Senior Mechanical Engineer

Simplexity Product Development

$140K — $160K *
Manufacturing & Automotive
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or master's in Mechanical Engineering or equivalent.
  • 8+ years of relevant experience, including 2+ years in finite element analysis.
  • Ownership mindset, able to plan tasks and meet deadlines efficiently.
  • Proficient in ANSYS or similar FEA software, with SolidWorks knowledge preferred.
  • Strong understanding of manufacturing processes such as injection molding and machining.
  • Experience with actuator or drivetrain solutions and vendor collaboration.
  • Hands-on experience in troubleshooting and conducting root-cause analyses.

Responsibilities

  • Review and optimize actuator designs for manufacturing efficiency and reliability.
  • Conduct structural finite element analysis and additional relevant tests.
  • Define and execute diagnostics, then iterate to improve hardware.
  • Present technical tradeoffs and project status to clients directly.
  • Implement structured quality methods to enhance manufacturing performance.
  • Coordinate mechanical specifications with suppliers and manufacturers.
  • Maintain and update technical documentation including drawings and BOM.

Benefits

  • Excellent healthcare plan fully sponsored for employees, with partial coverage for dependents.
  • 401(k) plan with matching contributions.
  • Long-term and short-term disability insurance.
  • Paid maternity and new parent leave.
  • 11 paid holidays per year.
  • Three weeks of paid time off (PTO) per year, with increases after 2, 5, and 9 years of service.
Full Job Description
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.

*** 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. ***

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