Senior Mechanical Design Engineer - Precision Sensors

ExcelliSearch, Inc.; Buffalo (NY); On-site; USD 100,000 - 150,000; Full time

Job summary

ExcelliSearch, Inc. seeks a Senior Product Design Engineer to design and develop precision products and custom assemblies from concept to production release.

The role combines mechanical design, analysis, prototype evaluation, and close collaboration with customers and manufacturing teams to deliver reliable solutions. The candidate will translate requirements into specifications, maintain CAD models and drawings, perform calculations and tolerances, and guide designs through verification and

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• Progressive experience designing mechanical products or precision engineered assemblies through production release.
• Proficiency with 3D CAD, detailed drawings, GD&T, tolerance analysis, and engineering change control.
• Strong understanding of materials, manufacturing methods, mechanical interfaces, and design verification.
• Ability to independently manage technical work, document decisions, and collaborate across functions.

Responsibilities

• Translate customer requirements into product specifications and design concepts.
• Create and maintain 3D CAD models, production drawings, BOMs, and design docs.
• Perform engineering calculations, material selection, tolerance analysis, and risk assessments.
• Design components considering temperature, pressure, sealing, interfaces, and manufacturability.
• Develop prototype and validation plans, evaluate results, and refine designs to meet performance.
• Lead or contribute to design reviews and resolve issues with engineering, manufacturing, quality, and suppliers.
• Support new product introduction, engineering changes, and troubleshooting production or field issues.
• Provide technical guidance to less experienced engineers and improve design practices.

Skills

3D CAD

GD&T

Tolerance analysis

Engineering change control

Cross-functional collaboration

Education

Bachelor's degree in Mechanical Engineering

Tools

Simulation tools

Job description

ExcelliSearch, Inc. seeks a Senior Product Design Engineer to design and develop precision products and custom assemblies from concept to production release.

The role combines mechanical design, analysis, prototype evaluation, and close collaboration with customers and manufacturing teams to deliver reliable solutions. The candidate will translate requirements into specifications, maintain CAD models and drawings, perform calculations and tolerances, and guide designs through verification and