CareerPlanSign in

Multi-Domain Trajectory Design Engineer/Senior Multi-Domain Trajectory Design Engineer

El Segundo, CA, US💼 Full-time💰 $129,000–$129,000🗓 2026-09-24 → 2026-09-26

Core

Design and optimize trajectories for hypersonic systems, missiles, interceptors, and reentry vehicles across orbital and atmospheric regimes.

Role type

Senior IC trajectory design engineer (aerospace/defense)

Builds

Trajectory optimization algorithms, mission design tools, and simulation models for defense and civil space programs

Domain

Aerospace defense, orbital mechanics, hypersonics

Deliverable

production ML models | product features

Required skills

orbital mechanics, astrodynamics, trajectory design and optimization, optimal control, algorithm development, C/C++/Python/Fortran/MATLAB proficiency

Preferred skills

nonlinear programming, direct transcription methods, multi-disciplinary design optimization (MDO), contested space mission evaluation, wargaming

Technologies

ASSET, GPOPS-II, SNOPT, POST, OTIS, Copernicus, GMAT, EMTG

Responsibilities

Perform trajectory design and optimization for hypersonic/high-speed systems; conduct missile system simulation and performance analysis; develop CONOPS and integrate operational constraints; build algorithm and software R&D for internal tool base; support cislunar and exploration-class trajectory optimization; execute astrodynamics analysis for orbit propagation and maneuver design

Seniority

Senior, hands-on IC with strategic scope

Sourced via workday · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.