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Mechanical System Engineer Jobs in Romeoville, IL

The Mechanical Engineer will provide, revise or extend mechanical systems for new construction and/or renovation of industrial, commercial, or institutional structures as requested by the client. The ...

Mechanical Engineer

Chicago, IL · On-site

$95K - $120K/yr

The Mechanical Engineer will provide, revise or extend mechanical systems for new construction and/or renovation of industrial, commercial, or institutional structures as requested by the client. The ...

We are looking for a Senior Engineer to join our team of experts working on critical modifications to nuclear power generation facilities and plant mechanical system designs for leading energy ...

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

... systems, facilities, commuter stations, and Metra's headquarters. Prepare design packages ... Must have Bachelor's degree in Mechanical Engineering. * In addition to #1, must have five (5) ...

Mechanical Engineer

Chicago, IL · On-site

$78K - $110K/yr

Chicago, IL Position Summary As a Senior Mechanical Engineer, you will be responsible for leading design of mechanical systems for buildings across a variety of sectors including Higher Education ...

Showing results 41-60

Mechanical System Engineer information

See Romeoville, IL salary details

$64.7K

$112.5K

$155K

How much do mechanical system engineer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for mechanical system engineer in Romeoville, IL is $112,468.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,100.00 and $134,100.00 per year, depending on experience, location, and employer.

What is the difference between Mechanical System Engineer vs Mechanical Design Engineer?

AspectMechanical System EngineerMechanical Design Engineer
Primary FocusDeveloping and integrating mechanical systems within larger projectsCreating detailed mechanical component and product designs
Work EnvironmentSystems integration, testing, and validation in manufacturing or engineering firmsDesign studios, CAD modeling, and prototype development
Required CredentialsBachelor's in Mechanical Engineering, relevant certificationsBachelor's in Mechanical Engineering, CAD certifications

Mechanical System Engineers focus on integrating and managing entire mechanical systems, while Mechanical Design Engineers concentrate on designing specific components. Both roles often collaborate but serve different stages of product development and system integration.

What are the key skills and qualifications needed to thrive as a mechanical system engineer, and why are they important?

To thrive as a Mechanical System Engineer, you need a solid background in mechanical engineering principles, system design, and problem-solving, typically supported by a bachelor's degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and industry certifications like PE (Professional Engineer) are often required. Strong analytical thinking, teamwork, and effective communication skills help distinguish top performers in this role. These skills ensure efficient design, implementation, and maintenance of complex mechanical systems, leading to reliable project outcomes and innovation.

What does a mechanical system engineer do?

A Mechanical System Engineer designs, develops, and oversees the installation and maintenance of complex mechanical systems in various industries. Their work often involves integrating mechanical components with electrical and software systems to ensure the overall functionality and efficiency of machines or equipment. They may be responsible for tasks such as performing simulations, analyzing system performance, troubleshooting issues, and collaborating with multidisciplinary teams. Mechanical System Engineers play a critical role in industries like automotive, aerospace, manufacturing, and energy. Their expertise ensures that mechanical systems operate safely, reliably, and efficiently.

What are some common challenges mechanical system engineers face when working on multidisciplinary projects?

Mechanical System Engineers often collaborate closely with electrical, software, and civil engineers on multidisciplinary projects. A common challenge is ensuring effective communication between teams, as each discipline may use different technical language and have varying priorities. Managing integration issues and aligning timelines across departments can also be demanding. To overcome these challenges, Mechanical System Engineers typically participate in regular cross-functional meetings and use collaborative project management tools to ensure alignment and successful project delivery.

What are popular job titles related to Mechanical System Engineer jobs in Romeoville, IL?

For Mechanical System Engineer jobs in Romeoville, IL, the most frequently searched job titles are:

What job categories do people searching Mechanical System Engineer jobs in Romeoville, IL look for?

The top searched job categories for Mechanical System Engineer jobs in Romeoville, IL are:

What cities near Romeoville, IL are hiring for Mechanical System Engineer jobs?

Cities near Romeoville, IL with the most Mechanical System Engineer job openings:

Infographic showing various Mechanical System Engineer job openings in Romeoville, IL as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 15% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $112,468 per year, or $54.1 per hour.

