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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.  SPACE SYSTEMS At Rocket Lab, we’re not just launching rockets — we're building the future of space. Our Space Systems team builds everything from complete spacecraft and precision payloads to the components and subsystems that allow them to thrive in space, such as solar panels, flight software, star trackers, optical systems, separation systems, radios, and more. Our Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration and in-space manufacturing to national security and defense initiatives. The team has built spacecraft, payloads, and components for missions to the Moon and Mars, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether it’s a single high-performance spacecraft, a constellation, or the vertically integrated components that help them get to space — our world-class Space Systems team is empowering some of the boldest and most ambitious space missions. MECHANICAL TECHNICIAN II Based out of Rocket Lab’s site in Toronto, Ontario, the Mechanical Technician II will be responsible for the integration of spacecraft precision attitude determination and control products, which are comprised of mechanical, electrical, and optical subassemblies. The successful candidate will assemble, inspect, and perform other duties associated with building products from Rocket Lab’s star tracker and reaction wheel product lines. 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: Perform mechanical integration of space hardware in a clean environment Integrate electrical subassemblies into mechanical housings Assemble and focus opto-mechanical subassemblies Conduct functional and performance testing of reaction wheel and star tracker subassemblies and units Perform final inspections (mass and photography) of parts, subassemblies, and integrated units Install bearings into reaction wheel assemblies Apply lubricant/grease to rotary components with precision Shim reaction wheels to achieve clearances and bearing preloads with precision Perform bulk cleaning of components using an ultrasonic cleaner and manual cleaning with isopropanol Occasionally rework or modify fixtures and production components Apply staking compounds (epoxy and/or Loctite) to threaded fasteners in a controlled manner Document all activities and collected data accurately YOU’LL BRING THESE QUALIFICATIONS AS A MECHANICAL TECHNICIAN II: 2+ years of experience with precision mechanical integration Excellent fine motor skills, including the ability to manipulate small components with fine tweezers Excellent vision at close range (with or without corrective lenses) THESE QUALIFICATIONS WOULD BE NICE TO HAVE: Experience working with high-reliab