Stateside Spec Engineering jobs in the United States

RTX

Principal Embedded Software Engineer - Radar, Onsite

El Segundo, CA · On-site · Principal

Discipline
Software
Industry
Defense
Constraints
Citizenship required by contract TS

Spec sheet

Automatically summarized from the employer’s posting. Check the original description below for full requirements.

Principal Embedded Software Engineer – Radar (RTX, Onsite, El Segundo, CA). Leads design, development, and testing of embedded software in a DoD clearance environment; requires 8+ years in STEM with C/C++, Python, and embedded systems; active DoD Secret/Top Secret clearance, U.S. citizenship. Onsite role with competitive compensation and full benefits.

$118,300–$224,900 / year · Day shift · 8+ years · Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM)

Required

  • C, C++
  • Python
  • software development
  • test
  • integration
  • CI/CD
  • embedded software

Preferred

  • CI/CD
  • modeling and simulation
  • object-oriented design
  • platform engineering tools
  • team collaboration

Benefits

  • medical
  • 401k
  • pTO
  • wellness
  • education assistance

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Employer description

Date Posted:

2026-09-30 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: Secret Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world’s 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 brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon Space and Air division in El Segundo, CA is seeking a Principal Embedded Software Engineer to be part of their product development teams.

Raytheon El Segundo, CA Location

What You Will Do:

Design, develop, and test software based on software trouble reports in an agile, collaborative environment, delivering buildsDemonstrate critical thinking skills, the ability to thrive in small, empowered teams, and an intense desire to directly enable our customers’ successTroubleshoot, debug, and optimize existing code for performance and efficiency in complex environmentsWrite and maintain comprehensive documentation for software applications, including system architecture and design specificationsParticipate in agile execution and continuous improvementWork collaboratively with multiple engineering disciplines to analyze, implement, and test system modification requests to the existing system baseline

Qualifications You Must Have:

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) AND a minimum of 8 years of prior relevant experience.Experience with software development, test, and/or integration using C, C++Experience with Scripting languages like Python.Experience with System and Software blended skills including::a) Optimization and Analysisb) System of Systems Resource Managementc) Modeling and Simulation – kill chain analysisd) Tracking Software Integration, output analysis, and algorithm developmentActive and transferable U.S. Government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

Bench support, familiarity with platform engineering toolsClearly communicate plans, status, and issues to teammates and program leadershipEnsure the successful integration of software components into delivered productsExperience in Object Oriented and scripting languagesAbility to work in a fast paced, dynamic environment with time-critical requirementsExperience contributing to a team environment for the purpose of developing creative solutions to difficult technical problemsExperience working in a Continuous Integration/Continuous Development environment; experience with CI/CD pipelinesExperience with developing, testing, and integrating software using C / C++ or modern software development languageExperience with data structures, algorithms, and software design principlesSoftware development lifecycle experienceExcellent communications skills and team collaboration skillsSelf-motivatedProven ability and desire to facilitate career growth and knowledge transferProven ability to develop technical solutions to complex issues

What We Offer:

A total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs.Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.Relocation Eligible – Relocation assistance available
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.This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , 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: https://www.state.gov/m/ds/clearances/c10978.htm 

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 118,300 USD - 224,900 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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