Sr. Mechanical Engineer

Resonetics•Nashua, NH

2d•$78,000 - $124,000

About The Position

Resonetics is a global leader in advanced engineering, prototyping, product development, and micro manufacturing, driving innovation in the medical device industry. With rapid expansion across all our locations, we continue to push the boundaries of technology while fostering a dynamic, employee-centered culture. Our commitment to excellence and continuous improvement makes Resonetics an exciting place for professionals passionate about shaping the future of micro-manufacturing and being part of something bigger. This individual will be a member of our system engineering design team which designs laser micromachining systems and other process manufacturing systems for various industries including medical, electronics, and semiconductor industries. This position involves designing opto-mechanics, motion systems, electro-mechanical packaging, parts handling and automation, tooling, etc. This individual will be responsible for leading mechanical design projects, solving technical challenges and ensuring quality from concept to implementation. Join Resonetics and be part of a team that’s redefining medical device manufacturing. If you’re passionate about innovation and thrive in a fast-paced environment, we’d love to hear from you.

Requirements

B.S. in Mechanical Engineering or related field.
5+ years experience in mechanical design for precision equipment, automation, or capital machinery.
Proficiency with SolidWorks and AutoCAD.
Excellent problem-solving, analytical, & verbal and written communication skills.
Ability to work both independently and collaboratively within a team environment.
Ability to create and maintain precise mechanical drawings and documentation for the manufacturing of complex components and assemblies.
Proficiency of Geometric Dimensioning and tolerancing.
Excellent computer skills, proficient in Excel, Word, PowerPoint.
Independent, self-starter with the ability to multi-task.
Possess excellent communication skills and positive attitude.

Nice To Haves

Experience with laser micromachining (femtosecond/picosecond/nanosecond) and beam delivery systems.
Laser, optics, opto-mechanics, complex and high precision system and automation work highly desirable.
Experience with 3D printing and rapid prototyping (FDM & SLS).
Experience with medical device manufacturing would also be a plus.
Hands-on experience is highly desirable.

Responsibilities

Create detailed Mechanical designs, assemblies, and drawings using Solidworks.
Perform tolerance analysis, material selection, and manufacturability assessments.
Architect mechanical platforms for laser micromachining (stages, gantries, opto-mechanical mounts, enclosures, thermal management).
Select and integrate lasers, optics, scanners, beam delivery, machine vision, and motion components.
Design for precision, stability, and repeatability (micron-level tolerances; vibration, thermal drift, alignment).
Coordinate with electrical, software, and manufacturing teams to ensure seamless integration.
Identify opportunities for cost reduction, reliability improvement, and design optimization.
Prepare technical documentation, BOMs, and ensure compliance with relevant standards (ISO, ASME, NFPA).
Collaborate with controls engineers on motion profiles, PLC/HMI integration, and safety interlocks.
Interface with suppliers and manufacturing on cost, lead-time, and quality.
Design for manufacturability (DFM/DFA) and serviceability; oversee prototype builds.
Project Manage design projects – delegate design tasks and mentor junior engineers.