RF/EMI Applications Engineer

Qnity; Sunnyvale (CA); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Qnity, a leading semiconductor materials and solutions provider, seeks an RF/EMI Applications Engineer for a full-time hybrid role in Sunnyvale or Carlsbad, CA. You will support customers with RF/EMI design, analysis, and troubleshooting, applying Qnity’s advanced materials and processes to high-speed electronics.

You will collaborate with product development, sales, and manufacturing to tailor solutions, conduct lab tests, and document best practices.

Qualifications

• Strong Technical Support skills, including diagnosing RF/EMI issues and guiding customers.
• Scripting, data analysis, and automation of test procedures or simulations in RF/EMI applications.
• Solid Electrical Engineering fundamentals with RF design, SI, and EMI mitigation experience.
• Mechanical engineering background related to packaging, thermal management, and integration of RF/EMI solutions.
• Hands-on testing with RF equipment (spectrum/network analyzers), EMI testing, and prototype validation.
• Ability to work in a hybrid environment and present technical findings to diverse stakeholders.

Responsibilities

• Provide technical support to customers on RF/EMI design and integration.
• Analyze RF/EMI performance in electronic systems and document results.
• Conduct lab testing and validation of materials and solutions.
• Document application notes and best practices for customers and internal teams.
• Collaborate with product development, sales, and manufacturing to tailor solutions and assist with design-in activities.
• Support field evaluations and contribute to continuous improvement of tools and methodologies.

Skills

Technical support

Scripting & automation

RF design

Mechanical packaging

RF testing

Customer communication

Education

Bachelor’s or Master’s in Electrical Engineering or related field

Tools

RF simulation tools

Job description

Company Description

Qnity is a premier technology provider serving the semiconductor and advanced electronics value chain, enabling innovation in AI, high-performance computing, and advanced connectivity. The company delivers high-performance materials and integration expertise that support semiconductor chip manufacturing and high-speed transmission in complex electronic systems. Qnity’s solutions help customers bring next-generation devices and systems to market faster and more reliably. Team members collaborate with leading global technology companies on cutting-edge projects in a dynamic, growth-oriented environment. More information about the company, its businesses, and solutions can be found at www.qnityelectronics.com.

Role Description

The RF/EMI Applications Engineer is a full-time, hybrid role based in Sunnyvale, CA or Carlsbad, CA, with flexibility for partial work from home. This role focuses on supporting customers with RF and EMI design, integration, and troubleshooting related to Qnity’s advanced materials and solutions. Day-to-day responsibilities include providing technical support to customers, analyzing RF/EMI performance in electronic systems, conducting lab testing and validation, and documenting application notes and best practices. The engineer will collaborate with cross-functional teams, including product development, sales, and manufacturing, to tailor solutions to customer requirements and assist with design-in activities. The role may also involve supporting field evaluations, assisting in failure analysis, and contributing to continuous improvement of tools and methodologies.

Qualifications

• Candidates should possess strong Technical Support skills, including diagnosing RF/EMI issues, communicating clearly with customers, and providing application-level guidance.
• Candidates should possess relevant Software Development skills for scripting, data analysis, and automation of test procedures or simulations in RF/EMI applications.
• Candidates should possess solid Electrical Engineering skills, with experience in RF design, signal integrity, electromagnetic interference mitigation, and circuit-level analysis.
• Candidates should possess Mechanical Engineering skills related to packaging, thermal management, and mechanical integration of RF/EMI solutions in complex systems.
• Candidates should possess strong Testing skills, including hands-on use of RF test equipment (e.g., spectrum analyzers, network analyzers), EMI compliance testing, and systematic validation of prototypes.
• Bachelor’s or master’s degree in Electrical Engineering, Electronics Engineering, or a related technical field, or equivalent practical experience.
• Experience with semiconductor or advanced electronics industries, particularly high-speed digital, wireless, or high-performance computing systems, is beneficial.
• Ability to work collaboratively in a hybrid environment, manage multiple projects, and present technical findings to both technical and non-technical stakeholders.
• Familiarity with RF simulation tools (e.g., EM field solvers, circuit simulators) and relevant industry standards for EMI/EMC compliance is a plus