Prototype Workshop Technician

Heartaerospace

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type certification of the ES-30 by the end of the decade. Your mission We are building hybrid-electric aircrafts and are establishing an in-house machine shop to support prototype, tooling, and early production efforts. We are seeking a CNC Programmer/Machinist who will be the first hire in the machine shop. You will have an opportunity to play a key role in shaping machining processes, standards, and culture.  This is a hands-on role requiring deep experience machining large aluminum structural components, developing robust processes, and transitioning work from prototype through low-rate production. The ideal candidate brings strong technical judgment, takes pride in craftsmanship, and operates with an unwavering commitment to safety and equipment care.  Key responsibilities include but are not limited to: * Program, set up, and operate CNC machines for prototype, tooling, and low-rate production components  * Machine components of various materials (Alum, SS, Steels, Ti) of varying heat treatments. Main categories include  large aluminum structural parts, battery and electrical housing development components, and miscellaneous test tooling components.   * Develop CNC programs using Autodesk Fusion (CAM)  * Operate and support:  * Haas VF-4 3-axis mills  * Haas UMC-750 5-axis mills  * Design and build fixtures and work holding, and perform complete machine setups.   * Complete machining operations through first article inspection.   * Develop tool lists and machining strategies that prioritize safety, accuracy, surface quality, and cost effectiveness  * Utilize Renishaw probing systems (tool setter and part probe) for setup, in-process verification, and inspection  * Support manual mill and lathe work for quick-turn prototype parts, tooling, and fixturing.  * Perform saw operations to prepare raw material as required and perform final deburr including edge-breaks, polish and thread work as required.   * Apply strong understanding of GD&T, datum structures, and inspection methods to ensure parts meet engineering intent  * Perform first-article inspections and support quality documentation  * Work closely with manufacturing and design engineers to influence DFM and process development  * Help establish shop best practices, standard work, and workflows as the shop grows  Safety, Organization & Culture  * Maintain an extremely high standard of safety — safety is the number one priority  * Take ownership of equipment care, preventive maintenance, and proper machine use  * Keep tooling, fixtures, and work areas organized and clearly labeled  * Support and help build a 5S / Lean manufacturing environment  * Demonstrate a proactive, can-do attitude and willingness to step in where needed  Skills & Requirements: You'll Bring These Qualifications for CNC Programmer/Machinist * 5+ years of experience as a CNC Programmer/Machinist in aerospace or high-precision manufacturing  * Significant experience machining large aluminum structural components  * Strong proficiency with Autodesk Fusion CAM  * High level of skill operating Haas VF-series 3-axis and Haas 5-axis mills  * Hands-on experience with Renishaw tool and part probing  * Experience designing fixtures and executing full machine setups  * Solid understanding of GD&T, datum structuring, and inspection techniques  * Experience with manual mill and lathe operations  * Ability to work independently and make sound machining and process decisions  These Qualifications Would Be Nice to Have: * Aerospace manufacturing experience  * Experience supporting both prototype and low-rate production environments  * Familiarity with scaling machining processes toward higher-rate production  * Experience establishing or growing a machine shop function  Why This Role  * Be the first machinist hire and help shape the future of the machine shop  * Work directly on a first-of-its-kind hybrid-electric aircraft program  * High level of ownership, autonomy, and technical influence  * Collaborative, engineering-driven environment  Pay Range:  $40/HR—$56/HR (USD)

