Cryogenic Engineering Intern (Summer 2027)

RTX is hiring a Cryogenic Engineering Intern (Summer 2027) in Tucson, AZ (on-site). When: Summer 2027. Pay stated by the employer: $37,000-$82,000/yr. Posted November 12, 2026. Eligibility: US citizenship required. Checked against the employer's posting on November 13, 2026.

Date Posted: 2026-11-12 Country: United States of America

 Location: US-AZ-TUCSON-811A 1151 E Hermans Rd BLDG 811A (External Site)

 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: DoD Clearance: Secret

 Security Clearance Status: Ability to obtain INTERIM U.

S. government issued security clearance is required prior to start date Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry?

At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world.

Discover opportunities to make a difference at RTX. Raytheon's internship program is designed to empower growth by exploring the dynamic nature of the defense industry throughout Raytheon Operations, Supply Chain & Quality (OSCQ).

Throughout the summer, you will be able to expand your knowledge of OSCQ while also gaining unprecedented exposure to leadership along the way. The Cryogenic Engineer will work under general direction to advance high pressure/high purity cryogenic gas delivery systems, including development of improved high pressure pump systems, improving high purity test methods, supporting the design and installation of high purity systems, and managing technical oversight of bulk gas suppliers.

What You Will Do: • Support high pressure/high purity cryogenic gas delivery systems • Test high pressure/high purity cryogenic gas delivery systems • Gain exposure to test and preventive maintenance procedures • Conduct troubleshooting of gas delivery systems • Review Test Position Manuals and Test Error Analysis Reports Qualifications You Must Have: • Must be pursuing Bachelor’s or Advanced degree in Chemical, Mechanical, Manufacturing Engineering, Applied Physics, or related Science, Technology, Engineering or Mathematics (STEM) major, and actively enrolled through the completion of the internship/co-op session.

• Must have a minimum of 60 hours of credit by the start of the internship / co-op session. • Experience with Microsoft Office tools • 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. *Experience may be obtained through on‑the‑job experience, research, coursework, or projects.

Qualifications We Prefer: • Degree focus in Chemical Engineering, Mechanical Engineering, Applied Physics, or Manufacturing Engineering • Experience/Education with interpretation of mechanical drawings • Experience/Education with Creo CAD software • Knowledge of physical properties of bulk gas storage and delivery • Knowledge of high pressure plumbing and fittings • 3.

0 cumulative GPA What We Offer • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Learn More & Apply Now Please ensure the role type defined below is appropriate for your needs before applying to this role. • This position is not eligible for relocation assistance • 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. • This position involves direct support of manufacturing activities and requires spending time in and around factory areas.

• Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.

• Clearance Information: This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.

More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.

htm 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 37,000 USD - 82,000 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.