Principal Mechanical Engineer — Mechatronics & Production

Cellino; Cambridge (MA); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Stock options

401(k)

Employer‑paid medical, dental, vision,

Life insurance

FSA/HSA available

Generous PTO & holidays

Parental leave

Job summary

Cellino Biotech, Inc. is seeking a hands‑on principal mechanical engineer to turn research concepts into production‑ready designs.

You will own mechanical development from concept to production, work with R&D, vendors, and global suppliers, and mentor junior engineers to deliver high‑quality fluidic and mechatronic systems. The ideal candidate has 10+ years of mechanical design experience, proficiency in CAD, and a track record of shipping complex products from prototype to production.

Qualifications

• 10+ years in mechanical design and product development.
• Proven ownership of a complex mechanical product from concept to production.
• Expert in 3D CAD; proficient with prototyping and manufacturing processes.

Responsibilities

• Own mechanical development from concept through prototyping, verification, design transfer, and production.
• Drive projects independently, identify risks, resolve ambiguity, escalate when needed.
• Coordinate across internal teams, vendors, CMOs, and global suppliers; mentor juniors.
• Collaborate with R&D and biologists on fluidic and mechatronic system concepts.
• Apply DFM principles to ensure quality and production efficiency.

Skills

Leadership on complex projects

3D CAD (SolidWorks/AutoCAD)

Prototyping (3D printing, CNC)

DFM/DFA, GD&T, tolerancing

Mechanical design & product dev

Education

Bachelor's in Mechanical Engineering

Tools

SolidWorks

AutoCAD

Job description

Cellino Biotech, Inc. is seeking a hands‑on principal mechanical engineer to turn research concepts into production‑ready designs.

You will own mechanical development from concept to production, work with R&D, vendors, and global suppliers, and mentor junior engineers to deliver high‑quality fluidic and mechatronic systems. The ideal candidate has 10+ years of mechanical design experience, proficiency in CAD, and a track record of shipping complex products from prototype to production.