Prototype Engineer Jobs in Massachusetts (NOW HIRING)

Who we are

Klein Marine Systems is the world's leading side scan sonar manufacturer, and we are immensely proud of where we are and how we got here. We are currently undergoing a remarkable period of transformation, making now an incredibly exciting time to join our team. We are searching for dynamic, technically skilled individuals who are passionate about their work to join us in Newburyport, MA. In return, you will have the opportunity to be part of the world's leading side scan sonar enterprise: contributing to significant advancements in our technologies and operations.

Unleash your potential with a rewarding career

If you possess a visionary mindset, a knack for solving complex challenges, and a burning desire to make a genuine impact on the world, explore our job opportunities. Seize the opportunity to unleash your courage and contribute to a more connected, smarter, and brighter future.

We are seeking a skilled and versatile Prototype Machinist & Electromechanical Assembler to support both machining and assembly operations within our manufacturing organization.

This hands-on position is responsible for machining prototype and production components using CNC and conventional machine tools, while also supporting the assembly, integration, testing, and repair of electromechanical products and systems. The ideal candidate enjoys working in a dynamic environment where priorities can shift between machining, assembly, troubleshooting, and prototype development activities.

This role will work closely with Engineering, Manufacturing, and Operations personnel to build high-quality products, support new product development, and contribute to continuous improvement initiatives. This position is located in Newburyport, MA and reports to the Manufacturing Manager.

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

This position is not open to external recruiting agencies.

Key Responsibilities

Machining Operations

• Set up and operate 3-axis CNC milling machines to manufacture prototype and low-volume production components.
• Program, modify, and optimize CNC machining operations as required.
• Operate conventional machining equipment including mills, lathes, drill presses, band saws, grinders, and other shop equipment.
• Interpret engineering drawings, CAD models, work instructions, and specifications.
• Select appropriate tooling, fixturing, and machining methods to achieve quality and productivity objectives.
• Inspect machined components using calipers, micrometers, gauges, and other measuring equipment.
• Maintain machine tools and work areas in a safe and organized condition.
• Support process improvements that reduce setup times, improve quality, and increase efficiency.

Electromechanical Assembly

• Assemble electromechanical products, subassemblies, and prototype systems in accordance with drawings, work instructions, and engineering requirements.
• Perform mechanical assembly, wiring, soldering, cable fabrication, and system integration activities.
• Conduct functional testing and troubleshooting of assemblies and products.
• Support repair and rework activities as required.
• Maintain accurate production and quality records.

Prototype Development Support

• Collaborate with Engineering to build, modify, and improve prototype hardware.
• Assist in fixture, tooling, and test equipment fabrication.
• Provide feedback on manufacturability, assembly methods, and design improvements.
• Support engineering development projects and rapid prototyping activities.
• Participate in problem-solving and root cause investigations related to product or process issues.

Qualifications and Essential Skills

• High school diploma or technical trade school certification required.
• Experience operating and setting up CNC milling machines.
• Experience with conventional machining equipment including mills, lathes, drill presses, and related shop equipment.
• Ability to read and interpret engineering drawings and mechanical specifications.
• Experience using precision measurement equipment.
• Mechanical aptitude and hands-on problem-solving skills.
• Experience with electromechanical assembly, wiring, soldering, or related manufacturing activities preferred.
• Familiarity with CAD/CAM software is preferred.
• Ability to work independently and as part of a team.
• Strong attention to detail and commitment to quality.

Preferred Qualifications

• Experience supporting prototype or new product development activities.
• Experience in electronics, marine, defense, industrial, or technical manufacturing environments.
• Familiarity with ISO 9001 quality systems.
• Experience with fixture design, tooling fabrication, or test equipment assembly.

Klein Marine Systems offers a generous compensation package; benefits begin on date of hire.

• Comprehensive Health, Dental and Vision Plans
• Elective deductions for Flexible Spending Accounts
• Company Paid Life Insurance, Short and Long-Term Disability
• Supplemental Life Insurance, Critical Illness, and Accident coverage
• 401(k) Retirement Savings Plan with employer contribution; Roth IRA option
• Employee referral program
• Paid Holidays
• Generous Flex Paid Time Off account

Are you ready to join our exceptional team?

We are constantly seeking top talent in the fields of Engineering, Sales, Manufacturing Operations, Finance and Accounting, Technology, R&D, Marketing, and Field Operations. At Klein, we take pride in creating a supportive, fair, and inclusive working environment that empowers you to thrive and advance in your career. Rest assured that all qualified applicants will be considered for employment without any discrimination based on race, religion, sex, national origin, age, disability, genetic information, veteran status, or any other factors prohibited by law.