Senior Semiconductor Reliability Engineer – Advanced Silicon & Packaging

Arago

MEET ARAGO AND THE ARAGONIANS Arago is an AI and computer hardware company whose mission is to drive the course of history forward. We do so by accelerating breakthroughs at the intersection of AI and semiconductors. Founded in 2024 by AI researchers and physicists with deep expertise in photonics, electronics, software, mathematics, and machine learning, Arago brings together a lean team of engineers and scientists from the world’s top companies and research labs. Composed of nine nationalities and operating from hubs in France, North America, and Israel, we believe in great science and fast achievements. Our work is guided by these core principles: 1. Do great things: we deliver work we’re proud to sign our name to. 2. High velocity: speed matters. We move quickly, one step at a time. 3. One unit: we’re all in this together, with relationships grounded in trust, respect, and camaraderie. Arago is backed by executives from Apple, Arm, Nvidia, Microsoft, and Hugging Face, as well as prominent US and European deeptech venture firms and exited founders. WHAT YOU’LL DO Work on the definition and realization of next-generation compute architectures by driving system-level design, guiding cross-functional engineering teams, and delivering silicon from first concept to production. RESPONSIBILITIES * Carry the top-level architecture of Arago’s multiphysics compute platform, including processing elements, interconnects, memory subsystems, and system-level control. * Own the architectural vision from concept through tape-out, driving system modeling, specification, and implementation handoff across engineering teams. * Work and mentor cross-functional hardware teams across RTL design, functional verification, and physical integration to ensure consistent technical direction and execution quality. * Collaborate with software, packaging, and system integration teams to ensure architectural choices support overall platform scalability, performance, and reliability. * Evaluate new architectural directions, develop performance and cost models, and guide prototyping efforts to de-risk innovations for future product generations. REQUIRED SKILLS AND EXPERIENCE * Proven track record in architecting complex, high-performance digital systems such as multicore processors, vector engines, and domain-specific accelerators. * Deep expertise in computer architecture, including memory hierarchies, interconnects, cache coherence, instruction set design, and performance-power-area trade-offs. * Hands-on experience with the design and integration of compute-intensive blocks such as vector arithmetic logic units (ALUs), SIMD pipelines, systolic arrays, and custom datapaths for signal or tensor processing. * Experience in leading full ASIC development cycles from architectural concept and modeling through RTL implementation, functional verification, physical design, and tape-out. * Experience with advanced system integration and packaging technologies such as HBM, chiplets, and 2.5D/3D integration, with a strong understanding of their architectural and system-level impact, is highly valued. * Strong leadership and communication skills, with the ability to align multidisciplinary teams (architecture, RTL, verification, software, and physical design) under a unified vision. PAY AND BENEFITS * Competitive cash compensation, with final package based on location, experience, and the pay of team members in similar positions. * Meaningful stock option plan offered at the earliest stage of the company (included in the majority of full time offers). * Relocation bonus and coverage of moving expenses for relocation within 20 minutes of the company’s location. * Healthcare coverage (including family-friendly options), pension contributions, professional development support, and 25 days of PTO, in addition to public holidays. * Ownership of a key technical domain, with significant vertical and/or horizontal growth opportunities, based on performance and individual drive. * A high-paced, multicultural (with 9 nationalities), and engineering-led environment.

