Senior Software Engineer, CDS (Onsite - Security Clearance)

Collins Aerospace; Aguadilla (PR); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

3 weeks vacation

401(k) plan

ESP program

Life insurance

Disability coverage

Employee assistance

Job summary

Collins Aerospace in Aguadilla, PR is seeking a Senior Software Engineer to join the Resilient Connectivity Products team. The role focuses on translating system requirements into software architectures and leading cross-functional collaboration to deliver mission-critical solutions for government programs.

You will mentor junior engineers, contribute to software design, and ensure rigorous testing and certification readiness.

Qualifications

• Requires STEM degree with 5+ years experience or an advanced degree with 3+ years experience.
• Demonstrated ability to communicate in English (verbal and written).
• Experience with Embedded Development using object-oriented design.
• Experience with development tool sets (e.g., Jira, Subversion/Git).
• Experience with Agile methodologies and cross-team coordination.
• U.S. citizenship is required for access to program information.
• Must be able to obtain and maintain a U.S. government issued security clearance.

Responsibilities

• Translate System Requirements into Software Requirements and UML/SysML models for a large-scale program.
• Mentor and guide junior engineers and interns in software development.
• Provide technical Q&A support to stakeholders and resolve issues.
• Collaborate across domains to enhance software design and ensure certification alignment.
• Produce high-quality software builds within an integrated test environment.

Skills

Embedded development

English communication

Agile methodologies

Cross-team collaboration

Mentorship

Education

STEM degree

Advanced degree

Tools

Jira

Git

SysML/UML

Python

Ada/Rust

Job description

Location

US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

Date Posted

2026-09-24

Country

United States of America

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

DoD Clearance: Secret

About Us

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.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Role

Collins Aerospace’s Resilient Connectivity Products (RCP) team is looking for an exceptionally motivated Senior Engineer that is passionate about collaborating with High-Performance Teams to create mission critical solutions supporting Mission Systems.

Our Senior Software Engineers work in an exciting, adaptive, and engaging environment enabling rapid learning to drive success. They utilize a variety of skills on a regular basis including requirements analysis, synthesis of new and existing architectures that meld commercial and military communication functionality and software engineering development best practices for complex systems where the ability to execute the mission is paramount.

This position will sit at our Aguadilla, PR location and is to be worked Onsite, 5 days a week. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

What YOU will do

• Collaborate with dynamic software team in a cross-functional environment, contributing to the definition and translation of System Requirements into Software Requirements and UML/SysML models for a large-scale program
• Collaborate with Senior and Principal Level Software Engineers, providing mentorship and guidance to junior engineers and interns, fostering professional growth and skill development
• Provide direct support to stakeholders by addressing technical questions, troubleshooting issues, and offering solutions to ensure smooth project execution and customer satisfaction
• Partner with team members across domains to maintain and enhance software design and code, ensuring alignment with customer requirements and certification standards
• Take ownership of producing high-quality software builds within an integrated test environment, ensuring optimal performance and reliability through rigorous testing and validation

What YOU will learn

• You will learn about our growing engineering team in Puerto Rico; What we do? Who we support? How we work?
• You will learn the technologies of today and tomorrow which we count on to maintain world leadership in the aerospace industry.
• You will learn why people enjoy and feel fulfilled by working in our industry.

Qualifications you must have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
• Demonstrated professional experience communicating in English (verbal and written).
• Experience with Embedded Development using object-oriented design
• Experience with development tool sets, for example, Jira, Subversion/Git/Version Management
• Direct involvement and success in Agile methodologies with demonstrated experience in managing cross-team coordination
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
• Must be able to obtain and maintain a U.S. government issued security clearance after start date.

Qualifications We Prefer

• Experience with requirements analysis and requirements decomposition.
• Experience with virtualization
• Knowledge of microservices, containers and orchestrators
• Knowledge and/or experience with memory-safe applications (Ada or Rust)
• Experience with automated test environments (Python)
• Knowledge of DevSecOps and CI/CD
• Implemented Graphical User Interfaces with Java React framework, or similar frameworks like Swing or JavaFX
• Experience integrating/deploying software to hardware solutions

What We Offer

• 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.
• And more!

Equal Opportunity Statement

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.