Date Posted:
2026-06-10
Country:
United States of America
Location:
US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C 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:
Active and existing security clearance required after day 1
The Advanced Products and Solutions (APS) business unit focuses on developing state-of-the-art Electro-Optical/Infrared (EO/IR) technologies and systems for a variety of mission-critical applications. We are at the forefront of innovation, providing advanced solutions that enhance situational awareness and operational effectiveness.
We are seeking a highly motivated Software Engineer I with experience in C++ and Linux to join our team in the Advanced Products and Solutions (APS) business unit, supporting EO/IR programs. In this role, you will contribute to the design, development, testing, and integration of software solutions that power next-generation EO/IR systems for critical aerospace and defense applications. This is an entry-level role ideal for those passionate about software engineering and eager to grow their skills in a challenging and rewarding environment
This position is an onsite role at our McKinney, TX facility.
What you will do:
Deliverables include but not limited to:
Design, develop, and debug software in C++ for real-time systems running on Linux platforms.
Collaborate with cross-functional teams, including systems engineering, electrical engineering and test, to ensure seamless integration of software.
Implement and optimize software algorithms to meet performance, reliability, and scalability requirements of mission-critical applications.
Perform integration testing hardware, ensuring seamless operation and compliance with system requirements.
Write and maintain software documentation, including design specifications, technical reports, and user manuals.
Work onsite at McKinney, TX
Support Formal Qualification Test events
Conduct unit testing and software integration testing to verify functionality and compliance with system requirements.
Troubleshoot and resolve software issues, ensuring timely delivery of high-quality solutions.
Adhere to industry best practices, coding standards, and security guidelines specific to aerospace and defense applications.
Participate in code reviews, providing constructive feedback to peers and ensuring adherence to program standards.
Able to obtain and maintain a Secret U.S. security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Qualifications You Must Have:
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM).
Experience in C++ programming and familiarity with object-oriented design principles.
Experience working with Linux operating systems, including shell scripting and command-line tools.
Experience working effectively in a collaborative, team-oriented environment.
Qualifications We Prefer:
Experience with hardware-software integration and debugging.
Understanding of pipeline implementation and utilization, including Static Code Analysis, Automated Build, and Automated Test techniques using continuous integration/continuous delivery with Test-Driven Development approach.
Ability to manage multiple priorities.
Effective verbal and written communication skills.
Ability to fly on flight test aircraft in support of system platform testing.
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 Offered Based on 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.
Clearance Information: This position requires a 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:
Location Information: This position is onsite at our campus in beautiful McKinney, TX.
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.
