Additive Engineering Internship (Fall 2026)

Freeform

PROCESS ENGINEERING INTERNSHIP (FALL 2026)  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 Process Engineering Intern at Freeform, you will help develop and refine novel processes for some of the world’s most advanced metal 3D printing systems. You will work closely with experienced engineers to study complex, multi-physics behavior within the printing process, building a foundational understanding of the system and applying those insights to support the development of next-generation processes. You’ll collaborate with mechanical, software, and simulation engineers to analyze large in-situ data sets and post-print material characteristics, contributing to rapid iteration and continuous improvement of the printing technology using data-driven and machine-learning-enabled approaches. 3D printing experience is not required to be successful here - we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!  Responsibilities:  * Assist the Process Engineering team in developing a deep understanding of the metal additive process and hardware operation by analyzing massive in-situ data sets to gain insight into physical mechanisms of the printing process * Execute experiments and analyze data to improve metal additive processes * Perform post-build metrology measurements and analysis of material properties such as tensile strength, surface roughness, and alloy microstructure * Assist in the development and implementation of tool qualification procedures  Basic Qualifications:  * Currently pursuing Bachelor's degree in material science, physics, or similar engineering discipline * Experience with experimental design and statistical data analysis * Strong data analysis skills and ability to interpret important information from extremely large data sets * Experience with Python and/or MATLAB Nice to Have:  * Undergraduate research experience in material science, physics, mechanical engineering * Process development experience from cutting edge industries such as semiconductor, solar, or displays * Experience with statistical data analysis software such as R, JMP, or Minitab * Passion for improving the state of metal 3D printing * Comfortable working in fast-paced, ambiguous environments and iterating quickly (comfortable building the plane as we fly it) * Strong communicator who collaborates across disciplines and proactively seeks support when needed * Willing to take ownership of tasks big and small, with a hands-on, problem-solving mindset * Strong work ethic with a refuse-to-fail mindset * Demonstrated indicators of excellence and/or achieving success against adversity (i.e. top academic performance, leadership in engineering clubs, first-generation college student, or other examples of resilience and achievement) 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  * Compensation and Benefits  * The compensation for this role:  * Engineering Intern/Undergraduate: $30/hour * Engineering Intern/Masters: $32.50/hour * Engineering Intern/PhD: $35/hour * Relocation assistance provided * Free daily catered lunch and dinner, and fully stocked kitchenette  * Casual dress, flexible work hours, and regular catered team building events  * 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.

Moonwatt

YOUR MISSION As an Engineering Intern at Moonwatt, you will work at the intersection of embedded software, electronics design, and electrical engineering. Among others, you will work on the development, testing, and integration of our battery management system. This is a hands-on internship where you will be contributing directly alongside senior engineers, develop and test prototypes, and build our production firmware.  The internship is designed with a strong intention to convert to full-time for high performers. What You Will Work On Mechanical Design and Development * Actively contribute to the mechanical design of Moonwatt products using CAD tools (SolidWorks), from early concepts through detailed 3D models and technical drawings. * Perform Finite Element Analysis (FEA) to validate structural integrity, thermal behavior, and mechanical performance of components and assemblies. * Support the transition from design to physical prototype, working with manufacturing processes such as machining, sheet metal, and additive manufacturing. Participate in assembly, testing, and iteration cycles. * Work closely with internal teams (electronics, firmware, product) and external partners (suppliers, subcontractors, labs) to align mechanical designs with system-level requirements. * Produce and maintain engineering documentation including BOMs, assembly procedures, test reports, and design reviews. * Perform fail fast method to quickly deliver increments or prototypes that can be used to validate the feasibility or desirability of an idea or a project. * Perform mechanical assembly on sub or top assembly on product prototype. Electronics & Electrical Support * Assist electronics & electrical teams on the design of all electrical/electronic components with hardware design and assembly instructions.  * Support validation and testing of low-voltage and high-voltage electrical architectures within battery systems. Product development and organizational improvement * Setting up and managing custom property templates in SolidWorks (part number, material, revision, finish, etc.) to ensure consistent metadata across files. Designing and maintaining drawing templates * Contributing to the rollout of engineering best practices within the team (GD&T standards, model quality checklists, release workflows). YOUR PROFILE Must Have * Currently enrolled in a bachelor's or master's degree program in Mechanical Engineering.  * Solid foundation in mechanical design principles, materials, and manufacturing processes. * Proficiency in SolidWorks CAD tool. * Theoretical or practical knowledge of FEA simulation. * Knowledge of electricity fundamentals and battery systems. * Have an affinity for hands-on mechanical work. Thrive in a high-autonomy role and in fast-paced environments.  * Curious, precise, and eager to learn within a highly collaborative, multidisciplinary engineering environment. * Minimum internship duration of 6 months (end-of-study internship preferably). Nice to Have * Previous experience in students' organizations like Formula Student, Eco-Marathon teams or Fablab / Makerspace clubs will be highly valued. * Electrical and/or electronics knowledge or prior experience is a plus.  * Knowledge of DFM/DFA and tolerance analysis (GD&T). * Hands-on experience with prototyping (3D printing, machining, lab work). * Previous hardware bring-up experience including component-level testing and validation. * Interest or background in renewable energy, energy storage, or electric vehicles (EV) domains. * Awareness of hydraulics system challenges. WHY US? * An engineering internship with real responsibilities, not administrative tasks * Exposure to multiple disciplines beyond your core skillset * Direct mentorship from senior engineers and who built large-scale energy systems before * A learning environment where you will participate in decisions, not just observe * A path to full-time conversion for high-performing interns * A fast, mission-driven environment where engineering decisions matter

Freeform

MANUFACTURING ENGINEER 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 Manufacturing Engineer at Freeform, you will take on one of the defining engineering challenges in advanced manufacturing: scaling the post-processing of complex metal additive parts from early-stage operations to true production volume. The gap between "it works" and "it works at scale, repeatably, and economically" is where this role lives.  Freeform has built what others are still trying to figure out - a fully autonomous, software-defined metal parts factory - and post-processing is the critical path to getting there. You'll be architecting systems and processes capable of handling extraordinary part complexity, material diversity, and production throughput simultaneously, while maintaining the agility that lets our R&D engine keep pushing the frontier.  This is a greenfield engineering problem at massive scale, not an optimization exercise. You'll need to think in systems, move fast without creating brittleness, and make pragmatic tradeoffs that compound in the right direction over time. The work will touch every function in the company and your decisions will directly shape what Freeform can build, for whom, and how fast.  If you've thrived in high-velocity hardware environments where the processes didn't exist yet and the stakes were real, this role was built for you.  Responsibilities:   * Work closely with engineers to design and implement scalable manufacturing processes for new hardware and printed parts  * Support part flow through the factory by improving fixturing, test procedures, and post-processing steps  * Develop lightweight documentation and process standards to support scaling production without slowing engineering iteration  * Build and iterate on tooling, jigs, and test setups to support reliable, high-throughput production  * Help identify bottlenecks and inefficiencies in how parts, materials, and data move through the factory, and work with cross-functional teams to improve them  * Support early production of high-performance printed parts, helping bridge the gap between R&D and high-rate manufacturing  Basic Qualifications:   * Bachelor’s degree in mechanical, manufacturing, or related engineering field  * Internship or professional experience in manufacturing, development engineering, or build engineering   * Experience working with hand tools, machinery, or complex hardware assembly  Nice to Have:   * 2+ years of experience in a hands-on manufacturing or production engineering role  * Experience with manufacturing process development in a fast-paced hardware environment   * Understanding of GD&T and/or how to read drawings  * Experience with metal additive manufacturing or precision post-processing  * Exposure to fixturing, DFM, or process validation    * Familiarity with MRP/ERP tools and production tracking systems  * Ability to translate high-level engineering goals into practical factory processes 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.  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)  * 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 $90,000-$130,000. 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.