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Q-CTRL
Production Technician
SydneyPosted 1 day ago
Q-CTRL
Senior Program Manager

Base Salary:

$190k - $230k

Los AngelesPosted 3 days ago
Q-CTRL
Senior People Operations Partner

Base Salary:

$140k - $210k

Los AngelesPosted 3 days ago
Q-CTRL
People Operations Coordinator
SydneyPosted 3 days ago
Q-CTRL
Senior Research Scientist, Silicon Spin Qubits

Base Salary:

$150k - $225k

Los AngelesPosted 4 days ago
Q-CTRL
Lab and Safety Manager
SydneyPosted 4 days ago
Q-CTRL
Electronics Engineer
SydneyPosted 5 days ago
Q-CTRL
Team Lead, Magnetic Navigation
SydneyPosted 6 days ago
Q-CTRL
Senior Research Scientist, Silicon Spin Qubits

Base Salary:

$150k - $225k

Los AngelesPosted 1 week ago
Q-CTRL
Senior Scientist, Quantum Sensing (Magnetometry)
SydneyPosted 1 week ago
Q-CTRL
Senior Embedded Software Engineer
SydneyPosted 1 week ago
Q-CTRL
Business Development Executive, Quantum Sensing

Base Salary:

$150k - $220k

Los AngelesPosted 1 week ago
Q-CTRL
Staff Project Manager
SydneyPosted 2 weeks ago
Q-CTRL
Senior Navigation Scientist - Quantum Sensing
SydneyPosted 2 weeks ago
Q-CTRL
Security Engineer
SydneyPosted 2 weeks ago
Q-CTRL
Production Technician
SydneyPosted 2 weeks ago
Q-CTRL
Staff Embedded Software Engineer
SydneyPosted 3 weeks ago
Q-CTRL
Senior Systems Technician
SydneyPosted 3 weeks ago
Q-CTRL
Senior Hardware Integration Engineer
HuntsvillePosted 3 weeks ago
Q-CTRL
Senior Strategic Sourcing Specialist - Talent Acquisition

Base Salary:

$135k - $195k

Los AngelesPosted 4 weeks ago
Q-CTRL
Senior Scientist, Quantum Sensing (Magnetometry)
SydneyPosted 4 weeks ago
Q-CTRL
Senior Software Engineer, Back end (Opal Platform)
SydneyPosted 4 weeks ago
Q-CTRL
Senior Research Scientist, Quantum Error Correction

Base Salary:

$150k - $225k

Los AngelesPosted 4 weeks ago
Q-CTRL
Product Manager - Sensing
SydneyPosted 4 weeks ago
Q-CTRL
Director of US Government Engagement

Base Salary:

$210k - $260k

Washington D.C.Posted 4 weeks ago
Q-CTRL
Staff Research Scientist — Quantum Algorithms & Fault-Tolerant Applications

Base Salary:

$185k - $265k

Los AngelesPosted 1 month ago
Production Technician
Q-CTRL
1 day ago Sydney Revenue - $27.3M 132 employees H-1B Friendly

Apply Manually

About the team
The Sensing R&D team at Q-CTRL transforms quantum research into deployable technologies that address real-world problems. We design, build, and field-validate an array of quantum sensors that support our key products, including Ironstone Opal - our solution for GPS-denied navigation.   
 
You don’t need a background in quantum to make an impact here. We value strong engineering fundamentals, a product mindset, and a drive to solve the hardest engineering problems in quantum sensing today.

What you’ll be doing:

  • Hardware Assembly & System Integration: Build, configure, and modify complex prototypes, seamlessly integrating electrical, electronic, mechanical, and optical subsystems into complete quantum sensing products.
  • Testing & Hardware Characterization: Set up, calibrate, and operate test instrumentation to execute functional, performance, reliability, and environmental validation against defined criteria.
  • Diagnostics & Root-Cause Troubleshooting: Investigate integration defects, unexpected behaviors, and anomalies, collaborating with R&D engineers and scientists to isolate root causes and verify corrective actions.
  • Process Documentation & Configuration Tracking: Draft and refine work instructions, assembly guides, and test protocols while maintaining meticulous records of build configurations, test data, and modifications.
  • Design for Manufacturability (DFM) Feedback: Evaluate early-stage builds to identify assembly bottlenecks, suggesting practical design and tooling improvements to make scaling and production more robust.
  • Lab Infrastructure & Operations: Help stand up, organize, and maintain a safe, efficient NPI lab—building custom test fixtures, managing cabling, and ensuring equipment is prepped for testing, field trials, and demos.

