Senior Application Engineer – UHP Regulators / Gas Handling Equipment

Confidential; Napa (CA); Remote; USD 120,000 - 180,000; Full time

Job summary

A respected European manufacturer is seeking a Senior Application Engineer specializing in ultra-high-purity regulators. The ideal candidate will leverage 8+ years of experience in UHP gas systems to provide technical expertise and customer support. This role involves evaluating customer requirements, conducting technical training, and collaborating with engineering teams. Candidates must have a degree in a relevant field and strong communication skills. This full-time position offers the flexibility to work remotely within the United States.

Qualifications

• 8+ years of experience in ultra-high-purity gas systems.
• Knowledge of pressure regulator mechanics and design principles.
• Experience supporting OEMs or integrators in technical roles.

Responsibilities

• Act as U.S. subject matter expert for UHP regulators.
• Provide integration support for customer applications.
• Conduct technical consultations and training sessions.
• Collaborate with sales teams on technical proposals.
• Support OEMs, integrators, gas distributors, and end-users with design-in and reviews.
• Conduct on-site or remote technical consultations, training, demos, and troubleshooting.
• Maintain relationships with key accounts and assist in product qualification and tests.
• Collaborate with sales to develop technical proposals and respond to RFQs.
• Coordinate with European R&D to relay U.S. requirements for new products.
• Participate in performance testing, validation, and benchmarking.
• Provide feedback on market trends and competitive technologies.
• Mentor junior engineers and sales staff on UHP topics.
• Support quality, operations, and supply-chain teams on UHP questions.

Skills

UHP gas systems expertise

Communication skills

Technical support experience

Problem-solving

Education

Bachelor’s or Master’s degree in Mechanical, Chemical, Materials Engineering

Job description

Position Title: Senior Application Engineer (Ultra-High-Purity Regulators)

Location: California (preferred) or Open/Remote within the United States

Department: Applications Engineering / Technical Sales Support

Company Overview

Our client is a respected European manufacturer of high‑purity gas control technologies with an established global presence. As the company expands its operations in the United States, it is building a dedicated technical team to support customers in semiconductor manufacturing, specialty gas handling, pharmaceuticals, and advanced materials.

This role offers the opportunity to represent a technologically advanced product portfolio while collaborating closely with engineering teams across the U.S. and Europe.

Position Overview

The Senior Application Engineer will serve as the primary technical expert for UHP pressure regulators and related high‑purity gas components in the U.S. This position combines advanced engineering knowledge with direct customer support, product integration guidance, and application development responsibilities. The ideal candidate has extensive experience in UHP gas systems and excels in solving complex technical challenges in customer environments.

Key Responsibilities

• Act as the U.S. subject matter expert for UHP regulators and high‑purity gas control components.
• Provide regulator selection, sizing, configuration, and integration support for customer applications.
• Evaluate customer process requirements and recommend solutions aligned with performance, materials, and contamination‑control standards.
• Conduct root‑cause analysis to resolve regulator performance or system integration issues.
• Support semiconductor OEMs, integrators, gas distributors, and end‑users with design‑in assistance and application reviews.
• Conduct on‑site (or remote) technical consultations, training sessions, product demonstrations, and troubleshooting.
• Build and maintain strong technical relationships with key accounts, participating in product qualification and performance verification activities.
• Partner with sales teams to develop technical proposals and respond to RFQs.
• Collaborate with European R&D teams to communicate U.S. customer requirements and support new product introductions.
• Participate in performance testing, validation activities, and application benchmarking.
• Provide structured feedback on market trends, application challenges, and competitive technologies.
• Provide technical mentorship to junior engineers and sales personnel in the U.S.
• Support quality, operations, and supply‑chain teams with UHP‑related questions and improvements.
• Contribute to the development of application notes, technical documentation, and best‑practice guidelines.

Required Qualifications

• Bachelor’s or Master’s degree in Mechanical, Chemical, Materials Engineering, or a related field.
• 8+ years of experience working with ultra‑high‑purity gas systems, pressure regulators, or precision flow control components.
• In‑depth knowledge of:
  • UHP regulator mechanics and design principles
  • Pressure and flow dynamics
  • Cleanliness and contamination‑control standards (CGA, SEMI, etc.)
  • Materials compatibility, surface finish requirements, and proper component selection
  • Helium leak testing and UHP performance verification methods
• Strong experience supporting OEMs, integrators, or end‑users in technical roles.
• Excellent communication skills and ability to articulate complex concepts clearly.

Seniority Level: Mid‑Senior level

Employment Type: Full‑time

Job Function: Engineering, Sales, and Customer Service

All applicants are encouraged to read and follow the Equal Employment Opportunity guidelines provided by the company. The position is open to qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected class.