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Mechanical Engineer Jobs in Romeoville, IL (NOW HIRING)

Arco/murray

Mechanical Engineer

Downers Grove, IL · On-site

$28K/mo

ABOUT YOU ARCO/Murray Engineering is currently seeking a Mechanical Engineer to join our Mechanical Engineering Design team based in Downers Grove, Illinois. This role will be responsible for guiding ...

Human Resources

Mechanical Engineer

Downers Grove, IL · On-site

$28K/mo

ARCO/Murray Engineering is currently seeking a Mechanical Engineer to join our Mechanical Engineering Design team based in Downers Grove, Illinois. This role will be responsible for guiding the full ...

Sciaky Inc.

Mechanical Engineer

Chicago, IL · On-site

Job Location(s) Chicago, IL (near Midway Airport) Summary The Mechanical Engineer designs mechanical components and assemblies in a cost effective manner that meets customer specifications and ...

Sciaky Inc

Mechanical Engineer

Chicago, IL · On-site

Job Location(s) Chicago, IL (near Midway Airport) Summary The Mechanical Engineer designs mechanical components and assemblies in a cost effective manner that meets customer specifications and ...

rwedesignbuild

Mechanical Engineer

Downers Grove, IL

$90K - $100K/yr

RWE Design Build is seeking a Mechanical Engineer to support our growing portfolio of projects in the veterinary, dental, and medical sectors. This role focuses primarily on HVAC system design within ...

RWE Design Build

Mechanical Engineer

Downers Grove, IL · On-site

$120K - $140K/yr

RWE Design Build is seeking a Mechanical Engineer to support our growing portfolio of projects in the veterinary, dental, and medical sectors. This role focuses primarily on HVAC system design within ...

Dynamic Manufacturing

Mechanical Engineer

Hillside, IL · On-site

$100K - $140K/yr

The Mechanical Engineer is responsible for designing, implementing, and maintaining fixtures and testers used in the testing of components and sub-assemblies within the automotive industry. The ...

RCS Staffing

Lead Mechanical Engineer

Downers Grove, IL · Hybrid

$110K - $133K/yr

Overview of YOUR role as a Lead Mechanical Engineer As a Lead Mechanical Engineer, you will lead mechanical engineering projects within the nuclear industry from proposal through design ...

Talent Finders

Senior Mechanical Engineer

Chicago, IL · On-site

$107K - $142K/yr

Senior Mechanical Engineer with 8+ years of HVAC and Plumbing design experience to join our Washington, DC office in Georgetown. This position will provide senior mechanical engineering and design ...

Hansoninc

Mechanical Engineer

Lisle, IL

$100K - $145K/yr

A Day in Life of a Mechanical Engineer at Hanson Here's a snapshot of what you would do in this role: * Design, analyze, and optimize HVAC systems for government, commercial, and industrial buildings ...

Argonne National Laboratory

Mechanical Engineer

Lemont, IL · On-site

$94K - $147K/yr

S. in mechanical, structural, or related engineering required. M.S. in engineering OR experience in an accelerator or physics research laboratory preferred. * Ability to carry out mechanical design ...

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All JobsMechanical Engineer JobsMechanical Engineer Jobs in Romeoville, IL

Mechanical Engineer information

See Romeoville, IL salary details

$46.4K

$104.9K

$169.8K

How much do mechanical engineer jobs pay per year?

As of Jul 27, 2026, the average yearly pay for mechanical engineer in Romeoville, IL is $104,895.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,100.00 and $129,000.00 per year, depending on experience, location, and employer.

What engineers make $300,000 a year?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $300,000 or more annually, especially with extensive experience, advanced skills, and leadership roles. High compensation often involves working in high-demand industries, holding advanced degrees, or obtaining professional certifications like PE or PMP.

What are the key skills and qualifications needed to thrive as a Mechanical Engineer, and why are they important?

To thrive as a Mechanical Engineer, you need a solid background in mechanical design, mathematics, and physics, typically supported by a bachelor's degree in mechanical engineering or a related field. Proficiency in CAD software (such as SolidWorks or AutoCAD), finite element analysis tools, and familiarity with industry standards or relevant certifications (like a Professional Engineer license) are common requirements. Strong problem-solving abilities, teamwork, and effective communication skills help professionals excel in collaborative and multidisciplinary environments. These skills are crucial for ensuring safe, innovative, and efficient engineering solutions that meet project and client needs.

What type of jobs do mechanical engineers do?

Mechanical engineers design, develop, and test mechanical devices and systems such as engines, HVAC systems, manufacturing equipment, and robotics. They often work in industries like automotive, aerospace, energy, and manufacturing, utilizing skills in CAD software, thermodynamics, and materials science to solve engineering problems. The role may require certifications and a strong understanding of safety standards and project management.

What engineers make $500,000?

Highly experienced engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. These roles typically require advanced skills, extensive experience, and sometimes leadership or executive responsibilities.

