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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. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.

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Rocket Lab Corp

Senior Systems Engineer II

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In addition to the significant stock option package, the estimated salary range for this role is $95,000-$110,000, dependent on the candidate's academic level (Bachelors, Masters, or PhD) and demonstrated out of classroom experience. The ideal candidate thrives in ambiguity, can drive technically challenging projects with minimal oversight, and collaborates effectively across disciplines to deliver novel hardware solutions at scale.

Freeform

Mechanical Engineer (New Grad December 2026)

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You will work alongside an interdisciplinary team of mechanical, software, and simulations engineers to analyze massive in-situ data sets as well as post-print material characteristics and rapidly iterate on improving the printing technology with machine learning. Compensation As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process.

Senior Process Engineer (Advanced R&D)

GreenHouseAPI

Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.

Vast

Propulsion Engineer - Pressure Vessels Lead (COPV)

Serve as technical lead with suppliers of advanced compact heat exchangers, including additively manufactured and printed circuit (diffusion-bonded) units: define requirements and specifications, lead design reviews, and own qualification and acceptance testing. Own the thermal-hydraulic design of compact heat exchangers across the Arbor power system—high- and low-temperature recuperators, precoolers, and heaters—from conceptual sizing through detailed design, balancing effectiveness, pressure drop, mass, and cost.

Arbor Energy

Sr. Heat Exchanger Engineer

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We’re looking for an engineer who thrives in dynamic, customer-facing environments and is passionate about industries like aerospace, autonomous systems, and renewable energy. You’ll collaborate with product and engineering teams to translate customer requirements into actionable insights, ensuring our platform evolves to meet real-world demands.

Sift Stack

Application Software Engineer

Forward Deployed Engineer

Leading firms like BCLP, Orrick, Goodwin, Womble Bond Dickinson and Clifford Chance rely on Orbital to remove the busywork, freeing legal and real estate teams to focus on sharp judgment, standout client service, and closing deals faster. You'll work alongside our first-line support team, Customer Success, and our engineers in London to make sure customer issues are handled quickly, communicated clearly, and followed through to resolution.

Orbital

Technical Support Engineer

Our Lead Combustion Engineer serves as the technical authority pioneering our rocket-inspired, high-pressure oxy-fuel combustion systems - integral in delivering carbon-neutral and carbon-negative power cycles at scale. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand.

Lead Combustion Engineer

You'll be the person who turns integrated system behavior into clear, actionable insight — running performance studies ahead of test campaigns, reconciling predictions against test data, and growing our modeling capability into a digital-twin-quality simulation platform that supports controls development, trip response, and eventual hardware-in-the-loop testing. Deep experience with industry dynamic simulation platforms (such as GT-SUITE, Modelica/Dymola, NPSS, Flownex, Simcenter Amesim, or equivalent) applied to turbomachinery, power cycles, or closed-loop thermal-fluid systems.

Sr. Thermodynamics Performance Engineer

Here, we will pay for you to master it: Build your own agent harnesses for the kind of reverse-engineering we do—parsing undocumented binary formats, mapping vendor schemas, automating the tedious parts of integration work. At Quilter, we are helping electrical engineers save time and accomplish more by automating the tedious and time-consuming task of designing printed circuit boards (PCBs).

Quilter

Software Engineer — AI-Native CAD Integrations

Vast is rapidly developing its multi-module Haven Station to support a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and supporting a growing space economy for government, corporate, and private customers. Additionally, the company recently announced two new offerings leveraging its space station components and the heritage of Haven Demo: Vast Satellite, a high-power satellite product line; and Vast Lunar Systems, power, communications, and habitats for the Moon.

Integration Engineer, Fluid Systems Test

You will lead complex infrastructure and delivery initiatives across teams, improve platform scalability, reliability, and security, and help shape our long-term approach to cloud operations, deployment, observability, and automation. Build security and compliance into infrastructure and delivery processes, including least-privilege access, identity federation and OIDC, short-lived credentials, secrets management and rotation, auditability, certificate management, supply-chain security, and policy-as-code.

Immoviewer Inc

Senior DevOps Engineer

Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. We're looking for a Combustion Analysis Engineer to perform fluid, thermal, and structural analyses on our novel combustion systems—bringing high-performance engineering to the fight against climate change.

Combustion Analysis Engineer

Thermodynamics Performance Engineer

Orbital Witness Limited

Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we're building the future of American manufacturing-and looking for exceptional people to help make it happen. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.

Hadrian

Network Engineer

Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.

Hadrian Automation

Experience with machine learning infrastructure like GPUs, Technical expertise: Quickly understanding systems design tradeoffs, keeping track of rapidly evolving software systems. Consult with different stakeholders to deeply understand infrastructure, data and compute needs, identifying potential solutions to support frontier research and product development.

Fabric

Sequen - Staff Software Engineer – Infrastructure

OTHER

Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. This includes curating code examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go.

Building Engineer Jobs in Hawthorne, CA

Senior Systems Engineer II Rocket Lab Corp

Mechanical Engineer (New Grad December 2026) Freeform

Senior Process Engineer (Advanced R&D) Freeform

Propulsion Engineer - Pressure Vessels Lead (COPV) Vast

Sr. Heat Exchanger Engineer Arbor Energy

Application Software Engineer Sift Stack

Forward Deployed Engineer Sift Stack

Technical Support Engineer Orbital

Lead Combustion Engineer Arbor Energy

Sr. Thermodynamics Performance Engineer Arbor Energy

Software Engineer — AI-Native CAD Integrations Quilter

Integration Engineer, Fluid Systems Test Vast

Senior DevOps Engineer Immoviewer Inc

Combustion Analysis Engineer Arbor Energy

Thermodynamics Performance Engineer Arbor Energy

Technical Support Engineer Orbital Witness Limited

Network Engineer Hadrian

Network Engineer Hadrian Automation

Sequen - Staff Software Engineer – Infrastructure Fabric

Remote Full Stack Engineer Turing

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