Jobs and Careers
RT

Sr. Mechanical Engineer – Integration/Sustainment (Onsite)

RTX
Richardson, United Statesfull_timeVerifiedPosted 25 Feb 2026
💰 $165,200/yr($86,800/yr$165,200/yr)

About the role

Date Posted:

2026-02-25

Country:

United States of America

Location:

US-TX-RICHARDSON-461 ~ 3200 E Renner Rd ~ RENNER BLDG 461

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

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

The Strategic Defense Solutions engineering organization is seeking a highly motivated Senior Level Mechanical Engineer for the design, development, and test of electronic equipment and integration kits for communication systems in lab environments, military aircraft, and transportable systems. The selected candidate will work closely with Systems, Software, Qualification, Manufacturing, and Installation engineering to ensure requirements are met during all phases of a product’s lifecycle.

Collins Aerospace is redefining the future of aerospace in Richardson, TX to enable our warfighter to be as effective as they can be in the realm of nuclear deterrence. Collins takes great pride in how our products are making our country safer, and we want you to join us if you’re as motivated and passionate about that mission as we are.

What You Will Do:

  • Plan, analyze, design, test, and document hardware of high complexity and contribute to system integration.

  • Communicate technical topics and issues in a clear and concise manner to both technical peers as well as non-technical team members.

  • Be self-sufficient in determining the requirements of and coordinating the setup of the system integration lab (SIL) environment, integrating moderate to complex mechanical systems and components.

  • Contribute to a greater team with the planning and execution of the integration and installation of equipment on military platforms, such as fixed wing aircraft or jets.

  • Contribute to testing activities to verify product requirements compliance.

  • Conduct and provide constructive feedback during peer reviews. Mentor and document knowledge to provide technical guidance to both members of own team and beyond.

  • Work proactively and in a self-driven manner with an integrated product team (IPT) to manage project scope and budget, as well as identify risks and opportunities.

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.

  • 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.

  • Background in aircraft systems integration and/or subsystems integration.

Qualifications We Prefer:

  • Active U.S. government issued Secret or Top Secret clearance.

  • Knowledge of A-Kit electromechanical design, including the applicability of SAE AS50881.

  • Knowledge of military standards such as RTCA DO-160 and MIL-STD-810.

  • Direct experience with the design, analysis, and qualification of wire or cable tensioning systems.

  • Familiar with thermal and structural Finite Element Analysis (FEA) best practices. (Ansys).

  • Can apply and interpret ASME Y14.5 Geometric Dimensioning & Tolerancing best practices.

What We offer:

Some of our competitive benefits package includes:   

  • Medical, dental, and vision insurance  

  • Three weeks of vacation for newly hired employees  

  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option  

  • Tuition reimbursement program 

  • Student Loan Repayment Program  

  • Life insurance and disability coverage  

  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection 

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

RTX

View company profile →