What are common interdisciplinary collaborations for Mechanical Engineers in a typical project setting?

Mechanical Engineers often work closely with professionals from other disciplines such as electrical engineers, software developers, and industrial designers, especially when developing complex products or machinery. Collaboration is essential for integrating mechanical systems with electronics and software, ensuring functionality, safety, and efficiency. These interactions usually involve regular team meetings, joint problem-solving sessions, and coordinated testing to achieve project goals. Being comfortable working in cross-functional teams can significantly enhance your success and contribute to innovative solutions.

Can you make $200,000 a year as a mechanical engineer?

Earning $200,000 annually as a mechanical engineer is possible but typically requires extensive experience, advanced skills, working in high-paying industries such as aerospace or energy, or holding senior management or specialized roles. Most mechanical engineers earn between $70,000 and $120,000, with top earners in certain sectors reaching higher salaries.

What Do Mechanical Engineers Do?

Mechanical Engineering is one of the broadest genres in the engineering industry. Specific job duties vary, depending on the kind of company and assigned project. In general, Mechanical Engineers spend their time researching, designing, developing, building, testing, and inspecting mechanical devices. These devices may include engines, tools, thermal sensors, and large machinery apparatus. On a daily basis, a Mechanical Engineer may spend time analyzing mechanical and thermal devices, troubleshooting problems, determining solutions, and completing repairs. They also develop and test technical and mechanical prototypes of new designs and devices. A Mechanical Engineer can also work on devices such as escalators, elevators, conveyor systems, and automated transfer stations.

What is the difference between Mechanical Engineer vs Mechanical Designer?

AspectMechanical EngineerMechanical Designer
Required CredentialsBachelor's degree in Mechanical Engineering, PE license (optional)Bachelor's degree in Mechanical Design, CAD certifications (often)
Work EnvironmentDesign, analysis, testing, project managementCreating detailed CAD models, drafting, and design documentation
Industry UsageEngineering firms, manufacturing, aerospace, automotiveProduct design, manufacturing, industrial equipment

Mechanical Engineers focus on designing, analyzing, and testing mechanical systems, often overseeing projects from conception to completion. Mechanical Designers primarily create detailed CAD models and drawings based on specifications. While both roles require technical skills and knowledge of mechanical systems, Mechanical Engineers typically have broader responsibilities including analysis and project management, whereas Mechanical Designers specialize in detailed design work.

What does a Mechanical Engineer do?

A Mechanical Engineer designs, develops, builds, and tests mechanical devices such as engines, machines, and tools. They use principles of physics and mathematics to solve engineering problems and improve existing products. Mechanical Engineers can work in a variety of industries, including automotive, aerospace, manufacturing, and energy. Their responsibilities often include creating blueprints, analyzing data, and collaborating with other engineers or professionals to ensure projects meet safety and quality standards.
More about Mechanical Engineer jobs
What are the most commonly searched types of Mechanical Engineer jobs in Romeoville, IL? The most popular types of Mechanical Engineer jobs in Romeoville, IL are:
What are popular job titles related to Mechanical Engineer jobs in Romeoville, IL? For Mechanical Engineer jobs in Romeoville, IL, the most frequently searched job titles are:
What job categories do people searching Mechanical Engineer jobs in Romeoville, IL look for? The top searched job categories for Mechanical Engineer jobs in Romeoville, IL are:
What cities near Romeoville, IL are hiring for Mechanical Engineer jobs? Cities near Romeoville, IL with the most Mechanical Engineer job openings:
Mechanical Engineer jobs near you
Infographic showing various Mechanical Engineer job openings in Romeoville, IL as of July 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $104,895 per year, or $50.4 per hour.
Mechanical Engineer

Mechanical Engineer

Milhouse Engineering and Construction, Inc.

Chicago, IL

$120K - $142K/yr

Full-time

Posted 4 days ago

Job description

The Mechanical Engineer III is a senior-level role responsible for leading and executing complex mechanical design and project management tasks across a diverse portfolio of projects. They work with minimal oversight, this position serves as both a technical leader and collaborative team member, providing expertise in HVAC and building systems design. 

Typical responsibilities include performing advanced HVAC design and load calculations, developing hydronic system layouts with flow and pressure calculations, and selecting and specifying mechanical equipment. Additional duties include designing fire protection systems, coordinating underground utilities, and producing high-quality specifications and construction documents. The Mechanical Engineer III ensures all designs meet applicable codes, standards, and client requirements while delivering innovative, cost-effective solutions. 

