At Greene, Tweed, you'll find the cutting-edge technology, world-class polymer expertise and endless advancement opportunities you'd expect from a multi-national industry leader. You'll find them all in an environment that embraces diversity in people and opinions, moves decision making to the point of impact, and celebrates your success.

If you enjoy continuous learning and are excited about working with and creating technological solutions, explore career opportunities with Greene, Tweed.

We are seeking a highly motivated and technically skilled Applications Engineer II to support our growing Semiconductor market alongside our Aerospace and Defense markets. The ideal candidate will have experience in semiconductor manufacturing processes and a strong understanding of sealing technologies used in vacuum, gas delivery, chemical processing, and high-purity applications. This role bridges engineering, sales, product development, and customer focus to deliver innovative sealing solutions that meet demanding semiconductor industry requirements.

Key Responsibilities

• Serve as the primary technical resource for Sales and customers regarding sealing products and applications within semiconductor manufacturing environments.
• Evaluate customer requirements and recommend appropriate sealing solutions, including elastomer seals, O-rings, bonded seals, custom molded components, and advanced sealing materials.
• Collaborate with product development and engineering teams to design, develop, test, and validate new sealing products for end user equipment applications.
• Provide technical support throughout the product lifecycle, including design reviews, qualification testing, failure analysis, and continuous improvement initiatives.
• Conduct root cause analysis and troubleshoot sealing performance issues in field and manufacturing environments.
• Support semiconductor OEMs and end users with product and material selection, installation recommendations, and performance optimization.
• Develop technical documentation, application notes, product specifications, test reports, and customer presentations.
• Partner with sales teams to identify opportunities, support customer visits, and deliver technical presentations.
• Monitor industry trends, emerging semiconductor technologies, materials advancements, and competitive products to support strategic product development.
• Coordinate with manufacturing, quality, and supply chain teams to ensure successful product launches and customer satisfaction.

Required Qualifications

• Bachelor's degree in Mechanical Engineering, Materials Engineering, Chemical Engineering, or a related technical discipline.
• 3+ years of experience in applications engineering, product engineering, or technical support, role.
• Experience using 3D CAD software; Solidworks preferred, knowledge of FEA systems Preferred
• Strong computer literacy, especially in MS Office
• Ability to work in cross-functional team environment
• Effective communication skills with internal and external customers
• Ability to interpret engineering drawings, specifications, and customer requirements.
• Strong analytical and problem-solving skills, including experience with failure analysis and root cause investigations.
• Excellent written and verbal communication skills with the ability to present technical information to customers and internal stakeholders.
• Proficiency with Microsoft Office and engineering software tools.

Preferred Qualifications

• Experience developing custom solutions for semiconductor OEM equipment.
• Understanding of sealing technologies, including O-rings, gaskets, elastomeric seals, engineered polymer seals, and high-purity sealing materials selection for aggressive chemicals, high temperatures, plasma environments, and ultra-high vacuum applications.
• Knowledge of key polymer families including FFKM, FKM, PTFE, PFA, or other advanced sealing materials.
• Familiarity with semiconductor industry standards and contamination control requirements.
• Experience with finite element analysis (FEA) or seal design simulation tools.
• Experience supporting semiconductor equipment manufacturers, wafer fabrication facilities, or semiconductor materials suppliers.
• Working knowledge of semiconductor manufacturing processes, including deposition, etch, lithography, CMP, vacuum systems, gas delivery systems, or wet process equipment.
• Understanding of Design of Experiments (DOE), statistical analysis, and product qualification testing.
• Experience working in cross-functional product development environments.

Competencies

• Customer-focused mindset
• Strong technical aptitude
• Project management and organizational skills
• Ability to work independently and collaboratively
• Continuous improvement orientation
• Effective communication and presentation skills

Travel Requirements

• Ability to travel up to 25% domestically and internationally to support customers, suppliers, and industry events.

