# Senior Engineer, Aerospace - Ranger (R6545)

**Company**: Shield AI
**Location**: Seattle, Washington
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Salary**: USD 141,000-211,000 per-year-salary
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.lever.co/shieldai/ec385061-efd4-436e-af14-bb6073de755a?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-engineer-aerospace-ranger-r6545-0b94c209-641/

## Description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems.

The Flight Sciences team at Shield AI integrates stability and control, aerodynamics, performance, and aeropropulsion to redefine the limits of unmanned aviation. As a Stability and Control focused engineer on this team, you will define how our aircraft trim, maneuver, and respond across the flight envelope, connecting configuration design, aerodynamic modeling, control law development, and flight test. Your analyses will directly shape control surface sizing, flight envelope limits, and the flying qualities of autonomous aircraft.

## Responsibilities

- Own Stability and Control Analysis: Evaluate static and dynamic stability, trim, control power, and flying qualities across the flight envelope, including high angle of attack, departure resistance, and failure state conditions.

- Develop High Fidelity 6DOF Models: Synthesize wind tunnel, CFD, and flight test data into aerodynamic and stability and control databases, including control effectiveness, propulsion effects, hinge moments, and flexibility effects, for use in simulation, control law design, and flight clearance.

- Shape Configuration and Control Suite Design: Define control surface sizing, control allocation requirements, center of gravity limits, and actuator rate and hinge moment requirements in partnership with controls, structures, and avionics teams.

- Drive Wind Tunnel and Flight Test Campaigns: Define stability and control test requirements, develop run plans and flight test maneuvers, and apply parameter identification methods to correlate and update aerodynamic models.

- Support Air Data and Flight Clearance: Partner with cross-disciplinary teams to define air data requirements that support stability and control needs, and deliver the analyses that establish safe flight envelopes and support stores separation and envelope expansion.

## Requirements

- Education: B.S. in Aerospace or Mechanical Engineering, or an equivalent technical field.

- Core Expertise: 3 or more years of experience in stability and control, with strong knowledge of flight dynamics, 6DOF model development, trim and linearization, and flying qualities analysis.

- Testing Background: Proven experience in wind tunnel or flight testing and translating experimental data into aerodynamic databases and simulation environments.

- Character: A demonstrated record of working hard, being a trustworthy teammate, holding yourself and others to a high standard, and being kind to others.

## Preferred Qualifications

- Computational Efficiency: Proficiency in developing custom software or scripting in MATLAB, Simulink, or Python to automate analysis and maximize team throughput.

- Unconventional Configurations: Experience optimizing aircraft planforms and control suites for adequate stability and maneuverability, particularly for tailless aircraft or other non-traditional configurations.

- Flying Qualities and Flight Test: Familiarity with flying qualities criteria such as MIL STD 1797, system identification, and flight test data analysis for envelope expansion.

- Problem Solving: A proven ability to take on complex, ill-defined assignments and deliver creative, best-value engineering solutions.

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## Skills

### Required
- Aerospace Engineering
- Mechanical Engineering
- stability and control
- flight dynamics
- 6DOF model development
- wind tunnel testing
- flight testing

### Nice to have
- MATLAB
- Simulink
- Python
- MIL STD 1797
- system identification
- flight test data analysis

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