Sr. Systems Engineer – RF Engineer

RTX; Aurora (CO); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation eligible

Job summary

RTX is seeking a Sr. Systems Engineer – RF Engineer in Aurora, CO for a DoD program. The role focuses on RF links, antennas, and hardware systems across the full product lifecycle, including analysis, testing, fielding, and customer support.

The position requires an active TS/SCI clearance, strong MATLAB/Python skills, and hands-on experience with RF hardware and lab equipment. On-site work with potential CONUS/OCONUS travel up to 25% is expected.

Qualifications

• Bachelor’s degree in STEM and 5+ years of relevant experience.
• Experience with RF links, antennas, or electronic hardware systems.
• Proficient with MATLAB, Python, HFSS, and data analysis; able to use test equipment.

Responsibilities

• Support analysis, integration, verification, and troubleshooting test activities in lab and field environments.
• Support program activities at CONUS and OCONUS locations up to 25% travel.
• Perform root-cause analysis and implement design changes.
• Prepare and present results in technical reports and briefings to stakeholders.
• Maintain engineering specifications, schematics, and assembly drawings.

Skills

RF communications

MATLAB

Python

Ansys HFSS

Microsoft Office

Education

Bachelor’s Degree in STEM

Tools

Oscilloscopes

Spectrum Analyzers

Signal Generators

Job description

Date Posted: 2026-09-14

Country: United States of America

Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75

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: TS/SCI

Security Clearance Status: Active and existing security clearance required on day 1

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.

We have an exciting opportunity for a Sr. Systems Engineer – RF Engineer supporting one of our premier programs at Raytheon, an RTX Business. The Apertures and RF Team is looking for an RF Engineer to be a member of a technical team supporting adaptable and multidisciplinary hardware systems. The team is responsible for analysis, trade studies, design, design reviews, testing, fielding and hardware refresh, integration, and operational support.

In this role, you will participate in system analysis, trade studies, design, design reviews, testing, fielding, integration, and operational support throughout the product lifecycle, from initial concept definition through detailed design, development, qualification testing, fielding, and customer support. You will support engineering efforts as an individual contributor across a variety of technical activities involving RF communications links and systems, antenna system design, functionality, and operation.

The work is on-site in Aurora, CO, and program support activities may require travel to CONUS and OCONUS locations, not expected to exceed 25%.

What You Will Do

• Support planning and execution of analysis, integration, verification, and troubleshooting test activities in laboratory and operational environments
• Support program activities at CONUS and OCONUS locations
• Support troubleshooting and failure data analysis, including root cause and corrective action processes and the use of laboratory and field test equipment
• Complete and compile detailed performance evaluations using analysis tools such as MATLAB
• Prepare and present results in technical reports and briefings to internal and external stakeholders
• Support engineering activities related to the testing and troubleshooting of hardware
• Support root-cause analysis and implementation of design changes
• Support the maintenance of engineering specifications, including design specifications, analysis requirements documents, schematics, and assembly drawings
• Support the maintenance of engineering databases
• Participate in engineering tag-ups and meetings involving the Program, Systems Engineering, Chief Engineer, and customer
• Resolve and coordinate system technical solutions with engineering teams
• Participate in periodic team meetings, interface teleconferences, and working group meetings
• Support associated tasks required to implement program process requirements
• Support mockup hardware installation and repair activities
• Support sustainment, depot returns, troubleshooting, and repair activities

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience
• Experience supporting radio frequency (RF) communications links and systems, antenna systems, or electronic hardware systems
• Experience using tools such as Microsoft Office, MATLAB, Ansys HFSS, Python, or similar tools for data analysis and automation
• Experience troubleshooting technical issues involving electronic systems and using commercial test equipment such as oscilloscopes, spectrum analyzers, and signal generators
• Active and transferable DoD TS/SCI U.S. government-issued security clearance is required prior to start date.

Qualifications We Prefer

• Experience with reflector system design and antenna feed design
• Experience with solid-state amplifier performance parameters and high-power tube amplifier technology
• Experience with computer networking and cybersecurity or INFOSEC practices
• Experience with electrical schematics, interface control documentation, and communications protocols
• Experience with instrumentation and collection of large data sets, including the application of scripting or automation to data collection and analysis

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

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

• 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. Payments under these annual programs are not guaranteed and are dependent upon 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.

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.