Senior Mechanical Design Engineer

About usthe company is building a first-of-its-kind consumer diagnostics platform that brings complex biochemical analyses into the home through integrated silicon photonics, microfluidics, embedded systems, and advanced assay development. Our chip-based solution integrates state-of-the-art biochemistry, photonics, electronics, and microfluidics to deliver the power of large laboratory instruments in a portable device.

The roleYou will be hands on designing and building the first of its kind home testing system. This person will directly own key parts of the system, with a wide scope to have an impact. You will work closely with the production teams to create systems that are elegant to use, but also manufacturable at scale.

Responsibilities

Lead mechanical designs for defined subsystems of medical and diagnostic devices, ensuring functionality, reliability, and manufacturability

Design and review parts and assemblies optimized for high-volume injection molding and automated assembly methods

Apply rapid prototyping techniques to accelerate product development and iteration, with minimal guidance

Plan and execute engineering tests to validate designs and improve performance

Create and review detailed design specifications, including 3D and 2D MCAD models following ASME Y14.5 or ISO 8015 standards

Closely collaborate with cross-functional teams, including manufacturing engineers and scientists, often owning the mechanical side of complex technical challenges

Lead root cause analysis and drive design or process changes to enhance product quality and performance

Own system design, system and sub-system requirements and verification plans for your subsystems

Mentor Mechanical Design Engineers on MCAD practices, DFM/DFA, and design-verification approach

Review other engineers' designs and drawings for manufacturability and compliance with design standards

Take a leading role in supplier and vendor conversations for the components/subsystems you own

What we’re looking for

Deep knowledge of the challenges of scaling products from prototype to high volume production

Real experience working with pilot and full volume production systems, implementing quality controls and maximizing the product’s quality and yield

Excellent knowledge of injection molding design, including tolerance studies

Excellent knowledge of mechanical assembly techniques, including ultrasonic welding, laser welding, clip design and adhesives

Creative problem solver

Expert MCAD user

Nice to have

Demonstrated ability to design mechanical mechanisms, from concepting through to volume production

Experience in medical devices, or with ISO 13485, ISO 14971, or other design controls process

Experience working at a manufacturing site, as a process, test or tool engineer

Optics, photonics, fluidics, or microfluidics exposure

Experience in SolidWorks and OnShape

Employment Details Department: Product Engineering

Work location: Burlington, MA (on-site), with some travel to manufacturing sites in the US, Europe and Asia. Trips typically for 1-2 weeks in duration as required.

Salary Range: $100,000 – $200,000 (depending on experience)

Benefits

401K

Health Insurance

Dental Insurance

Vision Insurance

Health Savings Account

Health Flexible Savings Account

Dependent Care Flexible Savings Account

Life Insurance

Paid Time Off

Parental Leave

Long Term Disability

Equity

Gym Membership (Lifetime Fitness — one block from the office)

Physical Requirements

Ability to lift up to 20 pounds.

Ability to do dexterous tasks with hands, e.g. manual assembly with small tools, soldering

This role involves physical activity and routine handling of chemicals. Candidates must adhere to all laboratory safety protocols and be comfortable using appropriate personal protective equipment (PPE).

Who Thrives Here This role is a strong fit for someone who takes ownership without being asked, is energized by variety rather than routine. They are highly motivated by SiPhox’s mission.

Why Join the company

Help bring a first-of-its-kind at-home diagnostics platform to market.

Work alongside multidisciplinary engineering and scientific teams solving complex technical challenges.

Competitive compensation, equity, and benefits (including Lifetime Fitness membership).

Equal Opportunity Employer the company is an equal opportunity employer committed to building an inclusive workplace. Applicants of all backgrounds and experiences are encouraged to apply.

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