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Contract Mechanical Engineer Jobs in Rochelle, IL

What We Look For In a Mechanical Engineering Tutor * Advanced Subject Mastery: Deep knowledge of ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Manufacturing Engineer

Oregon, IL · On-site

$68K - $88K/yr

Reviews customer contract quality requirements to ensure our company's compliance and assists in ... A Bachelor's Degree in Industrial Management, Industrial/Manufacturing Engineering, or Mechanical ...

Manufacturing Engineer

Oregon, IL · On-site

$69K - $104K/yr

Reviews customer contract quality requirements to ensure our company's compliance and assists in ... A Bachelor's Degree in Industrial Management, Industrial/Manufacturing Engineering, or Mechanical ...

Manufacturing Engineer

Oregon, IL · On-site

$68K - $88K/yr

Reviews customer contract quality requirements to ensure our company's compliance and assists in ... A Bachelor's Degree in Industrial Management, Industrial/Manufacturing Engineering, or Mechanical ...

Review customer contract quality requirements and ensure company compliance with those standards ... Bachelor's degree in Industrial Management, Industrial/Manufacturing Engineering, or Mechanical ...

Trains and supervises mechanics, electricians, plumbers and other skilled trades * Offers sound ... Negotiates and oversees contract work * Authorizes, delegates and follows-up with maintenance work ...

Specific duties include, but are not limited to, contract administration, schedule management ... Bachelor's degree in construction management, Civil Engineering, Mechanical Engineering, Electrical ...

Specific duties include, but are not limited to, contract administration, schedule management ... Bachelor's degree in construction management, Civil Engineering, Mechanical Engineering, Electrical ...

Design EOAT and mechanical components using CAD and rapid prototyping tools * Configure, test, and ... S. citizenship is required for this position due to federal contract requirements, clientsite ...

Design EOAT and mechanical components using CAD and rapid prototyping tools * Configure, test, and ... S. citizenship is required for this position due to federal contract requirements, client-site ...

... materials, fluid mechanics, hydraulics, geotechnical engineering, structural analysis ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... blueprints, engineering drawings, and assembly layouts * Fit, align, and install mechanical ... Job Type & Location This is a Contract to Hire position based out of Rockford, IL. Pay and Benefits ...

... blueprints, engineering drawings, and assembly layouts * Fit, align, and install mechanical ... Job Type & Location This is a Contract to Hire position based out of Rockford, IL. Pay and Benefits ...

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Showing results 1-20

Contract Mechanical Engineer information

See Rochelle, IL salary details

$44.2K

$100K

$161.9K

How much do contract mechanical engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for contract mechanical engineer in Rochelle, IL is $100,039.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,200.00 and $123,000.00 per year, depending on experience, location, and employer.

What is a contract mechanical engineer?

Contract Mechanical Engineers are professionals who design, develop, and test mechanical devices and systems, but work on a contractual basis rather than as permanent employees. They may be hired for specific projects or periods by companies needing specialized expertise. Their responsibilities can include creating technical drawings, overseeing manufacturing processes, and ensuring products meet quality standards. Contract roles offer flexibility and variety in work, but may not provide the same benefits or job security as permanent positions.

What does a contract mechanical engineer do?

Contract mechanical engineers are independent contractors who work directly with their own clients on projects. You find these professionals in a broad range of industries, including robotics, medical devices, and manufacturing. As a contract mechanical engineer, you design a product or machine according to your client's specifications, analyze the blueprints to ensure they are accurate, test a model to identify any potential issues, and repair them as necessary. Your job duties typically involve the extensive usage of specialized computer programs, such as CAD for technical drawings. Depending on the project, you may collaborate with other engineers on different aspects of the plans to ensure they do not conflict with other parts of the project.

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

To thrive as a Contract Mechanical Engineer, you need a solid background in mechanical engineering principles, problem-solving abilities, and a relevant engineering degree, often complemented by a Professional Engineer (PE) license. Familiarity with CAD software (such as SolidWorks or AutoCAD), finite element analysis tools, and project management systems is typically required. Strong communication, adaptability, and time management skills help you excel in diverse project environments and collaborate effectively with clients and teams. These skills and qualities are crucial for delivering high-quality engineering solutions on time and within budget in a contract-based setting.

What are some common challenges faced by contract mechanical engineers when working on short-term projects?

Contract Mechanical Engineers often need to quickly adapt to new team dynamics and project requirements, as short-term assignments can vary widely in scope, tools, and expectations. They may face challenges such as limited onboarding time, integrating with established teams, and managing multiple projects simultaneously. Strong communication and organizational skills are essential to succeed, as contract engineers must rapidly build rapport with colleagues and deliver results within tight deadlines. Additionally, proactively seeking feedback and clarifying project goals early can help navigate these challenges and ensure project success.

What is the difference between Contract Mechanical Engineer vs Contract Mechanical Designer?

AspectContract Mechanical EngineerContract Mechanical Designer
CredentialsBachelor's degree in Mechanical Engineering, possibly PE licenseBachelor's degree in Mechanical Design, CAD certifications often preferred
Work EnvironmentEngineering firms, manufacturing, product developmentDesign studios, manufacturing, product development
Employer & Industry UsageUsed across engineering and manufacturing sectorsCommon in design and product development sectors
Common Search & ComparisonOften compared for engineering roles involving analysis and designCompared for roles focused on detailed design and CAD work

Contract Mechanical Engineers focus on designing, analyzing, and testing mechanical systems, requiring engineering credentials. Contract Mechanical Designers primarily work on creating detailed CAD models and drawings, often with design certifications. Both roles are vital in manufacturing and product development, but they differ in scope and responsibilities.

