RF Design Engineer II

Prattwhitney; Tewksbury (MA); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Relocation assistance

Benefits package

Job summary

RTX seeks an electrical engineer specializing in RF design to develop microwave components, AESA systems, and associated CCAs for defense applications. You will test MMICs and modules, support production, and contribute to phased array integration in a fast-paced environment.

The role is onsite in Massachusetts (Andover, Tewksbury, or Marlborough); relocation assistance is available and a DoD security clearance is required. Strong testing and simulation skills are essential for success.

Qualifications

• Typically requires STEM degree with 2+ years experience or an advanced degree
• Experience in Microwave/RF system analysis, design and/or test
• Experience with electromagnetic simulation tools and numerical analysis
• Experience performing basic RF calculations and cascaded analysis
• Strong hands-on microwave testing skills

Responsibilities

• Design RF microwave components and phased array applications
• Develop insights in RF/Microwave knowledge for new concepts
• Design and test MMIC or module products and test fixtures
• Integrate and test component- and system-level phased array hardware
• Some travel to integration sites and supplier facilities may be required

Skills

RF design theory

Microwave/RF system analysis

Electromagnetic simulations

Matlab

Circuit testing

Education

Bachelor’s degree in STEM

Tools

HFSS

ADS

CST

Genesys

Cadence Virtuoso

Mentor Graphics Xpedition

Job description

Date Posted: 2026-08-18 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 RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

We have an opportunity for an electrical engineer who is seeking to utilize their strong academic background and experience in RF Design theory and design and testing, 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 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.

This is an onsite position at one of the following Massachusetts locations - Andover, Tewksbury, or Marlborough. Location assignments will be made based on business or program need.

What You Will Do

• Design of RF microwave components and phased array applications
• Develop insights that extend your knowledge in the RF/Microwave field and form the basis of new concepts, theories, and products
• Design and/or test MMIC or module products and test fixtures at RF/microwave frequencies
• Integration and test of component level and system level phased array hardware
• Some travel to integration sites, plus customer and subcontractor facilities, may be required

Qualifications

You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience or an Advanced Degree in a related field
• Experience in Microwave/RF system, subsystem and/or component analysis, design and/or test
• Experience with an electromagnetic simulation tool such as HFSS, ADS, CST, Genesys and Mentor Graphics’ Xpedition Cadence Virtuso, and an analytical tool such as Matlab
• Experience performing basic RF calculations and Cascaded Analysis

We Value:

• Background designing and testing analog CCAs, including frequency conversion, automatic gain control, amplifier design and analog filter design
• Experience in electrical interconnects and transmission line design
• Understanding of RF layout techniques from HF to X-Band
• Understanding of EMI analysis and mitigation techniques
• Propensity for learning through self‑study and being comfortable in a multi‑tasking environment
• Excellent written and oral communication skills
• Understanding of allocating and flowing down requirements from the system to the component level
• Experience designing RF/Microwave MMIC circuits, modules or test fixtures
• Experience with GaAs and/or GaN MMIC devices
• Experience with integrated circuit layout and physical verification using Cadence Virtuoso software tools
• Familiarity with semiconductor processing and concepts, e.g. technologies like GaAs, GaN, SOI
• 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)
• Experience in technical writing, proposal writing, and oral presentations
• Master’s degree in Electrical Engineering OR PhD degree in Electrical Engineering is a plus

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligible - relocation assistance is available for this position.

The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels.

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
• 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.

Other Information

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 Employer

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.

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.