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Selected role

Senior Principal Applied Scientist

Siemens Bellevue, WA, US

$197k - $267k Senior Full-time

Siemens builds the systems the physical world runs on: factories, power grids, buildings, trains, hospitals. Industrial and physical AI is a major opportunity in applied AI, and one of the harder ones to get right. There is a generation of AI-powered products to build.

We are an applied science organization building the science behind them. The work sits at the intersection of machine learning research, real world data, and production systems running in industrial environments.

As Senior Principal Applied Scientist, you set the scientific direction for the pod. You decide which problems are worth solving with ML, what methods to apply, how to evaluate them, and how to move them from a research result to a model that runs in production. You are accountable for the science: the rigor, the evidence, and the outcomes.

This is a senior individual contributor role. Your impact comes from owning the hypotheses, the evaluation, and the path from research to production, and from raising the scientific bar across the team.

Key responsibilities

Set the applied science roadmap for the pod across the core AI capabilities the product depends on, for example multimodal perception, computer vision, language and agentic reasoning, time series modeling, control
Convert product and system requirements into clear research questions, hypotheses, and success metrics
Design and own the evaluation and benchmarking frameworks for generative and predictive models, including offline metrics, online experimentation, and robustness testing in industrial conditions
Lead applied research projects end to end, from literature review and method selection through experimentation, ablation, and productization
Work with engineers to take models into production grade pipelines: data readiness, optimization, inference, observability
Influence architectural and system decisions with scientific evidence and tradeoff analysis
Identify and de-risk scaling challenges: data quality, model drift, latency, throughput, cost, safety
Mentor scientists and engineers on experimentation rigor, reproducibility, and documentation
Champion responsible and trustworthy AI: bias detection, model risk management, human in the loop controls

Basic qualifications

10+ years in applied machine learning, AI research, or data science, with a track record of models that shipped to production and made an impact
Strong foundation in machine learning theory and practice across training, evaluation, and deployment
Demonstrated experience setting the science direction for a portfolio of work and shipping it through to production with engineering teams
Proficiency in Python and modern ML frameworks and toolchains
Track record of building evaluation and benchmarking that the team can run a roadmap against
Clear written and verbal communication, with the ability to explain complex ML concepts to engineers, product managers, and senior leaders

Preferred qualifications

Experience setting science direction across multiple capability areas at the same time
Experience bringing applied research into real world products in industrial or physical domains: manufacturing, automation, robotics, energy, mobility, infrastructure, healthcare
Breadth across multimodal ML, generative AI, retrieval, agentic workflows, control, or planning
Scientific ML for physical systems: surrogate modeling, operator learning, physics-informed ML, geometry-aware ML, differentiable simulation, AI for semiconductor/EDA
Experience standing up evaluation, online experimentation, or production monitoring as practices, not just for a single model
Publications, patents, open source contributions, or significant internal technology transfers that the field can point to
Experience hiring and mentoring senior or staff level scientists
Experience working with globally distributed research, product, or engineering organizations

About the Team:

We are an early-stage engineering team solving hard technical problems at the intersection of AI, systems, and real-world interaction. We operate with high autonomy, collaborate closely across functions, and maintain high technical standards. Principal Engineers at our company are expected to lead by example, model engineering excellence, and shape both what we build and how we build it.

Our Commitment to Equity and Inclusion in our Diverse Global Workforce:

We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.

$197,268 $267,036 20%

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