
Khalil Elhaj
RF/Microwave Engineer
Salary / Daily rate
New York, NY, USA
Freelance, open to permanent contract
Skills
Languages
About me
Intro
RF/Microwave Engineer with hands-on experience in RFIC design, antenna development, and electromagnetic simulation using HFSS and COMSOL. Proven track record of optimizing designs for real-world applications and achieving 20% efficiency improvements in complex systems. Ready to deliver precise RF solutions from concept to testing.
Work experience
RF/Microwave Engineering Intern
Viasat
Jun 2025 - Oct 2025
5 months
Phoenix, AZ, USA
• Modified and Simulated RFIC design using HFSS 3D layout for Monte Carlo simulations for optimization of Via placement and layer etching • Designed and simulated Resonators for custom frequency output to measure permittivity as well as loss tangent for dielectrics • Developed and tested a radome using HFSS to shield a phased array antenna while minimizing propagation loss
Associate RF/Microwave Engineering Intern
TTM Technologies
Jan 2025 - May 2025
5 months
Syracuse, NY, USA
• Utilized a PNA to prepare AFR boards for De-embedding as well as time domain analysis • Modified and simulated Coupler schematic designs to meet specifications using Ansys HFSS and PathWave RF Synthesis (Genesys) • Used MATLAB to correlate simulated designs with test data, adjusting simulations to account for real world electro magnetic effect
Electronic Imaging Center Research Assistant
New Jersey Institute of Technology
May 2024 - Jul 2024
3 months
Newark, NJ, USA
• Designed and simulated custom microstrip patch antenna using COMSOL Multiphysics • Simulated Branch-Line Coupler using COMSOL Multiphysics then fabricated and tested S parameters using Copper Mountain Technology VNA software • Researched microwave probe antenna for cost-effective near-field design for material characterization using C-band
Green Tech Sensor Lab Research Assistant
New Jersey Institute of Technology
May 2023 - Dec 2023
8 months
Newark, NJ, USA
• Developed solutions to optimize offshore wind power generation farms using system engineering principles, resulting in increased efficiency and reduced operational costs by 20%. • Prepared weekly reports on financial optimization strategies for offshore wind power, conducting detailed cost-benefit analyses that identified $200,000 in potential savings in logistics annually. • Conducted statistical analysis in wind power storage systems and long-range power transportation, which led to adoption of new transportation methods, resulting in a 15% increase in power storage/transmission efficiency.
Education
New Jersey Institute of Technology
Bachelor of Science - BS
2020 - 2024
3 years 9 months
Passaic County Technical-Vocational Schools
High School Diploma
2016 - 2020
3 years 11 months