Principal System Engineer - Patriot IPTL (Onsite)

RTX (Raytheon); Tewksbury (MA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX (Raytheon) is seeking a System Engineering Country Cross Product Team Lead for the Patriot program. The role is onsite in MA or Huntsville, with a required active Secret clearance, leadership of system engineering activities, and coordination with USG customers.

The position involves cost and schedule responsibility, proposal support, and potential travel to Raytheon sites. Strong leadership and cross-disciplinary collaboration are essential.

Qualifications

• 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.

Responsibilities

• 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.
• Lead development and reporting of proposal costing efforts for a Patriot partner country.
• Brief Program Management and USG customer on plans and status.
• Travel as required to meet programmatic objectives.

Skills

System engineering

Leadership

Program management

EVMS

Proposal experience

Travel readiness

Education

Bachelor's degree in STEM

Tools

EVMS

Job description

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.