Top Mechanical Engineering Jobs in Chicago, IL

Leads the design, prototyping, testing, commissioning, and continuous improvement of direct air capture process equipment and pilot plant systems. Responsibilities include CFD and FEA analysis, equipment installation and validation, test rig development, technical documentation, safety reviews, project budgeting and scheduling, vendor coordination, and oversight of junior engineers and designers.

Embed with enterprise customers to solve mechanical engineering data, integration, and workflow challenges across PLM, ERP, QMS, and design systems. Implement AI-enabled CoLab workflows, validate AI-generated engineering results, identify product gaps, and develop scalable documentation and playbooks. Partner with technical program managers, software engineers, product teams, and customer stakeholders to lead technical projects and improve engineering decision-making.

Own mechanical product development from concept and CAD through prototyping, qualification, and production transfer. Design rugged, safety-critical assemblies; define mechanical safety architecture; specify materials, tolerances, finishes, and fasteners; build prototypes; create manufacturing packages; execute environmental and mechanical qualification testing; and manage BOM, weight, and center-of-gravity budgets while collaborating with hardware and software engineers.

Leads medium-complexity manufacturing engineering projects, including equipment design, process improvements, automation, machine rebuilds, and manufacturing line installations. Develops technical requirements, budgets, schedules, layouts, documentation, and handover packages. Provides hands-on troubleshooting and technical support for mechanical, hydraulic, pneumatic, and electrical systems. Collaborates with plants, maintenance teams, vendors, and EH&S to improve safety, reliability, productivity, and profitability. Extensive travel is required.

Designs and optimizes HVAC and plumbing systems for government, commercial, and industrial facilities. Responsibilities include producing construction drawings and specifications, equipment selection and sizing, site visits, facility condition assessments, cost estimates, CAD and simulation modeling, construction administration, reporting, and stakeholder collaboration. The engineer may lead technicians and designers, maintain code and industry knowledge, and travel up to 30% of the time.

Create production-ready mechanical designs using SolidWorks, including 3D CAD models, technical drawings, dimensions, tolerances, and manufacturing specifications. Revise designs, reverse engineer products, assess materials and manufacturability, calculate mass, and identify design risks. Develop engineering improvements, maintain accurate documentation, support multiple projects, and meet deadlines while working independently with US-based engineering teams.

Supports mechanical engineering for data center facilities, including hardware design, control sequence programming, troubleshooting, repairs, documentation, and stakeholder updates. Collaborates with cross-functional teams to maintain reliable infrastructure operations and applies knowledge of mechanical systems, thermodynamics, CAD, and CFD. The remote role includes occasional data center visits, approximately 10% travel, and occasional work outside normal business hours.

Performs piping flexibility and stress analysis, pipe support design, finite element analysis, and static equipment design for oil, gas, and LNG projects. Prepares calculations, drawings, specifications, bid evaluations, and technical documentation. Reviews supplier data, coordinates with multidisciplinary project teams, directs designers and drafters, and provides field verification and mechanical execution support.

Designs and coordinates mechanical and electrical building systems in BIM environments using Revit. Produces layouts, schematics, schedules, shop drawings, and project documentation while maintaining version control and incorporating field changes. Coordinates MEP subcontractors, resolves design issues, supports change-order budgeting, orders materials, and interfaces with customers, sales, project managers, and shop teams. May conduct site visits and inspect installations. Ensures designs comply with specifications, safety requirements, building codes, and quality documentation standards.

Lead design and delivery of mechanical HVAC and plumbing systems from concept through construction, perform load and energy modeling, conduct QA/QC and technical reviews, mentor staff, produce Revit models and construction documents, and support construction administration and site visits.

Perform structural and thermal analysis using ANSYS/ICEPAK, validate mechanical designs, and support design/build of rugged electromechanical components. Produce CAD drawings (GD&T/DFM), collaborate with systems/electrical teams and government engineers, and ensure compliance with military environmental and EMI/EMC requirements.

The Sr. Mechanical Engineer will lead the design of mechanical systems, ensuring compliance with industry standards, collaborate with clients, and oversee project management in manufacturing environments.

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.

The role involves designing structural specifications, reviewing projects for compliance, mentoring junior engineers, and providing proposal support while ensuring project deadlines are met.

The Senior Project Engineer, Mechanical leads mechanical design projects, oversees project engineers, ensures quality adherence, and mentors the engineering team.

The Mechanical Project Engineer manages project requirements, develops system designs, prepares deliverables, and ensures quality control while advising clients and coordinating project timelines.

Design fixtures, jigs, and facility layouts using CAD software in a manufacturing environment. Drive cost reductions, process improvements, productivity gains, and space utilization. Learn and apply Toyota Production System methods, including one-piece flow, takt time reduction, kanban, and workcell development. Serve as a bilingual Japanese-English liaison with the corporate team in Tokyo. The role requires an engineering bachelor’s degree, fluency in Japanese and English, and approximately 10% travel.

Designs food-industry machinery using SolidWorks and AutoCAD, including layouts, detailed drawings, exploded views, and bills of materials. Calculates conveyor motor requirements and rotational torque, collaborates with electrical engineers on HMI, PLC, and robotic integrations, incorporates customer design requirements, and supports on-site machine commissioning.

Leads field evaluations and root-cause failure analysis of in-service equipment and piping systems. Performs engineering calculations, repair drawings, recommendations, specifications, and construction scopes. Interfaces with clients and contractors, supports field execution and outage projects, and contributes to constructability planning, proposals, and estimates. Mentors small teams and provides technical leadership across process-industry infrastructure projects.

Designs, analyzes, fabricates, assembles, and tests mechanical and mechatronic systems for synchrotron beamlines and end stations. Collaborates with scientists and multidisciplinary engineering teams, manages project costs and schedules, coordinates vendors and manufacturing, and oversees inspections and commissioning. The role involves precision mechanics, flexure-based positioning, automation, thermal and fluid analysis, and potentially robotics, vacuum systems, X-ray optics, motion systems, and AI/ML engineering tools.

Provides senior technical leadership for complex mechanical engineering projects across infrastructure, building systems, industrial, utility, power, and life sciences markets. Leads design from concept through commissioning, establishes technical direction, reviews engineering deliverables, resolves complex issues, supports construction and field activities, and ensures quality and code compliance. Mentors engineers, advises clients, contributes to proposals and business development, and serves as Engineer of Record when appropriate.

Leads mechanical engineering design assignments across infrastructure, building, industrial, utility, power, and life sciences projects. Develops calculations, specifications, equipment selections, drawings, and construction documents; manages mechanical scope, schedules, budgets, and deliverables; coordinates multidisciplinary teams; reviews vendor and construction documentation; supports field investigations, installation, startup, commissioning, and troubleshooting. Mentors engineers and designers, performs QA/QC, supports client interactions and proposals, and applies engineering judgment to resolve technical issues.

Mechanical Engineer responsible for applications engineering and product development for mechanical seals and flow-control products. Duties include engineering calculations, product selection, design analysis using CSTEDY, technical specifications, failure analysis, field troubleshooting, customer support, testing, prototype development, engineering changes, and project management. The role also provides technical guidance, supports CAD activities, delivers customer presentations and training, and contributes to product enhancements and production transitions.

Technical lead for electro-mechanical actuator design and development for aerospace platforms. Own system architecture, component design, testing, validation, and lifecycle activities while coordinating suppliers, manufacturing, and customers to meet program milestones and producibility requirements.