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MKS Instruments Inc Principal Mechanical Engineer in Wilmington, Massachusetts

MKS Instruments enables technologies that transform our world. We deliver foundational technology solutions to leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. We apply our broad science and engineering capabilities to create instruments, subsystems, systems, process control solutions and specialty chemicals technology that improve process performance, optimize productivity and enable unique innovations for many of the world’s leading technology and industrial companies. Our solutions are critical to addressing the challenges of miniaturization and complexity in advanced device manufacturing by enabling increased power, speed, feature enhancement, and optimized connectivity. Our solutions are also critical to addressing ever-increasing performance requirements across a wide array of specialty industrial applications. Additional information can be found at ( .

A Day in Your Life at MKS:

As a Principal Mechanical Engineer, you will support the development of next generation technologies that enable new market applications. You will provide technical leadership to a team of mechanical engineers implementing innovative solutions to complex thermal, structural and packaging design challenges. This opportunity will encompass multiple product families that include high power electronics, remote plasma sources, microwave delivery systems, and ozone generators. In this role, you will report to the Director of Engineering.

As a curious, successful candidate you will operate independently with minimal supervision in a fast-paced, dynamic, highly technical environment and work on cross-functional projects. ​ You are highly self-motivated and capable of combining the efforts of the team to support innovative designs and differentiated technology.

You Will Make an Impact By:

  • Working as the lead of a technical team responsible for the mechanical design, modeling, test, and packaging of highly complex electro-mechanical components and integrated sub-systems.

  • Developing innovative designs that are cost effective and manufacturable.

  • Analyzing thermal and structural performance using FEA simulation.

  • Communicating effectively with both a cross-functional development team and project management in oral and written forms.

  • Ensuring product meets applicable design requirements.

  • Analyzing and implementing continuous improvements in quality, reliability, and cost reduction.

Skills You Bring:

  • Bachelor’s degree in mechanical engineering required with 8+ years of experience.

  • Ability to understand and manage tradeoffs between cost, performance, and schedule.

  • Skilled with the design and test of complex mechanical systems from requirements to realization

  • Strong technical communication (verbal, written, presentation) skills

  • Expert level SolidWorks user

  • Knowledge of advanced machining techniques

Preferred Skills:

  • Experience with CFD techniques.

  • Advanced knowledge of aluminum, stainless steel or ceramic materials.

  • Semiconductor manufacturing industry background.

*This position can become be a hybrid role of some remote and onsite days each week once initial onboarding is completed. The role must be based within commuting distance to Wilmington, MA

We are interested in a qualified candidate who is eligible to work in the United States. However, we will not be sponsoring work visas for this position, at this time.

MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details. MKS is generally only hiring candidates who reside in states where we are registered to do business.


Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be “U.S. persons.” “U.S. persons” are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, green card holders), individuals granted asylum, and individuals admitted as refugees.

MKS Instruments, Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role

At MKS, it's all about courage, big ideas, and a serious passion for innovation. Winning here is about exploring possibilities, taking action , and solving our customers’ toughest challenges. It's not just a job – it's what you make of it. While you shape your role and make it unique, we invest in you with on-the-job and formal training, as well as educational assistance. Curiosity is key at MKS - ask questions, own your path.

Our success comes from celebrating the unique skills, diverse perspectives, and lived experience of employees from over 100 countries. The goal is to make sure that everyone feels that they belong. Diversity isn't just a nice-to-have; making sure everyone feels included is a big deal for us.

Our group of 10,000 employees serves semiconductor manufacturing, electronics and packaging, and specialty industrial markets. With over 3,800 patents, our products are enabling advancements in 5G, renewable energy & storage, artificial intelligence, cloud technology, and big data. We're the behind-the-scenes support for some amazing technology.

MKS Instruments enables technologies that transform our world. MKS Instruments Product Overview (