Principal System Engineer - Missile Defense Radars

RTX; Fort Wayne (IN); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Relocation assistance

Onsite role

Job summary

RTX is seeking a Principal System Engineer for on‑site duties in Fort Wayne, Indiana. You will work within the SE&T organization to design, develop, test, and sustain advanced radar technologies, engaging with software teams to ensure accurate implementation.

The role requires a STEM degree with 8+ years of experience in RF/system design, signal processing, or related fields, and the ability to obtain a DoD Secret clearance. Onsite relocation support is available.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) discipline and 8+ years of relevant experience in RF/system design or signal processing.
• Ability to obtain and maintain a DoD security clearance; U.S. citizenship required.

Responsibilities

• Define radar system requirements and architecture with the systems engineering team.
• Analyze radar performance against requirements and identify gaps for improvement.
• Prototype and evaluate new algorithms to enhance system capability.
• Present plans and results to peers, leadership, and customers.

Skills

RF system design

Radar waveform analysis

Signal processing

Algorithm evaluation

Agile collaboration

Education

STEM degree

Tools

MATLAB

C/C++

Java

DOORS

Job description

Date Posted: 2026-11-01

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 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.

The Systems Engineering and Test Capabilities (SE&TC) organization is seeking a Principal System Engineer to support the design, development, testing, and sustainment of advanced missile defense radar technologies. This role spans system development, requirements management, design oversight, production and sustainment support, radar performance and failure analysis, and test planning and execution. 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 8 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


• 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

Fort Wayne, IN: https://careers.rtx.com/global/en/raytheon-indiana-location

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

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.

The salary range for this role is 107,500 USD - 204,500 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 e