What are the most commonly searched types of Mechanical Engineer jobs in Rochelle, IL?

The most popular types of Mechanical Engineer jobs in Rochelle, IL are:

What cities near Rochelle, IL are hiring for Contract Mechanical Engineer jobs?

Cities near Rochelle, IL with the most Contract Mechanical Engineer job openings:

Senior Mechanical Test Equipment Engineer (Onsite)

Collins Aerospace

Rockford, IL

$104K - $138K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago


Collins Aerospace rating

8.4

Company rating: 8.4 out of 10

Based on 251 frontline employees who took The Breakroom Quiz

32nd of 72 rated aerospace companies


Job description

Date Posted:

2026-08-12

Country:

United States of America

Location:

US-IL-ROCKFORD-P1 ~ 2421 11th St ~ 2421 11TH ST-P1

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. 

We are seeking a Senior Mechanical Test Equipment Engineer with a proven track record of designing, developing, and delivering advanced test equipment for complex mechanical power systems. The ideal candidate is an innovative engineering leader who thrives on solving challenging technical problems and driving projects from concept through design, build, validation, and commissioning. This individual will possess expertise in mechanical, hydraulic, thermodynamic, and power transmission systems, along with the ability to analyze test data, optimize equipment performance, and implement continuous improvement initiatives. Success in this role requires strong collaboration across engineering, manufacturing, quality, and operations teams, exceptional project ownership, and a commitment to delivering reliable, cost-effective test solutions that support mission-critical military and commercial power conversion products. 

What You Will Do  

  • Design and develop test equipment and systems for the Mechanical Power Conversion (MPC) suite of mechanical power generation, transmission, and distribution products supporting both military and commercial applications. 

  • Research, plan, design, and develop mechanical, thermodynamic, hydraulic, and power transmission test equipment for engineering, qualification, and production testing of engine- and aircraft-mounted gearboxes, air turbine starters, main fuel pumps, integrated fuel pumps, and lube and scavenge pumps. 

  • Prepare and maintain detailed engineering drawings, schematics, diagrams, specifications, and technical documentation for test equipment designs. 

  • Lead all phases of test equipment development, including fabrication, assembly, checkout, verification, validation, commissioning, and system acceptance. 

  • Review and analyze test results against equipment design requirements, rated specifications, and test objectives, and recommend modifications or design improvements to achieve performance targets. 

  • Develop performance, maintenance, calibration, and operational requirements for test stands and associated equipment. 

  • Lead and participate in peer reviews of test equipment specifications, designs, concepts, components, and integrated systems. 

  • Collaborate independently and across cross-functional teams, including Product Engineering, Program Management, Quality, Manufacturing Engineering, and Operations, to ensure successful project execution. 

  • Partner with the Quality Clinic and related departments to investigate field issues, support root cause analysis, and ensure product quality and reliability. 

  • Deliver projects on schedule, within budget, and in compliance with quality standards, engineering specifications, contractual requirements, and regulatory guidelines. 

  • Develop confidential proposals for test equipment and facility infrastructure projects, including scope, schedules, budgets, design, construction, and installation plans. 

  • Research, evaluate, analyze, and qualify improvements to machines, components, subsystems, manufacturing processes, test methods, and overall system designs. 

  • Apply Lean Manufacturing principles and continuous improvement methodologies to manufacturing, testing, and transactional processes to enhance product quality, increase test efficiency, and reduce operational waste. 

 
Qualifications You Must Have  

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience or in absence of a degree, 9 years of relevant experience. 

 
Qualifications We Prefer 

  • Experience designing mechanical rotating equipment and related systems. 

  • Experience designing hydraulic and fluid power circuits. 

  • Proficiency with AutoCAD, preferably for 2D drafting and detailing. 

  • Experience using Siemens NX for 3D CAD modeling; experience with SolidWorks is also desirable. 

  • Strong understanding of mechanical system design, engineering drawings, and GD&T principles. 

  • Ability to troubleshoot, analyze, and optimize complex mechanical and test equipment systems. 

  • Experience supporting the design, validation, or commissioning of engineering test equipment is highly preferred. 

What We Offer 

Some of our competitive benefits package includes:    

  • Medical, dental, and vision insurance   

  • Three weeks of vacation for newly hired employees   

  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option   

  • Tuition reimbursement program  

  • Student Loan Repayment Program   

  • Life insurance and disability coverage   

  • Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection  

  • Birth, adoption, parental leave benefits  

  • Ovia Health, fertility, and family planning   

  • Adoption Assistance            

  • Autism Benefit   

  • Employee Assistance Plan, including up to 10 free counseling sessions   

  • Healthy You Incentives, wellness rewards program  

  • Doctor on Demand, virtual doctor visits   

  • Bright Horizons, child and elder care services  

  • Teladoc Medical Experts, second opinion program   

  • And more!   

Learn More & Apply Now! 

We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in-flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight!  

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.  

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

At Collins, the paths we pave together lead to limitless possibilities. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.    

Apply now and be part of the team that’s redefining aerospace, every day.   

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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About Collins Aerospace

Sourced by ZipRecruiter

Collins Aerospace, a Raytheon Technologies company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

2018