Python Developer Internship Jobs in Johnson City, TN

Opportunity

We are seeking a highly driven, knowledgeable, and experienced RF Systems Engineer to help Kintronic Labs grow and expand into emerging RF markets. This role is intended for a mid-career engineer who enjoys hands-on work, technical problem-solving, and customer interaction.

This is a long-term opportunity for someone who loves learning, takes ownership of projects, and wants to work directly with senior engineers who are recognized experts in low- and mid-frequency RF systems.

Duties and Responsibilities

• Correspond with customers regarding RF system projects
• Design and price RF parts and systems and write project proposals
• Remotely coordinate and manage project details to support customer installations
• Work with draftsmen and mechanical designers to generate 2D drawings and 3D CAD models
• Collaborate with the President and senior engineers to develop RF products for broadcast, industrial, and defense applications
• Participate in RF hardware prototyping and proof testing
• Test and document manufactured systems prior to shipment
• Support inside sales by answering technical questions
• Participate in selected domestic and international exhibitions
• Travel domestically and internationally on occasion

Required Qualifications

• U.S. Citizenship (required)
  (Due to the nature of our customers and projects, we are unable to sponsor visas or hire non-U.S. citizens.)
• Bachelor’s degree in Electrical Engineering, Electronic Engineering, or Physics
  (from an ABET-accredited institution; physics degree must include a strong focus on electromagnetics)
• Minimum of 5 years of relevant, full-time engineering work experience
  (This role is not intended for students, interns, or recent graduates.)
• Demonstrated initiative and ability to work independently on complex technical projects
• Strong written and verbal communication skills

Preferred Qualifications

• 5–10+ years of experience in RF systems, antennas, or related electromagnetic systems
• Strong laboratory and hands-on hardware skills
• Experience using RF test instruments (VNA, signal generator, oscilloscope, spectrum analyzer, etc.)
• Experience with circuit design and multiphysics modeling tools
  (e.g., LTSpice, Ansys HFSS, COMSOL, CST, or similar)
• Enjoys hands-on development, testing, and characterization of RF hardware
• Experience writing code in Python or other technical scripting languages
• Prior experience supporting customer-facing engineering projects

Important Applicant Notes

• This position is not open to students, interns, or candidates who have not yet graduated.
• This position requires U.S. citizenship. Applicants who do not meet this requirement will not be considered.
• We do not offer visa sponsorship for this role.

About Kintronic Labs

Kintronic Labs is a third-generation, family-owned small business that has been operating continuously for over 70 years. We are a global leader in custom low-frequency antenna systems for VLF, LF, Medium Wave (AM), and selected HF communications.

We design and manufacture terrestrial broadcast and communications antenna systems using in-house developed software tools to help customers reach vast populations through new digital content delivery technologies. Our work is exciting (high voltage, high power), technically challenging, and highly impactful—especially for developing countries and mission-critical military applications. Every project is unique.

Our core markets include broadcast and LF/VLF military systems, and we are rapidly expanding into industrial RF markets. We serve customers in all 50 U.S. states and more than 80 countries on six continents.

Kintronic Labs is located in the beautiful hills of East Tennessee, in the Tri-Cities area (Bristol, Kingsport, Johnson City). The region offers a low cost of living and outstanding access to outdoor recreation including hiking, kayaking, fishing, mountain biking, and more.