Sr. Principal Electro-Mechanical Engineer - ALE

RTX; Tucson (AZ); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Paid time off

Job summary

RTX in Tucson is seeking an Electro‑Mechanical Engineer to lead opto‑mechanical and electro‑mechanical hardware development for state‑of‑the‑art defense products.

You will drive detailed component and system designs, balance SOWs, budgets, and schedules while collaborating with optical, systems, electrical, and manufacturing teams to ensure robust build quality.

Qualifications

• Requires a STEM degree with extensive hardware engineering experience.
• Experience across multiple DoD programs or complex development efforts.
• Strong ability to perform static, dynamic, and thermal analyses.

Responsibilities

• Provide technical leadership for opto‑mechanical and electro‑mechanical design teams.
• Oversee drafting, structural/thermal analysis, EM simulations, PI/SI analysis, and IR drop calculations.
• Manage schedule milestones, resources, and cross‑functional alignment with OEMs and suppliers.
• Lead environmental qualification testing and root‑cause investigations.

Skills

Engineering Analysis

Troubleshooting

CAD Creo Parametric

ANSYS

Opto‑mechanical Design

Education

STEM degree

Advanced degree (MS/PhD)

Tools

PTC Creo Parametric

ANSYS

Job description

Date Posted: 2026-10-28 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date 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 Air Launched Effectors All Up Round (ALE AUR) Mechanical Design organization is seeking a highly experienced Electro-Mechanical Engineer. In this role, you will provide technical expertise and leadership in developing high-performance opto-mechanical and electro-mechanical hardware for state-of-the-art defense products. This position bridges advanced engineering with program management, requiring you to drive detailed component and system-level designs while balancing Statement of Work (SOW) deliverables, budgets, and schedules.

What You Will Do:

• Technical Leadership & Oversight: Lead an engineering team focused on opto-mechanical and electro-mechanical design.
• Oversee critical technical efforts including drafting, structural/thermal analysis, EM simulations, IR drop calculations, and Power/Signal Integrity (PI/SI) analysis.
• Program Management & Cross‑Functional Alignment: Serve as the primary liaison between the Program Office, Chief Engineer’s Office, and external suppliers.
• Track schedule milestones, optimize resource allocation, and collaborate across optical, systems, electrical, and manufacturing teams to ensure top-tier design and build quality.
• Ensure obsolescence is effectively managed by identifying and qualifying replacement parts to support rate production.
• Supply Chain & Manufacturing Support: Partner with procurement, quality assurance, and supply chain teams to maintain stable production pipelines.
• Support supplier onboarding and scaling activities, and manage priorities for a production program.
• Requirements & Compliance Engineering: Ensure strict adherence to requirements and engineering principles.
• Prepare and present technical data packages to Engineering Review Boards (ERB), Material Review Boards (MRB), and Change Boards, aligning Engineering and Operations on implementation and maintenance of engineering changes.
• R&D & Prototyping: Lead proof‑of‑concept designs for integrating new technologies and contribute to Internal Research and Development (IRAD) initiatives.
• Testing & Hardware Validation: Develop and execute comprehensive environmental qualification test plans (shock, vibration, thermal cycling, EMI/EMC).
• Lead root‑cause investigations and implement verified corrective actions for hardware anomalies.
• Flexibility: Ability to work extended hours and travel as needed to meet program requirements.
• Travel: Up to 25% travel required for supplier management and site visits.
• Additional: Perform duties assigned by the Office of Chief Engineering (OCE) and the IPT Lead.
• Must be capable of rapidly troubleshooting and resolving complex technical issues.

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 hardware engineering design, development, and production support.
• Industry Exposure: Experience across multiple DoD programs or similarly complex development efforts.
• Engineering Analysis: Demonstrated expertise in static, dynamic, and thermal mechanical analyses.
• Design & Compliance: Proven success developing high‑performance hardware meeting stringent specifications and compliance standards.
• Troubleshooting & Testing: Strong hands‑on mechanical and electrical aptitude with a track record of solving complex electro‑mechanical issues.
• Technical Documentation: Proficiency in interpreting mechanical drawings and performing precise tolerance stack‑up analyses.
• Core Competencies: Excellent communication, interpersonal, and organizational skills.
• Security Clearance: Active DoD Secret clearance required.

Qualifications We Prefer:

• Engineering Leadership: Experience leading cross‑functional engineering teams in aerospace, defense, or related industries.
• Hardware Background: Prior experience designing opto‑mechanical, electro‑mechanical, or electrical hardware.
• Finite Element Analysis (FEA): Advanced experience in thermal, structural, and transient shock modeling.
• Environmental Design: Demonstrated ability to engineer ruggedized hardware capable of withstanding extreme shock, vibration, and thermal environments.
• CAD Software: Strong experience with PTC Creo Parametric or comparable CAD platforms.
• Simulation Software: Expertise with Ansys for electromagnetic (EM) and heat‑transfer modeling.

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.

Onsite: 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. 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:

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military, and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.