Raytheon Technologies

Senior Principal Engineer - Foundation Software (Onsite)

Raytheon Technologies$132K — $251K *
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Knowledge of secure boot design, bootloader architecture, cryptographic trust models, and hardware security modules
  • Extensive experience with embedded systems, firmware development, and low-level platform software
  • Hands-on experience with hardware board bring-up, processor initialization, and debugging tools
  • Strong proficiency in C/C++ and low-level software development, including register-level programming
  • Deep understanding of processor architectures, SoC subsystems, memory interfaces, and hardware abstraction layers
  • Experience leading engineering teams and providing architectural direction
  • Strong written and verbal communication skills
  • Typically requires a degree in STEM and minimum 10 years of experience or an Advanced Degree with minimum 7 years of experience

Responsibilities

  • Define the architecture and roadmap for PCU firmware and low-level platform software
  • Lead design and implementation of secure boot and platform trust mechanisms
  • Guide bring-up efforts for bootloader initialization and hardware validation
  • Provide technical leadership to a team of embedded software and hardware engineers
  • Collaborate with hardware designers to define processor initialization and power management
  • Participate in security reviews and architectural risk assessments
  • Drive debugging and analysis of hardware-software interactions
  • Oversee integration of PCU firmware with system software and OS
  • Help establish coding standards and documentation for software
  • Serve as a technical contact for partners and vendors
  • Mentor teams and set technical direction for platform security

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with matching funds and employer contributions
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages like pet insurance and home & auto insurance
  • Birth, adoption, and parental leave benefits
  • Ovia Health, fertility, and family planning support
  • Adoption Assistance
  • Employee Assistance Plan with free counseling sessions
  • Wellness rewards program
  • Virtual doctor visits and second opinion program
Full Job Description
Date Posted:
2026-07-08
Country:
United States of America
Location:
US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of "U.S. Person" go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62
Security Clearance Type:
None/Not Required
Security Clearance Status:
Not Required

The Next Generation Processing Foundational Software team is focused on the development of processing solutions that can be applied across a wide variety of Avionics products in safety critical commercial and military applications. Our team is responsible for the development, certification and sustainment of these processing and graphics solutions.

The foundation software team has an opening for a highly experienced technical leader responsible for architecting, implementing, and validating the platform control unit software. This role spans silicon-level initialization, bootloader development, secure boot, trusted execution environments, hardware root of trust, firmware security, and low-level board bring-up. It requires cross-functional leadership with hardware, systems, and software teams.

What You Will Do:

  • Define the architecture, requirements, and technical roadmap for PCU firmware and low-level platform software
  • Lead a team through the design and implementation of secure boot, hardware root-of-trust, key provisioning, and platform trust mechanisms
  • Guide bring-up efforts for the processing platform, including bootloader initialization, BSP development, driver bring-up, and hardware validation
  • Provide technical leadership to a team of embedded software, security, and hardware-interface engineers
  • Collaborate closely with hardware designers to define processor initialization flows, power management states, and silicon interaction models
  • Participate in the development and review of threat modeling, security reviews, and architectural risk assessments for platform boot and control paths
  • Drive debugging and root-cause analysis of complex hardware-software interactions
  • Oversee integration of PCU firmware with system software, OS, and higher-level platform components
  • Help to establish coding standards, design best practices, and documentation for platform and security software
  • Serve as a technical point of contact for internal and external partners and vendors
  • Mentor engineering teams and set technical direction for platform security


Qualifications You Must Have:

  • Knowledge of secure boot design, bootloader architecture, cryptographic trust models, and hardware security modules
  • Extensive experience with embedded systems, firmware development, and low-level platform software
  • Hands-on experience with hardware board bring-up, processor initialization, and debugging tools (JTAG, logic analyzers, oscilloscopes, etc.)
  • Strong proficiency in C/C++ and low-level software development, including register-level programming
  • Deep understanding of processor architectures, SoC subsystems, memory interfaces, and hardware abstraction layers
  • Experience leading engineering teams, providing architectural direction, and driving complex multi-disciplinary tasks
  • Strong written and verbal communication skills
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience


Qualifications We Prefer:

  • Experience with ARM TrustZone, TPM, TEE, or equivalent secure processing technologies
  • Familiarity with Linux kernel, RTOS bring-up, and U-Boot or custom bootloaders
  • Experience with security certification, compliance, or platform hardening methodologies.
  • Background in safety-critical or mission-critical embedded systems


What We Offer

Some of our competitive benefits package includes:
  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
  • Birth, adoption, parental leave benefits
  • Ovia Health, fertility, and family planning
  • Adoption Assistance
  • Autism Benefit
  • Employee Assistance Plan, including up to 10 free counseling sessions
  • Healthy You Incentives, wellness rewards program
  • Doctor on Demand, virtual doctor visits
  • Bright Horizons, child and elder care services
  • Teladoc Medical Experts, second opinion program
  • And more!


Learn More & Apply Now!

Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.

*Please ensure the role type (defined below) is appropriate for your needs before applying to 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.

The salary range for this role is 132,400 USD - 251,600 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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