Date Posted: 03/19/2026
Hiring Organization: Rose International
Position Number: 498608
Industry: Manufacturing
Job Title: Senior Mechanical Engineer (Engine Systems & Validation)
Job Location: Mossville, IL, USA, 61552
Work Model: Onsite
Shift: M-F 8am-4:30pm
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 10
Min Hourly Rate($): 45.00
Max Hourly Rate($): 46.00
Must Have Skills/Attributes: CAD, Mechanical Documentation, Microsoft
Experience Desired: Research, design, develop, manufacture, and test tools, engines, machines, and other mechanical devi (5 yrs); Prepare and deliver technical project summaries and final test results. (5 yrs)
Required Minimum Education: Bachelor’s Degree
Preferred Education: Master’s Degree
Job Description
Required Education
• Bachelor’s degree in Mechanical Engineering, Agricultural Engineering, Aerospace Engineering, or a related field is required.
• Master’s degree in the above fields is accepted in lieu of some experience.
o With a Bachelor’s: 8-10 years of full-time professional experience required.
o With a Master’s: 5+ years of full-time professional experience required.
• Strict Requirement: College projects, Master’s thesis projects, and internships are not counted toward professional experience. Candidates listing these as experience will be disqualified.
Technical Skills (Required)
• Design & Development: Demonstrated leadership in taking a product from design concept to production.
• CAD Proficiency: Fully proficient in Creo or Pro/E for modelling and detailing.
• Simulation: Experience with Simulation Led Design using tools like Ansys Toolkit, FEA, or CFD; ability to quickly iterate designs based on analytical results.
• Domain Expertise: Experience with engine combustion & emissions performance, engine calibration, and lab testing.
• Software: Fully proficient with the Microsoft Office Suite (Word, Excel, PowerPoint, Outlook, Teams).
• Project Management: Ability to define, prioritize, and execute tasks according to project goals.
Soft Skills (Required)
• Demonstrated ability to work as an independent worker and independent thinker.
• Outstanding analytical and organizational skills.
• Detail oriented with a creative problem-solving ability.
• Ability to work in a team environment.
• Displays attributes of a critical thinker and leverages innovative ideas.
• Strong leadership and mentoring skills to provide support and constructive feedback.
Responsibilities
• Research, design, develop, manufacture, and test tools, engines, machines, and other mechanical devices.
• Translate technical requirements into detailed test plans, including instrumentation requirements, and execute those plans.
• Work with a team of design engineers and team leads to plan and execute engine component validation plans.
• Prepare and deliver technical project summaries and final test results.
• Prepare concept, design, development, and feasibility studies of complex engineering projects; work with suppliers to develop design concepts.
• Prepare development plans and take accountability for meeting scheduled dates.
• Conduct technical evaluations of major systems on competitive products.
• Coordinate product tests with prove design and prototype build-up and test areas.
• Evaluate, define, and resolve design and manufacturing problems.
• Interface with Test and Evaluation, Service, Plant personnel, suppliers, and consultants for problem resolution.
• Research and analyze customer design proposals, specifications, and manuals to determine time and cost feasibility.
• Investigate equipment failures and difficulties to diagnose faulty operation and make recommendations to maintenance crew.
• Oversee installation, operation, maintenance, and repair to ensure functionality according to specifications.
• Implement operating procedures, resolve system malfunctions, and provide technical information.
• Keep abreast of latest technological advancements and develop unique product design features.
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
I had a very positive experience working for Rose. The entire process is very efficient and easy.
Joanne, Consultant
Your team at Rose International is always very helpful and responsive.
Barbara, Consultant
My on-boarding with Rose was outstanding. The packets of information, the process, and great attention to detail each person gave me allowed me to get started quickly.I appreciated each person's friendly and helpful attitude.
Diana, Consultant
It is a great pleasure being a part of the Rose International Team.
Toni, Consultant
I am very happy with the Rose International, and the professionalism of the employees.
Robin, Consultant
EMPLOYEE COMMENTS