Cost Modeling Engineer: Affordability & LCC

Prattwhitney; Tucson (AZ); On-site; USD 68,900 - 131,100; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) match

Flexible work schedules

Paid time off and holidays

Employee Scholar Program

Parental leave

Job summary

RTX is seeking a cost modeler in Tucson to develop and update cost models for development, production, and sustainment. You will populate inputs from engineering, operations, suppliers, and finance, and identify drivers that affect cost outcomes for DTC, CAIV, and LCC analyses.

The role requires U.S. citizenship and the ability to obtain a DoD Top Secret clearance. Strong data interpretation skills and experience with Python/R/MATLAB/Power BI are highly valued.

Qualifications

• STEM degree with at least 2 years of relevant experience.
• Experience in engineering, manufacturing, or supply-chain environments.
• Experience with cost modeling, economics, statistics, or data interpretation.

Responsibilities

• Support the development and execution of cost models for development, production, and sustainment forecasting.
• Populate cost model inputs using validated engineering, operations, supplier, and financial data.
• Identify key cost drivers and evaluate how technical or manufacturing decisions influence cost outcomes.
• Contribute to analyses for Design-to-Cost (DTC), Cost-as-an-Independent-Variable (CAIV), and lifecycle cost modeling (LCC/TOC).
• Apply basic statistical methods such as trend analysis, simple regression, and variance analysis to assess cost behavior.
• Perform sensitivity analyses related to quantity, production rate, design changes, and supplier variations.
• Maintain traceable data, assumptions logs, and documentation to support model credibility.
• Support Business Case Analyses (BCA’s) and evaluations of cost-reduction opportunity (CRO).
• Collaborate with Affordability Leads and senior Modelers to align cost modeling with program requirements and RLPM needs.
• Update cost models as new data becomes available to ensure accuracy and relevance.

Skills

Cost modeling

Statistics

Data interpretation

Python

Education

STEM degree

Tools

Python

R

MATLAB

Tableau

Power BI

Excel

Job description

RTX is seeking a cost modeler in Tucson to develop and update cost models for development, production, and sustainment. You will populate inputs from engineering, operations, suppliers, and finance, and identify drivers that affect cost outcomes for DTC, CAIV, and LCC analyses.

The role requires U.S. citizenship and the ability to obtain a DoD Top Secret clearance. Strong data interpretation skills and experience with Python/R/MATLAB/Power BI are highly valued.