APU/TJ Engine System Software Principal Engineer P4 (Onsite)

Date Posted:

2026-07-06

Country:

United States of America

Location:

US-FL-JUPITER-ADR ~ 17900 Beeline Hwy ~ ADR BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At RTX, the world 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. 

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What you Will Do:

Controls and Diagnostic Systems is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development including: requirements analysis & definition, system & software architecture, algorithm design, and product software design, verification & validation. We integrate the control and diagnostic system design across other engine system modules and with the air vehicles and provide support throughout the complete engine product life cycle. In this role, you will be supporting the Auxiliary Power Unit (APU) and Expendable Turbojet (TJ) business units.

Job responsibilities include:

• Support control system integration across engine subsystems including FADEC (Full Authority Digital Engine Control), sensors, actuators, fuel systems, and electro-mechanical components.
• Develop, manage, and decompose system and subsystem requirements in accordance with ARP4754 guidelines.
• Own requirements lifecycle activities including authoring, allocation, traceability, validation, and verification.
• Support hardware selection, trade studies, and integration of sensors, effectors, and control system components.
• Apply Model-Based Systems Engineering (MBSE) using Cameo Systems Modeler.
• Translate control system requirements into Model-Based Design (MBD) implementations in MATLAB Simulink for software development.
• Develop and validate Simulink models for actuation systems (starter-generators, fuel systems, pneumatic systems).
• Up to 10% Travel

What You Will Learn:

This role will give you exposure to a wide variety of engineering challenges and you will be involved in a critical role for F135 and F119 along other commercial and military programs.

The position is based at the P&W West Palm Beach facility and will report to the DPLM, Associate Director.

Qualifications You Must Have:

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)
• 8 years of engineering experience or 5 years with an advanced degree

Qualifications We Prefer:

• Familiarity with gas turbine engine operation, control, and system integration.
• Experience in engine control system design and validation.
• Familiarity with MBSE tools such as Cameo Systems Modeler.
• Proficient in system/software design tools such as Cameo Systems Modeler and MATLAB Simulink.
• Experience in engine control input/output electrical interfaces.
• Experience in fuel and actuation architecture studies and system design.

What We Offer:

• Benefits
• Relocation Assistance

Learn More & Apply Now!

Engine Design & Systems Integration (EDSI)

Controls & Diagnostics Systems (CDS)

CDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help faci