What you will do:

  • Lead or support mechanical engineering design for a variety of building projects with minimal oversight

  • Perform HVAC system load calculations, equipment sizing, and energy efficiency analysis

  • Design hydronic systems, perform flow and pressure calculations, and select appropriate pumps and piping configurations

  • Develop fire protection system layouts and coordinate with other disciplines for integration

  • Coordinate underground mechanical utilities with civil, structural, and other site-related work

  • Prepare detailed drawings, specifications, and construction documents using Revit and AutoCAD

  • Ensure all designs comply with applicable codes, standards, and project requirements

  • Review and approve mechanical engineering calculations, drawings, and specifications

  • Participate in multidisciplinary coordination meetings with architects, engineers, and contractors

  • Provide construction administration support, including reviewing submittals, responding to RFIs, and performing site visits

  • Mentor junior engineers and designers, providing technical guidance and quality review

  • Manage portions of projects including budgets, schedules, and deliverables

Who you are:

  • Four-year bachelor’s degree in mechanical engineering from an ABET accredited institution  

  • 6-8 years of experience in mechanical engineering required  

  • Licensed Professional Engineer (PE) preferred

  • Proficiency in HVAC and hydronic system design, calculations, and equipment selection

  • Knowledge of fire protection system design and underground utility coordination

  • Strong understanding of mechanical codes and standards (ASHRAE, NFPA, IMC, IPC)

  • Skilled in Revit and AutoCAD for MEP system modeling and documentation

  • Ability to develop detailed engineering specifications and construction documents

  • Experience with project management, including scope, schedule, and budget oversight

  • Strong multidisciplinary coordination skills with other engineering and architectural disciplines

  • Excellent problem-solving, attention to detail, and quality control abilities

  • Effective verbal and written communication skills for client and team interaction

  • Ability to mentor junior engineers and work independently with minimal supervision

     
     
     
     
     
     
     
     
     
At Milhouse, we’re more than just a place to work — we’re a place to grow, thrive, and be celebrated. Here’s how we invest in you:
  •  Medical, Dental & Vision Coverage – Reach out to learn how your deductible could be covered 100% through Garner Health! 
  •  Company Sponsored Life Insurance and Short-Term Disability – We’ve got your back when life takes unexpected turns. 
  •  Voluntary Coverages – Take control of your well-being with added coverage options. 
  •  Discounted Gym Membership – Stay active with wellness options that support your fitness goals. 
  •  Competitive Base Salary – Earn what you're worth in a performance-driven culture. 
  •  401(k) Retirement Plan – Build your future with confidence. 
  •  Professional Development Incentives – Get rewarded for growing your skills — including bonuses for earning your P.E. License. 
  •  Milhouse University (Cross-Functional Training) – Expand your expertise with internal training built to elevate your career and receive PDH credits for applicable training towards professional engineering licenses, etc.. 
  •  Employee Education & Development Program – Tuition assistance and learning opportunities to keep you moving forward. 
  •  Generous PTO + Paid Holidays – Rest, recharge, and enjoy the moments that matter most. 
  •  Paid Parental Leave – Bond with your new arrival — and yes, we’ll even cover a year of diapers! 
  •  Extracurricular Sports Teams – Join our summer Volleyball and Softball squads for fun off the clock. 
  •  Employee Recognition Program – Be celebrated for the impact you make. 
  •  Employee Referral Bonus – Bring great people on board and get paid for it. 
  •  Transit Benefits Program – Save on your daily commute. 
  •  Charitable Events and Activities offered through non-profit affiliate – Milhouse Charities.  
The actual base pay depends upon many factors, such as education, experience, and skills. The base pay range is subject to change and may be modified in the future.
 
While we provide a range, we'd love to hear from you if you are in or outside of this range as we are always looking to cater roles to the Talent we find!
#IND
Milhouse is a pay transparency non-discrimination organization committed to fostering an inclusive and equitable workplace. We ensure that all employees are compensated fairly and without bias, in accordance with applicable laws and regulations. In compliance with the Illinois Equal Pay Act, effective January 1, 2025, we include pay scales and benefits in all job postings and ensure that all promotion opportunities are communicated to current employees within 14 days of external postings. Additionally, we participate in E-Verify to confirm employment eligibility and uphold compliance with federal requirements.

Here's a little information on Milhouse Engineering and Construction, Inc.:

Milhouse Engineering and Construction, Inc. was founded in 2001 with the goal of building the best engineering company in the country. It was based on the belief that if we hired great people, fueled their passion while challenging them to excel, and maintained a laser focus on the needs of your clients, success would come- and so it has. Our portfolio of successful projects continues to grow, our family of highly satisfied clients continues to expand, and our staff just gets better and better.
 
We are a unique, Chicago-based firm whose collective passion, vision and expertise has led to phenomenal growth! With more than 500+ talented professionals and offices across the globe, Milhouse offers a dynamic work environment where there is no limit to what you can achieve if you are willing to go after it.
 
Our people are the cornerstone of our organization, and key to our success. Join a remarkably talented team that shares a passion for what they do and a vision for improving communities around the world through innovative engineering and construction. Click here to see who we are, and how our people drive our culture each & every day.
 
Click here to see all of our awards and how many times we've won Chicago’s 101 Best & Brightest Companies to Work For!

Important Notice to US Applicants
Milhouse Engineering and Construction, Inc. is an at-will employer.
We are an Equal Opportunity Employer.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.