Senior RF Design Engineer

RTX

Electrical engineer specializing in RF Design and testing for aerospace and defense. Involves design of microwave components and phased array applications, along with hands-on testing and integration.

Posted 6/17/2026full-timeTewksbury • Massachusetts • 🇺🇸 United StatesSenior💰 $86,800 - $165,200 per yearWebsite

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
Experience in Microwave/RF system, subsystem and component analysis, design and test.
Experience with electromagnetic simulation tools such as HFSS, ADS, CST, Genesys and Mentor Graphics’ Xpedition Cadence Virtuso, and analytical tools such as Matlab.
Experience performing basic RF calculations and Cascaded Analysis.
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.

Benefits

Comp & perks

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

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

RF microwave components designMMIC design and testingphased array applicationselectromagnetic simulationRF calculationsCascaded Analysisanalog CCA designtransmission line designRF layout techniquesmicrowave testing techniques

Soft Skills

self-studymulti-taskingwritten communicationoral communicationtechnical writingproposal writingpresentation skills