sellina

Antenna and Microwave Engineer with 10+ years of experience specializing in compact antenna design, microwave component simulation, and RF system integration for IoT, defense, aerospace, and satellite communications.

Experience

Senior RF & Antenna Design Consultant (Freelance)
Remote • 2019 – Present

• Delivered 50+ antenna simulation projects for clients in wearables, aerospace, automotive, and robotics
• Designed dual-band 2.4/5 GHz patch antennas for compact smart home modules (80%+ efficiency)
• Built custom optimization scripts for HFSS and CST to accelerate parametric studies
• Advised startup teams on VNA measurement procedures and production tuning techniques
• Developed enclosure-aware embedded antennas with low detuning sensitivity

Microwave Systems Engineer – AstraNav Technologies
Seattle, WA • 2014 – 2019

• Designed phased patch arrays for L-band satellite navigation and tracking
• Simulated and built multilayer hybrid couplers, Wilkinson dividers, and bandpass filters
• Led integration of RF subsystems into ruggedized avionics platforms
• Performed compliance testing (FCC, CE) and environmental tolerance evaluations
• Authored 20+ internal RF design and testing documents

Education

Ph.D. in Electrical Engineering – RF & Electromagnetics
University of Michigan, Ann Arbor • 2014
Thesis: “High-Efficiency Conformal Antennas for Body-Worn and UAV Systems”

B.S. in Electrical Engineering
University of Washington • 2009
Concentration in wireless systems, antenna arrays, and embedded hardware design

Selected Projects

• 5G mmWave Antenna Prototyping (2023):
  Designed 28 GHz patch array antenna on RO3003 for evaluation of 5G CPE devices.
• IoT Tag Antenna with ABS Enclosure (2022):
  Compact 2.45 GHz antenna (17 mm × 8 mm) with 77% efficiency inside plastic housing.
  Delivered S11 plots, efficiency sweep, enclosure modeling, and tuning guide.
• Radiation Pattern Post-Processing Tool (2021):
  Developed Python GUI to load .csv pattern data and generate polar/3D plots and HTML reports.

Certifications & Memberships

CST Advanced Certification – Antenna Design
IEEE Senior Member – Antennas and Propagation Society
Women in Engineering (WIE) – IEEE Member
FEKO User Group Contributor