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Senior Thermofluids Analyst

Rocket Lab Corporation
CompanyRocket Lab Corporation
CategoryEngineering
LocationAuckland
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted25 Jun 2026
Last verified3 Aug 2026
SourceEmployer career page (greenhouse)
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Description
ABOUT ROCKET LAB Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access to space. The rockets and satellites we build and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.   Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.    While other companies talk about it, we do it!   NEUTRON Rocket Lab’s Neutron team is responsible for bringing our new large rocket Neutron and its launch and test sites to life. From designing and testing Neutron’s structures and components, to firing up its new Archimedes engines, to setting up Neutron’s launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time. SENIOR THERMOFLUIDS ANALYST Rocket Lab’s integrated analysis team contributes to the operation and development of Neutron & Electron by using modelling and simulation to solve challenging problems involving dynamics, fluid flow, and thermodynamics. Whether it is using CFD simulations, writing code to model flow physics, or applying data analysis on flight measurements to understand & improve vehicle performance, analysis is critical to guide changes and develop the capability of our launch vehicles. As a Thermofluids Analyst II in Rocket Lab’s Thermofluids Analysis team you will contribute to the analysis, design validation, and improvements of Rocket Lab’s launch vehicles.    Day to day, you will be expected to conduct concept development, perform trade studies, run simulations, and evaluate performance around Neutron’s pressurisation, propellant management, and reaction control systems. You will be responsible for evaluating system sizing, propellant depletion, slosh, propellant loading & conditioning, and CONOPS across all flight phases (Ascent, Descent, On-Orbit).   Join a driven team that’s tackling challenging projects, delivering on exciting missions, and making an impact on the future of space! WHAT YOU'LL GET TO DO:   Perform, validate, and document CFD analyses of launch vehicle fluid systems (compressible/incompressible flow, two-phase, aerodynamics, choked flow) Conduct heat transfer simulations including integrated thermal analyses (ITAs), component thermal analyses, aeroheating thermal response, and TPS specification Perform thermofluid analyses of launch vehicle systems including model development, numerical analysis, material selection, and performance optimization studies Collaborate with design and test engineers to iterate design concepts, determine test requirements, and demonstrate positive margins Process and interpret ground test and flight data to verify MPE bounds, detect anomalies, resolve sensor issues, and determine root causes using physical principles Conduct peer reviews, document methodologies, and produce test levels (Acceptance, Proto-qualification, Qualification) using approved margining approaches Support subsystem testing through test-analysis correlation, pre/post-test reports, and standardization of analysis procedures per industry best pract
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