Mach Industries · 3 days ago
Propulsion Test Engineer
San Luis Obispo, CA
Full-time
Onsite
Entry, Mid Level
2+ years expMach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. The Propulsion Test Engineer will support the calibration and testing of advanced small engine systems, ensuring their performance, reliability, and manufacturability to maintain the United States’ strategic edge in modern warfare.
Drone ManagementIndustrialInfrastructureManufacturingNational Security
Responsibilities
Create test systems and infrastructure including test cells and instrumentation packages
Develop control systems for test cells maintaining high accuracy and quality of data reported
Execute verification and validation test plans of engines and related systems
Assist in assembly, integration, and testing activities for first articles and first flight assets
Collaborate with propulsion design, systems integration, and manufacturing teams to ensure test results inform system optimization
Analyze test data to validate engine performance, identify anomalies, and recommend improvements
Support short-term off-site testing at various test ranges as needed to meet project milestones
Qualification
Required
2+ years of experience in mechanical engineering, with a focus on engine systems, drivetrain, or complex mechanical systems, emphasis on test preferred. 5 years in related aerospace experience without degree
Multi-talented across overall test ops, understanding of flight test development campaigns and helping to lead the engineering team on requirements
Proficiency in CAD tools (e.g., NX, SolidWorks) and experience with engineering analysis tools (e.g., FEA, CFD)
Bachelor's degree or higher in Mechanical Engineering, Aerospace Engineering, or a related field
Hands-on experience with prototyping, testing, and iteration of mechanical systems
Willing to support short-term off-site testing at various test ranges
Preferred
Experience testing small turbine engines or propulsion systems for aerospace or defense applications
Familiarity with test cell design, instrumentation, and data acquisition systems for propulsion testing
Knowledge of flight test campaigns and aerospace validation processes
Experience with control systems development for high-precision testing environments
Understanding of defense industry standards for propulsion system testing and certification
Benefits
Health insurance
Retirement plans
Opportunities for professional development
Company
Mach Industries
Mach Industries is a defense manufacturing company that develops unmanned systems and defense infrastructure.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$184.7MKey Investors
BedrockSequoia Capital
2025-06-17Series B· $100M
2023-10-04Series A· $79M
2023-06-15Seed· $5.7M
Leadership Team
Ethan Thornton
Member
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