Senior Electrical Engineer (Hardware Design)

Los Angeles, CA Role Overview: At Heart Aerospace we are developing 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 As a Senior/Staff Software Engineer on the Flight Software Team, you are responsible for all aspects the development of the software on the aircraft. You will interface with other engineers to develop and understand requirements, architect and writing high quality code, build tests and test infrastructure, documentation, and provide support through the software lifecycle. You will report to the Manager of Flight Software and collaborate with other engineers as part of a multi-functional team. Every engineer on the team is responsible for laying the technological foundation for the aircraft software and supporting systems, including but not limited to implementing aircraft control functions on embedded systems, developing aircraft models and simulation tools, implementing critical fault tolerance mechanisms, and building hardware and software test systems. Key Responsibilities include but are not limited to: * Create highly reliable embedded software that control critical systems on Heart’s aircraft. * Work with interdisciplinary teams to scope, design and build next generation hybrid electric aircraft capabilities, including engine controllers, battery management systems, flight control actuators, flight control systems and aircraft data networks. * Develop tools that allow for test execution across multiple environments, ranging from high fidelity simulated software environments, to full scale test stands. * Invent new systems that enable more frequent and reliable software deployment, test execution, and data analysis as part of a continuous integration and release system. * Mentor junior engineers and set best practices for the team. You'll Bring These Qualifications as a Senior Software Engineer: * Bachelor's or above in computer science, electrical engineering, or similar engineering discipline. * 5+ years professional experience writing safety-critical code for vehicles, or similar applications. * Excellent verbal and written communication skills in English. * Passion for aircraft and Heart’s mission. You'll Bring These Qualifications as a Staff Software Engineer:  * 8+ years professional experience writing safety-critical code for vehicles, or similar applications. * Excellent verbal and written communication skills in English. The ideal candidate would have: * Significant experience writing software in Rust, Python, C, C++, or a similar systems language. * Experience writing code for execution in an embedded environment (microcontrollers, bare metal, RTOS, embedded OS). * Experience modeling cyber-physical systems (6 DoF Simulators, Monte Carlos, Battery Pack Models). * Strong systems design fundamentals. Experience architecting software systems (and contributing requirements to hardware design) for vehicle systems. Experience with various approaches to fault tolerance and fault mitigation. * Significant experience with software and hardware test development. Experience with unit tests, CI/CD, integration testing, data collection and management, report generation, fuzzing and other advanced automated test methods. * Experience developing software under a functional safety compliant process (for example, compliant to IEC 61508, ISO 26262, DO-178C, or similar). Strong understanding of functional safety and how to apply it to software development. Base Pay Range: * Senior Software Engineer: $155,000 —$193,000 USD. * Staff Software Engineer: $190,000 —$238,000 USD.

SENIOR MECHANICAL ENGINEER (SITE INFRASTRUCTURE) Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. As a Senior Mechanical Engineer (Site Infrastructure) at Freeform, you will have the unique opportunity to bridge the gap between site infrastructure and next-generation autonomous manufacturing. You will deep dive into the complex mechanical systems that power Skyfall, our proprietary printing platform, ranging from industrial fluid and cooling systems, high-pressure gases, and factory performance monitoring systems leveraging sensors and data acquisition. This work is critical to the ultimate goal of enabling Freeform to deploy and scale its hardware stack globally. You will work alongside an interdisciplinary team of engineers to create custom solutions that ensure Freeform’s physical infrastructure is as advanced as the software driving it. The ideal candidate possesses a "no job too big or small" mentality and is a proactive problem-solver dedicated to accelerating the pace of innovation.  3D printing experience is not required to be successful here - we look for leaders who are organized, accountable, collaborative, and motivated to build and scale world-class hardware operations. Responsibilities: * Design and implement custom infrastructure for our next-gen printing system, Skyfall, including state-of-the-art thermal management (chillers), industrial plumbing, and high-flow gas delivery * Develop and integrate factory performance monitoring systems, leveraging sensors and data acquisition (DAQ) to ensure real-time visibility into utility health, pressure levels, and flow rates * Oversee critical utilities, ensuring power, process water, and industrial gases like nitrogen and argon are supplied to the Skyfall fleet in strict accordance with safety codes * Define and implement preventive maintenance for facilities equipment (pumps, compressors, and HVAC) to optimize operational efficiency and minimize system downtime with a pragmatic eye for automation opportunities * Secure the availability of specialized fluid system components and high-pressure fittings to ensure that infrastructure build-outs and engineering projects always move at the pace of innovation  Basic Qualifications: * Bachelor’s degree in mechanical or aerospace engineering or similar engineering discipline * 5+ years of facilities engineering, factory engineering, launch/ground systems engineering or similar experience * Strong first principles understanding of fluid mechanics, thermodynamics, and heat transfer * Hands-on ability to troubleshoot and repair complex mechanical and fluid systems Nice to Have: * Experience with Environmental, Health, and Safety (EHS) practices, specifically regarding high-pressure gas safety (NFPA 55) and metal powder handling * Proficiency in 3D CAD software (SolidWorks, NX, or similar) for designing facility layouts, piping routes, and custom mechanical mounts * Experience developing infrastructure for high-volume production or scaling automated manufacturing lines * Hands-on experience with industrial automation controls, PLCs, or building management systems (BMS) * Background in aerospace ground support or rocket engine test site operations involving cryogenic or high-pressure fluid systems * Experience with new facility buildouts, including managing external MEP (mechanical, electrical, plumbing) contractors * Knowledge of ITAR, ISO 9001, and/or similar industrial compliance standards * Experience with metal additive manufacturing or similar powder-based industrial processes * Excellent verbal and written communication skills with the ability to present technical infrastructure plans to cross-functional teams Location: * Based in Hawthorne, our vertically integrated facility brings technology development, R&D, and production together under one roof. We operate at the center of LA’s deep tech ecosystem, surrounded by some of the most ambitious hardware innovation happening anywhere in the country. * Our fast-paced, cross-functional environment is built on close collaboration, and as such, this role requires full-time onsite presence (five days a week), with very limited exceptions. What We Offer: * We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions. * We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology. * Benefits * Significant stock option packages * 100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options) * Life insurance * Traditional and Roth 401(k) * Relocation assistance provided * Paid vacation, sick leave, and company holidays * Generous Paid Parental Leave and extended transition back to work for the birthing parent * Free daily catered lunch and dinner, and fully stocked kitchenette * Casual dress, flexible work hours, and regular catered team building events * 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. Our intent is to offer a salary that is commensurate for the company’s current stage of development and allows the employee to grow and develop within a role.  * In addition to the significant stock option package, the estimated salary range for this role is $100,000-$200,000. The upper end of the range is reserved for individuals who demonstrate exceptional experience, deep domain mastery, and a proven history of high performance and impact. * Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.