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Quantum Computing Engineer Jobs in California (NOW HIRING)

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Quantum Computing Engineer information

What is a quantum computing engineer?

A Quantum Computing Engineer is a professional who designs, develops, and optimizes quantum computer systems and algorithms. They work on both the hardware and software aspects of quantum computers, aiming to harness quantum mechanics principles to solve complex computational problems. Their work often involves collaborating with physicists, computer scientists, and mathematicians to create new quantum technologies and applications. Quantum Computing Engineers play a key role in advancing fields like cryptography, material science, and machine learning.

What are the key skills and qualifications needed to thrive as a quantum computing engineer?

To thrive as a Quantum Computing Engineer, you need a strong background in quantum mechanics, computer science, mathematics, and typically a graduate degree in a related field. Familiarity with quantum programming languages (such as Qiskit or Cirq), quantum hardware platforms, and simulation tools is essential, and certifications in quantum technologies are increasingly valuable. Critical thinking, problem-solving, and effective communication are important soft skills, enabling collaboration and innovation in interdisciplinary teams. These competencies are crucial for advancing quantum computing research and developing practical quantum solutions to complex problems.

What are some common challenges quantum computing engineers face when developing algorithms for quantum hardware?

Quantum Computing Engineers often encounter challenges related to the instability and error rates of current quantum hardware, which can affect the reliability of algorithm results. Additionally, translating classical algorithms into quantum circuits requires a deep understanding of both quantum theory and complex optimization techniques. Collaboration with physicists and hardware engineers is essential to troubleshoot issues and adapt algorithms to the unique constraints of each quantum platform. Staying updated with rapid technological advancements is also crucial for success in this evolving field.

What is the difference between Quantum Computing Engineer vs Quantum Software Developer?

AspectQuantum Computing EngineerQuantum Software Developer
Required CredentialsBachelor's or Master's in Physics, Computer Science, or Electrical Engineering; knowledge of quantum mechanicsBachelor's or Master's in Computer Science, Software Engineering, or related fields; programming skills in quantum languages
Work EnvironmentResearch labs, tech companies, academia; hardware and software focusSoftware development teams, tech firms; coding and algorithm design
Employer & Industry UsageQuantum hardware companies, research institutions, tech giantsTech companies, startups, research labs focusing on quantum algorithms

While both roles involve quantum technologies, Quantum Computing Engineers focus on hardware integration and system design, whereas Quantum Software Developers primarily work on creating algorithms and software for quantum computers. The roles often overlap but differ in their core focus areas within the quantum industry.

Are quantum computing engineers in demand?

Quantum computing engineers are in high demand due to the growing investment in quantum technologies and the need for specialized skills in quantum algorithms, hardware, and software development. The field is expanding rapidly, with opportunities in research institutions, tech companies, and startups focusing on quantum hardware, software, and applications.

What are the most commonly searched types of Quantum Computing Engineer jobs in California?

The most popular types of Quantum Computing Engineer jobs in California are:

What are popular job titles related to Quantum Computing Engineer jobs in California?

For Quantum Computing Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Quantum Computing Engineer jobs in California look for?

The top searched job categories for Quantum Computing Engineer jobs in California are:

What cities in California are hiring for Quantum Computing Engineer jobs?

Cities in California with the most Quantum Computing Engineer job openings:

Infographic showing various Quantum Computing Engineer job openings in California as of September 2026, with employment types broken down into 1% Internship, 74% Full Time, 22% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

HPE Labs - Senior Software Engineer - Integrated HPC & Quantum Solutions

Santa Barbara, CA • On-site

Hewlett Packard Enterprise Development LP
IT Services • 10K+ employees

$136K - $179K/yr

Full-time

This job post has expired today. Applications are no longer accepted.


Hewlett Packard Enterprise rating

8.7

Company rating: 8.7 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

19th of 162 rated electronics manufacturers


Job description

HPE Labs - Senior Software Engineer - Integrated HPC & Quantum SolutionsThis role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office.

Who We Are:

Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today's complex world.Our culture thrives onfinding new and better ways to accelerate what's next.We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs.We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you.Open up opportunities with HPE.

Job Description:

The HPE Quantum team at HPE Labs is developing new approaches for quantum computing, including integration with high performance computing (HPC). As a Senior Software Engineer, you will be at the forefront of efforts to bring quantum computing from research to practical reality. You will bring expertise in software development and quantum computing to develop and extend quantum circuit compilation, circuit execution, resource estimation, and circuit simulation capabilities. Working closely with a multidisciplinary team of engineers, researchers, and product managers, you will build usable, efficient, and innovative systems that combine quantum and high-performance computing. The preferred candidate has a strong technical background in both quantum computing and HPC, advanced programming skills, and the ability to communicate complex ideas to diverse audiences.

