Honeywell Aerospace US LLC
Torrance, CA
Honeywell Aerospace is seeking an experienced Principal Systems Engineer specializing in Environmental Control System (ECS) modeling and analysis. This role focuses on developing and validating ECS system‑level models with an emphasis on steady state performance, thermodynamics, and aircraft environmental/thermal management. The ideal candidate will bring deep technical expertise and the ability to drive system‑level analysis that supports design, integration, and customer requirements. Responsibilities Key Responsibilities Lead the creation, enhancement, and maintenance of ECS system‑level models for steady‑state performance prediction, trade studies, and design optimization. Conduct system architecture studies, evaluating alternative ECS configurations, subsystem interactions, load paths, and integration strategies. Perform thermodynamic and fluid‑flow analysis of air cycle systems, air‑conditioning packs, bleed air systems, PTMS, NGS, and related ECS subsystems....