Senior Device Modelling Engineer

Diraq; Sydney; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Central Sydney office

Volunteer time off

Equity program eligibility

Work with quantum experts

Dynamic environment

Exposure to cutting-edge tech

Job summary

Diraq in Sydney is seeking an engineer or physicist to support simulation and modelling for next-generation quantum devices. You will develop, execute and improve modelling workflows to guide device, process and technology development, working closely with material and integration engineers and experimental teams.

The role involves translating questions into studies, analyzing results, extracting insights, and communicating recommendations that influence design decisions, with opportunities to

Qualifications

• Strong analytical and problem-solving ability.
• Foundational knowledge of semiconductor physics and devices.
• Experience using advanced simulation or modelling environments (TCAD/EM/FEA, Python or MATLAB).
• Ability to develop scripts, automate workflows, and analyze large datasets.

Responsibilities

• Develop and maintain simulation workflows for semiconductor devices and process technologies.
• Perform electrostatic, transport and physics-based modelling of nanoscale devices.
• Analyse design trade-offs, variability and sensitivity to process changes.
• Extract engineering insights from simulation and experimental data.
• Compare simulation predictions against measurements and refine models accordingly.
• Collaborate with multidisciplinary teams to support technology development and product roadmaps.

Skills

Analytical skills

Semiconductor physics

Simulation tools

Scripting

Tools

TCAD

EM

FEA

Python

MATLAB

Job description

We are seeking a motivated engineer or physicist to support simulation and modelling activities for next-generation semiconductor quantum devices and technologies. This role focuses on developing, executing and improving modelling workflows that help guide device, process and technology development.

The successful candidate will work closely with material and integration engineers as well as experimental teams to translate engineering questions into simulation studies, analyse results, and communicate recommendations that influence design decisions.

Benefits

• Stunning central Sydney CBD office with great amenities.
• Paid time off to volunteer for causes you care about.
• Eligibility to participate in our employee equity program.
• Work alongside world experts in quantum computing and a visionary SLT.
• A dynamic, supportive, and fast-paced environment with room to grow.
• Exposure to cutting-edge tech and the opportunity to shape how it reaches the world.

Task & responsibilities

• Develop and maintain simulation workflows for semiconductor devices and process technologies.
• Perform electrostatic, transport and physics-based modelling of nanoscale devices.
• Analyse design trade-offs, variability and sensitivity to process changes.
• Extract engineering insights from simulation and experimental data.
• Compare simulation predictions against measurements and refine models accordingly.
• Collaborate with multidisciplinary teams to support technology development and product roadmaps.

Qualification & experience

• Strong analytical and problem-solving ability.
• Foundational knowledge of semiconductor physics and devices, including concepts such as charge transport, electrostatics, semiconductor process technologies and device operation.
• Experience using at least one advanced simulation or modelling environment (e.g. TCAD, EM, Finite Element Models, Python, MATLAB or similar).
• Ability to develop scripts, automate workflows and analyse large datasets.
• Understanding of numerical methods and physical modelling principles.
• Strong written and verbal communication skills.
• Demonstrated contribution to at least one substantial modelling or simulation project in industry, research or postgraduate study.
• Experience validating models against experimental data.
• Exposure to semiconductor devices, microelectronics, materials, physics or related engineering disciplines.

About Company

Diraq is building quantum computers based on modified silicon transistors, the technology best suited to achieving utility scale, when value far outweighs cost. Diraq’s mission is to become the global leader in the development of utility-scale quantum computing with millions of qubits on one silicon chip.

Diraq’s silicon technology is designed to be integrated into standard data centers. It runs on a single quantum chip, packaged together with classical electronics that operate at cryogenic temperatures, connected to supporting electronics at room temperature.

Founded in Sydney, Australia, Diraq has operations in Sydney and Melbourne, Australia, and is expanding rapidly in the United States with operations in Palo Alto, Los Angeles, Boston, and Chicago.

Work Type: Full time