Mechanical Engineer III
$65k - $102kResonetics
Resonetics Mechanical Design Engineer
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.
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.
Required Qualifications
B.S. in Mechanical Engineering or related field.
5+ years experience in mechanical design for precision equipment, automation, or capital machinery.
Proficiency with SolidWorks or 3D modeling.
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.
Preferred Qualifications
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.
Compensation
The compensation for this role is competitive and will be based on experience and qualifications. The anticipated range is $65,000-$102,000.
Our company policy is that we are unable to provide visa sponsorship. Candidates must already be legally authorized to work in the United States without the need for sponsorship now or in the future.
$45 - $58 per hour
...Quality Engineer III (Location: Nashua, NH area) Qualifications *The manager is looking for a Quality Engineer who can focus on the end products specifications and quality standards. *5-7 years’ experience in a quality engineering role in a manufacturing engineering,...Suggested- ...Manufacturing Engineer III Seeking a Manufacturing Engineer III to support and improve the production of complex electronic and electromechanical assemblies. This is a hands-on manufacturing engineering role supporting production operations, resolving technical...SuggestedVisa sponsorshipWork visa
- ...an experienced Manufacturing Technician III to support our injection molding and... ...Provide real-time feedback to Manufacturing Engineering Support introduction of new equipment... ...during development transfer Diagnose mechanical, electrical, and software-related issues...SuggestedFull timeRelocation packageAfternoon shift
- ...Field Technician III Electric Power Systems (EPS) is a NETA-accredited independent electrical testing and engineering organization specializing in electrical acceptance testing, commissioning, and maintenance for clients across Data Centers, Utility, Generation, Renewables...Suggested
- ...compliant to the customers' requirements and applicable standards and regulations. This role becomes a key technical interface between engineering development and the manufacturing team, to provide metrics and feedback to the organization on the NPI process, and lead...SuggestedPermanent employmentCasual workWorldwide
- ...Manufacturing Engineer III Group: Fluid Connector Grp N. America Division: Precision Fluidics (PPF) Location : USA HOLLIS NH PRECISION... ...as assigned . Qualifications: • Bachelor’s Degree in mechanical engineering or a related Engineering discipline with 5–8...Permanent employmentFor contractors
$118.1k - $200.76k
...Mechanical Engineer We are seeking an experienced Mechanical Engineer to support our EO/IR seeker and precision munitions products and related technologies. If selected, you will be part of the Hardware Team supporting new development in the Franchise Program Portfolio...Full timeLocal areaRemote workShift work- ...Mercury Systems is seeking the best and brightest engineering talent to help us deliver cutting‑edge technology for mission‑critical... ...eager to make a meaningful impact from day one. As a principal mechanical engineer, you will take a hands‑on role in designing, analyzing...Permanent employmentCasual workWorldwide
- ...Position Mechanical Integrity Engineer Location: Nashua, NH Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.)....
$160.12k
...perspectives. Join our team, and together we will make a difference and change the world. Job Description Are you a skilled Mechanical Engineer with expertise in HVAC and plumbing systems who is ready to take the next step in their career? This role offers the...Work experience placementH1bWork at officeLocal areaRemote workWork from home- ...advanced manufacturing. With deep domain expertise and extensive engineering capabilities, Invio partners with clients from early-stage... ...Engineer Managers must possess a working knowledge of mechanical principles and an understanding of 3D models, layout drawings...Work at officeFlexible hours
- ...end solution is brought to market quickly and meets our customer's needs. What You’ll Do This position reports to the Mechanical Engineering Manager and is responsible for the mechanical design of the next module or the next chassis that we bring to market. Arista...
$28 - $32 per hour
...grow. Join us!Materion is seeking a detail-oriented Technician III to join our rapidly growing Photolithography team within Precision... ...semi-routine equipment maintenance and upkeepWorks with process engineers to improve process(es) as requested.Maintains cleanliness and...Hourly payPermanent employmentLocal area- ...automated manufacturing systems ranging from 5 to 3,000 tons. Our engineers work on complex, one-of-a-kind equipment and are involved... ...for more than 140 years. We are looking for an experienced Mechanical Design Engineer who enjoys solving challenging mechanical problems...
