Software Engineer I (Onsite)

About this role

Date Posted: 2026-08-14

 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

This requisition is for an RTX intern converting to FT hire upon graduation.

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. 

Applied Signal Technology (AST) is seeking engineers who strive for excellence and have a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical signals intelligence (SIGINT) solutions that protect the interests of the U.S. and its partners.  AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT and airborne intelligence, surveillance, and reconnaissance (ISR), and wireless communications continually challenges our extraordinary engineers to solve problems and make the world a safer place.  AST’s work environment is passionate, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and innovative ideas all while embracing integrity and work-life balance.

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.  In this position, you will apply your C++ software development experience to design, implement, integrate, and test software applications supporting advanced high-capacity systems that process modern communications for the U.S. Government.

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 • Working on a fast-paced team tackling difficult challenges in an ever-evolving field • Gain domain knowledge about communications systems

Qualifications You Must Have • Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date • Prior RTX internship experience

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: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. • Relocation, if eligible

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.

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