Senior Mechanical Engineer

Socket.dev; Bellevue (WA); On-site; USD 140,000 - 160,000; Full time

Benefits offered by this job

Healthcare plan (Medical, Dental, and

Vision coverage

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

Paid time off (PTO)

Job summary

Simplexity Product Development seeks a hands-on senior mechanical engineer to join the client-site team in Bellevue, WA. You will leverage FEA (preferably ANSYS) and SolidWorks to optimize actuator designs for manufacturing and reliability, delivering release-quality documentation and design updates.

You will review, analyze, and iterate designs, communicate tradeoffs to stakeholders, and drive improvements across subsystems for scalable production on a long-term engagement.

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.
• Ownership mindset with fast-paced schedule accountability.
• Proficient knowledge of ANSYS (highly preferred) or FEA software.
• Proficient knowledge of SolidWorks (highly preferred) or CAD.
• Experience with manufacturing processes and high-volume production methods.
• Experience with actuators or drivetrain solutions and external vendors.
• Strong GD&T, tolerance analysis, and DFM/DFA.
• Hands-on testing and root-cause analysis experience.
• Experience discussing technical matters with clients and external stakeholders.

Responsibilities

• Review, analyze, and optimize actuator designs for manufacturing, cost, and reliability.
• Perform structural finite element analysis or related analyses.
• Define tests, diagnose failures, and iterate to working hardware.
• Present design tradeoffs and risks to client stakeholders.
• Improve manufacturing performance and reduce risk using structured problem-solving methods.
• Coordinate mechanical interfaces with suppliers and contract manufacturers.
• Manage and update drawings and Bills of Materials.
• Respond to evolving client needs over long-term engagements.

Skills

FEA

ANSYS

SolidWorks

GD&T

DFM/DFX

Manufacturing

Root-cause analysis

Education

Bachelor’s or Master’s in Mechanical Engineering

Tools

SolidWorks

Job description

Simplifying the Complex. Simplexity is a product development engineering firm that helps leading technology companies bring advanced robotic and automation systems into reliable, scalable production. We reduce cost, improve quality, and strengthen manufacturing readiness for our clients.

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

• 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 athttps://www.simplexitypd.com/contact/ to report the incident.