Mechanical Engineer - Senior-Level Sargent & LundyMechanical Engineer - Senior-LevelChicago, Illinois$84,762–$129,498 / yearFull timeFive or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), 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 supporting calculations and specifications. AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
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.
Mechanical Engineer 3 - Nuclear Sargent & LundyMechanical Engineer 3 - NuclearChicago, Illinois$74,353–$113,595 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Lead Mechanical Engineer 1 - Nuclear Sargent & LundyLead Mechanical Engineer 1 - NuclearChicago, Illinois$118,023–$180,313 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Mechanical Engineer 3 Nuclear Sargent & Lundy LLCMechanical Engineer 3 NuclearChicago, IL$74,353–$113,595 / yearIn this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Associate Engineer Element Materials TechnologyAssociate EngineerGlendale Heights, Illinois$65,000–$77,000 / yearWorking under the guidance of engineers and metallurgists, the Associate Engineer supports laboratory operations by performing routine and non-routine metallurgical and mechanical testing of well-defined assignments under limited supervision in accordance with approved procedures, methods, and specifications working. From early R&D, through complex regulatory approvals and into production, our global laboratory network of scientists, engineers, and technologists support customers to achieve assurance over product quality, sustainable outcomes, and market access.
senior-mechanical-engineer-consumer-life-solutions-multiple-locations Burns & McDonnellsenior-mechanical-engineer-consumer-life-solutions-multiple-locationsChicago, IL$135,000–$210,000 / yearDescription The Senior Mechanical Engineer will lead mechanical design projects and teams to create world-class designs for new projects, alterations and redevelopments within the Life Sciences industry (Pharmaceutical and Biotech). + Quality review the construction administration including coordination with field personnel to resolve design related installation issues, calculations, field inspections and testing of mechanical systems.
Lead Mechanical Engineer 1 Nuclear Sargent & Lundy LLCLead Mechanical Engineer 1 NuclearWarrenville, IL$118,023–$180,313 / yearIn this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Senior Mechanical Engineer 2 - Nuclear Sargent & LundySenior Mechanical Engineer 2 - NuclearChicago, Illinois$100,019–$152,807 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Design Engineering Intern Asahi Kasei Advance AmericaDesign Engineering InternGlenview, Illinois$18–$20 / hourAsahi Kasei Bioprocess America, Inc. (AKBA) provides pharmaceutical and biopharmaceutical manufacturers with a comprehensive suite of tools to maximize safety and improve yields of biotherapeutics during research, clinical and commercial-scale production. We are currently seeking applications to fill the following job opening at Asahi Kasei Bioprocess where we sell Planova® virus removal filters and develops and manufactures related bioprocess equipment.
staff-mechanical-engineer-chicago Burns & McDonnellstaff-mechanical-engineer-chicagoChicago, IL$110,000–$165,000 / yearThe Staff Mechanical Engineer will work with project teams to create world class designs for new construction, alterations and redevelopments on a variety of project types including laboratories, central cooling/heating plants, campus utility distribution, power plants, federal facilities, airports, institutional, and industrial facilities. This position entails working on HVAC and plumbing technical designs for buildings such as laboratories, research and development centers, central cooling and heating plants, campus utility distributions, power plants, federal facilities and airports.
Mechanical Engineer - Project Lead Sargent & LundyMechanical Engineer - Project LeadChicago, Illinois$118,023–$180,313 / yearFull timeTen 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. AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Mechanical Engineer Senior Level Sargent & Lundy LLCMechanical Engineer Senior LevelChicago, IL$84,762–$129,498 / yearFive or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), 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 supporting calculations and specifications. In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Mechanical Principal Engineer - High-Power MolexMechanical Principal Engineer - High-PowerLisle, ILFull timeThe successful applicant will have the ability to appropriately plan and see assignments through to completion with minimal direction, provide leadership to other team members; develop timing, meet project schedules, manage risks, accurately quote design, and systematically solve problems of a complex scope. Molex is seeking an experienced Mechanical Principal Engineer to design our industry leading high-power connector and cable systems for our big data, hyperscale and EV/Green customers.
Mechanical Engineer Project Lead Sargent & Lundy LLCMechanical Engineer Project LeadChicago, IL$116,620–$179,890 / yearTen 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. In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Senior Mechanical Engineer ClaycoSenior Mechanical EngineerChicago, IL$120,000–$155,000 / yearWith $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.
mechanical-engineer-nuclear-multiple-locations Burns & McDonnellmechanical-engineer-nuclear-multiple-locationsChicago, IL$100,000–$165,000 / yearBurns & McDonnell's Power Global Practice is seeking to hire experienced mechanical engineers to our Nuclear team focusing on both operating Nuclear Power Plants and new nuclear power projects, including Small Modular Reactors (SMRs), microreactors and Advanced Reactors. As a mechanical engineer, you will serve as part of our design team with the ability to work on a full range of projects in engineering, procurement, and construction management related to the design, operation, maintenance, modification, and licensing of nuclear generating stations.
Principal Systems Engineer, Communications Hardware Remote Eligible | Relocation Assistance Available Axon Enterprise IncPrincipal Systems Engineer, Communications Hardware Remote Eligible | Relocation Assistance AvailableChicago, ILRemote$210,600–$242,100 / yearYou will partner closely with Electrical Engineering (EE), Radio Frequency (RF) Engineering, Software (SW) Engineering, and Mechanical Engineering (ME) leads to define system requirements, drive cross-functional design decisions, and ensure each subsystem comes together as a cohesive, production-ready device. Familiarity with relevant hardware design, simulation, testing, and lifecycle tools, such as Altium/Cadence, SolidWorks/Creo/NX, RF and electrical test equipment, thermal characterization tools, and PLM/BOM or requirements-management systems.
Senior Mechanical Engineer 1 - Nuclear Plant Analysis Sargent & LundySenior Mechanical Engineer 1 - Nuclear Plant AnalysisChicago, Illinois$84,762–$129,498 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Senior Mechanical Engineer CDM Smith IncSenior Mechanical EngineerChicago, ILPerform other duties as required including developing: HVAC systems master planning & studies; HVAC & Plumbing systems; mechanical systems (co-generation); sustainability/energy efficiency/renewable energy/green buildings; etc. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.