361 Results for

Mechanical Engineering Jobs in Joliet, IL

Jobs

New!

Chicago, IL1 day ago

$120,000–$155,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a unique opportunity to join a dynamic team and contribute to the design, development, and implementation of various mechanical systems in the civil engineering industry.

New!

Downers Grove, IL4 days ago

$95,000–$145,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a key member of our team, you will play a pivotal role in the design and management of various projects, ensuring the highest levels of quality and efficiency.

New!

Chicago, IL4 days ago

Remote

$110,000–$170,000 Per Year

We are a growing, design-build mechanical contractor with a strong reputation across the Upper Midwest, delivering HVAC, plumbing, and process piping solutions across healthcare, higher education, industrial, commercial, multifamily, and hospitality environments. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Chicago, IL4 days ago

$90,000–$120,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.

New!

Bensenville, IL1 day ago

$100,000–$150,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. An established, growth-oriented mechanical contractor delivering complex commercial and industrial projects is seeking an Estimator to prepare accurate, competitive bids for HVAC and process piping scopes.

New!

Aurora, ILToday

$84,872–$97,193

Working with us means joining a worldwide team of passionate manufacturing professionals striving to continually improve the technologies the world depends on to deliver safe, reliable electricity. Our continuous focus on growth and innovation means that you become part of a company that provides challenging opportunities, rewards excellence and combines your individual expertise to achieve a higher level of shared success.

New!

Naperville, IL4 days ago

$125,000–$145,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The company fosters a collaborative environment where engineers work across disciplines to solve complex technical challenges, make an impact on high-performance products, and contribute to next-generation vehicle and equipment solutions.

OAKBROOK TERRACE, IL27 days ago

$103,200–$141,900

Develops studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, commissioning, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas and telecommunication facilities/systems. We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).

New!

university park, IL4 days ago

$90,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Bedford Park, IL4 days ago

$95,000–$120,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Decades-old metals manufacturer offering strong $$$, benefits, and great team in need of experienced Industrial Reliability Engineer to join the team!

New!

Park Forest, IL4 days ago

$95,000–$110,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Requirements: 5 + years of Design Engineering and/or Manufacturing Engineering experience involving pneumatic, electrical and hydraulic systems!

New!

Chicago Heights, IL4 days ago

$90,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Orland Hills, IL2 days ago

$100,000–$130,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our state of the art facility performs every process in house including milling, turning, and rubber molding to produce top of the line of equipment used worldwide.

New!

Chicago Heights, IL4 days ago

$35–$45 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Ability to read and interpret electrical, mechanical, instrumentation, and controls documentation including PIDs, single-line drawings, instrument loop drawings, cable routing/termination diagrams, and mechanical layouts.

New!

Chicago, IL4 days ago

$90,000–$160,000 Per Year

Must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Chicago, IL4 days ago

$110,000–$125,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Design BAS and HVAC control systems for mission-critical environments, including control schematics, network diagrams, panel layouts, and point-to-point wiring.

New!

Lombard, IL4 days ago

$31–$50 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our work supports mission-critical applications where quality, repeatability, and hands-on expertise matter, and our shop floor culture values craftsmanship, problem solving, and continuous improvement.

New!

Chicago Ridge, IL3 days ago

Full-time

Willingness to work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education), the ability to pass a drug screen and physical as required by the Department of Transportation, and potential travel within a near geography for training are required. • Doing preventative maintenance repairs—like replacing or rotating tires—and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles.

New!

Channahon, IL3 days ago

Chicago, IL30+ days ago

Remote

$200,000–$260,000 Per Year

Professional Engineer License (P.E.) is required + Direct experience supporting data center projects **Preferred Qualifications:** + Experience working with hyperscale or colocation clients + Experience managing large multi-disciplinary design teams + Experience with Design-Bid-Build and Design-Build delivery models **Additional Information** + Relocation is not available for this role. **Qualifications** **Minimum Qualifications:** + Bachelor’s degree in Mechanical Engineering plus twelve (12) years of relevant experience in mechanical design and/or mechanical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education, including 4 years of leadership experience.

Chicago, IL30+ days ago

Remote

$200,000–$240,000 Per Year

JOB SUMMARY: + Act as the primary point of contact for clients, responding to their inquiries and concerns in a timely and professional manner + Develop and maintain strong relationships with clients, regularly communicating with them to understand their needs and expectations + Coordinating with multiple disciplines and acting as lead mechanical engineer to ensure that projects are delivered within budget and on schedule while managing the mechanical team including HVAC, fire protection, plumbing + Develop detailed specifications for mechanical equipment, including pumps, fans, and air handling units. **Job Description** **AECOM** is seeking a **Senior Mechanical Engineer** with experience on **Hyperscale Data Center projects** to act as Data Center Mechanical Engineer Lead **.** The job incumbent will be responsible for designing and overseeing the construction of mechanical systems for hyperscale data centers, including HVAC, piping and fire suppression systems.