Ideally you’ll have:

  • Hands-on Technical Background & Qualifications: Relevant technical qualifications (e.g., Certificate III/IV, Diploma, or trade background) or equivalent practical experience assembling, integrating, and maintaining complex electromechanical, optical, or instrumentation systems.
  • Proactive & Builder Mindset: A positive, self-driven attitude with an eagerness to learn novel technologies, embrace ambiguity, and take initiative to improve tools, workflows, and lab setups.
  • Data-Driven Diagnostic & Troubleshooting Skills: A methodical, evidence-based approach to investigating anomalies—using measured data and observations to identify root causes rather than relying on guesswork.
  • Test & Instrumentation Literacy: Practical experience operating standard lab tools (e.g., oscilloscopes, DMMs, power supplies, DAQ systems) to run structured validation tests and accurately capture performance metrics.
  • Engineering Literacy & Quality Focus: Comfort interpreting schematics, wiring diagrams, and CAD drawings, backed by a commitment to maintaining meticulous build records and clear technical documentation.
  • Collaborative Communication: Strong interpersonal skills to partner effectively across engineering and research disciplines, knowing how to clearly articulate findings and when to escalate technical risks.

It would be fantastic if you have these skills/experience but not essential:

  • Specialised Optics or Photonics Experience: Familiarity working with optical setups, lasers, fiber optics, or precision mechanical alignment in a clean or controlled lab environment.
  • Rapid Prototyping & Fabrication Craft: Practical bench skills beyond standard assembly—such as high-reliability soldering (IPC standards), custom wiring harness fabrication, 3D printing, or light workshop machining.
  • Test Automation & Scripting Basics: Experience using Python, LabVIEW, or shell scripts to automate data collection, interface with lab instrumentation, or speed up repetitive test cycles.
About Q-CTRL
Q-CTRL is the global leader in AI-powered quantum control infrastructure software. We build the tools that make quantum technology useful, solving the hardest challenges in quantum computing and quantum sensing to deliver real-world impact.
 
Founded in 2017, we operate globally with offices in Sydney, Los Angeles, San Francisco, Huntsville, Berlin, and Oxford. Our teams bring together technical and multi-disciplinary expertise across the product lifecycle, and we’re hiring talent to help scale every part of the business. We work quickly to turn cutting-edge science into deployable technology.
 
In 2024 we raised US$113 million in Series B funding, the largest aggregate investment for a quantum software company. Six months later we delivered the first commercial quantum advantage with Ironstone Opal, our field-validated quantum navigation solution for defense and industry.
 
At Q-CTRL, we prioritize outcomes over hours. We offer flexibility, equity potential, and competitive benefits that reflect our high-performance culture. If you’re ready to help shape the future of quantum, we’d love to hear from you!
 
Please be advised that our communications will only come from the @q-ctrl.com domain. All our active job postings are available on our company website.
 
To recruitment agencies, we do not accept unsolicited branded profiles and are not responsible for any fees related to unsolicited resumes.

Q-CTRL
Founded:

2017

Total Funding:

$134.8M

Annual Revenue:

$27.3M

Headcount:

132

Industries:
Information Technology & Services Computer Software
Description:

Q-CTRL, founded in 2017 by Professor Michael J. Biercuk, is based in Sydney, Australia, and specializes in quantum technology infrastructure. The company addresses key challenges in quantum hardware, particularly focusing on error suppression and stability to enhance the practical use of quantum computing and sensing technologies. Q-CTRL develops quantum control infrastructure software that improves the performance and reliability of quantum systems. Their offerings include error suppression tools, AI-driven optimization methods, and solutions compatible with various quantum hardware types, such as superconducting qubits and trapped ions. The company collaborates with leading organizations like IBM and integrates its solutions into cloud-based quantum computing platforms, including Google Cloud. With a mission to make quantum technology practical and scalable, Q-CTRL aims to overcome significant technical barriers in the field. The company has evolved from an academic spin-off to a global scaleup, recognized for its contributions to quantum control theory and its widely adopted software tools in the quantum industry.

Investors:
GP Bullhound Alpha Edison NTT Finance Salus Group
H-1B Sponsorship DOL Verified Limited
H-1B Filings by Department
Engineering6
Operations2
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