Mechanical Engineer II, Design

Prattwhitney; McKinney (TX); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Relocation eligibility

Benefits package

Job summary

RTX is seeking a Mechanical Engineer for its Hardware Engineering team to design, develop, and document components and assemblies for defense systems. The role supports production lines, collaborates across disciplines, and contributes to design reviews and trade studies.

The position requires a STEM degree with 2+ years of experience or an advanced degree, and familiarity with CAD tools like Creo and Windchill. US-based, on-site role with security clearance prerequisites.

Qualifications

• STEM degree required with 2+ years of relevant experience or an advanced degree.
• Experience applying mechanical engineering principles to design, development, or production of hardware.

Responsibilities

• Perform mechanical design, development, and documentation of components and sub-assemblies per system requirements.
• Support production lines and global supply base to investigate and resolve technical challenges and obsolescence.
• Interface with engineering, non-technical disciplines, and suppliers to develop design solutions.
• Participate in design peer reviews, resolve actions, and conduct trade studies.

Skills

Mechanical design

Team collaboration

Education

STEM degree

Advanced degree (related field)

Tools

Creo (Pro/E)

Windchill PDM

Job description

Date Posted: 2026-09-10 Country: United States of America Location: US-TX-MCKINNEY-513WH ~ 2501 W University Dr ~ WING H BLDG 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: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

Raytheon’s Hardware Engineering (HWE) team leads the mechanical hardware design, development and production of critical defense systems.

The HWE Team uses state-of-the-art tools, processes, technology, and Raytheon’s CORE principles.

HWE’s capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation.

What You Will Do

• Perform mechanical design, development, and documentation of components, sub-assemblies, for systems and equipment in accordance with system requirements.
• Support the product production lines and global supply base to investigation and resolve technical challenges and obsolescence throughout the production and sustainment phases of the product life cycle.
• Interface with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical challenges.
• Support and participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions.
• Support technical data package creation, changes, and/or variances.
• Utilize mechanical engineering fundamentals, industry specifications, and Raytheon design standards in the development of technical data packages for military products.

Qualifications

You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience or an Advanced Degree in a related field.

Experience within 3 of the following 4 areas:

• Experience utilizing mechanical engineering principles in the design, development, and/or production of mechanical equipment and/or hardware and/or tooling.
• Experience in the development, creation, release, or updates of engineering drawings utilizing a 3D CAD design tool.
• Experience in the review and interpretation of technical documentation utilized in the development or production of hardware products.
• Experience with Dimensioning and Tolerancing analysis.

We Prefer

• Excellent technical writing, presentation, and communication skills.
• Ability to work autonomously with minimal supervision.
• Proven team player and self-motivated leader with exceptional collaboration and interpersonal skills, fostering positive and productive interactions in a team-focused environment.
• Working knowledge of industry specifications utilized in creation of technical data packages.
• Experience with CREO (Pro/E) or similar 3D solid modeling software.
• Experience with PTC Windchill Product Data Management or equivalent configuration/data management software.
• Experience working in a factory supporting development, low-rate as well as full-rate production of missile components and assemblies.
• Advanced degree in mechanical, aerospace, or manufacturing engineering, or hardware systems design.

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 Eligibility: This position is eligible for relocation.

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.

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.