{"id":1218584,"url":"https://alion.io/job/psiquantum-quantum-applications-architect","title":"Quantum Applications Architect","company":{"id":1616,"name":"PsiQuantum","domain":"psiquantum.com","url":"https://alion.io/company/psiquantum","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":73,"ghost_share":0.11,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":106,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Quantum","role_family":"Quantum","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":116000,"max_usd":265000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":8},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-07T16:41:11Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-28T16:20:22Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":81},"description":"PsiQuantum’s mission is to build the first useful quantum computers-machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems. \nQuantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries. \nOur architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry-including partners like GlobalFoundries-we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don’t feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure. \nIn 2024, PsiQuantum announced government-funded projects to support the build-out of our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives reflect a growing recognition that quantum computing will be strategically and economically defining-and that now is the time to scale. \nPsiQuantum also develops the algorithms and software needed to make these systems commercially valuable. Our application, software, and industry teams work directly with leading Fortune 500 companies-including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical-to prepare quantum solutions for real-world impact. \nQuantum computing is not an extension of classical computing. It represents a fundamental shift-and a path to mastering challenges that cannot be solved any other way. The potential is enormous, and we have a clear path to make it real. \nCome join us. \nJob Summary:\nPsiQuantum’s applications team is uniquely focused on algorithms in the fault tolerant regime and is very tightly integrated with quantum architecture development. Within that team, the role of the algorithms team is to design, benchmark and implement quantum algorithms which drive the development of quantum applications for solving the world’s most pressing problems. Part of the team’s remit is to work closely with the quantum industry applications team, on one hand, to better understand the landscape of commercially viable use cases, and the compilation and software teams on the other, to better understand the precise capabilities and limitations of the hardware being built. This work takes quantum algorithms from concept to reality, may involve close collaboration with external partners on specific use cases, and directly enables the discovery of both new quantum application use-cases and novel algorithmic techniques.\nThe role of a quantum applications architect is to work closely with these teams to discover and evaluate the performance of new quantum applications.\nThe role itself therefore sits at the confluence of a variety of competencies. Success requires the ability to: create new solutions to emerging challenges, converse at a deep technical level with applications architects, solutions experts and external parties about their needs and how their research is best expedited by quantum algorithms; and to use co-developed tooling to drive the commercial interests of the company. It is the expectation of a Quantum Applications Architect to build quantum applications and algorithms both in advance of large-scale hardware and during its operation, and to be abreast of the best classical solutions to these applications.\nResponsibilities:\nResearch and development of techniques for quantum algorithms tailored for fault-tolerant quantum computers.\nContribute to the design, development, and benchmarking of quantum applications and the tools required for these tasks.\nWork closely with external partners and internal teams to instantiate, validate and optimize quantum algorithms for use cases across a variety of domains, such as life sciences or sustainability.\nSimulation and analysis of resource requirements for fault tolerant implementation of quantum algorithms in photonic quantum computing.\nCollaborate with quantum architecture group to co-optimize algorithm methods with architectural design.\nExperience/Qualifications:\nGraduate degree in Physics, Math, or Computer Science or equivalent required (MSc, PhD, or equivalent). \nSignificant research experience in quantum algorithms, compilation, complexity, or applications research.\nExperience with quantum algorithms or compiling in the regime of fault tolerant gates preferred.\nA results-driven “doer”, preferably with experience in a high-throughput, rapid-delivery work environment.\nA problem solver, with an analytical mindset. \nProven team player with an ability to work effectively across departments, sites, and time zones.\nAbility to work independently and contribute in a fast-moving start-up environment.\nPsiQuantum provides equal employment opportunity for all applicants and employees. PsiQuantum does not unlawfully discriminate on the basis of race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, military or veteran status, marital status, domestic partner status, sexual orientation, genetic information, or any other basis protected by applicable laws.\nNote: PsiQuantum will only reach out to you using an official PsiQuantum email address and will never ask you for bank account information as part of the interview process. 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