Principal RF Design Engineer

Our client, a global leader in telecommunications infrastructure, is seeking an accomplished Principal RF Design Engineer to join their advanced research and development division in Pretoria
. This senior role is integral to the innovation and optimization of radio frequency systems, focusing on next-generation wireless technologies. You will be responsible for leading complex RF design projects, mentoring junior engineers, and contributing to the strategic direction of RF product development. The position requires a deep theoretical understanding coupled with practical, hands‑on experience in antenna design, propagation modeling, and RF system performance analysis.

This role offers a compelling hybrid work arrangement, fostering collaboration in our Pretoria facility while providing flexibility for remote work.

• Lead the design, simulation, and optimization of RF components and systems for wireless communication devices and infrastructure.
• Develop novel antenna designs and RF front-end solutions to meet stringent performance requirements.
• Perform detailed RF propagation modeling and interference analysis for cellular networks (4G/5G/Future).
• Conduct rigorous testing and validation of RF designs, ensuring compliance with industry standards (e.g., 3
  
  GPP).
• Collaborate with hardware and software teams to ensure seamless integration of RF solutions.
• Mentor and guide junior RF engineers, fostering their technical growth and development.
• Stay abreast of the latest advancements in RF technology, including new materials, simulation techniques, and testing methodologies.
• Contribute to the strategic planning and road mapping of future RF product development.
• Troubleshoot and resolve complex RF performance issues in lab and field environments.
• Author technical documentation, including design specifications, test reports, and patent disclosures.

• Ph.D. or Master's degree in Electrical Engineering, with a specialization in RF and Microwave Engineering.
• 12+ years of progressive experience in RF design and development within the telecommunications industry.
• Expertise in antenna theory, electromagnetic field simulations (e.g., HFSS, CST), and RF circuit design.
• In-depth knowledge of cellular technologies (GSM, UMTS, LTE, 5G ) and associated RF parameters.
• Proficiency in RF test equipment (e.g., VNA, spectrum analyzers, signal generators) and measurement techniques.
• Strong analytical and problem-solving skills, with a proven ability to tackle complex technical challenges.
• Excellent communication, interpersonal, and leadership skills.
• Experience with mmWave and sub-6GHz frequency bands is highly desirable.
• Familiarity with system-level RF design and co-existence issues.

• Our client provides a highly competitive salary commensurate with experience, a comprehensive benefits package including medical, dental, and vision insurance, and a performance-driven bonus structure. Opportunities for international travel and continuous professional development are abundant. The hybrid work model in Pretoria offers flexibility, and the company culture encourages innovation and collaboration. Join a leading organization at the cutting edge of wireless technology.