Senior Mechanical Design Engineer — On-Site (Boston Area)

Simplexity Product Development; North Reading (MA); On-site; USD 135,000 - 165,000; Full time

Job summary

Simplexity Product Development in the Boston area seeks a Senior Mechanical Design Engineer to lead design of subsystems for robotics, biotech instrumentation, and related equipment. You will guide projects from concept through production, collaborating with electrical, firmware, and software teams.

On-site at client facilities in North Reading, MA, you will create 2D drawings per ASME Y14.5, manage large CAD assemblies, select manufacturing methods, and communicate status and risks to clients

Qualifications

• BS or MS in Mechanical Engineering from an accredited four-year university.
• 10+ years of relevant professional engineering experience.
• Proficiency in SolidWorks (highly preferred) or an equivalent CAD package.
• Thorough understanding of 2D drawings, preferably with strong GD&T (ASME Y14.5) skills, and how they apply to design and manufacturing.
• Knowledge of manufacturing processes and design considerations: injection molding, sheet metal, machining, rapid prototyping, etc.
• Knowledge of assembly and alignment methods: screw joints, snap fits, dowel pins, heat-staking, etc.
• Ability to root-cause system-level defects.
• Experience designing and integrating complex systems with cross-functional teams (electrical, firmware, software, and systems engineers).
• Strong organizational and analytical skills, attention to detail, and the ability to plan and prioritize effectively.
• Highly motivated, with a demonstrated ability to work independently with minimal supervision.
• Clear communication and detailed report writing skills.
• Positive attitude and focus on client success.
• Ethical and honest in every part of the job.

Responsibilities

• Architect, design, and integrate complex mechanical systems.
• Communicate design concepts efficiently using block diagrams, rough CAD, schematics, and sketches.
• Design solutions using custom (injection-molded, machined, 3D-printed, sheet metal), semi-custom, and off-the-shelf parts.
• Perform analytical studies applying engineering principles such as force and energy balances, structural calculations, mechanical vibration, tolerance analysis, and power transmission.
• Manage large 3D CAD assemblies.
• Generate and maintain an organized bill of materials.
• Create 2D drawings to ASME Y14.5 GD&T standards.
• Quickly prototype design concepts, test against specifications, and iterate.
• Collaborate with engineers across disciplines.
• Select manufacturing methods for prototyping and production, and design components accordingly.
• Prioritize technical issues on your designs and drive them to resolution.
• Communicate regularly with clients and project management on project status, issues, design decisions, and risks.
• Coordinate with external partners such as industrial design and contract manufacturing firms.
• Work on-site at client facilities in the local area, such as North Reading, MA
• Conduct or inform simulations (structural FEA, thermal FEA, CFD, etc.) as needed.

Skills

Mechanical design

Technical leadership

Product development consulting

Client communication

Education

BS in Mechanical Engineering

Tools

SolidWorks

CAD software

Job description

Simplexity Product Development in the Boston area seeks a Senior Mechanical Design Engineer to lead design of subsystems for robotics, biotech instrumentation, and related equipment. You will guide projects from concept through production, collaborating with electrical, firmware, and software teams.

On-site at client facilities in North Reading, MA, you will create 2D drawings per ASME Y14.5, manage large CAD assemblies, select manufacturing methods, and communicate status and risks to clients