RF Design & Simulations Engineer

About Orion Edge

We are an agile, early-stage startup in a rapid growth phase, developing next-generation electronic warfare (EW) and digital disruption equipment. Our mission is to deliver cutting-edge capabilities to the modern warfighter on Edge is currently delivering systems to the US Army and USSOCOM, and we are scaling quickly to support the broader Department of Defense (DoD). If you thrive in a fast-paced environment where your work directly impacts national security and you have the opportunity to scale your career with a growing company, you belong here.

We are an agile, early-stage startup in a rapid growth phase, developing next-generation electronic warfare (EW) and digital disruption equipment. Our mission is to deliver cutting-edge capabilities to the modern warfighter on Edge is currently delivering systems to the US Army and USSOCOM, and we are scaling quickly to support the broader Department of Defense (DoD). If you thrive in a fast-paced environment where your work directly impacts national security and you have the opportunity to scale your career with a growing company, you belong here.

As an RF Design & Simulations Engineer at Orion Edge, you will define the electromagnetic behavior of our systems before a single board is fabricated. You will architect and simulate the amplifiers, filters, matching networks, antennas, and transitions that make up our transmit and receive chains, and you will be accountable for the correlation between what the model predicts and what the hardware actually does.

This role sits at the front of our hardware development cycle. You will work in Keysight ADS and Ansys HFSS to explore, optimize, and de-risk designs; hand validated geometries to our RF PCB Design Engineer; and then follow the design into the lab to prove it on a network analyzer. Every model you build should get more accurate because of the measurement that came before it.

If you want ownership of RF performance from first principles through fielded hardware, and you want that cycle measured in weeks rather than years, this is your team.

Bachelor of Science (B.S.) in Electrical Engineering, Electromagnetics, Physics, or a closely related technical field. M.S. in RF/microwave engineering or applied electromagnetics preferred.

• Circuit Design & Simulation: Utilize Keysight ADS for schematic capture, linear and nonlinear circuit simulation, harmonic balance analysis, and planar EM simulation of amplifiers, filters, and matching networks.
• 3D Electromagnetic Modeling: Use Ansys HFSS to model and optimize complex 3D structures, including antennas, waveguide transitions, RF connectors, enclosures, and cavity resonances.
• Performance Optimization: Analyze and optimize S-parameters, gain, noise figure, linearity, and power efficiency across targeted frequency bands and operating conditions.
• EM Co-Simulation: Perform layout-to-circuit EM co-simulation to verify that physical layouts match theoretical models prior to fabrication, and identify parasitic, coupling, and resonance risks before committing to a build.
• Simulation-to-Hardware Transition: Transition designs from simulation into hardware and lead lab validation of prototypes using vector network analyzers, spectrum analyzers, signal generators, power meters, and oscilloscopes.
• Model Correlation: Systematically correlate simulated results against empirical measurement, root-cause the deltas, and feed those corrections back into the modeling approach so future designs converge faster.
• Cross-Disciplinary
  
  Collaboration:
  
  Partner with PCB layout, digital/FPGA, firmware, and mechanical engineers to ensure RF requirements survive integration into a complete, environmentally hardened system.
• Requirements & Budgets: Develop RF requirements, link and cascade budgets, and feasibility analyses that inform system-level architecture decisions.

• Professional
  
  Experience:
  
  Minimum of 3 years of hands-on RF/microwave circuit design and electromagnetic simulation experience.
• Tool Proficiency: Strong proficiency in both Keysight ADS and Ansys HFSS, including harmonic balance, planar EM (Momentum/RFPro), and 3D full-wave solver setup, meshing, and convergence practice.
• Electromagnetics Foundation: Deep understanding of electromagnetics, transmission line theory, and RF/microwave circuit design principles, including impedance matching, resonance, and coupling behavior.
• Simulation-to-Measurement Correlation: Demonstrated experience correlating simulated EM results with real-world empirical lab measurements and using that correlation to tune and improve future models.
• Lab
  
  Competency:
  
  Hands-on proficiency with RF test equipment, including VNA calibration and de-embedding, spectrum analysis, and noise figure and power measurement.
• Component-Level Design: Practical experience designing and optimizing at least two of the following: low-noise amplifiers, power amplifiers, filters, matching…