214 Results for

Mechanical Designer Jobs in Illinois

Jobs

New!

Chicago, ILToday

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, IL3 days 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, IL3 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.

Rockford, IL11 days ago

Be part of a fun, dynamic team that doesn’t just think outside the box—we build new boxes (and awesome rail equipment).Get the satisfaction of seeing your designs go from concept to real-world use. Areas of knowledge that are helpful: machining and fabrication operations regarding a weldment; operation and capabilities of construction equipment; and hydraulic and electrical systems.

New!

Chicago, IL3 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.

Newark, IL20 days ago

$92,700–$154,000

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. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.

German Valley, IL21 days ago

$92,700–$154,000

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.

Reddick, IL15 days ago

$122,400–$154,000

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.

Joliet, IL21 days ago

$122,400–$154,000

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.

New!

Minooka, IL3 days ago

$92,700–$154,000

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.

Seneca, IL21 days ago

$87,000–$114,000

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. As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all.

Rochelle, IL21 days ago

$92,700–$154,000

All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.). As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future.

New!

Park Forest, IL3 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!

Hazel Crest, IL2 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.

Chicago, IL30+ days ago

Remote

$110,000–$150,000 Per Year

Preferred Qualifications:** + Direct experience supporting data center projects + Experience working with hyperscale or colocation clients + Experience with Design-Bid-Build and Design-Build delivery models + Professional licensure (Architect, Engineer) is preferred but not required **Additional Information** + Relocation is not available for this role. + **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.

Westmont, Illinois30+ days ago

$30.71–$41.02 Per Hour

Responsibilities: Works closely with project managers, engineers and contractors to create unique high-level concepts and designs for all assigned projects. Building Automation System design and sequence writing experience - Preferred systems include Siemens, JCI, Honeywell, Trane, Struxureware, and Tridium.

Westmont, Illinois30+ days ago

$40.65–$54.27 Per Hour

Responsibilities: Works closely with project managers, engineers and contractors to create unique high-level concepts and designs for all assigned projects. Produces, with limited supervision, design documents including drawings, system flow diagrams and architecture, wiring diagrams, construction details, and equipment scheduling.

Westmont, Illinois30+ days ago

$44.72–$50.70 Per Hour

Chicago, Illinois30+ days ago

$64,817–$93,201 Per Year

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. 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, Illinois30+ days ago

$85,679–$130,899 Per Year

Chicago, Illinois30+ days ago

$77,890–$118,999 Per Year

Bolingbrook, IL29 days ago

$98,872–$128,577 Per Year

Reporting to the Manager of New Product Development, the Sr Mechanical Designer is responsible for advanced CAD architecture, concept development, and complex system layouts covering G&W Electric’s overhead and underground switchgear product lines. This role serves as a technical authority in Creo-based mechanical design, translating high-level ideas, concepts, and minimal inputs into fully realized design concepts, layouts, and CAD models.

Palatine, IL30 days ago

$75,000–$88,000 Per Year

This Product Designer role is a hands-on engineering support position focused on creating and modifying 3D CAD models for electrical assemblies and components. You will work closely with production, engineering, and quality teams to support product design, troubleshooting, and manufacturing readiness.

St. Charles, IL30+ days ago

$45–$55 Per Hour

Our client is seeking multiple Mechanical Designers to support ongoing engineering and design initiatives within a fast-paced manufacturing and automation environment. The role will focus on supporting design efforts, creating detailed drawings, and collaborating with engineering teams on various mechanical projects.

Cary, IL30+ days ago

This role is intentionally positioned for experienced candidates who can independently lead complex automation projects and guide the full lifecycle of mechanical and machine design. Coilcraft, Inc., a global manufacturing organization headquartered in Cary, Illinois, is seeking a seasoned Senior Mechanical Designer to join our Engineering Automation Department.

Chicago, IL13 days ago

You'll model integrated systems in 3D, draft mezzanines and structural components, and work directly with our sales team, project managers, and the customers themselves - turning unique processing challenges into equipment that ships from our Chicago facility. Markets served: coffee, pet food, cereal, craft brewing, dried nuts & chemical processing.

Lisle, IL30+ days ago

Full-time

Molex's Optical Connectivity Group is at the forefront of designing and delivering cutting-edge optical solutions that power data centers, telecom infrastructure, and next-gen computing. A successful applicant will have the ability to appropriately plan and see assignments through to completion; develop timing, meet project schedules, manage risks, and systematically solve problems of a complex scope.

Lisle, IL30+ days ago

Full-time

Translate designs and specifications of metal fabricated and/or molded products from engineers, product management, field engineering into detailed 3D models, drawings and specifications. Molex's Optical Connectivity Group is at the forefront of designing and delivering cutting-edge optical solutions that power data centers, telecom infrastructure, and next-gen computing.

Chicago, Illinois30+ days ago

$77,890–$118,999 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.

Warrenville, Illinois30+ days ago

$68,325–$104,385 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. Under the direction of the Mechanical Project Lead, this position will offer you the opportunity to work with multi-disciplined engineering and design project teams in developing mechanical general arrangement, piping isometric, pipe support, and mechanical equipment layout drawings in a 3-D model.

Chicago, Illinois30+ days ago

$85,679–$130,899 Per Year

Chicago, Illinois30+ days ago

$64,817–$93,201 Per Year

Chicago, Illinois30+ days ago

$68,325–$104,385 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. Under the direction of the Mechanical Project Lead, this position will offer you the opportunity to work with multi-disciplined engineering and design project teams in developing mechanical general arrangement, piping isometric, pipe support, and mechanical equipment layout drawings in a 3-D model.

