Principal Systems Engineer Onsite

Date Posted:

2026-10-15

 Country:

United States of America

 Location:

US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401

 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:

Secret - Current

 Security Clearance Status:

Active and existing security clearance required on day 1

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.

Raytheon’s Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is currently looking for a Principal Systems Engineer to support the Huntsville AL/Kentucky Department. We specialize in concept development, architecture design, requirements generation and flow-down, modeling and simulation, systems analysis, integration, test, and evaluation of advanced Missile Defense and Sensor Systems. In this role, you will support the modernization of Ground-Based Radar (GBR) systems by defining and analyzing system requirements, developing system architectures, and partnering closely with system, software, and integration/test engineering teams.

What You Will Do

• •You will lead architecture and requirements development activities that define, characterize, develop and document Ground Based Radar (GBR) systems in the form of architectural framework updates, system-of-system functional and performance requirements, detailed algorithm descriptions, test scenario definition, and verification approach.
• •You will conduct requirements analysis to verify system-level performance requirements.
• •Experience coding system models, algorithms, test scripts, and evaluation tools for radar performance analysis.
• •Experience collaborating with multi‑disciplinary teams and communicating with stakeholders at all levels.
• •Experience interfacing with customers and leading technical solutions to complex problems.
• •Experience developing and maintaining engineering processes and tools.
• •Experience with Agile development practices, including JIRA and Confluence.
• •Excellent communication, technical writing, interpersonal, and presentation skills.
• •Experience working independently and within geographically distributed teams.
• •This role is based onsite in Huntsville, AL.
• •Travel is 10% - 15% domestically.

Qualification You Must Have

• •Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• •Experience with radar systems.
• •Experience with Model-Based Systems Engineering (MBSE) and/or Cameo.
• •Experience with MATLAB and/or Linux.

Qualifications We Prefer

• •Advanced STEM degree.
• •Knowledge of radar concepts, including detection, discrimination, tracking, and signal processing algorithm performance.
• •Experience with Python, C/C++, or Java.
• •Experience with Agile development practices, including JIRA and Confluence.
• •Strong analytical, technical, and problem‑solving skills.

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 Eligibility– Relocation assistance available

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

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.

Welcome to Raytheon in Huntsville, AL

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 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