Staff Solution Architect – AI Platforms

Sia; Paris; On-site; EUR 120,000 - 180,000; Full time

Job summary

Sia is seeking an experienced Solution Architect to join its AI Platforms team in Paris. You will be the technical authority on client engagements, translating complex business needs into robust data and AI architectures across cloud, ML, and generative AI domains.

You will collaborate with senior stakeholders to define technical vision, lead architecture reviews, ensure production readiness, and mentor junior staff while contributing to pre-sales with scoping and proposals.

Qualifications

• Master's degree in computer science, engineering, or a related field.
• 5 to 8 years of experience in solution architecture, cloud architecture, or a senior engineering role with significant design responsibilities.
• Deep expertise in at least two of the following technology ecosystems: AWS, Microsoft Azure, Google Cloud Platform, Databricks, OpenAI, Anthropic, NVIDIA.
• Strong command of cloud architecture patterns - networking, security, compute, storage, and managed AI/ML services.
• Solid understanding of the data and AI landscape: classical ML, deep learning, generative AI, autonomous agents, and data engineering.
• Proven ability to engage with senior client stakeholders (CIO, CISO, VP Engineering) and translate business needs into technical solutions.
• Excellent communication and presentation skills - able to convey complex technical concepts to both technical and non‑technical audiences.
• Strong problem‑solving skills and ability to make sound architectural trade‑offs under uncertainty.
• Fluent in French; professional proficiency in English.

Responsibilities

• Define and own end-to-end technical architecture for data and AI projects including cloud infrastructure and ML/DL model serving.
• Act as primary technical contact for client stakeholders, aligning decisions with security, compliance (GDPR, EU AI Act), and business goals.
• Lead architecture reviews, design sessions, and governance forums to ensure coherence across workstreams.
• Remove technical impediments for engineering teams and provide hands-on guidance when needed.
• Oversee the full project lifecycle from advisory and prototyping to production deployment.
• Ensure solutions are production-ready with emphasis on scalability, reliability, observability, and cost optimization.
• Support pre-sales with technical scoping, architecture proposals, and effort estimation.
• Mentor junior consultants and contribute to building internal IP and reference architectures.

Skills

Solution architecture

Cloud architecture

Data engineering

MLOps

French language

English language

Education

Master's degree in CS/Engineering

Tools

AWS

Azure

GCP

Databricks

OpenAI

Anthropic

NVIDIA

Job description

Sia is seeking an experienced Solution Architect to join its AI Platforms team in Paris. You will be the technical authority on client engagements, translating complex business needs into robust data and AI architectures across cloud, ML, and generative AI domains.

You will collaborate with senior stakeholders to define technical vision, lead architecture reviews, ensure production readiness, and mentor junior staff while contributing to pre-sales with scoping and proposals.