Principal System Engineer - Patriot IPTL (Onsite)

Date Posted: 2026-10-05

Country:

United States of America

Location:

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

Position Role Type:

Onsite

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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon’s Land Air Defense Systems (LADS) Engineering Execution Department is seeking a skilled and motivated System Engineering Country Cross Product Team Lead to support a large Patriot program. The SE CPT lead is responsible for various engineering activities, including system architecture definition. System Requirements, Software Requirements, Modeling and Simulation, Raytheon Lifecycle Product Management (RLPM) design milestone activities, and externally facing customer events. Additional activities include proposal support and Earned Value Management Systems (EVMS) monthly accountability. Activities require the ability to require travel. This position is onsite based in Tewksbury MA or Huntsville AL.

What You Will Do

• Responsible for cost, schedule and execution for a Patriot partner country
• Ensure System Architecture and Technical Baseline are developed and maintained
• Ensure System Requirements are developed and maintained
• Ensure Software Requirements are developed and maintained
• Ensure Modeling and Simulation products are appropriately scoped and provided
• Lead development and reporting of proposal costing efforts a Patriot partner country
• Brief Program Management and USG customer on plans and status
• Travel as required to meet programmatic objectives. Regular travel between multiple Raytheon locations in Massachusetts is required. Occasional domestic and potential international travel.

What You Will Learn

• Experience with System Engineering across the premier Integrated Air and Missile Defense System in the world.
• Ability to collaborate with other engineering disciplines, Quality, Reliability, and program management
• Strong communication and leadership skills for coordinating across internal and external stakeholders
• Earned Value Management System (EVMS) certification
• Program Management (PM) Level 6 certification
• Path to Lead System Engineer (LSE) certification

Qualifications You Must Have

• Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience managing cost, schedule and execution for technical projects.
• Experience leading/contributing to proposals, such as creating BOEs, contributing to leadership proposal reviews.
• Active and transferable Secret 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.

Qualifications We Prefer

• Earned Value Certification.
• Program Manager Certification level six (6) or ability to obtain within the first year in the role.

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 is 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.
• This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:
• Huntsville, AL Location:
• MA Locations: Raytheon Andover, MA Location
• We Are RTX

#LI-Onsite

#LI-HS30

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.

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