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# Sr Principal Antenna Microwave Engineer

- **Company:** RTX
- **Location:** Tewksbury, MA, United States
- **Experience:** Expert
- **Salary:** $132,400.0 - $251,600.0
- **Contract:** Contract
- **Skills:** Business Analytics Applications, Network Analysis, MATLAB, Subsystems, Component Analysis, Hfss, Mentor Graphics
- **Published:** August 5, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3338249889&tx=JK5549FFL&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

Active and transferable U.S. government issued security clearance is required prior to start date.?, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, We have an opportunity for a Senior Principal Electrical Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs). The successful candidate will employ their working knowledge of Circuit Card Assemblies (CCAs) and analytical skills in electromagnetic and microwave theory., * Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of ten years of prior relevant experience to include any combination of the following:

 * Microwave/RF system, subsystem and component analysis, design and test
 * Experience with electromagnetic simulation tools such as HFSS, ADS, CST, Mentor Graphics' Xpedition and analytical tools such as Matlab, * Background designing and testing analog CCAs, including frequency conversion, automatic gain control, amplifier design and analog filter design
 * Understanding of allocating and flowing down requirements from the system to the component level
 * Knowledge of cost estimating, plus budget and schedule management
 * Strong academic background that includes courses in: Microwave Engineering, Microwave Systems, Electromagnetic Theory and Radar Systems
 * Strong hands on experience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs)

## Description

Responsibilities include design and hands-on testing of microwave components, cards and systems plus providing technical support to production activities. Team leadership skills including cost and schedule management plus proposal writing and presentation experience are desired.

The Antenna and Microwave Department provides innovative and affordable solutions to our customers in all business areas. We are responsible for designing phased array antenna systems including active and passive microwave components, radiators, radomes and a variety of RF subassemblies. We develop new technologies for advanced capabilities and provide support to all life-cycle phases of the best radar systems in active worldwide deployments and grow our people with exciting new challenges, on-the-job training, mentoring and purposeful rotations.

This is an onsite position in Tewksbury, MA

What You Will Do

 * Design of RF microwave components and phased array applications
 * Integration and test of component level and system level phased array hardware
 * Lead roles dependent on experience and career goals. Leads are responsible for cost and schedule for a program and interface with other IPTs and functions to coordinate program activities. Other leads are responsible for technical direction and coordinating stake holders in technical decisions.
 * Some travel to integration sites, plus customer and subcontractor facilities, may be required.


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