drjobs Propulsion Engineer - Engine Balance Analyst

Propulsion Engineer - Engine Balance Analyst

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1 Vacancy
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Job Location drjobs

Kent, WA - USA

Monthly Salary drjobs

$ 104500 - 141400

Vacancy

1 Vacancy

Job Description

A thriving economy in space is needed to make life on Earth more vibrant sustainable and equitable. Space technology will enable global access to information solutions to climate change answers to global food security products that transform healthcare clean energy production and more. Today rocket launch options are slow expensive and unreliable. Stoke is building the worlds most efficient fully and rapidly reusable rocket designed to fly daily that will radically increase access to space and open up the space economy to safeguard our precious home Earth.

Description

Fully reusable launch vehicles are the key to seamlessly connecting Earth and space. As an Engine Balance Analyst at an earlystage startup you will own the control system design transient analysis engine balance simulation and modeling activities for advanced reusable rocket engines. You will work closely with all aspects of engine design and testing; creating performance maps building engine simulations defining engine control schemes and developing reducedorder HIL and flight controller models. You will seek out stateoftheart analysis techniques and build tools to advance the company standards for engine performance analysis methods.

Responsibilities

  • Develop Stokes inhouse enginesimulation software stack
  • Author and maintain 1Dlumped parameter models for a pumpfed rocket engine
  • Collaborate with GNC and vehicle software REs to develop and tune engine control schemes
  • Own the generation of engine control tables tuning orifices and sensitivity maps. Develop tools and processes for others to routinely generate these
  • Be the expert on your engines transient behavior. Develop valve schedules and sequence logic for all nominal and offnominal startup and shutdown scenarios
  • Trend engine and component performance parameters across different hardware configurations test stands/vehicles and iterations
  • Create new nodes solvers interfaces etc for Stokes fluid modeling libraries (Rust/Python based)
  • Author APIs libraries and web interfaces (React) for engineering consumption of model results performance curves and hardware history/performance
  • Guide engine development and iteration. Maintain uptodate trade factors across the engine system and work with vehicle and subcomponent REs to identify and implement improvements to efficiency power and reliability
  • Conduct groundup architectural trade studies for future engine versions

Qualifications

  • Fundamentals in thermodynamics heat transfer fluid mechanics compressible flow and cryogenics
  • Ability to determine appropriate level of work for a problem (from hand calcs to multiphysics finite element solutions) and execute the work accordingly
  • In depth knowledge of Rust C/C Python and/or Javascript
  • Experience in web development using React/Flask or similar tech stacks
  • Experience in data visualization and interpretation particularly timeseries and frequencydomain (e.g. spectrograms waterfall plots FFTs)
  • Proficiency in analyzing multiphase fluid flow and heat transfer especially related to cryogenics
  • Experience with engine control schemes for controlling mixture ratio and thrust
  • Experience with openloop and closedloop feedback control systems
  • Experience developing detailed multivariable performance maps of pumps turbines injectors valves regens and manifolds derived from design data CFD and test data
  • Experience building and anchoring steadystate and transient 1D engine models
  • Experience building reducedorder models for HardwareintheLoop (HIL) plant models and flight controller models
  • Expertise in 1D (lumped parameter) system simulation tools and thermal/fluid modeling tools (e.g. ROCETS SINDA/FLUINT GFSSP Simulink Amesim etc.
  • 2 years of experience in transient performance modeling of complex engineering systems
  • Ability to lead
  • Ability to follow
  • Excellent written and verbal communication
  • Bachelors degree in mechanical or aerospace engineering or similar
  • Willing to relocate to Seattle WA.

Benefits

  • Medical dental vision and basic life insurance
  • 401(k) match
  • Paid time off
  • Flexible scheduling
  • Equity

Compensation

Target Levels:

  • Level 2 range: $104500 $141400
  • Level 3 range: $123000 $184000
  • Level 4 range: $144100 $240100

Our job posts are intentionally written to attract a wide variety of experience levels and we make decisions about the right fit on a percandidate basis.

Your actual level and base salary will be decided based on your specific experience and skill level.

To conform to U.S. Government space technology export regulations including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen lawful permanent resident of the U.S. protected individual as defined by 8 U.S.C. 1324b(a)3 or eligible to obtain the required authorizations from the U.S. Department of State.

Equal Opportunity

The Company is an Equal Opportunity Employer including with respect to disability and veteran status. It is committed to compliance with all equal opportunity laws including the Immigration and Nationality Act (INA) and Title VII. It does not discriminate on the basis of nationality race citizenship immigration status or any other protected class when it comes to employment practices including hiring.

Employment at the Company is contingent upon satisfactory completion of reference and background checks and on your ability to prove your identity and authorization to work in the U.S. for the Company. Employees must comply with the United States Citizenship and Immigration Services employment verification requirements and therefore they must complete an Employment Eligibility Verification Form I9 at the start of employment and reverify authorization to work periodically.

Separate from this I9 process this position entails access to certain technology and technical data that is restricted under U.S. export control laws and regulations. Employment or continued employment may be conditioned on your legal authorization to work with or have access to export control materials as necessary to perform your job.


Required Experience:

IC

Employment Type

Full Time

Company Industry

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