Sr. Principal Mechanical Engineer

Date Posted:

2026-05-18

Country:

United States of America

Location:

US-AZ-TUCSON-M09 ~ 3350 E Hemisphere Loop ~ BLDG M09

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

Security Clearance Status:

Not Required

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. 

The Tactical Radars and Effectors department within Raytheon Hardware Engineering supports the development, production, and deployment of multiple defense products including radars, missiles, command and control systems, and naval electronics. These products support US Government and international customers.

This position will support the Land & Air Defense Systems missile and launcher product lines based in Tucson, AZ, and may require domestic and international travel to suppliers, Raytheon facilities, and customer sites.  This position will be an onsite role.

What You Will Do

• You will be responsible for developing sound technical solutions to a wide range of complex problems related to the entire product life cycle for hardware to meet military performance requirements.
• Lead the mechanical development and production teams in support of tactical effectors for land-based missions that achieve the performance requirements at the system-level from proposal development through customer sell off.
• Ownership over these items across multiple contracts and spanning multiple years, including efforts critical to support future growth.
• Work with our programs and internal and external customers to establish requirements and best value and best practice design options based on cost and schedule and appropriate technical data package requirements.
• Ensures balance with risk conditions and constraints while advising leadership.
• This role requires a balance of skills including attention to detail, root cause analysis, customer service, and relationship building. Candidate’s ability to quickly adapt through technical expertise, leadership, communication skills, and responsiveness are paramount.
• Engage in personal technical growth and facilitate technical growth in peers and junior engineers. Help to understand what opportunities are needed to mature the organization on the technical front.
• Support the factory and suppliers with product development, obsolescence, troubleshooting, domestically and internationally.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience or an Advanced Degree in a related field and minimum 7 years’ experience
• Experience in a technical leadership role including experience across the development lifecycle
• Experience leading and conducting trade studies, development and design, requirements development and management, and integration and test of mechanical engineering products
• Experience working across multiple functional and discipline organizations to successfully resolve technical challenges
• Experience in the development, creation, release, and updates of technical data packages
• Experience in the review and interpretation of technical documentation in a production environment
• Experience with ANSI/ASME Y14.5 GD&T (Geometric Dimension and Tolerances)

Qualifications We Prefer

• Advanced degree in mechanical or manufacturing engineering, or hardware systems design.
• Experience working development and production programs for products used in military applications.
• Experience working in a factory supporting full rate production of missile components and assemblies.
• Working knowledge of Military and Commercial Specifications.
• Experience working with suppliers that develop mechanical products, machined parts, and electronics.
• Experience with CREO (Pro/E) or similar 3D solid modeling software.
• Experience with PTC Windchill Product Data Management or equivalent configuration/data management software.

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

Learn More & Apply Now!

• 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.

Location Information: This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round.

Virtual Fly Over City of Tucson & Community, YouTube Video Links

• “Raytheon In Tucson”: https://careers.rtx.com/global/en/raytheon-tucson,-az-location
• “Tucson is Awesome”: https://www.youtube.com/watch?v=i65wOwKcNIQ
• “Winter in Tucson”: https://www.youtube.com/watch?v=yZdKKkF0QkE

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 132,400 USD - 251,600 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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms