Mechanical Engineer I (Onsite)

Posted:
8/25/2026, 12:28:44 AM

Location(s):
Richardson, Texas, United States ⋅ Texas, United States

Experience Level(s):
Junior ⋅ Mid Level

Field(s):
Mechanical Engineering

Workplace Type:
On-site

Pay:
$57k–$109k/yr

Date Posted:

2026-08-25

Country:

United States of America

Location:

US-TX-RICHARDSON-462 ~ 3200 E Renner Rd ~ RENNER BLDG 462

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: Top Secret

Security Clearance Status:

Active and existing security clearance required after day 1

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.

What You Will Do

As a Mechanical Engineer at Collins Aerospace Mission Systems Integrated Strategic Solutions (ISSE), you will participate in the design, development, and test of electronic equipment and integration kits for communication systems on military aircraft and transportable platforms. The selected candidate will learn to work closely with Systems, Electrical, and Manufacturing staff to ensure defined requirements are consistently met in all phases of a product’s lifecycle. 

  • Participate in design and development activities, including implementation of specifications and development of performance or maintenance requirements.
  • Learn engineering design processes to contribute to designs for components, parts, subassemblies, and assemblies.
  • Participate in the execution of tests for systems, subsystems, and components.
  • Participate in the analysis of test results in relation to design and test objectives.
  • May evaluate and analyze various mechanical products to determine their cost-effectiveness and efficiency.
  • Evaluate installations and recommend design modifications.
  • Communicate effectively in a cross-functional team.
  • Some travel may be required.

Qualifications You Must Have

  • Bachelor’s Degree in Mechanical Engineering, Aerospace Engineering, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.

Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

  • Experience with SolidWorks
  • Experience with Microsoft Office (Excel, PowerPoint, and/or Word)
  • Demonstrated ability to communicate clearly and make sound, well-informed decisions.
  • Possession of an active U.S. Government issued Top Secret clearance

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.
  • Relocation Eligibility

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

  • 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 57,200 USD - 108,800 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.

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RTX

Website: https://www.rtx.com/

Headquarter Location: Arlington, Virginia, United States

Employee Count: 10001+

Year Founded: 1922

IPO Status: Public

Last Funding Type: Grant

Industries: Aerospace ⋅ Industrial ⋅ Manufacturing ⋅ Military ⋅ Security ⋅ Software

Visa Sponsorship: Sponsors work visas