Senior Opto-Mechanical Engineer Photon Queue Inc.Senior Opto-Mechanical EngineerLemont, IL$130,000–$170,000 / yearDesign, specify and integrate custom + off-the-shelf components – optical mounts (static, kinematic – manual & actuated), linear stages, Pockels cell assemblies, active alignment systems, motion controllers, PCBs, wiring, cooling systems and sealed/unsealed enclosures. You will work at the intersection of optics, mechanics, test and manufacturing, serving as the central integrating force that pulls domain-specific work from across the engineering team into a coherent, buildable product that ships to the world's leading quantum research institutions.
Senior Mechanical Engineer - Mission Critical DLR GroupSenior Mechanical Engineer - Mission CriticalChicago, IL$84,700–$144,430 / yearThe Mechanical Engineer for Mission Critical Projects is responsible for the design, coordination, and implementation of mechanical systems for high-performance, technically complex facilities such as data centers, laboratories, clean rooms, and critical infrastructure environments. 10+ years of experience in a MEP or integrated design firm working on commercial/public projects, including the design of HVAC, plumbing and fire protection building systems on complex projects.
Mechanical Engineer PE II ENFRA LLCMechanical Engineer PE IIWestmont, Illinois$130,487.50–$167,926 / yearFull timeWith over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success.
Mechanical Engineer PE III ENFRA LLCMechanical Engineer PE IIIWestmont, Illinois$150,100.50–$193,149 / yearFull timeWith over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success.
Senior Mechanical Engineer IV - Communications OTTO EngineeringSenior Mechanical Engineer IV - CommunicationsCarpentersville, IL$110,000–$125,000 / yearThe Senior Mechanical Engineer IV owns system‑level architecture, manages multiple product development efforts from concept through production release, and provides technical leadership across engineering, manufacturing, quality, vendors, and customers. Our Communications Division designs and manufactures ruggedized, application-specific communication systems built to perform when failure isn't an option , serving the military, law enforcement, public safety, and industrial customers worldwide.
Senior Mechanical Engineer in Chicago, IL GD ResourcesSenior Mechanical Engineer in Chicago, ILChicago, ILFull timeServe as a senior mechanical engineer across all phases of project development, including client coordination, pre-design, final design, site visits, meetings, and project management. The ideal candidate brings strong technical expertise, leadership capability, and the ability to manage complex mechanical systems from concept through construction.
Senior Mechanical Design Engineer Energi People - Construction EngineeringSenior Mechanical Design EngineerChicago, IL$150,000 / yearThrough a personalised Pathway to Leadership Programme , you'll have a clear roadmap for career progression, whether your aspirations lie in technical leadership, project management, mentoring, or strategic business growth. If you're an experienced HVAC Design Engineer looking to lead sophisticated projects, influence technical excellence, and accelerate your career with a forward-thinking engineering consultancy, we'd love to hear from you.
Sr. Mechanical Engineer | Food/Chemicals Michael Page InternationalSr. Mechanical Engineer | Food/ChemicalsWest Chicago, Illinois$100,000–$130,000 / yearFull timeThe site plays a key role in research, development, and manufacturing, supporting a wide range of industries that rely on vibrant, durable, and sustainable print technologies. With a strong emphasis on innovation and environmental responsibility, the organization is known for its commitment to quality, customer service, and continuous improvement in print chemistry.
Sr. Mechanical Engineer | Food/Ink Michael Page InternationalSr. Mechanical Engineer | Food/InkWest Chicago, Illinois$100,000–$130,000 / yearFull timeThe site plays a key role in research, development, and manufacturing, supporting a wide range of industries that rely on vibrant, durable, and sustainable print technologies. With a strong emphasis on innovation and environmental responsibility, the organization is known for its commitment to quality, customer service, and continuous improvement in print chemistry.
Sr Mechanical Design Engineer (MEP) ESPO CorporationSr Mechanical Design Engineer (MEP)Chicago, IL$122,712–$150,404 / yearPay range: $123,000 - $150,000 Our client, a growing and highly respected engineering consulting firm, is seeking an experienced Senior Mechanical Design Engineer (MEP) to join their Chicago team. This position goes beyond traditional engineering design—you will play a key role in building teams, strengthening client relationships, and driving project success across multiple engagements.
