nicolai

Experienced RF & Antenna Engineer with over 10 years in the design, simulation, and testing of high-performance antennas, RF subsystems, and microwave circuits for wireless, defense, and IoT applications. Skilled in integrating RF hardware into compact platforms, optimizing PCB-level antenna performance, and validating systems through rigorous lab measurements and compliance testing.

Tools & Equipment

Simulation Software: ANSYS HFSS, CST Studio Suite
Measurement Tools: Rohde & Schwarz ZVL, Keysight PNA-X, Anechoic Chamber
General: MATLAB, MS Office

Professional Experience

Senior RF Engineer
AetherWave Technologies — Athens, Greece
July 2018 – Present

• Led the development of over 30 embedded antennas for LTE, GNSS, Wi-Fi, and Sub-GHz bands
• Designed compact, multi-band antenna modules with integrated matching and filtering for wearable devices
• Performed environmental and enclosure interaction simulations for plastic and metal housings
• Conducted over-the-air testing and SAR compliance preparation for CE/FCC
• Collaborated with mechanical teams for enclosure-integrated antenna positioning

RF & Microwave Design Engineer
Helios Embedded Systems — Thessaloniki, Greece
May 2014 – June 2018

• Developed high-isolation bandpass filters and impedance transformers for 2.4 GHz and 5 GHz Wi-Fi systems
• Designed and tested LNAs and mixers for a portable SDR-based spectrum analyzer
• Contributed to radar front-end design (X-band) and waveguide-to-microstrip transitions
• Produced full technical reports and BOMs for contract manufacturing

Junior Hardware Engineer (Internship)
National Center for Scientific Research “Demokritos” — Athens, Greece
Jan 2013 – Apr 2014

• Supported testing of phased array antenna prototypes
• Assisted in tuning experiments using vector network analyzers and passive probes
• Created scripts in MATLAB for beamforming pattern synthesis

Education

MSc in Wireless Systems & Applied Electromagnetics
Aristotle University of Thessaloniki
2011 – 2013

BSc in Electrical and Computer Engineering
University of Patras
2006 – 2011

Certifications

• Certified RF Design Professional (Microwave Journal Academy)
• CE Marking for RF Devices – TÜV Rheinland Training (2021)