Senior Principal System Engineer

RTX (Raytheon); Colorado Springs (CO); On-site; USD 150,000 - 210,000; Full time

Job summary

RTX (Raytheon) in Colorado Springs, CO, is seeking a Senior Principal Systems Engineer to support Missile Defense Sensors. This onsite role focuses on Ground-Based Radar systems, architecture development, and cross-disciplinary collaboration to deliver advanced radar solutions.

Ideal candidates have 10+ years in systems engineering, MBSE experience, and strong MATLAB/Linux/Python/C++ skills, with DoD clearance awareness and excellent communication abilities.

Qualifications

• Typically requires a STEM degree and extensive experience in systems engineering.
• Experience with Radar Systems, MBSE, and Cameo.
• Proficiency in MATLAB and Linux environments.

Responsibilities

• Lead development of architectures and requirements for GBR systems.
• Update architectural framework, requirements, test definitions, and verification approaches.
• Collaborate with software and integration/test engineers to deliver radar solutions.

Skills

MBSE

Cameo

MATLAB

Linux

Python

C/C++

Java

DOORS

Agile

JIRA

Confluence

Radar Systems

Education

STEM degree

Advanced degree in STEM

Tools

MATLAB

Linux

Python

C/C++

Java

DOORS

Job description

Date Posted: 2026-09-29

Country: United States of America

Location: US-CO-COLORADO SPRINGS-1275 ~ 1275 N Newport Rd ~ NEWPORT

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: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

The Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is currently looking for a Senior Principal Systems Engineer to support the Missile Defense Sensors (MDS) department. The MDS department delivers cutting-edge expertise in concept development, architectural design, requirements generation and flow-down, modeling and simulation, systems analysis, integration, test, and evaluation of world-class Missile Defense & Sensor Systems. We achieve excellence through our people, processes, technology, and performance. In this role, you will play a critical part in the enhancement and modernization of Ground-Based Radar (GBR) Systems. Your contributions will include developing and analyzing system requirements, designing system architectures, and collaborating with multidisciplinary teams to deliver advanced radar solutions. This role is based onsite in Colorado Springs, CO.

What You Will Do

• Lead the development of architectures and requirements to define, characterize, and document Ground Based Radar (GBR) systems.
• Contribute to architectural framework updates, system-of-system functional and performance requirements, detailed algorithm descriptions, test scenario definitions, and verification approaches.
• Conduct requirements analysis and benchmarking to validate algorithm designs and ensure system-level performance aligns with operational objectives.
• Collaborate closely with software and integration/test engineers to deliver innovative and high-performing radar solutions.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• Experience with Radar Systems or related areas of systems engineering, including Model Based System Engineering (MBSE) and/or Cameo.
• Experience with MATLAB (including object-oriented programming), and/or LINUX operating systems.

Qualifications We Prefer

• Experience with radar system concepts including detection, discrimination, tracking, and signal processing algorithms, as well as their behaviors and performance.
• Proven experience in system-level requirements development, documentation, maintenance, and/or the design of system-level software architecture.
• Hands-on experience in developing and coding system models, algorithms, test vectors, and evaluation tools to analyze radar requirements and performance.
• Demonstrated ability to develop, document, and maintain processes, methods, and tools to ensure engineering excellence.
• Track record of developing technical solutions to complex engineering challenges.
• Proficiency in programming languages such as python, C/C++, Java, and tools like DOORS.
• Familiarity with the software development process using Agile methodologies and associated tools, such as JIRA and Confluence.
• Strong problem-solving and analytical skills, with a proven history of delivering innovative technical solutions.
• Proficiency with the MS Office Suite (Word, Excel, PowerPoint, etc.).
• Excellent communication skills, including technical writing, oral presentations, and interpersonal skills.
• Previous experience interfacing with customers and leading the development of technical solutions for complex user requirements.
• Ability to work independently as well as collaboratively within a geographically distributed team environment.
• Experience collaborating across disciplines and communicating effectively with all levels of the organization and external stakeholders.
• Advanced Degree in STEM

What We Offer

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