Heartaerospace

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type certification of the ES-30 by the end of the decade. Your mission We are looking for a highly motivated, hands-on Integration Engineer to lead the mechanical and electrical integration of critical subsystems across our hybrid-electric aircraft platform. You will be responsible for bridging design, manufacturing, final assembly, and testing to ensure that complex systems come together seamlessly from prototype through rate production.  This is a cross-disciplinary role at the heart of aircraft development, where attention to detail, fast-paced execution, and strong problem-solving instincts are key. You’ll work side-by-side with design engineers, manufacturing, and technicians on the production floor to turn ambitious designs into high-performance, certifiable products.  Key responsibilities include but are not limited to:   System Integration & Assembly  * Own the integration of propulsion, battery, avionics, and structural systems into the aircraft platform * Define and document build sequences, mechanical interfaces, fastener strategies, cable routing, and fluid line installations * Support and optimize aircraft-level assembly processes, from first article to full-rate production Design Collaboration & DFM  * Provide real-time design-for-assembly feedback to design engineering teams  * Influence interface definitions, mounting strategies, and accessibility for maintainability  * Drive resolution of interface issues between subsystems during development and build  Build Floor & Hands-On Support  * Act as the technical liaison on the build floor to troubleshoot integration issues and lead root cause investigations  * Support technicians during assembly with guidance, documentation, and process improvements  * Ensure that integration work meets engineering intent, quality standards, and certification requirements  Process Development & Continuous Improvement  * Create and maintain detailed work instructions, assembly drawings, and configuration documentation  * Work with manufacturing and engineering teams to improve efficiency, reduce errors, and streamline assembly processes  * Support integration testing and data collection during system bring-up and aircraft checkout  Your place of work will be at our office located in Torrance, CA. Some domestic travel may be required  Skills & Requirements  * Bachelor’s degree in Mechanical, Aerospace, or Systems Engineering (or equivalent experience)  * 2+ years of experience in aerospace, automotive, or advanced manufacturing environments  * Strong understanding of mechanical systems, fasteners, electrical connectors, harnessing, and fluid systems  * Proficiency in CAD (e.g., NX, CATIA, or SolidWorks) and interpreting engineering drawings with GD&T   These Qualifications Would Be Nice To Have * Experience in aircraft or vehicle final assembly, particularly with electrical and fluid system integration  * Exposure to configuration control, hardware traceability, and change management  * Demonstrated ability to work cross-functionally in high-speed development programs  * Experience with electric propulsion, high-voltage systems, or thermal integration * Comfortable working hands-on with tools and hardware in a production environment  Base Pay Range:  $124,000—$176,000 USD

Heartaerospace

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type certification of the ES-30 by the end of the decade. Your mission We are seeking a hands-on, driven Manufacturing Engineer to lead key builds for the ES-30 hybrid-electric aircraft. As we continue to expand our vertical integration, this role offers a unique opportunity to take full ownership of manufacturing process development, from design to achieving production rate.  You will play a critical role in Heart’s success, working closely with technicians, design engineers, and supply chain partners to bring complex components and assemblies from prototype to scalable production. This is a highly collaborative, fast-paced role at the core of our mission to revolutionize regional air travel.  Key responsibilities include but are not limited to:   Process Development & Optimization  * Design and implement scalable manufacturing processes for aircraft structures, propulsion systems, avionics, batteries, and other critical subsystems (multiple roles are open across teams)  * Develop and optimize workflows to improve build efficiency, quality, and repeatability  * Proactively identify and resolve production bottlenecks using root cause analysis and continuous improvement techniques   Tooling & Equipment  * Design and specify custom tooling, fixtures, and solutions to support precision assembly and fabrication  * Collaborate with external vendors and internal teams to source or fabricate required equipment  * Support automation initiatives and ergonomic improvements across the manufacturing floor   Prototyping & Production Builds  * Lead the execution of prototype builds and transition processes into low- and high-rate production  * Work closely with technicians on first article builds, ensuring safe, efficient, and repeatable methods  * Implement in-line quality checks and provide real-time troubleshooting during assembly   Cross-Functional Collaboration  * Partner with Design Engineering to drive DFM/DFA (Design for Manufacturability/Assembly) feedback  * Develop and execute sourcing strategies by assessing supplier capabilities, and managing outsourcing timelines and budgets to ensure program alignment  * Ensure quality is built into the product by defining clear inspection criteria and implementing fast, cost-effective corrective actions   Documentation & Standards  * Create and maintain detailed work instructions, process documentation, and standard operating procedures (SOPs)  * Contribute to the development of manufacturing standards and best practices as the company scales  * Ensure compliance with safety, regulatory, and quality requirements   Skills & Requirements  * Bachelor’s degree in Mechanical, Aerospace, Manufacturing, or Industrial Engineering (or equivalent experience)  * 3+ years of experience in a fast-paced manufacturing or production environment (internship or co-op experience counts)  * Proficiency in CAD (e.g., CATIA, NX, SolidWorks)   * Strong understanding of materials, GD&T, machining, welding, composites, and/or assembly techniques  * Experience working with cross-functional teams in design, quality, and production  * Bias toward action, attention to detail, and a passion for hands-on problem-solving   These Qualifications Would Be Nice To Have * Experience in aerospace, automotive, eVTOL, or electric propulsion manufacturing  * Exposure to high-voltage systems, thermal management, or battery integration  Base Pay Range:  $124,000—$176,000 USD