Principal Embedded Software Engineer

Pratt & Whitney; El Segundo (CA); On-site; USD 112,000 - 224,000; Full time

Job summary

A leading aerospace and defense company is seeking a Principal Embedded Software Engineer in El Segundo, CA. This role involves developing real-time software applications in a multidisciplinary environment, supporting various military and commercial programs. The successful candidate will utilize C++ and object-oriented programming, ensuring integration and effective design in collaboration with Systems Engineers. An active U.S. citizenship and security clearance are required for this position.

Benefits

Medical benefits

401(k) match

Flexible spending accounts

Parental leave

Paid time off

Qualifications

• Typically requires a Bachelor’s in science, Technology, Engineering, or Mathematics (STEM preferred)
• Minimum of eight (8) years of experience.
• Active and transferable U.S. government issued security clearance required prior to start date.

Responsibilities

• Supports all aspects of a software development life cycle for military and commercial programs.
• Provides technical leadership and mentorship.
• Designs solutions with user requirements in mind.

Skills

Object-oriented programming

C++

Software integration

Real-time applications

Linux OS

VxWorks

Shell/Perl/Python

Networking concepts (TCP/IP)

Scripting skills (Bash, Python)

Agile software development

Education

Bachelor’s in STEM

Job description

Position Role Type:

Onsite

Date Posted:

2025-06-03

Country:

United States of America

Location:

CA320: El Seg.-So. Campus Bldg E01 2000 East El Segundo Boulevard Building E01, El Segundo, CA, 90245 USA

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:

DoD Clearance: Secret

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

We have an exciting opportunity for a Principal Embedded Software Engineer to join our Electro-Optical & Infrared (EO/IR) Solutions Engineering Team in El Segundo-CA, which is part of our Advanced Products & Solutions group.

What You Will Do

This position is for a Principal Embedded Software Engineer who has experience in the development and implementation of software for real-time applications.

Deliverables include but not limited to:

• 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.
• Provides technical leadership through mentorship, subject matter expertise, team leadership, and participation in proposal, design, and process improvement.
• 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.
• Maintain Secret clearance as needed by programs. U.S. Citizenship status is required as this position will require the ability to access US only data systems.
• Work onsite at El Segundo, CA [relocation eligible]

Qualifications You Must Have

• Experience using object-oriented programming and C++ design paradigms in a Linux OS, VxWorks, or other Real Time Operating Systems environment.
• Experience in developing, testing, and integrating real-time software applications written in C++.
• 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.
• Typically requires a Bachelor’s in science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of eight (8) years of experience.

Qualifications We Prefer

• Lead integration efforts with other teams to ensure software components interact correctly within the overall system architecture.
• Experience working with multi-discipline team(s).
• Working knowledge in computer scripting language such as Shell/Perl/Python.
• Experience working in lab environments with physical hardware (e.g., test benches, simulators).
• Experienced in distributed communication networks and messaging standards.
• Good understanding of Linux internals, services, and administration.
• Proficiency in networking concepts (TCP/IP, DNS, DHCP, NAT, routing protocols).
• Raytheon Company - Approved for Public Disclosure.
• Non-Export Controlled.
• Experienced with network diagnostics and packet analysis tools (e.g., tcp dump, Wireshark).
• Strong scripting skills (Bash, Python, etc.) and experience automating system tasks.
• Ability to quickly understand and navigate complex systems and established code bases.
• Experience with product development utilizing the Scrum techniques of the Agile software development process.
• Ability to manage multiple priorities.

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.

Learn More & Apply Now!

This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.

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 must have current and transferable 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

The salary range for this role is 112,000 USD - 224,000 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.

Privacy Policy and Terms:

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About the company

Raytheon Technologies is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises four industry-leading businesses – Collins Aerospace, Pratt & Whitney, Raytheon Intelligence & Space and Raytheon Missiles & Defense.

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