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RTX

Software Engineer I (Onsite)

United States

The salary range for this role is 62,900 USD - 119,700 USD.

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Job details

Pay: The salary range for this role is 62,900 USD - 119,700 USD.
Apply by: Nov 3, 2026
Posting language: English
Posted: Oct 29, 2026

Original job description

Date Posted:

2026-10-29

Country:

United States of America

Location:

US-CA-SAN JOSE-826 ~ 200 Holger Way ~ BLDG 826

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: TS/SCI

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.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

The AST Engineering Center is currently seeking a Software Engineer I to be an integral part of project teams that develop systems that provide integrated sensor and signal processing products in support of intelligence, surveillance and reconnaissance that protect your family, your nation, and enhance global security.

*** The work location is our Silicon Valley Office located in north San Jose, CA.

What You Will Do

Develop object-oriented C++ software solutions in a Linux environment.
Put your understanding of the software development lifecycle to use
Write Python, MATLAB, and/or similar scripting/programming languages in a Linux software development environment.
Work independently and in a small team environment.

What You Will Learn

You will learn COMINT/ELINT principles and concepts and work side-by-side with industry recognized technical leaders to develop and implement state of the art systems.
You will learn software engineering in all aspects - requirements, design, implementation, testing
You will learn how to work on a fast-paced team to tackle difficult challenges in an ever-evolving field Software engineering in all aspects – design, implementation, testing, etc
Gain domain knowledge about communications systems

Qualifications You Must Have

Bachelor’s degree in Electrical Engineering, Computer Engineering or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
Experience and/or knowledge in programming multithreaded systems.
Experience in software development using C++.

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

Qualifications We Prefer

Experience with the Qt software development framework.
Experience with web development technologies/toolkits such as JavaScript (Node.js, D3.js), PHP, HTML5, CSS, Angular, or Google Web Toolkit (GWT)
Experience with digital signal processing and/or communication systems
Familiarity with debugging software in embedded computing environments. Familiarity with using version control and defect tracking tools (Git, JIRA, etc.).
Familiarity with Agile/SCRUM, DevOps, and test automation practices. Knowledge of network and communication protocols (e.g., TCP/IP).

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 62,900 USD - 119,700 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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