Senior Mechanical Engineer

Simplexity Product Development; Bellevue (KY); On-site; USD 140,000 - 160,000; Full time

Benefits offered by this job

Healthcare plan

401(k) plan with match

Paid holidays

PTO 3 weeks

Job summary

Simplexity Product Development is seeking a hands-on senior mechanical engineer to be embedded with our client in Bellevue, WA on a robotics project. You will apply FEA (preferably ANSYS) to optimize actuator designs and deliver release‑quality documentation.

Ideal candidates have 8+ years in mechanical engineering, strong GD&T and manufacturing knowledge, and experience with actuators/drivetrains. On‑site collaboration with suppliers and stakeholders is essential.

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering or related field.
• 8+ years of applicable experience including at least 2 years of FEA.
• Proficient with ANSYS or other FEA software and SolidWorks CAD.
• Knowledge of manufacturing processes and high‑volume production methods.
• Experience with actuators or drivetrain solutions and GD&T (ASME Y14.5).
• Hands‑on testing, root‑cause analysis, and client discussions while hands‑on.

Responsibilities

• Review, analyze, and optimize actuator designs for cost, ease of assembly, and reliability.
• Perform structural finite element analyses and related studies.
• Define tests, diagnose failures, and iterate to working hardware.
• Present design tradeoffs and project status to client stakeholders.
• Improve manufacturing performance and reduce risk using structured methods.
• Coordinate interfaces with suppliers and contract manufacturers.
• Maintain and update drawings and Bills of Materials.
• Engage with evolving client needs over a long‑term engagement.

Skills

Ownership mindset

Client communication

Hands-on troubleshooting

Education

Bachelor’s or Master’s in Mechanical Engineering

Tools

ANSYS

SolidWorks

Job description

Why join Simplexity Product Development?

You’ll solve challenging manufacturing and hardware-quality problems involving integrated mechanical, electrical, sensing, actuation, and control systems. Our collaborative teams value meaningful work, technical growth, and sustainable work-life balance.

POSITION DESCRIPTION

Simplexity is seeking a hands-on senior mechanical engineer to work embedded with our team at our client’s site in Bellevue, WA on a cutting-edge robotics product. You should be skilled in finite element analysis (FEA), ideally using ANSYS, and be able to communicate tradeoffs that affect designs based on modeling results. This position will include making design updates to subsystems to optimize them for manufacturing and creating release-quality documentation.

JOB DUTIES

• Review, analyze, and optimize preliminary actuator designs for manufacturing, lower cost, ease of assembly, and strong reliability.
• Perform structural finite element analysis or other relevant analyses.
• Define tests, diagnose failures, perform root‑cause analysis, and iterate rapidly to working hardware.
• Present design tradeoffs, technical risks, decisions, and project status directly to client stakeholders.
• Use structured quality and problem‑solving methods to improve manufacturing performance and reduce field and safety risk.
• Coordinate mechanical interfaces with suppliers and contract manufacturing partners.
• Manage and update part and assembly drawings and Bills of Materials.
• Respond to evolving client needs over a long‑term engagement.

QUALIFICATIONS

• Bachelor’s or master’s degree in Mechanical Engineering or a related engineering discipline.
• 8+ years of applicable experience, including at least 2 years of finite element analysis (FEA).
• Have an ownership mindset and deliver on project goals by figuring out your task list and holding yourself accountable to meeting a fast‑paced schedule.
• Proficient knowledge of ANSYS (highly preferred) or FEA software.
• Proficient knowledge of SolidWorks (highly preferred) or equivalent CAD package.
• Demonstrable knowledge of manufacturing processes and high‑volume production methods – injection molding, casting, sheet metal, machining, etc.
• Experience developing custom actuator or drivetrain solutions, ideally with external vendors.
• Strong GD&T (ASME Y14.5), tolerance analysis, and DFM/DFA
• Hands‑on testing, troubleshooting, and root‑cause analysis experience.
• Experience having technical discussions with clients or demanding external stakeholders while remaining a hands‑on individual contributor.
• Strong understanding of actuators, gear trains, and transmissions.
• Positive, client‑focused style and a commitment to ethical conduct.
• Ability to work full‑time on‑site in Bellevue, WA at Simplexity’s client site.

PLUSES TO HAVE

Experience in any of the following areas is a strong plus:

• Performing torque‑speed, duty‑cycle, inertia, efficiency, life, force, energy, vibration, or thermal analyses.
• Experience designing test fixtures, test instruments, or automated mechanical test equipment.
• Experience using SolidWorks PDM to manage CAD files.

COMPENSATION AND BENEFITS

• Base salary range: $140K - $160K, depending on years of experience and skill sets
• Excellent Healthcare plan (Medical, Dental, and Vision) fully paid for by the company for the employee; partial payment for dependents
• 401(k) plan with company match
• Long‑term and short‑term disability, AD&D and Life Insurance
• Paid maternity/new parent leave
• 11 Paid holidays
• 3 weeks of paid time off (PTO) per year, increasing after 2, 5, and 9 years of service

1099 contractors who have their own registered consulting/contracting business will also be considered:

• Hourly rate $100- $125/hr, depending on experience
• No benefits, holidays, or paid time off (PTO) included

No recruiters please.

Simplexity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Diverse candidates are encouraged to apply.

Please be advised that Simplexity Product Development will never ask you to respond to a non‑SimplexityPD domain such as a gmail, ymail, hotmail, etc. If you suspect that you have been contacted by someone impersonating Simplexity Product Development who is using a fraudulent email address, please do not reply. If you are not sure, please fill out a contact form at https://www.simplexitypd.com/contact/ to report the incident.