$95K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago


Job description

Job Description:

General Summary:

The Mechanical Engineer will provide, revise or extend mechanical systems for new construction and/or renovation of industrial, commercial, or institutional structures as requested by the client. The Mechanical Engineer will develop construction drawings and specifications which address the installation, integration, interconnection and control of mechanical components within the standard building codes.

Essential Job Functions:

  • Review and/or establish project scope, mechanical budget, necessary constraints and design approach with Project Manager and/or client
  • Proper communication skills to be involved in design team / owner meetings and communicate directly with the owner and / or owner's representative
  • Prepare feasibility studies and project cost estimates
  • Maintain working knowledge of latest building and codes used in the industry
  • Formulate and lead design of mechanical systems including HVAC, piping, plumbing, and fire protection
  • Perform and/or review calculations and building energy models; formulate design of mechanical systems including HVAC, piping, plumbing, and fire protection
  • Create engineering documents using computer aided design (CAD) technology utilizing Autodesk (Revit and AutoCAD) and/or Bentley CAD software (2D and 3D applications) or manually with support from more junior staff
  • Edit or draft project specifications
  • Conduct field measuring and checking at the construction site
  • Review drawings for omissions, errors, interferences, overall quality, content accuracy, compliance with standards and codes
  • Review product submittals for design content, specify action to be taken to reach specification compliance
  • Maintain organized project file containing project calculations, correspondence, appropriate reference materials, etc.
  • Assist with checking, standards review, and maintenance of master specifications
  • Develop and mentor less experienced staff
  • Perform related duties as assigned

Employment Qualifications:

Education:

  • Bachelor's degree in Mechanical Engineering, Architectural Engineering, or related field required
  • Professional Registration
  • LEED accredited professional preferred

Experience:

  • 5-14 years of related experience in mechanical engineering (HVAC/building systems)

Skills/Competencies:

  • Proficiency with Revit and AutoCAD, Trane Trace 700 or other building energy calculation software, and Bluebeam
  • Knowledge in ProjectWise BIM360 and Carrier HAP a bonus
  • Excellent written and verbal communication
  • Strong attention to detail

Benefits:

At Ghafari, we offer a robust benefits package designed to support your overall wellbeing. In addition to a competitive salary, eligible employees receive Medical, Dental, Vision, Life Insurance, Short-Term & Long-Term Disability, 401(k) match, Flexible Spending Accounts, Health Savings Accounts, Teladoc, Employee Assistance Program, Professional License Reimbursement, Educational Assistance, Voluntary Pet Insurance, Parental Leave, Paid Time Off, and 8 Paid Holidays. The annual base salary range for this position is $95,000.00 to $120,000.00. Individual pay is based on factors such as relevant experience, job-related skills, education, and training.

About Us


At Ghafari Associates, we don't just design buildings-we help shape the future of the industries we serve. As a global leader in architecture, engineering, and consulting, we partner with clients to deliver forward-thinking solutions that transform how people work, manufacture, and connect.


Our strength lies in our people. We bring together curious minds, technical experts, and creative problem-solvers who thrive on collaboration and innovation. Whether supporting major industrial programs or advancing federal and commercial projects, our teams are empowered to make a meaningful impact-both for our clients and within our communities.


We are committed to investing in our employees' financial, physical, and emotional well-being, as well as their professional growth. Through robust training, licensure support, internships, mentorships, and tuition reimbursement, we provide the resources our people need to build rewarding careers while making a lasting difference in the communities we are proud to call home.


Ghafari Associates is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state or local laws. As a federal contractor, Ghafari Associates maintains affirmative action programs for individuals with disabilities and protected veterans in accordance with applicable laws.


Pay Transparency


Ghafari Associates will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.


Accommodation


Ghafari Associates is also committed to providing reasonable accommodation to individuals with disabilities in the employment application process. If you need an accommodation due to a disability to use our online system to apply for a position, you may also apply for positions in the following ways:

  • By fax at: 313.436.8624, Attn: Human Resources
  • By mail at: 17101 Michigan Ave., Dearborn, MI 48126, Attn: Human Resources
  • In person at: 17101 Michigan Ave., Dearborn, MI 48126
  • By email at: hr@ghafari.com

If there are any questions about the accommodations offered above, please contact 313.441.3000 for assistance.