RTX

Aerospace and Defense

SeniorSoftwareEngineer

$155–225k ~AI est. El Segundo, California, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Software Engineer at RTX. Skills: Embedded Software Engineering, C++ Development, Real-time Systems. Support software development life cycle. Support military and commercial programs”

Industry & Context.

Aerospace and Defense
Problems you'll solve

Complex technical system problems; Software integration problems

Eligibility Requirements

Top Secret clearance, Occasional travel, Onsite

What They're Looking For.

Must Have

STEM degree, 5+ years relevant experience, C++ design paradigms experience, Linux, VxWorks, or RTOS experience, Develop, test, integrate real-time C++, Computer scripting languages experience, Active Top Secret security clearance, U.S. citizenship

Nice to Have

Additional C, C#, Java experience, Lab environment experience, Understand complex systems, Scrum techniques experience, Agile software development process experience

What You'll Do.

Support software development life cycle

Support military and commercial programs

Provide creative solutions

Work closely with Systems Engineers

Design ideal solutions

How You'll Work.

Team & Collaboration

Multi-disciplined team; Systems Engineers

Process & Methodology

Scrum, Agile

Full Job Description

**Date Posted:** 2026-06-02 **Country:** United States of America **Location:** US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 **Position Role Type:** Onsite **U.S. Citizen, U.S. Person, or Immigration Status Requirements: ** Active and transferable U.S. government issued security clearance is required prior to start date.​ 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 on day 1 At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon Space and Air division in El Segundo, CA is seeking a Senior Embedded Software Engineer to be part of their product development teams. * [Raytheon El Segundo, CA Location](https://careers.rtx.com/global/en/raytheon-el-segundo-ca-location) _What You Will Do:_ * Supports all aspects of a software development life cycle as members of a multi-disciplined team. This would include supporting new and legacy military and commercial programs from concept and requirements, to design, development, integration, test, and potentially subsequent maintenance tasking. * Uses and provides creative solutions to complex technical system and software integration problems. * Works closely with Systems Engineers to design ideal solutions with the end user and operational needs in mind. * This position may require occasional business-related travel. _Qualifications You Must Have:_ * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) AND a minimum of 5

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