Modeling, Operability, and Performance Engineer (Hybrid)

globalhr; Aguadilla (PR); Hybrid; USD 70,000 - 90,000; Full time

Benefits offered by this job

Employee Scholar Program

Job summary

RTX, Pratt & Whitney, seeks an Engineer II to support the Engine Design & Systems Integration group. The role focuses on modeling propulsion, operability, and performance across engine programs. You will work with multidisciplinary teams to ensure accurate models and robust assessments.

You will also generate documentation, communicate results to leadership, and travel up to 10%. A STEM degree and 2 years of engineering experience meet the baseline for this opportunity.

Qualifications

• Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM).
• 2 years of engineering experience, or an Advanced Degree with GPA 3.0+.

Responsibilities

• Design and validate NPSS model updates from system requirements per AS5571.
• Perform engine performance analyses for design studies and trades.
• Contribute to operability assessments and surge margin analyses.
• Analyze engine test data to calibrate models and validate operability.
• Prepare technical docs and communicate results to teams and leadership.
• Collaborate with cross‑functional teams to ensure quality products.
• Support troubleshooting of discrepancies between predicted and actual performance.
• Contribute to continuous improvement of modeling tools and workflows.
• Travel up to 10% as required.

Skills

Gas turbine fundamentals

Agile development

Modeling & data analysis

Teamwork & communication

Propulsion system performance

Education

Bachelor's degree in STEM

Tools

NPSS

Python

MATLAB

Job description

Date Posted: 2026-08-24

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

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

Pratt & Whitney seeks a motivated and detail-oriented Engineer II to support the Engine Design & Systems Integration (EDSI) area. The EDSI organization is a multi-functional group that provides system-level engineering solutions to meet customer requirements.

As a Modeling, Operability & Performance Engineer, you will provide technical support to the development, analysis, and validation of engine propulsion models and associated operability and performance deliverables. The individual will work closely with multidisciplinary engineering teams to ensure accurate modeling, robust operability assessments, and high-fidelity performance predictions across all engine programs and development phases.

• Design and validate engine component updates of NPSS models from system and subsystem requirements in accordance with AS5571 guidelines.
• Perform engine performance analyses in support of design studies, trade evaluations, testing, and program-level decision-making.
• Contribute to operability assessments, including surge margin analysis, transient behavior review, limit definition, and support to flight/test readiness activities.
• Assist in processing and analyzing engine test data to calibrate models, verify performance, and validate operability assumptions.
• Generate technical documentation, presentations, and reports to communicate model results, performance trends, risks, and recommendations to engineering teams and leadership.
• Collaborate with systems, controls, aero/thermal, structures, and test teams to ensure integrated, consistent, and high-quality technical products.
• Support troubleshooting and root-cause investigations of discrepancies between predicted and measured performance or operability metrics.
• Contribute to continuous improvement initiatives that enhance modeling tools, analysis methodologies, and workflows.
• Based on business needs, the incumbent may be required to support other duties/functions within the company.
• Travel up to 10%.
• English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.

Qualifications You Must Have

• Bachelor's Degree in Science, Technology, Engineering or Mathematics (STEM)
• 2 years of engineering experience, or an Advanced Degree with a GPA of 3.0 or higher.

Qualifications We Prefer

• Knowledgeof gas turbineenginefundamentals, with emphasis on engine propulsion and component matching analyses.
• Familiarity with agile development methods
• ExperiencewithNPSS, Python,MATLAB, or similar modeling/data-analysistools.
• Exposure to engine development cycles, test environments, or design reviews.
• Communication and teamwork abilities to work within a multidisciplinary environment.
• Experience supporting propulsion system performance or operability tasks in an aerospace setting.
• Knowledge in Data Analytics, Machine Learning, and/or Model Based System Engineering.
• Communication, interpersonal, and organizational skills

What We Offer:

• Employee Scholar Program

What Is My Role Type:

• Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. This means that responsibilities of the job need to be performed onsite on a regular basis.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

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.