High Performance Computing Engineer

IonQ is at the forefront of the quantum computing revolution, pioneering the development of the world’s most advanced full-stack quantum computer utilizing trapped-ion technology. Our mission transcends classical physics and supercomputing, aiming to usher in a new era of computing that has the potential to positively transform every facet of human society. Industries such as medicine, materials science, finance, artificial intelligence, machine learning, and cryptography will be redefined by IonQ’s groundbreaking technology.As a Senior Atomic Physicist, you will play a crucial role in the development of optical signal chains for long-range quantum networks and modular quantum computing. Collaborating with a distinguished team of scientists and engineers, you will contribute to the creation of systems designed to efficiently process and store quantum information from photons, which are essential for constructing scalable quantum computing architectures. Your work will encompass everything from the innovative design of systems to the operational scaling of optical signal chains that will serve as the backbone for the world’s largest quantum computers.

Alice & Bob is developing a universal, fault-tolerant quantum computer aimed at solving complex challenges in science and industry. The company’s approach uses a unique superconducting qubit, known as the Schrödinger cat qubit, which can handle quantum error correction on its own. This sets it apart from more traditional superconducting technologies. The team includes over 140 people from more than 20 countries, all focused on making practical quantum computing possible. Role overview The Quantum Technical Business Development Internship in Boston provides hands-on experience at the intersection of quantum technology and business strategy. Working with the US team, the intern will collaborate closely with the business development lead and colleagues from different departments. What you will do Contribute to both operational and strategic business development projects Work with stakeholders across various teams Analyze competing quantum computing products and technology roadmaps Help identify and explain the technical strengths of Alice & Bob’s technology Requirements Interest in technology and quantum computing Willingness to learn quickly and take initiative Desire to contribute to projects and take ownership of tasks Curiosity about go-to-market and partnership strategies in deep-tech fields Internship details Start date: September 2026 Designed for students interested in quantum technology and business innovation Location: Boston

IonQ is pioneering advancements in quantum computing by designing the world's most powerful full-stack quantum computer utilizing trapped-ion technology. We are breaking through the boundaries of classical physics and current supercomputing capabilities to usher in a revolutionary era of computing. Quantum computing has the potential to transform various facets of human life for the better, with IonQ's systems poised to redefine sectors such as healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. Join us at IonQ as we lead the charge in this technological revolution.We are in search of a Senior Solutions Architect to join our Quantum Memories team. In this pivotal role, you will collaborate with a multidisciplinary team dedicated to steering IonQ towards crafting the most exceptional quantum computers capable of addressing the world's most intricate challenges.The Quantum Memories team seeks to enhance our technical sales and strategic functions, developing and supporting go-to-market initiatives for our advanced technologies and assisting in the formulation of our internal technical roadmap. This role is an exciting opportunity for adept technical communicators who thrive in engaging discussions with leading scientists, public sector authorities, and enterprise executives about the groundbreaking advancements in quantum technology.

At IonQ, we are pioneering the development of the world's most advanced full-stack quantum computer utilizing trapped-ion technology. Our mission is to transcend the limitations of classical physics and current supercomputing capabilities, ushering in a transformative era of computing. The potential of quantum computing to enhance every aspect of human life is immense, and IonQ's innovations are set to revolutionize fields including medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. Join us at the forefront of this technological evolution.We are seeking a Senior Research Scientist specializing in quantum memory development. In this pivotal role, you will spearhead a cross-functional team dedicated to advancing IonQ's mission to construct the preeminent quantum computers capable of tackling the world's most intricate challenges.Your work will involve groundbreaking research in quantum memories tailored for extensive quantum networks and modular quantum computing architectures. Collaborating with a prestigious team of scientists and engineers, you will develop systems designed for rapid processing and storage of quantum information derived from photons, ultimately leading to the creation of scalable quantum computing solutions. Your contributions will range from innovative system design to operationalizing and expanding quantum memory systems that will serve as the foundation for the largest quantum computers globally.

Riverlane is seeking a Lead Investigator in HPC Quantum Integration based in Boston, MA. This is a full-time, permanent position with a hybrid work arrangement. For candidates with a strong background, fully remote work from anywhere in the United States may be considered. Role overview This role centers on integrating high-performance computing (HPC) with quantum technologies. The Lead Investigator will play a key part in advancing Riverlane’s projects at the intersection of HPC and quantum computing. The position involves collaborating with technical teams and applying expertise to drive progress in this field. Location and work arrangement Boston, MA office location Hybrid work setup (in-office and remote) Fully remote considered for highly qualified candidates anywhere in the US Compensation Salary for this position spans a broad range, reflecting the variety of expertise and backgrounds considered. Riverlane will tailor offers based on experience, industry background, specific skills, and past achievements. For fully remote employees outside Boston, compensation will be adjusted to match local market rates.

