Mass Properties Integration Engineer

Blue Origin LLC; Seattle (WA); On-site; USD 121,000 - 169,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Education Support Program

Stock Options

Paid Time Off

Job summary

Blue Origin in Seattle is seeking an experienced Systems Engineer III to support mass properties for the Mk1 Transfer Stage, owning the mass-budgets BOM, CG, and related data as the vehicle design matures.

You will collaborate with Fluids, Avionics, Thermal, GN&C, and Structures teams to identify mass-reduction opportunities and drive design reviews that balance performance, cost, and producibility across the lifecycle.

Qualifications

• 5+ years of ownership of mass budget.
• Proficiency with CATIA, NX, SolidWorks or Creo.
• Understanding of CG, moments and inertia, and mass margin management.
• Python and MATLAB for data tracking and reporting.
• Strong communication and teamwork; ability to work across groups.
• U.S. citizenship or eligible to work in the U.S.

Responsibilities

• Maintain the MK1 Transfer Stage mass-properties model with accurate mass, CG, and inertia data.
• Support mass roll-ups and margin tracking against stage allocations.
• Reconcile predicted vs measured mass properties and investigate root causes.
• Assist planning of CG and weighing operations, including test setup and data analysis.
• Identify downstream consumers of mass properties data and best delivery methods.
• Track propellant loading and mass properties across mission phases from launch to docked.
• Generate routine status reports and present findings at reviews and milestones.
• Maintain configuration control of mass properties documentation.
• Own the Transfer Stage mass budget and allocation flow-down to subsystems.
• Champion minimum-mass solutions and drive reduction opportunities to closure.
• Lead mass trade studies with manufacturing balancing mass, cost, schedule, and producibility.

Skills

Mass budget ownership

CAD proficiency

Python

MATLAB

Education

B.S. in Aerospace Engineering or Mechanical Engineering

Tools

CATIA

NX

SolidWorks

Creo

Job description

Blue Origin in Seattle is seeking an experienced Systems Engineer III to support mass properties for the Mk1 Transfer Stage, owning the mass-budgets BOM, CG, and related data as the vehicle design matures.

You will collaborate with Fluids, Avionics, Thermal, GN&C, and Structures teams to identify mass-reduction opportunities and drive design reviews that balance performance, cost, and producibility across the lifecycle.