Junior RF Engineer: Wireless & Antenna Tuning

Ei Electronics; Shannon; On-site; EUR 40,000 - 55,000; Full time

Job summary

Ei Electronics is seeking a motivated Junior RF Engineer to join our engineering team in Shannon, Ireland. You will support RF design, testing, validation, and optimization across our wireless product portfolio.

This role offers hands-on experience with antenna tuning, laboratory measurements, and regulatory compliance while collaborating with RF, Hardware, Firmware, and Validation engineers to deliver robust wireless solutions for life safety and connected home products.

Qualifications

• A degree in Electronic, Telecommunications, Electrical Engineering, or a related discipline.
• Minimum two years’ of practical experience with electronic hardware and laboratory equipment gained through employment, an internship, a placement, or an academic project.
• Proficient in hands-on soldering and PCB rework.
• Ability to work with small surface-mount components, including 0603 and 0402 packages.
• Strong analytical, troubleshooting, and problem-solving skills.
• Good technical documentation and communication skills.
• A proactive approach and a strong commitment to developing specialist RF expertise.

Responsibilities

• Support RF engineering activities across product development, testing, validation, and high-volume manufacturing.
• Perform RF measurements using spectrum analysers, vector network analysers (VNAs), signal generators, power meters, oscilloscopes, and other laboratory equipment.
• Set up, maintain, and troubleshoot RF test configurations, fixtures, cables, and laboratory equipment.
• Assist with RF design validation, performance characterisation, and wireless product verification.
• Support antenna testing, matching, tuning, and RF performance optimisation.
• Conduct RF measurements in both conducted and radiated test environments, and accurately document the results.
• Investigate unexpected results and contribute to root-cause analysis.
• Perform RF PCB modifications, component replacements, and matching-network updates as required.
• Carry out PCB soldering and rework, including work on small surface mount components.
• Support EMC pre-compliance testing, regulatory assessments, and external certification activities.
• Prepare technical reports, maintain laboratory records, and clearly document engineering findings.
• Collaborate with RF, Hardware, Firmware, Validation, Compliance, and Manufacturing teams throughout the product development lifecycle.

Skills

RF fundamentals

Soldering & PCB rework

Analytical & troubleshooting

Documentation & communication

SMT components (0603/0402)

Education

Bachelor's degree in Electronic/Telecommunications/Electrical Engineering or related

Tools

VNAs

Oscilloscopes

Spectrum analysers

Power meters

Signal generators

Job description

Ei Electronics is seeking a motivated Junior RF Engineer to join our engineering team in Shannon, Ireland. You will support RF design, testing, validation, and optimization across our wireless product portfolio.

This role offers hands-on experience with antenna tuning, laboratory measurements, and regulatory compliance while collaborating with RF, Hardware, Firmware, and Validation engineers to deliver robust wireless solutions for life safety and connected home products.