Raytheon Technologies

Principal Systems Engineer, MBSE (Hybrid - Aguadilla, PR)

Raytheon Technologies$100K — $130K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM field with 8 years experience or Advanced Degree with 5 years experience needed.
  • Proficient in English communication for all levels of the organization.
  • Expertise in modeling, simulation, and system analysis required.
  • Experience in leading electronic or embedded system design and development.
  • Strong skills in stakeholder management and cross-functional leadership.
  • Demonstrated ability in developing system architectures and requirements for aerospace products.

Responsibilities

  • Lead MBSE-based development of embedded control systems.
  • Serve as a technical leader for MBSE activities and methodologies.
  • Define system-level requirements and interpret customer specifications.
  • Perform modeling, simulation, and requirements validation using MBSE tools.
  • Evaluate technical risks and system interfaces against aerospace standards.
  • Collaborate with engineering teams to define and validate system architectures.
  • Prepare technical reports and present findings to leadership and stakeholders.

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with employer matching
  • Employee Scholar Program (ESP) participation
  • Life insurance and disability coverage
  • Employee Assistance Plan with free counseling sessions
  • Additional benefits offered.
Full Job Description
Date Posted:
2026-07-23
Country:
United States of America
Location:
US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110
Position Role Type:
Hybrid
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance:
None/Not Required

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.

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.

Stay Connected

Keep up to date with career tips, industry insights, and the latest innovations—all from the people who work here. Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences.

Prepare for Your Future

Ready to apply? Enhance your resume and prepare for your interview with our comprehensive support tools and resources. Discover the exciting and rewarding career opportunities that await at Raytheon Technologies.

SEARCH RAYTHEON TECHNOLOGIES JOBS

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

Similar Jobs

More Jobs at Raytheon Technologies

More Aerospace & Defense Jobs

Find similar Principal Systems Engineer, MBSE (Hybrid - Aguadilla, PR) jobs: