Principal Mechanical Engineer, Hardware

Brinc Drones Inc

$120K — $150K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of experience in mechanical engineering, focusing on mechanical systems and precision mechanisms.
  • Bachelor's degree in Mechanical Engineering or a related field.
  • Experience in fast-paced technical environments emphasizing rapid development and safety.
  • Strong expertise in DFM, DFA, and DFT methodologies.
  • Proficient in statistical tolerance analysis, dimensioning, and GD&T.
  • Skilled in using industry-standard 3D CAD modeling tools.
  • Familiarity with materials and manufacturing techniques including plastics, metals, and 3D printing.

Responsibilities

  • Lead hardware development from concept through design, prototyping, testing, and manufacturing.
  • Collaborate with cross-functional teams including software, electrical, and manufacturing engineers.
  • Design flight hardware and validation test setups to ensure performance.
  • Establish top-level design architectures and effectively communicate design decisions.
  • Conduct design analysis and document testing results, informing product features with data.
  • Work closely with Industrial Design partners to ensure alignment with design intent.
  • Mentor and provide technical guidance to the mechanical engineering team.

Benefits

  • Comprehensive medical, dental, and vision plans for employees and their families.
  • 401K plan available.
  • Maternity and paternity leave offered.
  • Flexible Time Off for exempt positions and paid time off for non-exempt positions.
  • A flexible work environment to promote work-life balance.
  • Orca pass for employees commuting in the Puget Sound area.
  • Free parking at the Seattle office location.
  • Complimentary snacks, drinks, and espresso in the Seattle office.
Full Job Description


About this Role:

We are seeking a highly skilled and experienced Principal Mechanical Engineer to lead the conceptualization, design, prototyping, and testing of precision actuators, gimbals, and related mechanical systems for drone applications. The ideal candidate will have a deep understanding of kinematics, dynamics, and control systems, with a proven track record in designing lightweight, high-performance mechanisms for demanding environments. This role will involve full lifecycle development, from initial concept through to final validation, ensuring reliability and performance in safety critical drone operations.

Key Responsibilities:
  • Own hardware development from start to finish - from specification to design, prototype, testing and manufacturing.
  • Work collaboratively with software, electrical, perception, controls, and manufacturing engineers.
  • Design both flight hardware and test setups to validate designs.
  • Establish top-level design architectures and implementation methodologies for the team.Clearly communicate design decisions with internal stakeholders.
  • Perform and document design analysis and testing results; make data-driven decisions to land key product features.
  • Work closely with Industrial Design partners to ensure the final product meets design intent and customer needs.
  • Provide technical guidance and mentorship to the broader mechanical engineering team.


Qualifications:
  • 10+ years of industry experience in mechanical engineering or product design, with a strong focus on the design, analysis, and development of mechanical systems and precision mechanisms, such as linkages, gears, cams, and actuators, including experience in motion control, load analysis, and kinematic design.
  • Bachelor of Science in Mechanical Engineering or related
  • Experience working in fast-paced technical environment where rapid development and safety are key
  • Strong knowledge of DFM (Design for Manufacturability), DFA (for Assembly), and DFT (for Test)
  • Experience with statistical tolerance analysis, dimensioning, GD&T
  • Experience with industry standard 3D CAD modeling tool suites
  • Working knowledge in material properties - plastics, metals, adhesives, and glass
  • Working knowledge of manufacturing techniques - stamping, machining, 3D printing, injection modeling


Preferred Skills
  • Extensive experience designing mechanical solutions for Aerospace, Robotics, Automotive, Consumer Electronics, or related industries
  • Masters of Science in Mechanical Engineering or related degree
  • Experience working with domestic and international supply chain partners
  • In-depth understanding of packaging for electronics, designing for high-stress shock & vibe environments; experience with failure analysis and FEA (Finite Element Analysis)
  • Strong knowledge of motor types (DC, stepper, brushless, servo) and motor drive systems, including speed controllers and feedback mechanisms. Experience in motor selection, control (PWM, PID), and integration for high-performance, precision applications.
  • Ability to work effectively in a dynamic environment with changing needs and requirements
  • Ability to work independently and in a small team, take initiative, and communicate effectively
  • Experience developing mechanical solutions for UAV/UAS used in commercial, industrial, or defense applications

If you're interested in this role and in joining BRINC, we hope you'll apply. We'd love to review your application and get to know more about you!

Benefits and perks listed below may vary based on the nature of your employment with BRINC and/or the country within which you work

  • Comprehensive medical, dental and vision plans for our employees and their families
  • 401K plan
  • Maternity and paternity leave
  • Flexible Time Off (Exempt) / Paid time off (Non-Exempt)
  • Flexible work environment
  • Orca pass (for those in Puget Sound)
  • Free parking (Seattle office)
  • Free snacks, drinks and espresso (Seattle office)

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