Senior Propulsion Transients & Performance Engineer I

Rocket Lab is a global leader in launch and space systems. 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 provided reliable access to orbit since 2018, becoming one of the most frequently launched rockets in the world. Neutron will be our next rocket on the launch pad, an advanced 13-tonne payload class, reusable rocket to launch the mega constellations of the future. Our space systems business includes our extensive line of satellites and components that have enabled more than 1,700 missions including the James Webb Space Telescope, NASA Psyche Mission, Artemis I, Mars Ingenuity helicopter, and more. Join our pioneering team and launch your career to new heights!

Neutron

Neutron is a medium lift launch vehicle capable of delivering the mega constellations of tomorrow, high assurance payloads, and human spaceflight. As a highly reusable launch platform, Neutron will deliver a highly cost-effective and reliable launch solution leveraging Rocket Lab's proven execution history with the Electron program. If you're interested in joining a high performing team, pushing the boundaries with a clean sheet development of re-usable liquid launch vehicle, this is your opportunity!

Senior Propulsion Transients & Performance Engineer I

The Propulsion Transients & Performance Engineer is responsible for the creation, maintenance, of engine transients and steady state models as well as owning the overall performance of the startup and shutdown of the Archimedes Engines. They will help develop startup and shutdown campaigns for all the engines in the Archimedes engine family. They will also assist in the maintaining engine performance models used for vehicle level analysis.

What You'll Get To Do:

• Develop transient startup and shutdown simulations for the Archimedes engines family.
• Develop and maintain startup and shutdown valve sequences as well as test campaigns for the verification and engine transients.
• Support test site and vehicle transients test campaigns with data review, model grounding, and valve sequence changes for engine testing.
• Serve as the technical expert engine POC for all engine transients.
• Work closely with other engine leads to ensure to communicate subcomponent needs as well as vehicle system needs to support healthy engine transients.
• Creation and maintenance of data processing tools

You'll Bring These Qualifications:

• Bachelor's degree in mechanical engineering, aerospace engineering or related field
• 5+ years experience with fluids system analysis of a cryogenic liquid propulsion rocket engine.
• Demonstrated expertise using or building a lumped parameter fluid analysis tool.
• Knowledge of fundamentals in fluid dynamics, thermodynamics, and fluid system design.

These Qualifications Would Be Nice To Have:

• Advanced degree in a fluid mechanics-heavy field
• 4+ years experience designing and operating an engine system or components for a staged combustion rocket engine.
• Experience with ROCet Engine Transient Simulation Software (ROCETS)
• Experience with Methyl/LOX fluid systems.

Additional Requirements:

• Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to focus.
• Regularly required to sit, use hands and fingers, operate computer keyboard and controls, and communicate verbally and in writing.
• Must be physically able to commute to buildings.
• Occasional exposure to dust, fumes and moderate levels of noise.

Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Base salary is just one component of our total rewards package at Rocket Lab. Employees may also receive company equity and access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored medical HSA plan option, dental and vision coverage, 3 weeks paid vacation and 5 days sick leave per year, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match. Other perks include: Discounted employee stock purchase program, subsidized EV charging stations, onsite gym, food and drinks, childcare concierge, and other discounts. Eligibility for benefits may vary based on employment status, please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company's discretion.

Base Pay Range (CA Only): $107,000 - $133,800 USD

What To Expect:

We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.