Mbse System Engineer Jobs in Puerto Rico (NOW HIRING)

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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 seeking a Principal Systems Engineer to serve as a technical leader and subject matter expert (SME) in Model-Based Systems Engineering (MBSE), embedded control systems, and system‑level architecture and requirements development. This role requires broad expertise in aerospace systems, safety‑critical development processes, systems architecture, requirements flow-down, modeling, simulation, and verification.

The Principal Systems Engineer will lead complex system architecture efforts, guide MBSE methodologies, ensure compliance with aerospace standards, and provide technical mentorship to engineers across the organization. The position requires strong communication skills, cross‑functional collaboration, and the ability to evaluate technical risk across system interfaces and development phases.

This role may require limited travel (up to 10%).

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.

What YOU will do:

• Lead MBSE-based development of embedded control systems, including system functional decomposition, logical architecture, and requirements definition.
• Serve as a technical leader for MBSE activities, setting best practices, modeling standards, and review methodologies.
• Interpret customer specifications and define system-level requirements for electronic control boxes and related avionics/electromechanical subsystems.
• Perform modeling, simulation, requirements validation, and architectural analysis using MATLAB/Simulink and MBSE tools.
• Evaluate system interfaces, data flows, dependencies, technical risks, and compliance with ARP 4754/ARP 4761 or equivalent standards.
• Define and validate system architectures, collaborating with electrical, electronics, software, safety, and reliability engineering teams.
• Manage and maintain system requirements using tools such as DOORS, Polarion/LiveDoc, or Jira, ensuring traceability and compliance.
• Support system-level integration and verification planning, including simulation‑based verification, PoC evaluation, and subsystem interaction analysis.
• Prepare and present technical reports, architecture rationales, and system analysis summaries for leadership and customer engagements.
• Guide cross-functional teams in interpreting system specifications, defining process requirements, and resolving technical questions.
• Develop and continuously improve internal standards, modeling guidelines, architecture review processes, and MBSE frameworks.
• Mentor and support systems engineers by providing leadership, technical depth, and oversight of MBSE, requirements, and system architecture activities.

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 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 across all levels of an organization (verbal and written).
• Demonstrated experience with modeling, simulation, and system analysis.
• Experience leading electronic or embedded system design and development.
• Strong stakeholder management and cross‑functional leadership skills.
• Experience developing system architectures and system requirements for aerospace or safety‑critical products.
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Qualifications We Prefer:

• Degree in Electrical Engineering, Electronics Engineering, Systems Engineering
• Proficiency with ARP 4754, ARP 4761, or equivalent aerospace systems standards.
• Experience with SysML, Cameo Systems Modeler, or other MBSE tools/frameworks.
• Knowledge of aerospace certification processes and safety‑critical development.
• Familiarity with embedded system communication protocols (CAN, ARINC, RS‑422, etc.).
• Experience in simulation-based verification or modeling of complex system interactions.
• Strong technical judgment and the ability to assess system-level impacts and risks.
• Experience interpreting engineering drawings, interface control documents (ICDs), and requirements specifications.
• Experience working with global, multi-site engineering teams.
• Prior experience in aerospace, defense, or advanced structures programs.

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 & Apply Now!

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.

* Please consider the following role type definition as you apply for this role.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite.  Ratio of time working onsite will be determined in partnership with your leader.

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.

Apply now and be part of the team that’s redefining aerospace, every day.

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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