RF Simulation Engineer for Next-Gen Defense Systems

Defense Search; Harvard (MA); On-site; USD 115,000 - 175,000; Full time

Job summary

Defense Search in Harvard, MA is seeking an RF Simulation Engineer to advance electromagnetic modeling for high-reliability RF/microwave components.

The role focuses on simulation-to-hardware correlation, material effects, and cross-functional collaboration with design and test teams. Candidates should have HFSS/CST/Sonnet and strong filter theory knowledge. On-site work from 8:00 AM to 5:00 PM.

Qualifications

• Bachelor's or Master's degree in Electrical Engineering, Physics, or a related field.
• 3+ years of RF/microwave simulation experience.
• Experience with HFSS, CST, Sonnet, Microwave Office, or equivalent.
• Solid understanding of RF and microwave filter theory (Butterworth, Chebyshev, elliptic).
• Proficiency in MATLAB or Python for post-processing.

Responsibilities

• Developing and executing electromagnetic simulation models for RF components.
• Using simulation tools such as HFSS, CST, Sonnet, or equivalent platforms.
• Analyzing ferrite performance under material shifts and thermal effects.
• Collaborating with design engineers to optimize topologies for insertion loss, return loss, and stopband rejection.
• Supporting prototype builds by generating simulation-to-hardware correlation analysis.
• Documenting simulation methodologies, assumptions, and results for design reviews.
• Interfacing with test teams to validate simulation models against measured data.
• Contributing to design of experiments and sensitivity analyses.
• Supporting multiple projects at a time in a fast-paced RF engineering environment.
• Running simulations and providing design support as needed.
• Supporting new product development efforts for RF components, filters, amplifiers, frequency converters, and related technologies.

Skills

RF simulation

HFSS CST Sonnet

MATLAB Python

Filter theory

Education

Electrical Engineering or Physics degree

Tools

HFSS

CST

Sonnet

Microwave Office

Job description

Defense Search in Harvard, MA is seeking an RF Simulation Engineer to advance electromagnetic modeling for high-reliability RF/microwave components.

The role focuses on simulation-to-hardware correlation, material effects, and cross-functional collaboration with design and test teams. Candidates should have HFSS/CST/Sonnet and strong filter theory knowledge. On-site work from 8:00 AM to 5:00 PM.