Chicago, Illinois30+ days ago

$94,247–$143,989 Per Year

Description: Under the direction of the Mechanical Project Lead, this position will offer you the opportunity to work with multi-disciplined engineering and design project teams in developing mechanical physical layout drawings in a 3-D model. Independently plan and execute design deliverables, such as general arrangements, piping isometrics, piping composites, pipe support drawings, and equipment location drawings.

Batavia, IL30+ days ago

$35–$43 Per Hour

The position works closely with engineering teams to deliver precise, GD&T-compliant designs, with a strong emphasis on NX1980 and Teamcenter expertise. This role is heavily focused on NX design work, supporting advanced engineering projects through high-level 3D modeling and detailed drafting.

Cary, IL30+ days ago

$90,000–$115,000 Per Year

You will play a key role in designing custom automated equipment, robotics integrations, and advanced production systems that support cutting-edge manufacturing operations. This role is ideal for a hands-on designer who enjoys leading complex automation and machine design projects from concept through implementation.

Chicago, Illinois30+ days ago

$46,989–$67,566 Per Year

Chicago, Illinois30+ days ago

$53,568–$77,026 Per Year

Cary, IL30 days ago

We are seeking an Entry-Level Mechanical Engineer to join our machine design team and help develop custom automation equipment used in our manufacturing operations. Do you want to start your career at a stable, engineering-driven company where you can learn from experienced designers and see your work go from concept to production?

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.

Chicago, Illinois30+ days ago

$84,762–$129,498 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. 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.

Chicago, Illinois29 days ago

$118,023–$180,313 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. 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.

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.

Chicago, IL15 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

$125,000–$175,000 Per Year

LJC is seeking a Mechanical / HVAC Lead Engineer to provide technical leadership in the planning, design, and delivery of building mechanical systems for life sciences manufacturing facilities, including pharmaceutical and biotechnology production environments. 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.

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

$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, Illinois20 days ago

In addition to your engineering experience, to succeed in this role, you will need a solid knowledge of systems design for various projects with the ability to communicate design concepts via sketches and renderings. As a Plumbing Designer/Engineer III, you will work on a variety of projects, from small to large, providing technical leadership in plumbing design.

Chicago, IL14 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.

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.

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Mechanical Designer Jobs in Illinois

Jobs

Lead Mechanical Engineer HVACJobot

Mechanical Engineer - CivilJobot

Senior Mechanical Engineer (Construction/HVAC)Jobot

Design/Mechanical EngineerRCE Equipment Solutions

Mechanical Commissioning EngineerJobot

Engineer, MechanicalConstellation Energy

Mechanical Valve EngineerConstellation Energy

Engineer, Mechanical SrConstellation Energy

Engineer, Sr. MechanicalConstellation Energy

Engineer, Mechanical / Civil StructuralConstellation Energy

Electrical / Mechanical EngineerConstellation Energy

Strategic Mechanical EngineerConstellation Energy

Design Manufacturing Engineer (hydraulics)Jobot

Design Engineer (Hydraulics)Jobot

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

IS Mechanical Designer IIENFRA LLC

Mechanical Designer IIIENFRA LLC

IS Mechanical Designer IIIENFRA LLC

Mechanical Designer 2 -- Energy & IndustrialSargent & Lundy

Senior Mechanical Designer 2 -- Energy & Industrial GroupSargent & Lundy

Senior Mechanical Designer 1 -- Energy & IndustrialSargent & Lundy

Sr Mechanical DesignerG&W Electric Co

Mechanical Product DesignerSterling Engineering, Inc.

Mechanical DesignerSterling Engineering, Inc.

Senior Mechanical Designer – AutomationCoilcraft

Mechanical Designer — 3D & Process DesignModern Process Equipment

Mechanical Designer (Eden Prairie, MN)Molex

Mechanical DesignerMolex

Senior Mechanical Designer 1 - Nuclear PowerSargent & Lundy

Mechanical Designer 3 - Nuclear PowerSargent & Lundy

Senior Mechanical Designer 2 - Nuclear PowerSargent & Lundy

Mechanical Designer 2 - Nuclear PowerSargent & Lundy

Mechanical SmartPlant Designer 3 - Nuclear PowerSargent & Lundy

Mechanical Project Designer - NuclearSargent & Lundy

Mechanical Design EngineerSterling Engineering, Inc.

Mechanical EngineerSterling Engineering, Inc.

Mechanical Drafter 2 -- Energy & IndustrialSargent & Lundy

Mechanical Drafter 3 -- Energy & IndustrialSargent & Lundy

Entry-Level Mechanical EngineerCoilcraft

Engineer II - MechanicalFederal Signal Corporation

Mechanical Engineer - Senior-LevelSargent & Lundy

Mechanical Engineer - Project LeadSargent & Lundy

Mechanical Engineer Project ConsultantSargent & Lundy

Senior Mechanical EngineerClayco

Lead Mechanical EngineerClayco

Mechanical Design Engineering Supervisor, NuclearSystem One

Mechanical Design Engineer (Data Centers)Jobot

Plumbing Engineer III/Designer IIISyska Hennessy

Senior Mechanical Design EngineerEnergi People - Construction Engineering

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

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