Benefits

• Competitive salary and bonus opportunities
• Comprehensive medical, dental, and vision coverage
• 401(k) with company match
• Paid time off and holidays
• Professional development and career growth opportunities

This position offers the opportunity to play a key role in advancing sealing technologies that enable next-generation semiconductor manufacturing.

Required Minimum Qualifications 

• This position requires U.S. Person status as defined by applicable law for authorized access to data controlled under the International Traffic in Arms Regulations (ITAR).  A U.S. Person includes U.S. Citizens, U.S. Nationals, lawful permanent residents, and workers granted refugee or asylum status in the United States.  

Note:  This Job Description in no way states or implies that these are the only duties to be performed by the employee occupying this position.  Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by the Supervisor.  All requirements are subject to change and updates.

We also provide eligible employees with a competitive benefits package that includes health insurance, flexible spending accounts, health savings account, 401k savings plan, life and disability insurance, tuition assistance and more, to meet the diverse needs of all employees and their family members.

Equal Opportunity Employer:

Greene, Tweed is an Equal Opportunity Employer.  Employment decisions are made without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, physical or mental disability, veteran status, or any other federally protected class.

Drug Free Workplace:

Greene, Tweed is a Drug Free Workplace.  Employment is contingent upon successful completion of a pre-employment drug screening and background investigation subject to federal, state, and local laws.

NOTE: Greene, Tweed is not seeking assistance or accepting unsolicited resumes from search firms for employment opportunities, unless they have a written agreement for the position they are contacting us about. Regardless of past practice, all resumes submitted by search firms to any employee at GT without a valid written search agreement in place for that position will be deemed the sole property of Greene, Tweed, and no fee will be paid in the event the candidate is hired by Greene, Tweed as a result of the referral or through other means.

Job Environment:
Physical Requirements:
Standing Occasionally (16-45%)
Sitting Frequently (46-100%)
Lifting Up to 10lbs without assistance
Carrying Up to 10lbs without assistance
Walking Rarely (0-15%)
Hearing Ability to detect noises with or without corrective device(s)
Vision Clarity of vision, with or without corrective lenses
Mental Requirements:
Problem Solving Frequently (46-100%)
Making Decisions Ability to make decisions that have a moderate impact
Supervise Rarely (0-15%)
Interpret Data Frequently (46-100%)
Organize Occasionally (16-45%)
Read/Write Frequently (46-100%)
Communication Frequently (46-100%)
Work Environment
High Temperatures Rarely (0-15%)
Low Temperatures Rarely (0-15%)
Noises Moderate (business office with computers, printers and light office noises)
Fumes Exposure Occasionally (16-45%)

Required Minimum Qualifications 

• This position requires U.S. Person status as defined by applicable law for authorized access to data controlled under the International Traffic in Arms Regulations (ITAR).  A U.S. Person includes U.S. Citizens, U.S. Nationals, lawful permanent residents, and workers granted refugee or asylum status in the United States.  

Note:  This Job Description in no way states or implies that these are the only duties to be performed by the employee occupying this position.  Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by the Supervisor.  All requirements are subject to change and updates.

We also provide eligible employees with a competitive benefits package that includes health insurance, flexible spending accounts, health savings account, 401k savings plan, life and disability insurance, tuition assistance and more, to meet the diverse needs of all employees and their family members.

Equal Opportunity Employer:

Greene, Tweed is an Equal Opportunity Employer.  Employment decisions are made without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, physical or mental disability, veteran status, or any other federally protected class.

Drug Free Workplace:

Greene, Tweed is a Drug Free Workplace.  Employment is contingent upon successful completion of a pre-employment drug screening and background investigation subject to federal, state, and local laws.

NOTE: Greene, Tweed is not seeking assistance or accepting unsolicited resumes from search firms for employment opportunities, unless they have a written agreement for the position they are contacting us about. Regardless of past practice, all resumes submitted by search firms to any employee at GT without a valid written search agreement in place for that position will be deemed the sole property of Greene, Tweed, and no fee will be paid in the event the candidate is hired by Greene, Tweed as a result of the referral or through other means.