Naperville, IL30+ days ago

Remote

$125,000–$150,000 Per Year

10+ years of progressively responsible experience in mechanical engineering, design, and analysis, preferably within the nuclear or power generation industry. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Chicago, IL30+ days ago

$142,710–$215,440 Per Year

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. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects.

Chicago, Illinois30+ days ago

$84,762–$129,498 Per Year

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. 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.

Chicago, IL30+ days ago

Our sole focus on intellectual property enables us to more deeply understand our clients' technical needs, and our candidates' individual talents and career interests. • USPTO and admission to a state bar from a relevant state (or wave-in capability) required.

Downers Grove, IL30+ days ago

7+ years of mechanical engineering experience with expertise in at least two areas (e.g., Pressure Vessels, Rotating Equipment, Material Handling, or Heat Transfer). 7+ years of experience developing complex designs within a 3D environment (AutoCAD/Plant3D, CADWorx, SolidWorks, Inventor, etc.). Directly execute engineering tasks and lead multi-discipline design resources to meet "big picture" project objectives.

New!

Chicago, IL3 days ago

This role requires a hands-on engineering leader with strong product development expertise, excellent technical problem-solving skills, and the ability to collaborate across multidisciplinary and multi-site teams. We are seeking an experienced Technical Lead – Mechanical Design Engineering to oversee and guide mechanical design activities across multiple product development programs.

Chicago, IL30+ days ago

$100,000–$130,000
Full-time

We are seeking a Mechanical Engineer with Mission Critical Data Center Project experience performing 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.

Chicago, IL30+ days ago

$135,000–$175,000 Per Year

Job Summary: We are seeking a Senior Mechanical Engineer (P.E.) to lead mechanical and plumbing design efforts across a variety of projects. Key Responsibilities:Lead mechanical engineering task,s including client meetings, site visits, and project management.

Chicago, IL30+ days ago

$110,000–$115,000 Per Year

This individual will operate at a senior/lead level, playing a key role in product design and engineering execution, with a clear path to becoming a subject matter expert within the organization. We are partnered with a stable, growing manufacturer of commercial loudspeaker and audio communication systems to add a Senior Mechanical Engineer to their team.

Downers Grove, IL30+ days ago

This is a stable, industry-leading company with a diverse book of business spanning controlled agriculture, manufacturing, and large-scale commercial sectors, setting them up for continued stability and growth. About the Opportunity: Sterling Engineering's client, a premier design-build firm consistently recognized as a "Best Place to Work," is looking for a Senior Mechanical Engineer to join their organization.

Chicago, IL30+ days ago

Remote

$170,000–$200,000 Per Year

Cooling System Selection:** Selecting appropriate air/water side cooling systems for data centers, including Fan wall units, computer room air handlers (CRAHs), chilled water systems, DX systems and CRAC units, in-row cooling, and containment solutions, based on the specific cooling requirements of the data center and the criticality of the equipment. + **Coordination with Electrical and Mechanical Systems** : Collaborating with electrical engineers and mechanical engineers to integrate the heat rejection and HVAC system seamlessly with the electrical infrastructure, UPS systems, emergency power systems, fire suppression systems, and other critical infrastructure components.

Warrenville, Illinois30+ days ago

$92,700–$114,000 Per Year

Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Naperville, IL30+ days ago

Remote

$125,000–$150,000 Per Year

Sterling Engineering is looking for a Senior Mechanical Engineer to support commercial nuclear engineering projects. This opportunity is with a leading engineering services organization supporting nuclear power plant design and modifications.

Braceville, Illinois30+ days ago

$92,700–$114,000 Per Year

Chicago, Illinois30+ days ago

$75,000–$95,000 Per Year

Our client, a consulting engineering firm in Schaumburg, is seeking a mechanically minded engineer to support and manage regional infrastructure projects involving fluids, valves, and piping systems. The work involves a balance of technical analysis, report generation, and field-based activities, making it ideal for someone comfortable with both office-based engineering and hands-on site work for troubleshooting and validation.

Naperville, IL26 days ago

What We’re Looking ForBachelor’s degree in Mechanical Engineering or related fieldExperience designing heavy equipment, capital machinery, or large mechanical systemsPrior leadership or project leadership experience (formal or informal)Strong background in mechanical design, fabrication, and steel structuresComfortable working in an office-based engineering environment (not a plant-floor role)Someone who enjoys design work but is motivated to grow into leadership. Key ResponsibilitiesLead engineering efforts for large, custom industrial machinery (steel-based equipment)Provide technical direction and mentorship to engineering team membersDrive design, development, and continuous improvement initiativesCollaborate cross-functionally with manufacturing, operations, and leadershipSupport project execution including timelines, design reviews, and problem-solvingMaintain a balance of hands-on design work and team leadership.

Chicago, IL30+ days ago

Full-time

Serve 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.

Naperville, Illinois30+ days ago

$80,000–$99,600 Per Year

ENERCON Federal Services (EFS) offers end-to-end engineering and environmental design support for Department of Energy (DOE) and National Nuclear Security Administration (NNSA) projects, many years of experience across a variety of engineering disciplines. We transcend the conventional role of an engineering and environmental services firm; we are architects of innovation, steering efficiency, and sustainability in the energy, power, and technology sectors.

