# Staff Engineer, Mass Properties - Ranger (R6353)

**Company**: Shield AI
**Location**: Seattle, Washington
**Work arrangement**: onsite
**Experience**: staff
**Job type**: Full Time Employee
**Salary**: USD 170,000-260,000 per-year-salary
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.lever.co/shieldai/69fe6764-6c4f-4549-8f9a-a704136ae360?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_3851a359-d8f

## Description

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

As a Mass Properties Engineer for Ranger, you will play a critical role in the development and optimization of autonomous aircraft systems, ensuring precise mass properties tracking and analysis throughout the product lifecycle.

## Responsibilities

- Lead and participate in system-level trade studies to optimize payload, propulsion, power distribution, thermal management, and flight dynamics.

- Conduct mass properties estimation for early-stage designs, prototyping, and full-scale production.

- Estimate, calculate, and verify weight, center of gravity, and inertia properties for components, assemblies, and complete aircraft systems.

- Develop and refine analysis tools and methods for mass properties estimation and optimization.

- Generate and maintain mass properties reports for engineering, manufacturing, and leadership teams.

- Implement and execute mass properties verification tests to validate design assumptions.

- Collaborate with cross-functional teams including aerodynamics, structures, avionics, propulsion, and manufacturing to ensure mass properties are controlled throughout development.

- Maintain and update the mass properties database to track weight trends across vehicle programs.

## Required qualifications

- B.S. in Aerospace Engineering, Mechanical Engineering, Material Science/Engineering, or related field.

- 3+ years of experience in mass properties analysis within aerospace, defense, or high-tech vehicle development.

- Proficiency in CAD software (SolidWorks, Siemens NX, or similar).

- Familiarity with mass properties industry standards (ATA100, SAWE RP A-7, RP 7, RP 8, or predecessors).

- Experience defining mass properties requirements and ensuring compliance across design iterations.

- Experience developing and maintaining a Mass Properties Management and Control Plan.

- Strong organizational skills and attention to detail.

## Additional Information

The salary for this position ranges from USD 170,000 to 260,000 per year. The full-time regular employee offer package includes pay within the range listed + bonus + benefits + equity.

## Skills

### Required
- Aerospace Engineering
- Mechanical Engineering
- Material Science/Engineering
- CAD software (SolidWorks, Siemens NX)
- Mass properties analysis
- ATA100
- SAWE RP A-7

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Source: [Apply at jobs.lever.co](https://jobs.lever.co/shieldai/69fe6764-6c4f-4549-8f9a-a704136ae360?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)