Senior Principal Lead Systems Engineer (Onsite)

RTX (Raytheon); Tucson (AZ); On-site; USD 130,000 - 180,000; Full time

Job summary

Raytheon, located onsite in Tucson, AZ, seeks a Senior Principal Systems Engineer to serve as the LRSO Production program Lead Systems Engineer. You will ensure system compliance to contractual requirements and drive production success while collaborating with internal teams and external customers.

The role requires leadership across multi-disciplinary engineers, engagement with program stakeholders, and mentorship for early-career engineers within the Office of the Chief Engineer’s structure.

Qualifications

• Bachelor's degree in STEM fields and 10+ years of engineering experience.
• Raytheon Level 4 Certified Lead Systems Engineer or higher.
• Experience leading production of complex system architectures.

Responsibilities

• Communicate program status, accomplishments, issues, and needs to Raytheon leadership.
• Coordinate with program stakeholders, customers, and partners to influence development and production.
• Apply knowledge across technical fields to achieve balanced system performance.
• Translate customer requirements into actionable directions for the program team.
• Identify and mitigate risks balancing capabilities and execution goals.
• Support capture of new business and influence technical roadmaps.
• Lead incremental upgrades and system improvements.
• Provide mentorship to early-career engineers.

Skills

Technical leadership

Systems engineering

Cross-functional coordination

Customer engagement

Mentorship

Education

Bachelor's degree in STEM

Tools

FRACAS system

Job description

Date Posted: 2026-10-06

Country: United States of America

Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928

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.

The Systems Engineering and Test Capabilities (SETC) organization is looking to hire a Senior Principal Systems Engineer to serve as the LRSO Production program Lead Systems Engineer (LSE). This role requires a technical leader who will ensure system compliance to contractual requirements, facilitate cross-disciplinary integration, and drive system-level production success. The successful candidate will act as a key technical resource across production, collaborating with internal teams, leadership, and external customers to deliver innovative production solutions aligned with program objectives. The Lead Systems Engineer (LSE) will work directly with the portfolio LSE as well as other LSEs within the Strike Initiatives portfolio as an apprentice. The LSE will be a member of the Office of the Chief Engineer.

What You Will Do

• Communicate to Raytheon leadership to provide technical program status, accomplishments, issues, and help needed, while influencing the IPTs/CPTs to ensure appropriate and effective program alignment and teamwork. Provide guidance to multiple teams of multi-disciplined engineers in support of product development and production.
• Interact and coordinate with program stakeholders, including program customers, government organizations, industry partners, contractors, suppliers, and other stakeholders to influence and guide program development & production efforts.
• Rapidly assimilate and apply knowledge in varied and disparate technical fields to achieve balanced system performance.
• Accurately interpret internal and external customer requirements and objectives, effectively decomposing such into actionable direction to the Raytheon program team and stakeholders.
• Identify and mitigate both immediate and strategic risks by making decisions that balance required and desired technical capabilities against execution goals.
• Support the capture of new business and influence technical and product line roadmaps, ensuring they are reflected in program planning and execution
• Plan out and lead the incremental break-in of upgrades and system improvements
• Help drive positive change within the production environment as a key stakeholder in Failure Review Boards, FRACAS activities and other continuous improvement efforts
• Serve as the key source of system and product knowledge, including design, performance capabilities, and operational 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.

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 transition to production or 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