technical leadership and ensuring compliance with DO‑178C standards.

Technology team at John Deere builds the Digital Service Experience tool for dealers and customers, enabling efficient service interactions. The Software Engineer develops, codes, tests, and maintains full‑stack applications using React, NextJS, C++, Node.js and AWS, and designs performance improvements and modular front‑ends.

Akuna Capital seeks a Software Engineer – Data Engineering to join its data‑driven team in Chicago. The role focuses on designing, building, and maintaining scalable data pipelines and infrastructure that support trading, quant, and business operations.

Customer Engineering team at FourKites builds AI-powered supply chain integration platforms that connect enterprise systems to real-time visibility solutions. The Principal Engineer designs and implements complex data pipelines, microservices, and agentic AI workflows, writes production code, and leads technical strategy across Fortune 500 accounts.

Verizon seeks a Principal Engineer Data Engineering to design, build, and optimize enterprise data architecture that drives strategic insights and high-impact business decisions. Day-to-day, you will lead end-to-end ETL/ELT pipeline development, manage cloud-based data warehouses, and integrate DevOps and automated workflows into the data ecosystem.

Engineering Department at Federal Signal develops and redesigns Vactor manufacturing products, creating layouts, specifications, and prototypes to meet performance and reliability goals. The role designs new components, conducts feasibility studies, coordinates project progress, and supports field service and vendor interactions.

Engine Performance Calibration team at Caterpillar develops and manages calibration projects for dual‑fuel engines, ensuring performance targets and emissions compliance. The engineer creates test plans, conducts complex analysis, prepares certification documentation, and mentors a team of calibration engineers.

Power & Controls at RTX develops embedded aerospace software and power control systems for aircraft. The Principal Engineer leads the full software development lifecycle, designs build procedures, and provides technical leadership for safety‑critical embedded C projects, collaborating with hardware designers and ensuring DO‑178 compliance.

Construction Engineering team at V3 Companies in Woodridge, IL builds and delivers large-scale civil infrastructure projects across North America. The Resident Engineer leads federal and state‑funded projects, ensuring quality, compliance, and effective stakeholder communication while overseeing sub‑consultants and maintaining project documentation.

Federal Signal's Engineering team develops low-level firmware that powers electronic hardware devices. The Engineer II designs, implements, and tests embedded C/C++ code, collaborates with hardware engineers, and ensures real-time performance using RTOS.

Power & Controls team at Collins Aerospace builds safety‑critical flight power and control systems. The Principal Engineer designs, develops, tests and documents embedded control and diagnostic software, leads multidisciplinary research, and ensures compliance with DO‑178C standards.

Senior Principal Engineer leads complex electrical engineering initiatives, drives product design, development, and performance across Federal Signal. Oversees large-scale product development, research, and design, mentors teams, ensures compliance, and collaborates cross-functionally.

Software Engineering team at John Deere develops the Digital Service Experience tool for dealers and customers. The Software Engineer designs, codes, tests, and maintains applications using React, NextJS, C++, Node.js, and AWS, and collaborates across teams to improve performance and quality.

Plan, develop and execute capital projects supporting engineering feasibility and execution in supply chain and capital expense projects. Deliver accurate budgets, plans and technical solutions, support state‑of‑the‑art processes, and ensure quality and results per Mondelēz standards.

Core Gas Engine Software Test team at Diversified Services Network, Inc. ensures quality, reliability, and performance of gas engine software through hands‑on testing and automation. The Engineer develops and maintains test automation, executes validation activities, analyzes results, and collaborates daily with developers and engineers.

Wind Operations team at RWE focuses on maximizing reliability and performance of its onshore wind fleet across the Americas. The Engineer II leads advanced troubleshooting of electrical, electromechanical and control systems, conducts root cause analyses, and develops repair strategies to improve asset availability.

JD Intelligent Solutions Group at John Deere leads enterprise-wide electrical engineering strategy, overseeing capital investments, safety programs, and standards. The Senior Staff Engineer drives technical strategy, writes standards, and mentors the Electrical Engineering competency across the company.

Network Engineering team at Comcast Business delivers reliable SD-WAN connectivity for mid-market customers. The Engineer 3 provides advanced troubleshooting, incident resolution, and service assurance for SD-WAN overlays and underlay circuits, collaborating with vendors and field resources.