Senior Mechanical Engineer - Hardware Design & Manufacturing

Hardware FYI; Berkeley, Northern (CA, KY); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Bellwether Coffee, headquartered in Berkeley, CA, seeks a Senior Mechanical Engineer to own major mechanical design efforts for critical subsystems. You will collaborate across Engineering, Operations, and Manufacturing to deliver scalable, cost-efficient products with excellent customer experience.

The role requires hands-on prototyping, CAD-driven development, and strong collaboration with industrial design and manufacturing teams to ensure reliable, manufacturable solutions.

Qualifications

• 7+ years of relevant industry experience in consumer products, appliances, or electro-mechanical systems.
• Bachelor’s degree in Mechanical Engineering (or equivalent) with fundamentals in statics, dynamics, thermodynamics, heat transfer, and fluid mechanics.
• Experience with a range of manufacturing processes (sheet metal, CNC machining, plastics, welding, die-casting, etc.).
• Demonstrated expertise in Design for Manufacturing (DFM) and Design for Assembly (DFA).
• Experience collaborating with industrial designers and human factors teams to deliver consumer-grade user experiences.

Responsibilities

• Lead the design and development of complex mechanical subsystems from concept through manufacturing.
• Define system architecture, component selection, and engineering tradeoffs to meet performance, reliability, and durability requirements.
• Create detailed CAD models, assemblies, and drawings with GD&T annotations.
• Design components and systems optimized for manufacturability, cost efficiency, scalability, and serviceability (DFM/DFA).
• Build and test prototypes to validate function, reliability, user interaction, and manufacturability.
• Develop engineering requirements, test plans, and documentation to support product development and validation.
• Lead and participate in design reviews, including PDRs, CDRs, and production readiness reviews.
• Collaborate with suppliers, fabricators, and manufacturing to ensure designs meet quality and schedules.
• Identify opportunities for product improvement, cost reduction, and manufacturing optimization.
• Collaborate cross-functionally with electrical, firmware, software, product, industrial design, operations, and supply chain teams.

Skills

CAD proficiency

Cross-functional collaboration

Prototyping

Design for Manufacturing

Strong communication

Self-starter

Education

Bachelor's degree in Mechanical Engineering

Tools

OnShape CAD

PLM/PDM systems

Job description

Bellwether Coffee, headquartered in Berkeley, CA, seeks a Senior Mechanical Engineer to own major mechanical design efforts for critical subsystems. You will collaborate across Engineering, Operations, and Manufacturing to deliver scalable, cost-efficient products with excellent customer experience.

The role requires hands-on prototyping, CAD-driven development, and strong collaboration with industrial design and manufacturing teams to ensure reliable, manufacturable solutions.