Top Mechanical Engineering Jobs in Chicago, IL

Design and specify data center HVAC and heat-rejection systems, perform heat-load calculations and CFD airflow analysis, select cooling technologies, ensure redundancy and energy efficiency, coordinate with electrical/mechanical trades, and plan capacity for phased builds and future growth.

The Mechanical Engineer - Hydronics will own the hydronic distribution architecture for modular data centers, focusing on design, commissioning, and serviceability of liquid-cooled systems.

Lead MEP preconstruction for commercial projects: communicate with vendors, design engineers, clients, and subcontractors; procure and manage electrical/mechanical subcontracts and equipment; coordinate equipment submittals; assist with electrical, mechanical, and construction cost estimates; support project coordination and execution on-site.

Lead mechanical engineering efforts for power, energy, and chemical projects including equipment specification and vendor review, piping and equipment calculations, field surveys, project scheduling/budgeting, staff supervision and mentoring, and ensuring compliance with safety and environmental design criteria.

Perform mechanical engineering tasks for EPC projects: specify and review vendor documents for pressure vessels, pumps, tanks, and heat exchangers; perform equipment and piping calculations; specify piping materials; conduct field surveys; attend project meetings; and potentially lead mechanical scope including schedule, budget, and reporting.

Entry-level Mechanical Engineer supporting a Senior Mechanical Engineer on process equipment projects. Duties include specifying and reviewing vendor documents and bids for pressure vessels, tanks, pumps, and heat exchangers; performing equipment and piping calculations; specifying materials for piping services; attending client/vendor/internal meetings; and conducting field surveys to collect data and interpret drawings and specifications.

Provide advanced CFD modeling and fluid mechanics expertise to develop, commercialize, and optimize process equipment for refining, petrochemical, and gas processing. Lead CFD analyses for reactor/equipment scale-up, troubleshooting, and design concepts; mentor analysts; support customer/vendor meetings; contribute patents and technical publications; and apply modeling and programming to solve multiphase and granular solids problems.

Lead and manage a global mechanical design team to develop user-centered energy and sustainability solutions. Set design strategy, provide technical guidance, collaborate cross-functionally, manage project timelines, budgets, and resources, and drive continuous improvement to deliver high-quality products.

Lead mechanical FEA analyst providing advanced finite element and stress analysis for pressure vessels, reactors, piping and specialty process equipment. Perform thermal, creep-plastic, fatigue, fracture mechanics, fitness-for-service, and vibration analyses; support design, re-rating, troubleshooting, and remaining-life studies. Develop user subroutines and tools, mentor junior analysts, present technical findings to customers, and contribute to technical publications and IP development.

The Hydro Mechanical Engineer designs and commissions hydro turbines, performs mechanical calculations, oversees FEA and CFD analysis, and coordinates with various engineers. Responsibilities include technical reviews, vendor assessments, site inspections, and compliance with industry standards.

Designs, analyzes, documents, and validates ruggedized electro-mechanical electronic equipment for military applications. Supports requirements, concept, detailed design, production, and environmental test phases; leads small teams, presents at design reviews, and provides factory/supplier support and change incorporation. Works on cross-functional teams and contributes to process improvement and knowledge transfer.

Design and document ruggedized electronic equipment for military applications. Create and update CAD models, engineering drawings, and library parts. Collaborate with electrical, mechanical, systems engineers and manufacturing/quality teams to support producibility, machining, and ASME-compliant drawing practices.

Lead mechanical engineer for ruggedized electronic equipment development for military applications. Responsible for design, thermal/structural/microelectronics/opto-mechanical analysis, manufacture and environmental test, managing schedule and budget, leading engineering teams, stakeholder communication, and mentoring/knowledge transfer.

Design and lead process-mechanical tasks for industrial water/wastewater projects: prepare drawings, P&IDs, calculations, specifications, reports, coordinate disciplines, support construction, perform site evaluations and field testing.

Serve as process engineer on industrial water and wastewater projects: develop process designs, P&IDs, specifications, calculations, and O&M manuals; perform field work, pilot testing, commissioning, and client presentations; mentor junior staff; manage projects and support business development across study, design, construction, startup, and operation phases.

As a Project Mechanical Engineer IV, you will lead HVAC system designs, provide technical mentorship, oversee projects, and engage with clients.

Design, test, and review mechanical products using CAD/CAE tools; support product development, prototyping, fabrication, and drawing releases. Work with cross-functional teams, interact with sales, and travel to customers/vendors as needed.

The Power Generation Mechanical Engineer 3 performs design engineering, provides technical guidance, and supports project management in the power generation sector.

Lead the Mechanical Engineering Department, manage design teams, oversee project stages, ensure compliance, and participate in technical reviews and proposals.

Collaborate on mechanical designs for data center systems, validating performance, overseeing construction, and ensuring designs meet quality benchmarks.

The Mechanical Engineer will design MEP systems using Revit and collaborate with project managers and subcontractors, ensuring compliance and safety in projects.

Lead mechanical engineering design and project portions for building projects, focusing on advanced HVAC and hydronic systems, load and equipment sizing, fire protection, underground utilities coordination, Revit/AutoCAD documentation, code compliance, construction administration, mentoring junior staff, and managing budgets and schedules.

The Senior Mechanical Engineer will design HVAC systems for data centers, perform heat load calculations, and ensure energy efficiency and air quality while collaborating with other engineers.

Design, analyze, and develop mechanical systems and components using CAD and analysis (FEA/CFD). Support prototyping, testing, DFM, and cross-functional collaboration for product development across industries.

Design and analyze MEP systems across all project phases, prepare BIM models, drawings, and specifications, ensure code and sustainability conformance, coordinate permitting, support construction administration and commissioning, collaborate with interdisciplinary teams, and mentor junior staff.