Software Engineer II, RCU (Onsite - Security Clearance)

RTX; Aguadilla (PR); On-site; USD 90,000 - 110,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer-m\t

Employee Scholar Program (ESP)

Life insurance and disability coverage

Employee Assistance Program

Job summary

Collins Aerospace, RTX's leading aerospace and defense unit, is hiring a Software Engineer II to support the Mission Systems Resilient Connectivity Products in Aguadilla, Puerto Rico. This onsite role focuses on designing, developing, integrating, and testing embedded software for aircraft connectivity products.

You will collaborate with FPGA, hardware, systems, and software teams, using C++, Python, Ada, and Linux, and you must be able to obtain a DoD secret clearance.

Qualifications

• Typically requires a STEM degree with 2 years of relevant experience or an advanced degree.
• Experience with embedded development using OO design.
• Strong English communication skills (verbal and written).

Responsibilities

• Design, develop, integrate and test embedded software for aircraft connectivity products.
• Collaborate with FPGA, hardware, systems and software teams to embed tech across product portfolio.
• Prepare software builds and embedded test solutions for hardware qualification and releases.

Skills

C++

Python

Ada

Embedded development

Linux

English communication

Education

STEM degree

Tools

Git

Jira

Subversion

Bitbucket

Confluence

Coverity

Job description

Date Posted:

2026-08-31

Country:

United States of America

Location:

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

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

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.

Collins Aerospace is looking to hire a skilled and motivated Software Engineer II to support the Mission Systems Resilient Connectivity Products (RCP) organization at the GETC Puerto Rico location. This role involves contributing to the engineering development and execution of important programs that enable our RCP product lines.

In this role you will participate in software engineering activities that design, develop, integrate, test, and maintain software solutions for various communication systems products.

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:

• Design, develop, integrate and test communications systems for aircrafts that support multiple ways of connecting the aircraft to the ground and the airlines
• Work alongside FPGA, hardware, systems and software teams in order to seamlessly embed advanced technology into wide array of communications product portfolio.
• Conduct design, development, integration, implementation, and testing of our embedded software in C++, C, Ada and Python on Linux OS for our connectivity products.
• Prepare software builds for execution in a simulation environment, reference platforms and on the target hardware.
• Prepare embedded test solutions that support hardware qualification activities.
• Participate in formal run for score and software release activities.
• Participate in root cause investigations for complex issues seen internally and by the customer.

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 2 years prior relevant experience or an Advanced Degree in a related field.
• Demonstrated professional experience communicating in English (verbal and written).
• Familiarity with Agile methodologies.
• Experience with Embedded Development using object-oriented design
• Experience with development tool sets, for example, Jira, Subversion/Git/Version Management
• 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 Command line Linux and embedded C/C++.
• Software level debugging experience.
• Knowledge of RF, HF, radio basics
• Familiarity with Git, Jira, Bitbucket, Confluence, and Coverity.
• Experience with Bash and Python scripting languages

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
• Participation in the Employee Scholar Program (ESP)
• Life insurance and disability coverage
• Employee Assistance Plan, including up to 8 free counseling sessions.
• And more!

Learn More

Collins Aerospace, an RTX business, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Join our growing engineering team in Puerto Rico, where you will provide critical support to all Collins SBUs, working on exciting programs and projects ranging from the development of the next generation of advanced concept ejection seats to the latest technologies for the U.S. warfighter.

WE ARE REDEFINING AEROSPACE.

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.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Privacy Policy and Terms:

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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.