Mechanical Systems Engineer

Job Title: Mechanical Systems Engineer Job Description
As a Mechanical Systems Engineer, you will be responsible for solving complex problems from start to finish, including design, build, test, iteration, and scaling. You will design and build mechanical and electro-mechanical systems that support ongoing development and field deployments. Your role involves working across disciplinary boundaries, simplifying processes aggressively, scaling effective solutions, and supporting field deployments.
Responsibilities
- Solve problems from first-principles reasoning through design, build, test, iteration, and scale-up.
- Design and build mechanical and electro-mechanical systems.
- Work across mechanical assemblies, sensors, controllers, heaters, and other components.
- Simplify processes to meet cost requirements.
- Translate benchtop and modeling results into scalable field systems.
- Travel for building and commissioning test systems, and for customer/vendor site visits.
Essential Skills
- Proficiency in mechanical systems, electrical systems, and R&D engineering.
- Experience in prototype and systems engineering.
- BS/MS in mechanical or electrical engineering or related field, or equivalent practical experience.
- Demonstrated end-to-end problem solving capabilities.
- Strong foundation in physical sciences, including heat transfer, fluid mechanics, mechanics of materials, and electrical circuits.
- Fluency with engineering calculations and quantitative sanity checking.
- Comfort with mechanical design/CAD, electrical component selection, sensors/instrumentation, data acquisition, troubleshooting, and experimental work.
Additional Skills & Qualifications
- Enjoyment in building things, demonstrated through past projects or personal side projects.
- Experience in industrial process environments.
- Ability to work hands-on in both lab and outdoor field environments.
Work Environment
The role requires working in both laboratory and outdoor field environments. Flexibility to travel as needed for site visits and deployments is essential. The ability to work hands-on and adapt to changing paths based on test results is crucial. The environment encourages rapid learning and practical utility with a focus on cost-effectiveness.
Job Type & Location
This is a Contract to Hire position based out of Woodinville, WA.
Pay and Benefits
The pay range for this position is $80.00 - $80.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. 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)
Job Type & Location
This is a Contract to Hire position based out of Woodinville, WA.
Application Deadline
This position is anticipated to close on Oct 27, 2026.
Workplace Type
This is a fully onsite position in Woodinville,WA. 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 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

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 [email protected] 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.