Senior Mechanical Engineer Valdes Architecture & EngineeringSenior Mechanical EngineerLombard, ILThe Senior Engineer determines what work is required, develops and coordinates the design, directs assigned engineers and designers, manages scope, schedule, and budget, and delivers complete, technically sound work with limited supervision. Valdes Architecture & Engineering is seeking an experienced Senior Mechanical Engineer to support projects across municipal infrastructure, water and wastewater, building systems, industrial process facilities, utility and power infrastructure, and life sciences markets.
Mechanical Engineer Jacuzzi GroupMechanical EngineerRoselle, ILThe Mechanical Engineer will work cross-functionally with engineering, product marketing, suppliers, and manufacturing teams to bring new products to market and ensure existing products meet performance, quality, and cost expectations. Jacuzzi Group is seeking a hands-on Mechanical Engineer to support the full lifecycle of product development, from concept and design through testing, validation, and production launch.
Mechanical Engineer PE I ENFRA LLCMechanical Engineer PE IWestmont, Illinois$103,175–$132,765 / yearFull timeWith over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success.
Mechanical Engineer Argonne National LaboratoryMechanical EngineerLemont, IL$78,505–$122,467 / yearArgonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. Proficiency in mechanical engineering design tools, including 2D and 3D CAD (preferably AutoCAD and Creo); finite element analysis (FEA) tools (e.g., ANSYS or COMSOL); and engineering analysis/simulation tools (e.g., MATLAB or Mathematica).
Mechanical Engineer Illinois Tool WorksMechanical EngineerCarol Stream, IL$115,000–$130,000 / yearMachines, Tools, Equipment and Work Aids that may be representative but not all inclusive of those commonly associated with this position: Computer, Microsoft Office Suite, calculator, telephone, scanners, printers, ERP, SolidWorks, AutoCAD. Works in cross functional teams consisting of mechanical engineers, electrical engineers, technicians, machine builders, sourcing professionals, project managers, and product managers.
Mechanical Engineer Tree Top StaffingMechanical EngineerOak Brook, IllinoisOur organization is instantiated by experienced professionals providing full service employment solutions including: contract, contract-to-hire, and direct-hire placements within multiple lines of business. Working experience with product lifecycle management (PLM), finite element analysis (FEA) and computational fluid dynamics (CFD).
Staff Mechanical Engineer Brindley EngineeringStaff Mechanical EngineerLisle, IL$110,000–$150,000 / yearThe above pay range represents a general guideline; however, Brindley considers several factors when determining base salary that are unique to each candidate, including but not limited to the candidate's depth of experience, skill set, certifications, specific work location, and current market conditions. Employees may be eligible for discretionary bonus and/or other applicable incentive compensation plans in addition to base pay to reward individual contributions and allow employees to share in company results.
Mechanical Engineer Project Consultant Sargent & LundyMechanical Engineer Project ConsultantChicago, Illinois$134,546–$205,557 / yearFull timeFifteen or more years experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power, oil & gas, or chemical), with a focus on integrated, detailed system design for new plants, modifications, or replacements; Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of performance sizing calculations and specifications. About This Business Unit: The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities.
Mechanical Engineer Snap OnMechanical EngineerCarol Stream, IllinoisKnowledge of mechanical engineering principles, preferably materials (metals, plastics, and processing), statics/mechanics, mechanisms, testing, instrumentation, and FEA methods. Apply DFMA principles to optimize cost trade-offs between component and labor costs; refine component designs and process using supplier and in house manufacturing inputs.
Senior Mechanical Engineer Chemring GroupSenior Mechanical EngineerDowners Grove, IL$102,500–$138,500 / yearExperience and industry knowledge with a background in energetics, prime commercial contractors in the U.S. aerospace, space, and defense industries, preferred, including DoD, NASA, the USAF, and USN desired; experience with similar devices applicable to missiles and space is preferred. JOB SUMMARY: CED's Senior Mechanical Engineer holds technical accountability in developing new products and supporting existing legacy devices for military, aerospace, pyrotechnic, pneumatic, or electro-mechanical devices throughout the product lifecycle.