Senior Mechanical Engineer

Simplexity Product Development, Inc.; Washington (District of Columbia); On-site; USD 140,000 - 160,000; Full time

Benefits offered by this job

Healthcare plan

401(k) with company match

Paid time off

Paid holidays

Contractor opportunities

Job summary

Simplexity Product Development, Inc. is seeking a hands-on Senior Mechanical Engineer to join our client‑facing team in Bellevue, WA on a cutting‑edge robotics product. You will be skilled in FEA (ideally ANSYS) and communicate tradeoffs based on modeling results.

The role includes making design updates for manufacturability and creating release‑quality documentation, with a long‑term engagement and collaboration with client stakeholders.

Qualifications

• 8+ years of mechanical engineering experience with at least 2 years in FEA.
• Proficiency in ANSYS or similar FEA software and SolidWorks CAD.
• Ability to work on-site in Bellevue, WA with client teams.

Responsibilities

• Review, analyze, and optimize actuator designs for manufacturability and reliability.
• Perform structural finite element analyses.
• Define tests, diagnose failures, and iterate to working hardware.
• Present design tradeoffs and risks to client stakeholders.
• Improve manufacturing performance and reduce field and safety risk.
• Coordinate mechanical interfaces with suppliers and contract manufacturers.
• Maintain and update part drawings and Bills of Materials.
• Respond to evolving client needs over a long-term engagement.

Skills

FEA

ANSYS

CAD

Education

Bachelor’s or Master’s in Mechanical Engineering

Tools

ANSYS

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 DESCRIPTIONS

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).
• Proficient knowledge of ANSYS (highly preferred) or FEA software.
• Proficient knowledge of SolidWorks (highly preferred) or equivalent CAD package.
• 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.
• 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.
• 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.

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

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.