Senior Principal Systems Engineer - Lead Systems Engineer

Date Posted:

2026-03-31

Country:

United States of America

Location:

US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

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 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. 

Raytheon is seeking an experienced and highly motivated Development Lead Systems Engineer to support the StormBreaker® program. This role requires a technical leader who will ensure system compliance to contractual requirements, facilitate cross-disciplinary integration, and drive system-level verification and future growth initiatives. The successful candidate will act as a key technical resource across program efforts, collaborating with internal teams, leadership, and external customers to deliver innovative solutions aligned with program objectives.

What You Will Do

• Ensure system compliance with contractual and program requirements, maintaining alignment with customer expectations.

• Coordinate across hardware (HW), software (SW), test, and system reliability, maintainability, logistics and safety to ensure interface integrity and cohesive system design.

• Serve as the key source of system and product knowledge, including design, performance capabilities, and operational considerations.

• Act as a key participant in platform and System-of-Systems (SoS) integration activities.

• Own and oversee the final system verification process, including Functional Configuration Audit (FCA) and System Verification Review (SVR).

• Coordinate with the portfolio Lead Systems Engineer (LSE) to identify future growth opportunities, address existing design constraints, and align on common HW/SW considerations.

• Support regular customer engagements, including weekly meetings with customer counterparts, as well as briefings with program leadership and Strategic Business Unit (SBU) leadership.

• Provide mentorship and technical guidance to early-career engineers, fostering their professional growth and development.

• Support the Production Lead Systems Engineer (LSE) as an alternate, ensuring smooth transitions and continuity of program support

Qualifications You Must Have

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience.

• Raytheon Level 4 (or higher) Certified Lead Systems Engineer

• Experience leading system development and design, requirements development, requirements management and verification, system integration and test, preparation for/transition to production of complex system architectures

Qualifications We Prefer

• An advanced degree in Engineering, Science, Mathematics, or related discipline

• Raytheon Level 3 (or higher) Certified Lead Systems Engineer

• 12 or more years of relevant work experience including prior experience in a technical leadership role and including experience across the development and production lifecycle

• Excellent communication, technical writing, oral presentation, and interpersonal skills

• Experience across the product lifecycle, including concept development, architecture, design, integration, verification, production; as well as with test/support equipment

• Ability to develop effective internal and external customer/stakeholder relationships to ensure customer/stakeholder satisfaction and continued business

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 Eligible – Relocation assistance is available

Learn More & Apply Now!

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

• Onsite