Senior Mechanical Engineer

Job Title: Sr Mechanical Engineer Job Description We are seeking a hands-on Sr Mechanical Engineer to advance cutting-edge robotics hardware in a full-time, on-site role in Bellevue, WA. You will connect detailed simulation work with real-world engineering by using finite element analysis to guide design decisions, drive improvements from modeling through testing, and produce release-quality documentation. In this position, you will collaborate closely with stakeholders, suppliers, and manufacturing partners to optimize designs for manufacturability, cost, assembly, reliability, and overall performance. Responsibilities

- Perform structural and thermal finite element analyses, translating modeling results into clear design recommendations, tradeoffs, and engineering decisions.
- Provide design-for-X feedback, including design for manufacturing and design for assembly, to inform and improve mechanical designs.
- Leverage prior experience working with motors and actuators to influence design choices and system performance.
- Define test plans, execute tests, investigate hardware failures, identify root causes, and iterate rapidly toward robust, working hardware.
- Present design tradeoffs, technical risks, engineering decisions, and project progress directly to stakeholders in a clear and professional manner.
- Apply structured quality and problem-solving methods to improve manufacturing performance and reduce field issues and safety risks.
- Collaborate with suppliers and contract manufacturing partners to implement design recommendations and support production readiness.
- Create and maintain detailed part and assembly drawings, with particular attention to features and tolerances that are critical to function.
- Adapt to evolving project priorities while consistently delivering on engineering goals throughout a long-term engagement.
- Demonstrate an ownership mindset by identifying needed work, managing priorities, and meeting commitments within a fast-paced schedule.

Essential Skills

- Minimum of 2 years of experience performing finite element analysis (FEA).
- At least 8 years of applicable mechanical engineering experience.
- Bachelors or masters degree in Mechanical Engineering or a related engineering discipline.
- Proficiency with FEA software, with ANSYS strongly preferred.
- Proficiency with a mechanical CAD package, with SolidWorks strongly preferred.
- Ability to work full-time on-site in Bellevue, WA.
- Experience applying FEA results to guide design decisions and communicate tradeoffs.
- Strong capability to create and interpret mechanical drawings and specifications.
- Demonstrated ownership mindset, including self-directed work planning and accountability in a fast-paced environment.
- Positive, client-focused approach and a strong commitment to ethical conduct.
- Experience working with motors and actuators in mechanical systems.

Additional Skills & Qualifications

- Experience using SolidWorks PDM or similar systems to manage CAD files and revisions.
- Practical knowledge of manufacturing processes and high-volume production methods, including injection molding, casting, sheet metal fabrication, and machining.
- Understanding of actuators, gear trains, and transmissions, including their application in robotics or complex mechanical systems.
- Strong skills in tolerance analysis and design for manufacturing and assembly (DFM/DFA).
- Hands-on experience with testing, troubleshooting, and root-cause analysis of mechanical hardware.
- Experience navigating technical discussions with clients or demanding external stakeholders while remaining a hands-on individual contributor.
- Experience performing torque-speed, duty-cycle, inertia, efficiency, life, force, energy, vibration, or thermal analyses.
- Ability to clearly communicate complex technical information to both technical and non-technical audiences.

Work Environment This is a full-time, on-site role based at a client facility in Bellevue, WA. You will work closely with cross-functional engineering teams, suppliers, and manufacturing partners in a collaborative, fast-paced environment focused on advancing robotics hardware. The setting supports hands-on engineering, including testing and interaction with physical hardware, alongside extensive use of simulation and CAD tools such as ANSYS and SolidWorks. Parking is covered, and you will be expected to be present on-site during standard working hours to engage directly with stakeholders and project teams.
Job Type & Location
This is a Contract to Hire position based out of Bellevue, WA.
Pay and Benefits
The pay range for this position is $65.00 - $75.00/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 Bellevue, WA.
Application Deadline
This position is anticipated to close on Nov 6, 2026.
Workplace Type
This is a fully onsite position in Bellevue,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.