Application Engineer

About RFHIC US Corporation

RFHIC US Corporation designs and manufactures RF amplifiers and modules, primarily for Radar, Wideband, Wireless infrastructure, Satellite, Broadcasting, and CATV.

RFHIC US Corporation is an ITAR-registered and ISO9001-certified company. We support customers globally across various industries, including telecom, defense/aerospace, semiconductor, food processing, medical device, clean energy, and many more.

We have openings for Application Engineer in the Research Triangle Park area of North Carolina.

The following will help you understand what it is like to work with RFHIC team members.

• We believe that power should lie in the reasoning, not in the position, of the individual.
• Flexibility in playing different roles is required. We are looking for an Application Engineer who is excited to wear different hats.
• We do not wait for the resources to show up to solve the problem. We are willing to become the resource.
• Goal-oriented flexible hours are good. Flexibility should also work for an individual’s personal needs as well. But our pursuit of excellence eliminates any misuse of this concept.

We are seeking a highly motivated individual to join our team as an Application Engineer.

Position Summary

We are seeking an Application Engineer to support customer-facing technical activities related to RF and microwave products and systems. This position will work closely with engineering, sales, manufacturing, and customers to review technical requirements, respond to inquiries, support business development, and coordinate technical issues throughout the product lifecycle. The role also includes hands-on activities such as in-house product assembly, integration, testing, troubleshooting, and customer field support.

The ideal candidate will have a solid engineering foundation, strong communication skills, and the ability to work between customers and internal R&D teams. This is a good opportunity for an early-career engineer who is interested in gaining exposure to both technical engineering and customer/project support.

Responsibilities

• Review customer specifications, SOW, RFPs, and technical requirements.
• Assist in determining product suitability and identifying technical gaps or clarification items.
• Support preparation of quotations, technical proposals, datasheets, and other related documentation.
• Communicate with customers regarding technical questions, specifications, schedules, and product information.
• Coordinate with internal engineering and manufacturing teams to obtain technical information and resolve customer questions.
• Support customer meetings, technical discussions, and PDR/CDR presentations.
• Assist with troubleshooting of RF/microwave products and systems.
• Perform hands-on in-house assembly, integration, and testing of RF/microwave products, modules, and systems.
• Support RMA, failure analysis, corrective-action, and customer issue tracking activities.
• Support product demonstrations, customer visits, installations, commissioning, troubleshooting, and other onsite technical support activities.
• Provide general technical support to sales and business-development activities as needed.
• Limited travel required (10%+).

Required Qualifications

• Strong written and verbal communication skills.
• Professional proficiency in Korean, with the ability to communicate effectively both verbally and in writing.
• Ability to communicate technical information clearly to both engineering and non-engineering audiences.
• Strong organizational skills and ability to manage multiple customer requests and projects simultaneously.
• Comfortable working across engineering, manufacturing, sales, and customer organizations.
• Proficiency with Microsoft Office.
• Ability and willingness to learn RF power amplifier products, systems, and applications.
• Willingness to travel occasionally for customer meetings, installations, troubleshooting, or technical support.

Preferred Qualifications

• Basic understanding of RF and microwave concepts.
• Internship, coursework, or hands-on experience involving RF/microwave systems, wireless communications, radar, test equipment, or electronics.
• Familiarity with RF test equipment such as signal generators, spectrum analyzers, network analyzers, power meters, and oscilloscopes.
• Experience with technical customer support, application engineering, project coordination.
• Familiarity with GaN devices.

Education Requirement

• Bachelor’s degree in any engineering field.

Legal Requirement

• US Citizen or Green Card Holder ONLY (to support ITAR / Federal business).

Compensation

• $75K - $85K per year
• Employer-sponsored retirement plan
• Dental/Health insurance
• Paid time off

*We are looking for a team member who can make our customers smile and feel confident in our support for their needs. This is a great opportunity to grow your career at a rapidly growing company that is recognized as a leader in its market.