Senior Flight Software Engineer - Neutron at Rocketlab

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 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 FLIGHT SOFTWARE ENGINEER – NEUTRON As a Senior Flight Software Engineer based at Rocket Lab’s Auckland, New Zealand site, you will support the development of the next‑generation Command & Data Handling system for the Neutron launch vehicle. In this role, you will work across the full software stack to build core flight software, simulation frameworks, and development tools that enable mission‑critical applications. To be successful, you must be a proactive problem‑solver with strong technical judgment, a collaborative mindset, and a passion for building reliable systems that fly. Join a driven team of pioneers relentlessly tackling challenging projects, delivering on the impossible, and making an impact on the future of space! WHAT YOU’LL GET TO DO • Develop core C++ flight software for the Neutron launch vehicle across embedded and application layers • Build and maintain simulation frameworks for end‑to‑end mission validation and HITL integration • Create Python‑based tools, including code generators and data‑analysis utilities • Lead or contribute to architecture trades, design reviews, and backlog refinement • Support the full software lifecycle—from planning and implementation to deployment of operational software • Deliver high‑impact engineering projects spanning multiple teams and disciplines YOU’LL BRING THESE QUALIFICATIONS • Degree in Computer Science, Electrical/Computer Engineering, or equivalent • 5+ years of experience developing modern C++ and/or embedded software • Experience with Python or similar scripting languages • Experience with CI/CD, deployment tooling, Git, and issue tracking systems • Demonstrated success working in fast‑paced environments with shifting priorities THESE QUALIFICATIONS WOULD BE NICE TO HAVE • Experience with highly reliable or safety‑critical software systems • Background in requirements‑driven software design • Strong mathematical foundation • Experience with machine learning • Experience developing simulation software for control or physical systems (e.g., rockets, UAVs, autonomous vehicles) If the above sounds like you apply now! 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: 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. Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at [Upgrade to PRO to see contact] 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.