Key Responsibilities:

  • Develop and demonstrate software that supports quantum computing applications and HPC-QC system management through job management, scheduling, compilation, and workflow frameworks

  • Create software adapters that connect quantum computing software tools (compilers, SDKs) with other tools using open standards where possible, and evaluate open-source and commercial software for inclusion in integrated HPC-QC environments

  • Develop functional and unit tests, support code quality with automated testing and continuous integration, and assist with code reviews

  • Implement and improve software prototypes to support research efforts, extending open source software as needed

  • Create mock-up and test bed systems to demonstrate HPC-QC software capabilities

  • Prepare internal and external demonstrations, create technical documentation, and write portions of research papers relating to software development efforts

  • Contribute to the development of open specifications and standards to support interoperability in quantum computing

Requirements:

  • Master's degree in Computer Science, Physics, Mathematics, or related field, or equivalent work experience

  • 6 or more years of programming experience

  • Advanced programming skills in low-level languages such as C, C++, or Rust, and advanced programming skills in Python

  • Experience contributing to large software projects and creating new software efforts, including library API design

  • Experience creating or extending quantum computing tools (e.g., Qiskit, CUDA-Q, TensorFlow Quantum, Pennylane)

  • Strong understanding of quantum computing, including skills in understanding and optimizing circuits

  • Deep understanding of HPC architecture, GPU/CPU function and applicability, cluster design, job scheduling, workload optimization, and performance tuning and testing

  • Strong mathematical background with excellent skills in areas such as statistics, probability, and linear algebra

Knowledge and Skills:

  • Strong leadership, communication, and stakeholder engagement skills with an outcome-focused mindset and bias for action and delivery

  • Focus on quality and customer results, with creative and analytical thinking abilities and a passion for solving complex problems

  • Strong consensus-building skills, capable of conveying complex ideas clearly to both technical and non-technical audiences in written and presentation formats

  • Experience with Linux command line tools and familiarity with Agile development methodologies

  • Knowledge of quantum computing applications such as quantum chemistry, quantum simulation, quantum error correction (QEC), or combinatorial optimization

  • Experience with cloud computing platforms, GPU computing, AI/ML frameworks (e.g., TensorFlow, PyTorch), or compiler development (especially MLIR)

  • Experience developing microservices client/server software

  • Track record of sharing findings with the broader scientific community through research papers, blogs, or other public materials

What We Can Offer You:

Health & Wellbeing

We strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.

Personal & Professional Development

We also invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have - whether you want to become a knowledge expert in your field or apply your skills to another division.

Unconditional Inclusion

We are unconditionally inclusive in the way we work and celebrate individual uniqueness. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good.

Let's Stay Connected:

Follow @HPECareers on Instagram to see the latest on people, culture and tech at HPE.

#unitedstates#highperformancecompute

Job:

Engineering

Job Level:

TCP_04"The expected salary/wage range for this position is provided below. Actual offer may vary from this range based upon geographic location, work experience, education/training, and/or skill level.
- United States of America: Annual Salary USD 126,000 - 239,000 in Colorado // 135,500 - 258,500 in Massachusetts // 135,500 - 275,000 in California
The listed salary range reflects base salary. Variable incentives may also be offered."

Information about employee benefits offered in the US can be found at https://myhperewards.com/main/new-hire-enrollment.html

HPE is an Equal Employment Opportunity/ Veterans/Disabled/LGBT employer. We do not discriminate on the basis of race, gender, or any other protected category, and all decisions we make are made on the basis of qualifications, merit, and business need. Our goal is to be one global team that is representative of our customers, in an inclusive environment where we can continue to innovate and grow together. Please click here: Equal Employment Opportunity.

Hewlett Packard Enterprise is EEO Protected Veteran/ Individual with Disabilities.

HPE will comply with all applicable laws related to employer use of arrest and conviction records, including laws requiring employers to consider for employment qualified applicants with criminal histories.

Recruitment Fraud Alert

We have become aware of an increase in fraudulent recruitment activities in which individuals impersonate our company or authorized recruitment agencies to offer fake employment opportunities. These scams may occur through false websites, emails, social media, or chat-based applications and often aim to obtain personal information or money. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process. We also never request personal information such as back account details, Social Security numbers, or national IDs via social media or chat applications.

All legitimate job opportunities will come through official company channels, and candidates are responsible for verifying the credentials of any third party claiming to represent the company. Any reliance on fraudulent communication is at the individual's own risk, and HPE disclaims legal liability for any resulting damages. If you suspect recruitment fraud, do not share personal information or make any payments and report the incident to your local authorities immediately.


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