Epishine AB

Do you want to shape the future of next-generation energy technology at a fundamental level? At Epishine, we are looking for a senior R&D profile who can bring new perspectives, challenge existing assumptions, and help translate advanced material and process insights into real, scalable technology. This is a role for someone who thrives in complexity and wants to make a tangible impact on how cutting-edge innovation becomes reality. About Epishine Epishine is a Swedish energy impact company, reimagining the capture of light with market leading printed organic solar cells. Our technology captures indoor light to make electronics self-powered, making cables, disposable batteries and unnecessary maintenance a thing of the past. At Epishine, we foster a culture of collaboration, creativity and innovation where we encourage our employees to challenge the status quo and drive innovation. Our company is now growing and we are looking for more driven talents who want to grow and develop together with us! Go to www.epishine.com to read more about Epishine and our vision. The mission As Senior R&D Engineer, your mission is to strengthen and accelerate our technology development by connecting deep technical understanding with practical implementation. You will work hands-on with our materials and processes to understand their behavior, identify limitations, and define what needs to be improved or rethought. Based on this, you will drive and support development initiatives, from material improvements and new processing approaches to solving complex challenges impacting performance, reliability, and scalability. You will work closely with our R&D Director Thomas and act as a senior technical contributor and sparring partner, challenging assumptions and highlighting blind spots. You will take ownership of selected R&D projects, shaping direction, defining experiments at a high level, and ensuring progress from idea to validated results. Operating at the interface between innovation and execution, you will help translate new concepts into solutions that work in practice and align with production needs. You will be based in our headquarters in Linköping where we have both our offices, factory and laboratory. You will be working closely with our entire R&D team, and you report to our CTO. Who are we looking for? We are looking for a highly experienced and intellectually curious R&D professional with a genuine passion for science and technology. You combine deep technical understanding with the ability to turn insights into action, and you actively engage with your field beyond your day-to-day work, whether through writing, discussions, or continuous exploration. You likely have: A PhD in physics, materials science, or a related field (ideally within third-generation semiconductor materials such as transistors, perovskites, or similar) Around 10+ years of experience working with advanced materials or processes in a relevant industry (e.g. photovoltaics, semiconductors, coatings, or similar) Experience working with emerging technologies where design rules are not yet fully established, ideally in a start-up environment scaling new technology toward commercialization where you had the leading role in defining the technology Had in-depth conversations and thought about solutions for the entire (up- and downstream) supply chain in previous positions, solving complex problems in unexpected ways Excellent communication skills and fluency in English An interest in the technology beyond the technical, bordering the philosophical As a person, you are analytical and solution-oriented, with the ability to understand complex problems and challenge assumptions. Having several thoughts in the head at the same time while optimizing a multidimensional landscape will be the natural state of your everyday work. You translate ideas into tangible outcomes, communicate clearly, and work effectively across teams. You are motivated by working at the frontier of technology and contributing to solutions with real-world impact. What do we offer? At Epishine, we offer the chance to be part of an exciting journey and the opportunity to contribute to a more sustainable planet. Additionally, we offer a secure employment with pension and insurance benefits, yearly wellness allowance and a friendly company culture where collaboration, innovation and sustainability are at our core. Application procedure Does this role sound exciting? Then apply today! We go through applications continuously. Good to know We use psychometric tests, such as personality and logic assessments, as part of our recruitment process to ensure fairness and objectivity. These tests help us look beyond a CV and understand each candidate’s natural strengths, problem-solving ability, and working style. By using standardized assessments, we create a more equal opportunity for all applicants, reduce bias, and make sure the role is a good match for both the candidate and the team.

Freeform

SENIOR MECHANICAL 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 Senior Mechanical Engineer at Freeform, you will be responsible for leading mechanical design efforts across the company, as well as for driving the pace of innovation and maximizing hardware development speed. To be successful in this role, you must have extensive technical breadth in mechanical engineering concepts as well as specific expertise in architecting, designing, and developing complex mechanical systems, advanced robotics systems, or state-of-the-art industrial automation systems. The ideal candidate is capable of acting as the technical lead for a complex system with the ability work across engineering disciplines. 3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!  Responsibilities: * Act as a responsible engineer in bringing hardware from concept to production * Research, develop, design, and test complex mechanical components, subassemblies, equipment, and systems * Perform tolerance analysis of designs at the system and subsystem level * Plan and perform tests to analyze the feasibility, design, operation and performance of equipment, components, and systems * Work hands-on to build, integrate, and validate designs and newly developed systems and/or subsystems * Strategize continuous improvement plans to enhance system performance, reliability, and manufacturability  Basic Qualifications: * Bachelor’s degree in mechanical engineering or related technical field * 5+ years of experience in mechanical systems design and development * CAD experience, including GD&T and detailed drawing documentation * Strong mechanical engineering fundamentals with extensive hands-on hardware development experience * Systems-level thinker also able to perform detailed work; has previously delivered complex mechanical systems Nice to Have: * 10+ years of experience designing mechanical systems for semiconductor, machining, automation, materials processing, or other related industrial manufacturing or capital equipment applications (e.g. additive manufacturing, semiconductor, robotics, CNC, or biomedical manufacturing equipment design engineering experience) * Advanced degree in mechanical engineering * Knowledge of motion control and kinematics * Experience with design of fluid or thermal systems * Working knowledge of electromechanical systems * Passion for improving the state of metal 3D printing * Excellent verbal and written communication skills 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 $110,000-$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.