Mechanical Engineer

Job Description: Mechanical Test Engineer

We are seeking a Mechanical Test Engineer to support the testing and validation of motors and motor-driven systems, which will ultimately drive large linear actuators used in aerospace and military applications. This role focuses on motor testing, fixture design, and dynamometer testing, ensuring motors perform as expected before being integrated into higher-level assemblies. The engineer will design and build test stands, assemble fixtures, execute tests, and document results, working closely with Electrical Engineers.

Responsibilities

• Design and build motor test fixtures and test stands.

• Perform motor and motor-controller testing.

• Support dynamometer testing in high-speed and high-load applications.

• Apply GD&T to fixtures and convert 3D CAD models into detailed 2D manufacturing drawings.

• Conduct motor and mechanical analysis.

• Validate designs through testing and troubleshooting.

• Design and implement safety mechanisms, including safety shielding and emergency stop systems.

• Document test setups, results, and findings.

• Support multiple test programs simultaneously.

Job Type & Location

This is a Contract position based out of Niles, IL.

Pay and Benefits

The pay range for this position is $45.00 - $60.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Niles,IL.

Application Deadline

This position is anticipated to close on May 28, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.