Principal Systems Engineer

Date Posted: 2026-02-05

Country: United States of America

Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

Position Role Type: Onsite

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: Active and existing security clearance required on day 1

About the Role

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.

Are you passionate about turning innovative concepts into reality? Do you thrive in dynamic environments? Raytheon is seeking a talented and motivated Principal Systems Engineer to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting the LTAMDS and Ghost Eye Radars. This role offers a unique opportunity to work across the full lifecycle of the product, from concept to deployment. Every day will bring new challenges, requiring you to work across disciplines to troubleshoot issues, perform data analysis, and implement solutions. Your contributions will directly impact the success of mission-critical defense systems, and you'll have a hands-on role in ensuring the entire system functions seamlessly.

This role can be based out of Tewksbury, Andover, or Marlborough MA or Pelham NH.

What You Will Do

• Core Systems Engineering: Develop requirements and algorithms, concepts of operations, and define system interfaces
• Lead Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real-world environments
• Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging
• Drive Performance: Work across functions to drive performance improvements and resolve system issues
• Modeling and Simulation: Develop and execute models to predict system performance and support verification and validation
• Integrate Systems: Integrate hardware and software into tactical systems, evaluating their functionality and impact
• Partner and Lead: Work with and lead a multi-disciplinary team to achieve seamless integration and system functionality
• Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders
• Perform Data Analysis: Conduct statistical and numerical analysis of radar performance data to ensure optimal system performance and verify requirements
• Present Findings: Present technical findings and solutions to leadership and customers
• Support Missions: Travel as needed (up to 20%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations

Required Qualifications

• Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience or equivalent experience
• Experience with systems software, systems hardware, systems requirements, systems integration, and/or systems test
• Active and transferable U.S. government-issued security clearance required prior to start date
• U.S. citizenship required, as only U.S. citizens are eligible for a security clearance

Preferred Qualifications

• Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools
• Experience with model-based engineering
• Experience in developing and managing requirements
• Experience developing both scripts and functions with MATLAB
• Experience with C++, Python, or similar languages
• Experience with generating technical documentation, such as test plans, procedures, or technical reports
• Experience working in an integration lab, test facility, or in the field, supporting integration and/or verification
• Experience with evaluating systems using simulated environments
• Experience interfacing with internal and external customers

Compensation and Benefits

Salary Range: $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
• 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.

Additional Information

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.

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. 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.

Equal Opportunity

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy and hypersonics.