Top Mechanical Engineer Jobs in Chicago, IL

Design and support HVAC systems from concept through construction documents using Revit/AutoCAD and HVAC load software. Perform equipment selection, duct and piping sizing, code compliance, coordination with other disciplines, permit and specification preparation, field surveys, and construction administration. Support project managers with budgets, schedules, and quality control.

The Mechanical Engineer II - IV will provide trade-specific system design, manage CAD/BIM staff, assist with project proposals, and ensure design accuracy, primarily using REVIT and AutoCAD.

Lead mechanical FEA analyst providing design and advanced stress analysis for pressure vessels, specialty process equipment, internals, and piping. Perform elastic/creep/plastic and thermal stress, fatigue, fitness-for-service, fracture mechanics, and vibration troubleshooting. Develop models, tools, and reports, mentor junior analysts, represent UOP with customers/vendors, and improve mechanical design capabilities and IP.

Apply advanced fluid mechanics and CFD to develop and commercialize process equipment, support reactor/equipment optimization, troubleshoot field issues, mentor analysts, represent UOP with customers/vendors, and contribute patents and technical publications.

Design and engineer full HVAC systems for healthcare and commercial facilities. Perform site assessments, develop HVAC layouts and 3D Revit/piping models, research mechanical codes, ensure compliance, and manage multiple projects across design phases.

Lead mechanical discipline designs (HVAC, Plumbing, Fire Protection) for water and hydro projects through all project phases. Produce BODRs, calculations, drawings, specifications, cost opinions, respond to RFIs, review submittals, attend site visits, coordinate with disciplines, mentor EITs, and perform limited travel (~5%).

Assist in field evaluations, perform calculations, develop repair drawings, and provide technical support for equipment and piping systems.

Provide technical engineering support for gas and steam turbines, generators, and balance-of-plant equipment. Duties include troubleshooting, root cause analysis, maintenance strategy development, outage planning and oversight, vendor coordination, economic justification for projects, and fleetwide rotating equipment support while collaborating with operations, maintenance, reliability, procurement, and external vendors.

Responsible for developing mechanical test equipment, leading design efforts, performing FEA and thermal analyses, and maintaining product documentation. Collaborates with cross-functional teams, and surveys materials and vendors for optics activities.

The role involves designing electromechanical solutions for telecom systems, focusing on mechanical designs, thermal management, and product development. Responsibilities include overseeing prototype builds, collaborating with teams, and applying best practices in engineering.

Design, develop, test, and analyze thermal protection systems, textiles, and mechanical/electromechanical hardware for launch and flight vehicles. Create CAD models, manufacturing drawings, test fixtures, and requirement/verification documentation. Perform stress/thermal/fluid analysis, tolerance/GD&T assessments, risk mitigation, and present designs to stakeholders while supporting cross-functional teams for NASA, military, and commercial aerospace programs.

The Lead Mechanical Engineer will manage tooling design for hydropower projects, ensuring compliance with safety and engineering standards, coordinating with various teams and performing technical calculations.

Lead a global mechanical design team to define and execute user-centered design strategies, deliver high-quality products, manage timelines/budgets/resources, provide technical guidance, and drive continuous improvement and cross-functional collaboration.

The Mechanical Engineer will develop mechanical components for bath products, optimizing performance using fluid dynamics and CAD tools, while collaborating with cross-functional teams.

The role involves delivering predictive analytics solutions for customer accounts, analyzing data, and mastering related software tools. Requires teamwork and customer management skills.

Provide expert feedback on mechanical (HVAC) design workflows, review anonymized project examples, test and critique prototypes, map MEP coordination pain points, and identify work suitable for automation.

Lead development and implementation of preventive and predictive maintenance for onshore mechanical equipment, use CMMS to plan and monitor maintenance, analyze reliability data, perform RCA, support operations and maintenance teams, ensure safety and compliance, and recommend improvements to reduce downtime and costs.

Lead development and implementation of preventive and predictive maintenance programs for offshore mechanical equipment, use CMMS to plan and track work, perform RCA for failures, support offshore teams in troubleshooting, monitor equipment reliability, and ensure compliance with safety and maintenance standards.

Design and engineer mechanical material-handling systems including conveyors and sortation. Create layouts, specs, RFQs, BOMs; perform load and throughput calculations; support installation, commissioning, site surveys, validation, cost estimation, and cross-functional design integration.

As an Opto-Electronic Mechanical Development Engineer, you'll develop mechanical designs, perform analyses, collaborate with teams, and ensure product reliability.

Lead mechanical engineering for medium-to-large material handling and conveyor projects from design through installation. Provide technical leadership, ensure compliance with customer requirements, manage deliverables, schedules, change orders, and cross-functional coordination. Mentor project engineers, resolve technical and constructability issues, review engineering drawings, and drive continuous improvement in engineering quality and project execution.

Lead mechanical design SME for global data center projects. Provide technical leadership on mechanical systems design, ensure compliance with standards, manage consultants, review designs at stage gates, support commissioning and operations, engage supply chain, and drive innovation in efficiency, resilience and buildability across hyperscale and AI compute facilities.

Lead complex mechanical engineering projects for data center infrastructure nationwide. Provide technical direction and mentorship, perform HVAC and CFD analysis, set efficiency KPIs, support urgent mechanical incidents, ensure design compliance with ASHRAE/ASME/Uptime, and collaborate with cross-functional teams to optimize cooling and mechanical system performance.

Lead mechanical engineer responsible for complex HVAC design (ductwork, piping, equipment selection), Revit/BIM modeling, QA/QC review, mentoring staff, interfacing with clients, construction administration, value engineering, site visits, and project coordination across large building projects.

Lead mechanical engineering for large-scale HVAC systems including ductwork, piping, equipment selection, and specification. Perform Revit/BIM modeling, energy modeling, QA/QC, mentor designers, manage multiple projects, interface with clients and design teams, conduct site visits, respond to RFIs and change orders, and support construction administration and value engineering.