Mechanical Engineer II

Raytheon; Tucson (AZ); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

Raytheon in Tucson, AZ is seeking a Mechanical Engineer II to perform advanced material characterization using XRF spectroscopy and conduct mechanical testing to support development, design, and failure analysis across various hardware.

You will work closely with design and materials engineers, coordinate multiple tasks, and deliver meticulous testing and documentation to meet specifications. This onsite role emphasizes hands-on problem solving and cross-functional collaboration.

Qualifications

• Requires a university degree or equivalent experience with 2+ years in a related field.
• Experience in material testing and mechanical inspection equipment (XRF machines, gauges).

Responsibilities

• Perform XRF measurements to determine elemental composition and material properties.
• Operate and maintain XRF spectrometers for reliable results.
• Analyze XRF spectra to verify specifications and standards.
• Evaluate parts via dimensional verification to meet the TDP.
• Conduct hands-on mechanical testing to assess material properties and design limits.
• Collaborate with engineers and SMEs across disciplines.
• Prepare clear technical reports summarizing analyses and test results.
• Manage multiple analysis tasks while adhering to schedule.

Skills

Material testing

Mechanical inspection

XRF spectroscopy

Education

University Degree or Advanced Degree

Tools

XRF instruments

Job description

Date Posted: 2026-09-25

Country: United States of America

Location: US-AZ-TUCSON-927 ~ 1151 E Hermans Rd ~ ATF 927

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.

The Materials & Process Engineering (M&PE) Department within the Hardware Engineering Center is seeking a highly motivated and detail-oriented Mechanical Engineer. In this role, you will be responsible for performing advanced material characterization using X-Ray Fluorescence (XRF) spectroscopy and conducting mechanical measurements to support development, design, and failure analysis activities for a different range of product applications. This position requires critical thinking, problem-solving skills, and meticulous attention to detail in executing procedures, testing, analysis, and documentation.

You will collaborate closely with design engineers, material engineers, and subject matter experts across various disciplines, managing and coordinating multiple tasks to meet schedule requirements. As part of a multi-disciplined team, you will contribute to solving complex technical challenges. If you enjoy hands‑on work and developing innovative solutions to challenging engineering problems, this opportunity is for you.

What You Will Do

• Perform X-Ray Fluorescence (XRF) measurements to determine elemental composition and material properties of various hardware
• Operate and maintain XRF spectrometers to ensure consistent and reliable results
• Analyze XRF spectra to identify elements and their concentrations to verify compliance with specifications and standards
• Evaluate parts and hardware through dimensional verification to ensure alignment with the TDP
• Perform hands‑on mechanical testing using various laboratory techniques to evaluate material properties and design limitations
• Assess materials for compliance with specifications and standards
• Collaborate effectively with a multi-disciplinary team of engineers and subject matter experts
• Execute tasks with a high degree of attention to detail, ensuring accuracy and quality in testing, analysis, and documentation
• Manage and coordinate multiple analysis tasks simultaneously while adhering to schedule requirements

The Mechanical Engineer II job is in Tucson, AZ and the position is onsite.

Qualifications You Must Have

• Typically requires A University Degree or equivalent experience and minimum 2 years of prior relevant experience, or An Advanced Degree in a related field.
• Experience in material testing and mechanical inspection equipment (i.e. XRF machines and mechanical measurement devices (various gauges, micrometers, calipers, etc.)

Qualifications We Prefer

• Demonstrated ability as a mechanically inclined problem solver, with a proactive approach to hands‑on technical challenges.
• Proficiency with instrumentation and data acquisition equipment to support materials testing and analysis
• Familiarity with military specifications and requirements for conducting material analyses
• Hands‑on experience with general material testing and analysis using laboratory equipment.
• Ability to write clear and concise technical reports to effectively summarize analyses and test results.
• Proficiency in Microsoft Office Suite, including Word, Excel, and PowerPoint.
• Strong communication, interpersonal skills, planning, and time management abilities.

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.

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 68,900 USD - 131,100 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.