Join Alice & Bob, where we are pioneering the creation of the first universal, fault-tolerant quantum computer aimed at tackling some of the world's most challenging problems.Our vision revolves around an innovative type of superconducting qubit known as the Schrödinger cat qubit ‍⬛. Unlike traditional superconducting platforms, cat qubits possess the remarkable capability to autonomously perform quantum error correction!Our diverse team of over 140 talented individuals from more than 20 countries is dedicated to transforming computing through the development of practical fault-tolerant quantum machines. Are you prepared to face extraordinary challenges and play a role in revolutionizing technology? Collaborate with us to help shape the future of quantum computing!As a Quantum Algorithms Scientist, you will pave the way for real-world applications utilizing fault-tolerant quantum computing. You will collaborate with our scientific partners to create applications that can be solved with a few hundred logical qubits.

Lead Researcher in Quantum Error Correction (QEC)Boston, MA, US | Full-time | Permanent | HybridJoin Riverlane as we lead the charge in quantum error correction (QEC) research and development. In this pivotal role, you will not only conduct innovative research but also contribute to the design and implementation of the world's first QEC stack, paving the way for scalable and practical quantum computing solutions.

Principal Investigator in Quantum Error Correction (QEC)Location: Boston, MA, US | Employment Type: Full-time | Permanent | HybridWe invite a talented and driven Principal Investigator to lead groundbreaking research in Quantum Error Correction at Riverlane. This pivotal role offers the opportunity to contribute to advancements in quantum computing, addressing one of the industry's most significant challenges. Join us in our mission to unlock the potential of quantum technologies for critical applications in material and climate science, as well as drug design.

Quantum Error Correction Applications ScientistBoston, MA, US | Full-time | Permanent | HybridAt Riverlane, we are dedicated to advancing quantum error correction (QEC) technology to spearhead unprecedented innovations in various fields, from materials science to drug design. As the global leader in QEC solutions, we believe that overcoming the technical challenges of quantum computing is essential for humanity's progress.We have successfully raised over $125 million to enhance our research and development in QEC, collaborating with top quantum hardware providers and government agencies to make fault-tolerant quantum computing a reality. Our commitment to innovation and excellence drives our rapid growth and groundbreaking achievements.Join us as we embark on the 'QEC era' and help us realize the transformative potential of quantum computing.

IonQ is looking for a Senior Research Scientist with expertise in Fabrication to help drive progress in quantum computing hardware. This position is based in Boston, Massachusetts. Role overview This role centers on leading research projects focused on developing new fabrication methods for quantum hardware. The Senior Research Scientist will work closely with colleagues from various disciplines to design, test, and refine fabrication processes that improve the performance and reliability of IonQ’s quantum systems. What you will do Lead research initiatives to create and advance fabrication techniques for quantum computing hardware Collaborate with cross-functional teams to design, implement, and optimize fabrication processes Contribute to the enhancement of IonQ’s quantum hardware capabilities through innovative research Requirements Strong background in fabrication, ideally with experience relevant to quantum hardware Ability to lead research projects and work effectively with multidisciplinary teams Motivation to develop and improve fabrication processes for advanced technology

Join Motional's cutting-edge team at our global headquarters located at 100 Northern Avenue in Boston, MA. Situated in the lively Seaport district, our office boasts stunning views of Boston Harbor and is conveniently close to major transit lines, a variety of restaurants, and popular attractions.Mission Overview:At Motional, our CORE team is at the forefront of developing our vehicle's Compute and Onboard Runtime Environment. We are dedicated to creating a leading AI compute platform for autonomous vehicles, executing the software and neural networks crucial for vehicle autonomy.The Next-Gen Technologies team, a key part of CORE, operates at the intersection of software engineering, machine learning, sensors, and hardware compute platforms to advance Motional's onboard vehicle architecture. If you are a passionate software engineer excited about embedded AI hardware and software systems, we would love to connect with you!Your Role:As a Senior Engineer on the Next-Gen Technologies team, you will play a vital role in enhancing the compute performance of our autonomous driving systems, contributing to the entire development lifecycle from ideation to proofs-of-concept to production.Your Responsibilities:Specialize in ML model deployment, integration of multiple ML models, and optimization on embedded compute platforms.Deep dive into the complete ML software stack, analyzing workload performance across various hardware processors, optimizing ML models, and enhancing ML software to continuously improve our stack with efficient approaches.Design, develop, test, integrate, and optimize software tools on diverse ML compute architectures.Collaborate with experts in perception, prediction, and other autonomous driving areas to enable algorithms on GPU, NPU, and other ML accelerator architectures.Optimize GPU/NPU resource utilization and manage sharing across multiple programs on the same system.Lead design initiatives to assess system needs and enhance our ML software stack accordingly.Provide technical guidance to peers and management.

