Senior Principal Engineer – Missile Defense Radars

RTX; Fort Wayne (IN); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX in Fort Wayne, Indiana, seeks a Senior Principal Engineer to join the SE&TC team. You will define radar system requirements, design architectures, and collaborate with software teams to ensure proper implementation.

Responsibilities include performance analysis, prototyping algorithms, and presenting results to peers and customers. Travel up to 20% and the role requires U.S. citizenship and clearance.

Qualifications

• Degree in STEM with 10+ years of RF/system design and radar analysis.
• Experience with radar hardware, software, and firmware integration.
• Ability to obtain/maintain U.S. government security clearance; U.S. citizenship required.

Responsibilities

• Define radar system requirements and architecture with the SE&T team.
• Analyze performance and identify improvements for radar systems.
• Prototype algorithms and present results to internal/external stakeholders.

Skills

Radar system design

Digital/analog signal processing

Algorithm evaluation & testing

Hardware/software integration

Communication with stakeholders

Modeling & simulation

Education

STEM degree (Systems/Electrical/Software/Physics)

Tools

MATLAB

C/C++

Java

DOORS

Jira/Confluence

Job description

Date Posted:

2026-08-28

Country:

United States of America

Location:

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

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

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 need…

The Systems Engineering and Test Capabilities (SE&TC) organization is seeking a Senior Principal Engineer to support … This is a full‑time, on-site position located in Fort Wayne, Indiana.

What You Will Do:

• Work as part of a systems engineering team to define radar system requirements, design supporting architecture and algorithms, and collaborate with software development teams to ensure proper implementation
• Analyze radar system performance against requirements to identify performance gaps and recommend improvements
• Prototype new or modified algorithms to enhance system capability and effectiveness
• Present plans, designs, performance results, and technical recommendations to peers, leadership, and external customers
• Serve as a subject‑matter expert to agile software teams, ensuring accurate and effective implementation of system requirements
• Contribute to one or more capability areas, including: Electronic protection, signal processing, applied mathematics, Hypersonic threat defense, Tracking, discrimination, search, and battle manager interfaces, Radar calibration, diagnostics, deployed site support and Modeling and simulation of tactical software
• Support bid and proposal activities by contributing labor or material cost estimates when needed.
• Communicate system designs, analysis results, and test outcomes to internal and external stakeholders
• Support occasional business travel (up to 20%)

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) discipline (preferably Systems, Electrical, Software or Physics) and a minimum of 10 years of prior, relevant experience with RF system design, digital and/or analog signal processing, radar waveform or signal modulation analysis, and/or algorithm evaluation and testing
• Experience with the development, implementation, integration, and test of radar systems including hardware, software, and firmware elements.
• 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

Qualifications We Prefer:

• Experience with ground‑based radar systems and/or Missile Defense programs
• BMC4I systems, radar technologies, and advanced signal‑processing techniques
• AI/ML methods to signal processing or algorithm development
• Information Assurance/Cyber Engineering requirements and implementation.
• Model‑Based Systems Engineering (MBSE) tools and methods (e.g., Cameo)
• Agile development tools and workflows (e.g., Jira, Confluence)
• MATLAB, C/C++, Java, and/or DOORS
• Experience developing system models, algorithms, test vectors, or analysis tools

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 available for this position

_ As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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. _

The salary range for this role is 132,400 USD - 251,600 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.

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. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms