Principal Software Engineer (Hybrid - Puerto Rico)

RTX

103d

About The Position

Collins Aerospace, an RTX business, is looking to hire a Principal Software Engineer to support our Mission Systems Command, Control Communications, Cyber Intelligence and Autonomy (C4I&A) organization. In this role, you will serve as a technical leader driving secure software design, automation, and architectural decisions that shape the future of our communication and cyber intelligence programs. As a Principal Software Engineer, you will define and guide the technical direction for secure, scalable software systems in C4I&A programs. You will ensure that security, automation, and reliability are integrated into architecture and processes across multiple teams and projects. You will act as a subject matter expert, mentor, and trusted advisor to both engineers and leadership. This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered. This role is categorized as hybrid, with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

Requirements

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
• Demonstrated professional experience communicating in English (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Nice To Haves

• Deep expertise in software engineering with a focus on security, automation, and architecture.
• Experience leading cross-functional engineering efforts and influencing technical direction.
• Strong experience with CI/CD, secure coding, and large-scale integration efforts.
• Proven experience defining and delivering secure architectures for mission-critical systems.
• Broad knowledge of embedded systems, cloud platforms, and modern software practices.
• Proficiency in C++, Python, Linux environments, and container orchestration (Docker/Kubernetes).
• Experience in cryptographic system requirements, design, and implementation.
• Familiarity with system engineering principles and hardware-software integration.
• Prior experience mentoring engineering teams and influencing program strategy.

Responsibilities

• Define secure software architectures and establish best practices for development, integration, and automation across projects.
• Provide technical leadership across multiple teams, ensuring alignment with program goals and industry standards.
• Oversee the design and delivery of automated pipelines, testing frameworks, and deployment strategies.
• Partner with senior engineers, program managers, and stakeholders to ensure security and reliability in all phases of the lifecycle.
• Lead efforts to identify, mitigate, and communicate software and security risks at a program-wide level.
• Mentor senior and junior engineers, promoting technical excellence and continuous improvement.
• Evaluate and adopt new technologies, frameworks, and practices that enhance security, scalability, and efficiency.
• Ensure all software meets Collins Aerospace development processes, contractual requirements, and regulatory standards.

Benefits

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan that includes employer matching funds.
• Participation in the Employee Scholar Program (ESP).
• Life insurance and disability coverage.
• Employee Assistance Plan, including up to 8 free counseling sessions.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 5,001-10,000 employees