Sr Principal Antenna Microwave Engineer

Prattwhitney; North Tewksbury (MA); On-site; USD 132,400 - 251,600; Full time

Job summary

RTX in US-MA-TEWKSBURY seeks a Senior Principal Electrical Engineer with RF/Microwave system expertise and AESA design experience. You will work on CCAs, and integrate phased array hardware while supporting production.

The role requires a strong academic background and ten years of relevant RF/microwave experience; travel to integration sites may be required, and security clearance is required.

Qualifications

• Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of ten years of prior relevant experience.
• 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.

Responsibilities

• Design and hands-on testing of microwave components, cards and systems.
• Team leadership skills including cost and schedule management plus proposal writing and presentation experience are desired.
• 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.

Skills

RF/Microwave systems

Team leadership

Cost management

Schedule management

Proposal writing

Presentation skills

CCAs design

Education

Bachelor’s in STEM

Tools

HFSS

ADS

CST

Xpedition

MATLAB

Job description

Date Posted: 2026-07-29 Country: United States of America Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Role Summary

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.

Responsibilities

• 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.
• 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 stakeholders in technical decisions.
• Some travel to integration sites, plus customer and subcontractor facilities, may be required.

Qualifications

• Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of ten years of prior relevant experience.
• 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).

What We Offer

• The salary range for this role is 132,400 USD - 251,600 USD.
• Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.
• Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.
• Payments under these annual programs are not guaranteed and are dependent on a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.
• This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
• RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Additional Information

• DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.
• More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm.

Privacy & Policies

Privacy Policy and Terms: the policy and terms.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.