Digital Twin Principal Engineer, Lead at Terrapower in Bellevue, WA | USD169,922-235,464 | Kablio

Role

Description

benchmarking

performance optimization

hpc

Benchmark and optimize performance for high-fidelity and high-performance computing (HPC) applications.

Requirements

digital twin

python

ai/ml

10+ years

hpc

phd

Experience architecting or implementing digital twin frameworks, industrial IoT platforms, or predictive modeling systems.
Bachelor’s degree in Computer Science, Mechanical/Nuclear Engineering, Physics, or a related field.
Proficiency in programming languages such as Python, C++, or equivalent.
Proficiency with AI/ML frameworks (e.g., PyTorch, TensorFlow) and physics-informed ML approaches.
10+ years of experience in software engineering, simulation, or large-scale data systems.
Understanding of scientific or engineering data workflows (e.g., CAD/CAE, CFD, FEA, or physics-based modeling).
Proven record of leading the design and delivery of technically complex, integrated systems.
Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day
Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
Advanced degree (MS or PhD) in Engineering, Computer Science, or related discipline.
Experience with HPC or GPU-based computation for simulation or AI workloads.
Familiarity with hybrid cloud or distributed compute systems (e.g., Azure HPC, Kubernetes, Omniverse).
Travel required: 0-5%
Demonstrated experience guiding technical teams and delivering solutions under structured software governance.
Strong communication skills and the ability to clearly present technical content to diverse audiences.
Special Senses: Visual and audio focused work
Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds
Working knowledge of software quality and compliance frameworks (e.g., NQA-1, ASME V&V 40, DOE or NRC software standards).

Benefits

Relocation Assistance
401k Plan
Generous Paid Time Off (PTO)
Professional and Educational Support Opportunities
Comprehensive Medical and Wellness Benefits
Flexible Work Schedule
Competitive Compensation
Salary, eligible to participate in discretionary short-term incentive payments
Generous Holiday Schedule
Typically, our employee salaries are within .90 – 1.0 of the mid-point of the posted salary band. Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications and experience. This range is specific to Washington State.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded with a vision to revolutionize the nuclear energy sector and reduce global carbon emissions.
Develops advanced nuclear reactors, such as Natrium, designed for clean, safe, and efficient energy generation.
Focused on utilizing next-generation technology to solve the world’s energy challenges sustainably.
Pioneers in the use of innovative fuel designs, including Natrium’s molten salt technology.
Natrium reactor design offers unique features, like the ability to integrate with renewable energy sources.
Supported by top-tier investors, including Bill Gates and Warren Buffett, to accelerate energy transition.
Aims to deploy advanced nuclear reactors globally, contributing to a low-carbon future.
Combines decades of expertise in nuclear engineering with cutting-edge technology to ensure safety and performance.
Recent partnerships with governments and private sectors to bring next-gen nuclear solutions to market.

Culture + Values

Driven by a mission to deliver sustainable, carbon-free energy by using nuclear energy as a key solution.
Committed to providing innovative, reliable, and scalable nuclear technology to meet the world’s growing demand for clean energy.
Value collaboration and recognize that solving the energy challenges of today and tomorrow requires the collective efforts of diverse and dedicated people.
Embrace transparency and integrity in every aspect of our work, ensuring accountability and fostering trust.
Take pride in a culture of safety and innovation, continuously improving to create a world-class team focused on results.

Environment + Sustainability

2050

Net-Zero Target

Aim to achieve net-zero carbon emissions across operations.

Contribute to the global transition to clean, carbon-free energy.
Working toward deploying next-gen nuclear reactors with advanced fuel cycles.
Natrium reactor complements renewable energy sources and reduces emissions.
Technology aims to recycle spent nuclear fuel, reducing waste.

Inclusion & Diversity

The company fosters a diverse and inclusive environment where all team members are empowered to thrive.
The company is committed to recruiting a diverse workforce and building teams that reflect a wide range of perspectives.
The company is actively investing in gender equality within its teams, but specific gender-related statistics are not publicly disclosed.
Tips: The company provides resources to support the professional growth of all employees.