- ...including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive. Position: Mechanical Engineer Location: Nashua, NH Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical...
- Design and develop automated mechanical equipment and purification systems using SolidWorks from concept through commissioning. Collaborate... ...Bachelor's degree in Mechanical, Mechatronics, or Electrical Engineering with 3-7+ years of experience in automated equipment design....
- ...thing: making the everyday lives of our customers better and more convenient. That's the mission. The Role You'll be our first mechanical engineer . We've built a working v1, a robotic system that makes real customized beverages today, and now we want to take it to the...Live inDay shift
- ...Job Description Job Description Manufacturing Engineer III (Contract) - U.S. Citizens only (Nashua, NH area) Position Overview... ...degree in manufacturing engineering, Industrial Engineering, Mechanical Engineering, or a related field. Advanced degrees may be...Contract work
$31.39 - $38.4 per hour
...Maintenance Mechanic III Responsible for repair, installation and general upkeep of complex, interrelated manufacturing machinery, facility equipment and/or building. Works within a team environment to meet departmental goals and objectives. Maintains work area cleanliness...Hourly payPermanent employment- ...Job Description Job Description The Equipment Engineer is responsible for the engineering support of process and utility equipment... ...products or equivalent software. Excellent base of mechanical engineering technical skills, knowledge of processes, and the...For contractorsWork at office
- ...Position: Tooling Design Engineer -Hi-Speed Cable Assembly Location: Nashua, NH POSITION SUMMARY: We are seeking a highly motivated and skilled Tooling Design Engineer to join our growing team in Nashua. This crucial role will design and develop tooling...
- ...Job Description Job Description Senior Mechanical Engineer – Automation & Machine Design / Custom Equipment / Custom Automation / Custom Automated Machinery / Integration - Concept to Installation Are you a hands-on engineer who thrives on building complex, cutting...Full time
- Job DescriptionCollege Graduate - Rotational Engineering Program (REP) - start date of July 2027 in Andover, MA or Hudson, NH. Mercury... ...Qualifications: Bachelor’s or master’s degree in electrical engineering, mechanical engineering, or manufacturing engineering obtained May 2026...Rotational programCasual workInternshipWorldwide
- ...equipment, and automotive. Position: Tooling and Automation Engineer Location: Nashua, NH Amphenol High Speed Products Group... ...assembly processes. QUALIFICATIONS: Bachelor’s degree in mechanical engineering from a four-year university. Robotics and Controls...
- ...Description: Viken Detection is seeking a highly experienced Principal Mechanical Engineer to provide technical leadership and architectural ownership across our advanced detection and imaging systems. This highest-level individual contributor role sets mechanical design...Full timeLocal areaRelocation package
- Champions Do More As one of the fastest-growing and most exciting brands in the industry, Crash Champions is the largest founder-led multi-shop operator (MSO) of high-quality collision repair service in the U.S. The company, which also operates the growing Crash Champions...Minimum wageFull timeApprenticeshipLocal areaRemote work
$90k - $100k
...Lightspeed Sales Engineer Resonetics is a global leader in advanced engineering, prototyping, product development, and micro manufacturing... ...base, sales intelligence, facilitating Type II and Type III opportunity development and transfers, nurturing new target high...Contract work$118.1k - $200.76k
...to be a part of? Come build your career with BAE Systems. Our engineers are the lifeblood of our company. With our robust offering of... ...available for an experienced and highly motivated Principal Mechanical Engineer to join our Transition to Production and Product Support...Full timePart timeLocal areaImmediate startWorldwideFlexible hoursNight shift$87.26k - $139.62k
...Corrective maintenance for HVAC equipment controls, Power Plant / Mechanical Room processes and analytical instrumentation used for the... ...Education, Experience, & Skills Niagara 4 certification level III, within 1 year of hire Experience with various communication...Full timeFor contractorsWork at officeLocal area- ...semiconductor process development, wafer fabrication, circuit design, advanced packaging, systems architecture and applications engineering. We are committed to our customers' success. We partner with customers to help solve their most challenging problems by providing...Permanent employmentInternship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer III. Be the first to apply!




