Job Title:
Engineer II, Mechanical Systems EngineeringJob Description:
The Role:
We are seeking a talented and motivated Mechanical Systems Engineer to join our team, focusing on the development and optimization of gas purification systems. This position is responsible for design, documentation, analysis, testing and collaborating across functions to implement advanced technologies in gas purification systems.
In this role, the Mechanical Systems Engineer will work closely with mechanical, electrical, controls, software, manufacturing, quality, compliance, suppliers and global engineering teams to support new product development, product transfer, qualification, production readiness and continuous improvement activities.
What You’ll Do:
Design mechanical components, assemblies and sub-systems for UHP gas purification systems.
Size and select components as required to meet UHP gas purifier system design, performance, safety, reliability and compliance requirements.
Create and maintain solid models, engineering drawings, design specifications, BOMs, procedures and other required documents to support development of systems.
Work closely with cross-functional teams, including fellow mechanical engineers, controls engineers and electrical engineers for full systems integration.
Understand and support system-level architecture, P&ID, gas flow path, component function, operating sequence and subsystem interfaces.
Conduct and document engineering calculations, analysis and simulations to evaluate system performance, reliability and technical feasibility.
Support testing, validation, qualification, FAT, STP, commissioning, troubleshooting and production build activities as needed.
Work with component suppliers, manufacturing quality and operations to ensure products meet design requirements.
Support product transfer activities, including design package review, BOM structure, routing readiness, documentation gaps, first build support and issue closure.
Analyze and optimize purification processes to enhance efficiency, reduce energy consumption and minimize environmental impact.
Prepare detailed technical documentation, including engineering drawings, design specifications, test reports, build records, engineering summaries and issue trackers.
Support implementation of engineering change, drawing updates, production configuration control and continuous improvement initiatives.
Stay updated with the latest advancements in gas purification technologies and contribute to continuous improvement initiatives.
What We Seek:
Bachelor's or master’s degree in mechanical engineering or a related field.
5-8 years of experience preferred in mechanical engineering with a Bachelor’s degree; or 3-6 years of relevant engineering experience with a Master’s degree.
Proficiency in SolidWorks CAD software and simulation tools (e.g., SolidWorks Simulation, ANSYS).
Strong analytical and problem-solving skills, with the ability to troubleshoot complex systems and processes.
Hands-on experience troubleshooting mechanical, process, test, or system integration issues during assembly, testing, or commissioning.
Excellent verbal and written communication skills, with the ability to convey technical information clearly and concisely.
Experience with SAP ERP systems, especially BOMs, routings and documentation.
Proficiency in Microsoft Office tools.
Ability to work effectively in a collaborative team environment and manage multiple projects simultaneously. Advises and mentors less experienced engineers.
Ability to prioritize workload and self-manage projects, handle multiple tasks and meet strict deadlines.
Detail-oriented and strong problem solving and decision-making skills with the ability to troubleshoot complex systems and processes.
Experience working in a global company with cross-site collaboration.
A proactive mindset with a passion for innovation and sustainability.
Draftsight/AutoCAD 2D CAD experience is a plus.
Outstanding Candidates Will Have:
Technical Expertise: Deep understanding of mechanical systems engineering principles and purification technologies, with hands-on experience in design and systems optimization, complemented by advanced analytical and simulation capabilities. Advanced understanding of fluid dynamics. Experience with process simulation software.
Adaptability: Ability to adapt to new challenges and technologies and a willingness to learn and grow within the role.
Attention to Detail: Meticulous attention to detail in design, testing and documentation to ensure high-quality outcomes.
Key Success Factors:
Adherence to project schedules and timely completion of design, testing and implementation phases.
The thoroughness and clarity of documentation produced, ensuring it meets industry standards and is useful for future references.
Contributions to the development of new technologies or improvements to existing systems.
Effective teamwork and communication with other cross functional teams, global engineering and stakeholders.
What We Offer:
At Entegris, we invest in providing opportunities for our employees and promote from within. The new hire in this role will have the potential to grow and create relationships across the organization and be recognized for demonstrated success and adherence to company PACE values.
Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals.
Competitive Contractual and Profit-Sharing Bonuses: Rewarding your hard work and dedication.
Comprehensive Health Insurance: Tailored packages to meet your individual needs.
Generous Paid Public Holidays: Enjoy 17 days off to celebrate and relax.
Empowering PTO Policy: Take the time you need to recharge and come back refreshed.
Education Assistance: Support for your continuous learning and development.
Values-Driven Culture: Work with colleagues who embody People, Accountability, Creativity and Excellence.
Skills Required
- Bachelor's or Master's degree in Mechanical Engineering or related field
- 5-8 years (Bachelor's) or 3-6 years (Master's) of relevant mechanical engineering experience
- Proficiency in SolidWorks CAD
- Experience with simulation tools (SolidWorks Simulation, ANSYS)
- Hands-on troubleshooting of mechanical, process, test, or system integration issues during assembly, testing, or commissioning
- Experience with SAP ERP systems including BOMs, routings and documentation
- Proficiency in Microsoft Office
- Ability to manage multiple projects, prioritize workload, and meet strict deadlines; mentor less experienced engineers
- DraftSight/AutoCAD 2D CAD experience
- Advanced understanding of fluid dynamics and experience with process simulation software
Entegris Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Entegris and has not been reviewed or approved by Entegris.
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Fair & Transparent Compensation — Pay is considered competitive or slightly above industry standards in several roles, with some calling compensation very fair or great. Feedback suggests overtime opportunities in certain manufacturing roles further enhance earnings.
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Retirement Support — Retirement programs feature a strong company 401(k) match and additional savings vehicles that employees value. Feedback suggests these offerings meaningfully bolster total compensation.
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Leave & Time Off Breadth — Time-off policies are described as good, with PTO that can increase with tenure and unlimited PTO available in some roles. Paid parental leave and holidays add to the overall breadth.
Entegris Insights
What We Do
Artificial intelligence, augmented reality, Internet of Things – these are not just trends, they are drivers changing the way people live across the globe. With these new drivers and the increasing speed of innovation, there comes an expectation for higher-quality, higher-performing technologies at a faster pace. Every day, and for more than 50 years, Entegris’ singular mission has been to help customers utilize our advanced science-based solutions to support demand drivers; to innovate faster and more efficiently; and ultimately to transform the world. Through the power of our solutions and technology expertise, Entegris provides customers with innovative, science-based solutions to their toughest technology challenges. Headquartered in Billerica, Massachusetts, Entegris employs approximately 5,800 people worldwide, with roughly half employed in Asia-Pacific or Europe. With research and development, customer service, analytical labs, and manufacturing in Asia-Pacific, North America and Europe, Entegris supports customers around the globe as they take technology to the next level.