Chicago, IL30+ days ago

$116,620–$179,890 Per Year

Ten 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. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.

Chicago, IL30+ days ago

$82,380–$125,860 Per Year

Five 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. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.

University Park, Illinois30+ days ago

ESSENTIAL FUNCTIONS:Duties include, but are not limited to: Design: Create mechanical systems that meet customer needs and project specs. Willingness to wear PPE (hard hat, safety glasses, hearing protection, steel toed boots) as required.

Westmont, Illinois30+ days ago

$103,175–$132,765 Per Year

With 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.

Chicago, Illinois30+ days ago

$134,546–$205,557 Per Year

Fifteen 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.

Carol Stream, Illinois23 days ago

Knowledge 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.

Chicago, IL24 days ago

$120,000–$155,000 Per Year

With $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.

Chicago, IL30+ days ago

$72,690–$106,250 Per Year

University Park, IL30+ days ago

Full-time

Our products and integrated solutions include systems for campus and community alerting, emergency vehicles, first responder interoperable communications, industrial communications, and command and municipal networked security. Federal Signal Corporation (NYSE: FSS) builds and delivers equipment of unmatched quality that moves material, cleans infrastructure, and protects the communities where we work and live.

Morris, Illinois11 days ago

$122,400–$154,000 Per Year

Chicago, IL23 days ago

$150,000–$150,000 Per Year

100% Employee‑Owned Engineering ConsultancyShape the Future of High‑Performance Building DesignJoin a people‑first, employee‑owned engineering firm that is redefining flexibility, leadership, and long‑term career growth in the MEP industry. This is an opportunity to lead impactful projects, mentor high‑calibre teams, and build lasting client relationships—while maintaining a healthy work/life balance through a hybrid working model.

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Mechanical Engineering Jobs in Joliet, IL

Mechanical Engineer - Civil Jobot

Senior Mechanical Engineer (Construction/HVAC) Jobot

Lead Mechanical Engineer HVAC Jobot

Mechanical Commissioning Engineer Jobot

Estimator (Mechanical Contractor) Jobot

Mechanical Design Engineer II G&W Electric Co

Lead Vehicle Systems Engineer Jobot

Senior Engineer - T&S Engineering Programs Exelon

Design Engineer (Hydraulics) Jobot

Reliability Engineer Jobot

Design Manufacturing Engineer (hydraulics) Jobot

Process Engineer Jobot

Manufacturing Engineer Jobot

Controls Technician Jobot

Commissioning Engineer (Data Centers) Jobot

Senior Design Engineer – Mission Critical Controls Jobot

Senior CNC Machinist/Programmer Jobot

Diesel Technician/Mechanic III - Entry Level Penske

Diesel Technician/Mechanic III - Entry Level Penske Truck Leasing Co., L.P.

Mechanical Engineering Director, Data Centers - Remote (U.S.) AECOM

Mechanical Engineering Lead, Data Centers - Remote (U.S.) AECOM

Mechanical Design Engineering Supervisor, Nuclear System One

Mechanical Engineering Consultant 2 (Power Uprates) - Nuclear Sargent & Lundy

Mid-Level Mechanical Engineering Consultant Sargent & Lundy

Patent Associate – Mechanical or Chemical Engineering #21487 Chicago Vanguard-IP

Sr. Mechanical Engineer Sterling Engineering, Inc.

Principal Mechanical Design Engineer Amaris Consulting

Mechanical Design Engineer (Data Centers) Jobot

Sr. Mechanical Engineer (MEP) Sterling Engineering, Inc.

Mechanical Engineer Sterling Engineering, Inc.

Senior Mechanical Engineer (Data Centers) Sterling Engineering, Inc.

Senior Mechanical Engineer, Data Centers - Remote (U.S.) AECOM

Engineer, Mechanical Constellation Energy Generation, LLC.

Senior Mechanical Engineer Sterling Engineering, Inc.

Engineer, Mechanical Sr Constellation Energy Generation, LLC.

Mechanical Engineer Veterans Prime, Inc.

Lead Mechanical Engineer Sterling Engineering, Inc.

Senior Mechanical Engineer in Chicago, IL GD Resources

Mechanical Engineer - Early Career - ENERCON Federal Services Enercon Services, Inc.

Mechanical Engineer - Project Lead Sargent & Lundy

Mechanical Engineer - Senior-Level Sargent & Lundy

Mechanical Engineer Holland

Mechanical Engineer PE I ENFRA LLC

Mechanical Engineer Project Consultant Sargent & Lundy

Mechanical Engineer Snap On

Senior Mechanical Engineer Clayco

Mechanical Engineer 3 - Nuclear Sargent & Lundy

Engineer II - Mechanical Federal Signal Corporation

Engineer, Sr. Mechanical Constellation Energy Generation, LLC.

Senior Mechanical Design Engineer Energi People - Construction Engineering

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