Principal AI & Systems Architect

Siemens; Washington (District of Columbia); On-site; USD 233,000 - 315,000; Full time

Job summary

Siemens in the Washington, DC area seeks a Principal Engineer to set the technical direction for systems blending cloud, ML, and hardware interaction. You will define architecture that is robust, scalable, and adaptable to rapid research and product iteration.

This is a high‑impact leadership role with cross‑team influence. You will work with engineers, ML researchers, product managers, and executives to shape the architecture and foundational components that support the next generation of

Qualifications

• 10+ years of professional software development experience.
• Experience designing and scaling distributed systems and real-time applications.
• Proven ability to lead technical strategy and cross-team architecture efforts.
• Proficiency in at least one backend systems language (e.g., Python, Go, Java).
• Strong understanding of system design, performance optimization, and fault-tolerance.

Responsibilities

• Define and evolve the technical architecture across core systems and products.
• Provide hands-on technical leadership on strategic projects.
• Lead technical reviews and mentor engineers across all levels.
• Align engineering direction with product and ML research priorities.
• Identify and address scaling challenges before bottlenecks.
• Champion engineering excellence, reliability, and system sustainability.

Skills

Distributed systems

Leadership

Architecture

Backend programming

System design

Performance optimization

Fault tolerance

Tools

Python

Go

TypeScript

PyTorch

HuggingFace

ONNX Runtime

LangChain

AWS

Kubernetes

Redis

Postgres

S3

Terraform

GitHub Actions

Datadog

Grafana

Prometheus

Job description

Siemens in the Washington, DC area seeks a Principal Engineer to set the technical direction for systems blending cloud, ML, and hardware interaction. You will define architecture that is robust, scalable, and adaptable to rapid research and product iteration.

This is a high‑impact leadership role with cross‑team influence. You will work with engineers, ML researchers, product managers, and executives to shape the architecture and foundational components that support the next generation of