Senior RF Electrical Engineer

Position Details

Date Posted: 2026-02-11

Country: United States of America

Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1

Role Type: Onsite

Salary Range: $86,800 USD - $165,200 USD

Security Clearance Requirements

• U.S. Citizen, U.S. Person, or Immigration Status: The ability to obtain and maintain a U.S. government issued security clearance is required
• 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: Active and existing security clearance required after day 1

About the Company

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is looking for a Senior RF Electrical Engineer. The Hardware Engineering Center (HWEC) is an engineering organization that focuses on product producibility and mission assurance. It is a vital link in the integrated product development process that allows Collins Aerospace to introduce reliable new products faster, better, and more economically. The RF / Microwave Section is located in Marlborough, MA and is part of the Collins Aerospace Protected Communications Systems (PCS) business unit. This Section designs and tests RF and Microwave electronic hardware such as frequency references, fixed and agile frequency synthesizers, upcoverters/exciters, downconverters/receivers, low noise amplifiers, and solid state power amplifiers for satellite communication and RADAR systems. Efforts include developing circuits using microstrip/stripline and performing circuit simulations and validation of design models using the Keysight Advance Design System (ADS) and Computer Simulation Technology (CST) at frequencies up to 50 GHz. Our designs satisfy rigorous requirements of Navy, Army, and Air Force programs. The Section also performs technical & cost trade studies, and product selection for commercially available components. All designs incorporate Design for Six Sigma (DFSS) and Design for Manufacturing & Assembly (DFMA) techniques including a high level of simulation and prototyping necessary to validate the simulations and to develop statistical margins.

Responsibilities

• Provide recommendations and solutions to a variety of technical problems of appropriate scope and complexity
• Work independently or in small groups
• Perform design tasks using RF simulation tools
• Accept a requirement specification then develop, simulate, document, support, debug, and test various types of RF/Microwave circuit level / board level designs up to 50 GHz with first pass success
• 5% domestic travel may be required

Qualifications

Must Have

• Experience in simulating microwave circuits (including component & PWB parasitics)
• Must be able to design, simulate, and test RF circuits up to 50 GHz using simulation tools; RF circuits include filters, amplifiers, phase locked loops, mixers, etc.
• Experience with the following RF/Microwave building blocks: Amplifier, Analog-To-Digital Converter (A/D), Attenuator, Digital-To-Analog Converter (D/A), Direct Digital Synthesizer (DDS), Directional Coupler, Frequency Mixer, Lowpass/Bandpass/Highpass Filter, Oscillator, Power Divider, RF Switch, Voltage Controlled Oscillator (VCO)
• Must have a complete understanding of the following RF/Microwave concepts & terminology: dB, d Bm, Bandwidth, EIRP, G/T, Gain, Gain Compression, Intermodulation Products, Noise Figure, Return Loss, Spurious, Third Order Intercept, and VSWR
• Experience using RF/Microwave test equipment such as a Network Analyzer with calibrations kits, Spectrum Analyzer, Signal Generator, RF Power Meter, Oscilloscope
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

Benefits

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• Relocation assistance eligible
• Additional benefits available

About Collins Aerospace

At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow.

Additional Information

• Role Type Note: ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
• Interview Process: As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
• Application Window: 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.
• Employee Referral Eligible: Yes
• This position is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

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, disability, or status as a protected veteran.