Ground Systems Engineer II/Senior – Fluids
- Salary
- $87,000 - $135,000
- Level
- Senior
Not stated in the posting: work type, visa.
Open. First seen 2 October 2026.
About the role
Rocket Lab Corporation's standard text
ABOUT ROCKET LAB
Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity’s reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us.
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!
GROUND SYSTEMS ENGINEER II/SENIOR – FLUIDS
As a Ground Systems Engineer II/Senior – Fluids, you will be the subject matter expert and technical decision-maker, responsible for design, build, and activation activities associated with critical systems that directly support the Neutron Launch Vehicle. You’ll work on systems that operate in harsh and hazardous environments, ensuring that they meet the rigorous demands of space exploration.
This role is hands-on and collaborative, requiring you to work closely with suppliers, technicians, and cross-functional teams to deliver world-class solutions. From concept to commissioning, you will play a key role in ensuring Rocket Lab’s Ground Systems are reliable, efficient, and ready to support our missions.
WHAT YOU’LL GET TO DO:
- Design of fluid systems including cryogenics, hydraulics, fuels, high pressure gases and HVAC.
- 2D and 3D modelling through the use of CAD software, specifically NX.
- System sizing and analysis by hand calculation and numerical methods
- Generate & maintain schematics of fluid/process systems e.g. P&IDs, connection diagrams.
- Component selection, development, and maintenance of BOMs
- Interact with suppliers and internal teams
- Support certification of launch pad fluid systems
- Support maintenance program development
(NOTE: This position can be hired as a Level II Engineer or a Senior Engineer I level.)
YOU’LL BRING THESE QUALIFICATIONS AS A LEVEL II ENGINEER:
- ABET accredited Bachelor’s degree in Mechanical Engineering or equivalent.
- Strong engineering fundamentals and ability to perform required design calculations with limited guidance from senior level engineers.
- 2+ years of experience in directly applicable design, testing, and/or operations within the aerospace or industrial sectors.
- Knowledge of fluid systems, sizing calculations, and P&IDs.
- Proficiency in CAD software (NX, Solidworks)
YOU’LL BRING THESE QUALIFICATIONS AS A SENIOR ENGINEER I:
- ABET accredited Bachelor’s degree in Mechanical Engineering or equivalent.
- Ability to mentor and guide entry level engineers through the design process of fluids systems.
- 5+ years of experience in directly applicable design, testing, and/or operations within the aerospace or industrial sectors.
- Knowledge of fluid systems, sizing calculations, and P&IDs.
- Proficiency in CAD software (NX, Solidworks)
THESE QUALIFICATIONS WOULD BE NICE TO HAVE:
- Advanced Degree in Mechanical Engineering or Equivalent
- Ability to thrive in a fast-paced, autonomous environment
- Professional Engineer License
- Experience with Piping systems (large or small)
- Experience with launch pad systems, engine test stand, or other similar industry experience
- Experience with rocket or payload conditioning systems
- Experience with equipment for use with Oxygen
- Experience with Nodal Analysis Tools (e.g. GFSSP, AFT)
- Experience with pipe stress software (e.g. Ceasar II)
- Experience with ASME, ASTM, NFPA, and/or NASA ground system standards would be an asset
Rocket Lab Corporation's standard text
This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production areas.
The expected salary range for the position is displayed in accordance with the state of Virginia’s pay transparency requirements. Final agreed upon compensation is based upon individual qualifications and experience.
Base salary is only one part of Rocket Lab’s compensation package for this role. You may be eligible for company stock, or cash incentives, and can purchase discounted stock through Rocket Lab’s Employee Stock Purchase Program. Employee benefits also include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid vacation, holidays, and sick leave; paid parental leave; and other discounts and perks.
Base Pay Range (VA Only)
$87,000—$135,000 USD
Rocket Lab Corporation's standard text
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.
Important information:
Rocket Lab Corporation's standard text
FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.
Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
Rocket Lab Corporation's standard text
Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at g.biow@rocketlabusa.com.This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days.
FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:
For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations.
Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.
What this role asks for
Particular to this role
SolidWorks
Rare in Rocket Lab Corporation's other 299 open postings.
72% of this description is written for the role. The rest is Rocket Lab Corporation's standard text, folded away below.
Compared with Rocket Lab Corporation's other open jobs.
The team: Neutron - LC3 HIRES STEADILY
This role is one of 19 open in Neutron - LC3. 5 were posted in the last 30 days and the oldest in December: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (5 of 19), HTML (3 of 19), Java (3 of 19), Networking (3 of 19), PLC (2 of 19), Siemens NX (2 of 19), SolidWorks (2 of 19)
OTHER ROLES ON THIS TEAM
- Test and Launch Operations Engineer II posted Oct 21
- Vehicle Test and Launch Engineer II posted Oct 9
- Avionics Test and Launch Engineer II posted Oct 9
- Test Engineering Intern Spring 2027 posted Sep 24
- Test Engineering Intern Summer 2027 posted Sep 24
- Ground Systems Engineer II - Structures & Mechanisms posted Aug 19
- Avionics Test and Launch Engineer II posted Aug 14
- Senior Manufacturing Engineer posted Aug 5
- Manufacturing Engineer II posted Aug 5
- Test and Launch Engineer II - Vehicle posted Jul 14
- Test and Launch Engineer II - Launch Pad posted Jul 14
- Lead Test & Launch Operations Engineer – Launch Pad posted Jul 10
- Lead Test & Launch Operations Engineer – Avionics posted Jul 10
- Lead Test & Launch Operations Engineer - Vehicle posted Jul 10
- Senior Vehicle Test and Launch Engineer posted Mar 10
- Senior Avionics Test and Launch Engineer posted Mar 10
- Vehicle Integration Engineer II posted Dec 18
- Senior Vehicle Integration Engineer posted Dec 18
From the team and dates on Rocket Lab Corporation's own job board.
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