About AbiologicsAbiologics is a pioneering company under Flagship Pioneering, dedicated to innovating in the field of synthetic biology through the development of Synteins™—a revolutionary category of fully synthetic proteins crafted from entirely artificial building blocks, including D-amino acids and non-canonical residues. Synteins are engineered to overcome the constraints of conventional biologics, offering enhanced oral stability, immune evasion, and metabolic durability, all while being fully programmable by design.Utilizing a cutting-edge AI-enabled discovery platform, Abiologics merges generative design, automated synthesis, and rapid experimental screening to facilitate iterative optimization at scale.

About Cellular IntelligenceCellular Intelligence, previously known as Somite AI, is an innovative venture-backed firm striving to redefine the realm of stem cell biology. We are on a mission to develop AI foundation models that will revolutionize human stem cell applications and promote scalable novel cell therapies.Our comprehensive approach involves generating data at unprecedentedly low costs, training large-scale models with unparalleled predictive capabilities, and employing these models to discover, refine, and optimize impactful applications in cell therapy.Our exceptional founding team includes seasoned AI entrepreneur Dr. Micha Breakstone (Chorus.ai, acquired for $575M), the Head of the Fundamental AI Group at MIT, who has pioneered foundational research on scaling laws, alongside three esteemed Harvard Medical School professors and members of the National Academy of Sciences/Medicine, including the Chair of the Genetics Department at HMS. Based in Boston and set to commence operations in January 2024, Cellular Intelligence has successfully raised nearly $60M to date.Core Values of Cellular Intelligence:Accountability: We show up fully, taking responsibility and committing to our goals.Urgency: We act swiftly and decisively, maintaining a proactive approach.Collaboration: We support one another with empathy and teamwork.Location: Boston, MA (onsite, full-time)About the Role:In the capacity of Senior Computational Biologist, you will be instrumental in developing pipelines, models, and conducting research on extensive single-cell datasets. This role is tailored for individuals passionate about large-scale transcriptomic data that will contribute to pioneering cell replacement technologies. You will operate at the intersection of developmental biological research, data science, and software development, aiding in single-cell and spatial transcriptomics analysis while translating scientific breakthroughs into advanced cell replacement therapies.

About AbiologicsAbiologics is a pioneering biotechnology company at the forefront of developing Synteins™—a revolutionary class of fully synthetic proteins crafted from artificial building blocks like D-amino acids and non-canonical residues. Our Synteins are engineered to overcome the limitations of traditional biologics, offering enhanced oral stability, immune evasion, and metabolic durability—all while being fully programmable by design.Utilizing an advanced AI-enabled discovery platform, Abiologics seamlessly integrates generative design, automated synthesis, and rapid experimental screening to facilitate large-scale iterative optimization.Position SummaryWe are on the lookout for a talented Protein Design Scientist to become a key member of our Computational Protein Design team. In this interdisciplinary role, you will spearhead structure-based design and optimization of synthetic proteins, operating at the intersection of computational design, structural biology, and protein engineering.

About Us: Axiomatic AI is pioneering a new generation of AI systems that apply the scientific method rigorously. By integrating deep learning with formal logic and physics-based modeling, we develop verifiable and interpretable AI systems that enhance and assist human researchers within critical scientific and engineering processes. Our Mission, 30×30: We are committed to achieving a 30× enhancement in the speed, accessibility, and affordability of semiconductor and photonic hardware development by the year 2030. We envision transforming hardware design and simulation across these sectors and are assembling a team of passionate professionals to translate these advancements from research into commercial products. Position Overview: As an AI Research Scientist specializing in photonic and neuromorphic computing, you will be instrumental in crafting AI algorithms and architectures, as well as simulation and optimization frameworks tailored for innovative, non-traditional computing platforms. You will help develop algorithms, digital twins, and training methods that connect AI, physics, and hardware-aware system design within Axiomatic's next-generation computational science tools. This position is part of Axiomatic's long-term research and product strategy, involving collaboration across various projects and initiatives, and working closely with AI researchers, physicists, and software engineers to translate cutting-edge concepts into scalable, impactful solutions. Your Mission: Simulation and Digital Twins: Create simulation and digital-twin tools that effectively model physical effects such as nonlinearities, noise, and precision limits, facilitating hardware-aware algorithm development. Co-Design and Collaboration: Collaborate with internal AI, software, and hardware teams to ensure cohesive alignment between algorithms, system constraints, and overarching platform objectives, including the automation of scientific workflows. Algorithm and System Design: Architect and prototype machine-learning frameworks and physics-aware optimization workflows for neuromorphic systems, examining efficient mappings of AI models onto emerging hardware substrates. Research, Benchmarking, and Reporting: Assess system-level performance trade-offs, conduct benchmarking studies, document findings, and contribute to technical decision-making across Axiomatic’s R&D portfolio.

