Software Engineer II (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: TS/SCI with Polygraph

 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. 

What You Will Do • Participate in the requirements, design, development and testing of software to include development of new work products or enhancement of existing applications and systems • Design, code, test, integrate, and document software solutions • Participate in internal review of software components and systems • Collaborate with project managers and other professionals within Engineering • Follow established development practices and processes to maintain the configuration management of software products

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 • Master’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date. • Experience developing in modern programming languages (e.g. C++; Java) in a Linux environment • Good working knowledge of data structures and how to efficiently use them to solve problems • Experience with one or more scripting languages (e.g. Python) • Experience working with containerized software and associated tools (Kubernetes, Helm, Podman)

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

Qualifications We Prefer • Experience with Multithreading • Experience working both in a team environment and individually • Experience with network protocols such as TCP/IP • Experience with Qt • Experience with User Interface development • Experience with Angular web GUI development • Embedded SW Design Experience • Experience in integrating software with hardware • Experience with Configuration Management tools, such as git • Experience maintaining and using build processes (makefiles, CMake) • Familiarity with event-driven systems and messaging platforms such as Kafka • Familiarity with RESTful APIs and gRPC • Experience with or basic understanding of telecommunications systems concepts and/or signal processing • Experience with or basic understanding of International Telecommunication Union (ITU) Standards • Active and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance with Poly

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 75,800 USD - 144,200 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

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