Articles

Careers

Our Projects

Technology

Role

Description

benchmarking

performance optimization

hpc

Benchmark and optimize performance for high-fidelity and high-performance computing (HPC) applications.

Requirements

digital twin

python

ai/ml

10+ years

hpc

phd

Experience architecting or implementing digital twin frameworks, industrial IoT platforms, or predictive modeling systems.
Bachelor’s degree in Computer Science, Mechanical/Nuclear Engineering, Physics, or a related field.
Proficiency in programming languages such as Python, C++, or equivalent.
Proficiency with AI/ML frameworks (e.g., PyTorch, TensorFlow) and physics-informed ML approaches.
10+ years of experience in software engineering, simulation, or large-scale data systems.
Understanding of scientific or engineering data workflows (e.g., CAD/CAE, CFD, FEA, or physics-based modeling).
Proven record of leading the design and delivery of technically complex, integrated systems.
Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day
Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
Advanced degree (MS or PhD) in Engineering, Computer Science, or related discipline.
Experience with HPC or GPU-based computation for simulation or AI workloads.
Familiarity with hybrid cloud or distributed compute systems (e.g., Azure HPC, Kubernetes, Omniverse).
Travel required: 0-5%
Demonstrated experience guiding technical teams and delivering solutions under structured software governance.
Strong communication skills and the ability to clearly present technical content to diverse audiences.
Special Senses: Visual and audio focused work
Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds
Working knowledge of software quality and compliance frameworks (e.g., NQA-1, ASME V&V 40, DOE or NRC software standards).

Benefits

Relocation Assistance
401k Plan
Generous Paid Time Off (PTO)
Professional and Educational Support Opportunities
Comprehensive Medical and Wellness Benefits
Flexible Work Schedule
Competitive Compensation
Salary, eligible to participate in discretionary short-term incentive payments
Generous Holiday Schedule
Typically, our employee salaries are within .90 – 1.0 of the mid-point of the posted salary band. Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications and experience. This range is specific to Washington State.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded with a vision to revolutionize the nuclear energy sector and reduce global carbon emissions.
Develops advanced nuclear reactors, such as Natrium, designed for clean, safe, and efficient energy generation.
Focused on utilizing next-generation technology to solve the world’s energy challenges sustainably.
Pioneers in the use of innovative fuel designs, including Natrium’s molten salt technology.
Natrium reactor design offers unique features, like the ability to integrate with renewable energy sources.
Supported by top-tier investors, including Bill Gates and Warren Buffett, to accelerate energy transition.
Aims to deploy advanced nuclear reactors globally, contributing to a low-carbon future.
Combines decades of expertise in nuclear engineering with cutting-edge technology to ensure safety and performance.
Recent partnerships with governments and private sectors to bring next-gen nuclear solutions to market.

Culture + Values

Driven by a mission to deliver sustainable, carbon-free energy by using nuclear energy as a key solution.
Committed to providing innovative, reliable, and scalable nuclear technology to meet the world’s growing demand for clean energy.
Value collaboration and recognize that solving the energy challenges of today and tomorrow requires the collective efforts of diverse and dedicated people.
Embrace transparency and integrity in every aspect of our work, ensuring accountability and fostering trust.
Take pride in a culture of safety and innovation, continuously improving to create a world-class team focused on results.

Environment + Sustainability

2050

Net-Zero Target

Aim to achieve net-zero carbon emissions across operations.

Contribute to the global transition to clean, carbon-free energy.
Working toward deploying next-gen nuclear reactors with advanced fuel cycles.
Natrium reactor complements renewable energy sources and reduces emissions.
Technology aims to recycle spent nuclear fuel, reducing waste.

Inclusion & Diversity

The company fosters a diverse and inclusive environment where all team members are empowered to thrive.
The company is committed to recruiting a diverse workforce and building teams that reflect a wide range of perspectives.
The company is actively investing in gender equality within its teams, but specific gender-related statistics are not publicly disclosed.
Tips: The company provides resources to support the professional growth of all employees.

Articles

Careers

Our Projects

Technology