About IonQ:IonQ, Inc. [NYSE: IONQ] is at the forefront of quantum computing, providing groundbreaking solutions to tackle the world's most intricate challenges. Our latest quantum computers, IonQ Tempo and IonQ Forte Enterprise, represent the pinnacle of innovation, enabling partners such as Amazon Web Services, AstraZeneca, and NVIDIA to achieve remarkable performance improvements of up to 20x. Notably, we reached a milestone in quantum computing performance with a record 99.99% two-qubit gate fidelity in 2025.As we advance our technological roadmap, our goal is to develop the world's most powerful quantum computers, boasting 2 million qubits by 2030. This ambition will significantly enhance innovation across various sectors, including drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. Our pioneering efforts in quantum networking further solidify our status as a leader in constructing the quantum internet.Location: This position is primarily based at our Boston, MA office, with hybrid and remote options available for the right candidate.Travel: Up to 25%, mostly domesticJob ID: 1475The Role:We are seeking a Staff Engineer in Foundry Management. In this role, you will join a dynamic, cross-functional team dedicated to advancing IonQ's mission of developing the world's most advanced quantum computers to address complex global challenges.Your responsibilities will include overseeing the transition of cutting-edge nanofabrication technologies from small-scale fabrication to mass production in foundries. Collaborate closely with research scientists, engineers, and product managers to prepare existing fabrication workflows for foundry integration, establish relationships with production partners, and ensure that device production meets specified timelines and quality standards.

Company OverviewAt 1910genetics, we are at the forefront of biotechnological innovation, uniquely positioned as an AI-native company that is reshaping the landscape of therapeutic discovery. Our approach integrates vast multimodal datasets, cutting-edge AI models, and high-throughput lab automation to create a robust framework for AI-driven drug discovery.We pride ourselves on attracting the top 1% of talent to join our diverse team of scientists, engineers, researchers, operators, innovators, drug developers, business professionals, and technologists.Become a part of our mission to construct the world's first AI infrastructure for technology-enabled drug discovery and to produce a comprehensive pipeline of diverse drug modalities targeting major disease areas.Our computational methodologies are revolutionizing drug discovery. Leveraging advancements in extensive chemical data, unparalleled computing resources, artificial intelligence, and molecular dynamics simulation, we are transforming the paradigm of new drug development. At 1910genetics, computation is central to our drug discovery efforts, combining expertise in computational chemistry, structural biology, pharmacology, data science, and software engineering to address previously elusive drug targets.Role Description

IonQ is pioneering the development of the world's most advanced full-stack quantum computer utilizing trapped-ion technology. We are breaking through the boundaries of classical physics and contemporary supercomputing to usher in a transformative era of computing. Quantum computing holds the promise to enhance every facet of human life positively, as IonQ's revolutionary computers are set to redefine sectors such as healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. Join us at IonQ, where we are leading the charge in this technological renaissance.At IDQ, an IonQ company, we are committed to changing the world, one photon at a time. By harnessing the power of light, we are developing and industrializing cutting-edge quantum products and technologies while fostering long-term trust. Our offerings include quantum key distribution systems and quantum random number generators, ensuring the highest level of future-proof security. Our dedication to quality and integrity is reflected in our strong corporate governance, anchored by the values of transparency, respect, long-term trust, accountability, and courage.As we continue to expand and enhance our technological capabilities, we are looking for a skilled and enthusiastic Field Service Engineer to join our team in the US. In this dynamic role, you will provide both remote and on-site technical support to our customers using SNSPD (Supra-Nanowire Single Photon Detector) systems, ensuring that their queries and issues are resolved swiftly and efficiently. Given the complex nature of our products, which incorporate various technologies (cryogenics, deep vacuum, RF electronics, optics, PLC software, high-level software, networking, etc.), this position demands extensive technical knowledge, excellent communication skills, and a customer-focused approach.

IonQ is at the forefront of quantum computing, pioneering the development of the world's most advanced full-stack quantum computer using trapped-ion technology. Our work transcends the boundaries of classical physics and supercomputing, ushering in a transformative era for computing. Quantum computing holds the promise of significantly enhancing various sectors, including medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. Join us as we redefine industries with our cutting-edge quantum solutions.We are seeking a talented and driven Lead Microwave Research Scientist to join our dynamic team. In this role, you will collaborate with a multidisciplinary team dedicated to advancing IonQ's mission of constructing the most effective quantum computers capable of addressing the globe's most intricate challenges.As a Lead Microwave Research Scientist, you will be responsible for:Collaborating with architecture teams to translate system-level specifications into detailed component-level requirements and design guidelines.Designing microwave circuits while considering performance targets, fabrication capabilities, and interactions with other components.Fabricating and testing prototype devices.Managing partnerships with external vendors to enhance fabrication and testing processes at scale.Working alongside internal testing and measurement teams to verify that devices fulfill specified performance criteria.