Principal Software Engineer - Architect (Onsite)

Date Posted:
2026-11-02
Country:
United States of America
Location:
US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG
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: Secret
Security Clearance Status:
Active and existing security clearance required after 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.

We are seeking a Software Architect to join our team and play a critical role in designing and developing cutting-edge software systems for real-time embedded applications. This position offers the opportunity to work on advanced technologies and contribute to solutions that address complex challenges. As a key member of the team, you will:

What You Will Do

• Develop software system architecture for a dual-layer processing pipeline on a Xilinx Zynq UltraScale+ MPSoC, ensuring high-throughput, ultra-low latency, and deterministic video pipelines.
• Collaborate with the firmware team to partition workloads, determining which signal processing algorithms should be offloaded to FPGA hardware versus executed in software.
• Review code, validate algorithm behavior, and provide actionable feedback to influence engineering practices and maintain steady program execution.
• Provide systems-level architectural support, including developing CONOPS, specification tree structures, and multi-CSCI decomposition to address customer-critical issues.
• Apply expertise in system-of-systems architecture, inter-CSCI and LRU interfaces, requirement flows, and hardware/software integration to drive clarity across sensor and processing capabilities.
• Collaborate with senior systems engineers and cross-functional technical leads to support integration and verification efforts.
• Implement and validate real-time algorithms while supporting software and hardware integration on embedded platforms.
• Translate technical considerations into actionable guidance and foster collaboration across engineering teams.

Qualifications You Must Have

• Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience.
• Experience with Xilinx Zynq UltraScale+ MPSoC software development, real-time embedded systems, and EO/IR algorithm integration.
• Experience guiding technical development, mentoring engineers, and leading software teams through complex lifecycle activities.
• Experience implementing and validating real-time algorithms on embedded platforms.
• The ability to obtain and maintain a Secret U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Experience with embedded Linux and BSP development, including custom Yocto/Petalinux builds and device tree configuration for multi-camera setups.
• Experience with hardware-software co-design using AMD Xilinx Vitis, integrating hardware pipelines with Linux runtime applications via XRT, and managing Xilinx runtime drivers.
• Experience with video pipelines and multimedia frameworks, including the Linux media subsystem and optimizing pipelines for low-latency, parallel camera streams.
• Experience utilizing AI-aided development tools to accelerate debugging, scripting, or firmware generation.

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 Offered Based On Eligibility

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.
  • Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), 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
  • Location Information: This position is onsite at our campus in beautiful McKinney, TX. https://careers.rtx.com/global/en/raytheon-north-texas-location
  • Welcome to Raytheon in McKinney, TX - YouTube
• We Are RTX

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 107,500 USD - 204,500 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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