Full-Time

Agent Builder

Posted on 9/10/2026

Sia Partners

Sia Partners

1,001-5,000 employees

Global management consulting powered by data

No salary listed

Île-de-France, France

In Person

Bachelor's

Category
Software Engineering (1)
Required Skills
LLM
Claude
SharePoint
Microsoft Azure
Python
ERP
Software Testing
OpenAI
CRM
RAG
AWS
n8n
LangGraph
REST APIs
Google Cloud Platform

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Requirements
  • A Bac+5 level degree from a leading engineering or business school or university, with a technical or data component.
  • Demonstrated practical experience with agentic tools; candidates must have used an agent-building platform in practice.
  • Experience designing and deploying at least one AI agent in production using a market platform such as Microsoft Copilot Studio, Claude or Claude Agent SDK, Azure AI Foundry, OpenAI Assistants or AgentKit, Google Agentspace, LangChain or LangGraph, CrewAI, n8n, or an equivalent.
  • Two to six years of experience in consulting, data, software development, or digital transformation.
  • Proficiency in prompt engineering and practical understanding of large language model limitations, including hallucinations, context windows, cost, and latency.
  • Proficiency in Python and practical experience with REST APIs.
  • Understanding of retrieval-augmented generation architectures, including chunking, embeddings, vector databases, and retrieval strategies.
  • Experience with the Microsoft 365 and Power Platform ecosystem or a cloud platform such as Azure, Google Cloud Platform, or Amazon Web Services.
Responsibilities
  • Engage with stakeholders to identify, qualify, and prioritize high-impact agentic use cases.
  • Design agent architectures, including task decomposition, model selection, tools and connectors, memory, guardrails, and human control points.
  • Build and iterate on agents using market platforms such as Microsoft Copilot Studio, Claude, Azure AI Foundry, OpenAI, LangGraph, n8n, and Google Agentspace.
  • Perform prompt engineering and context engineering, including system instructions, skill decomposition, and integration of knowledge sources such as retrieval-augmented generation, SharePoint, and document databases.
  • Integrate agents with client information systems through application programming interfaces, Model Context Protocol, and business connectors for Microsoft 365, customer relationship management, enterprise resource planning, and information technology service management.
  • Evaluate and improve reliability through test sets, response-quality measurement, regression detection, and cost and latency monitoring.
  • Secure deployments through rights and data management, traceability, compliance with applicable regulations, and adherence to client artificial intelligence policies.
  • Support adoption through user training, documentation, and knowledge transfer to client teams.
  • Contribute to the development of the firm's agentic artificial intelligence offerings and accelerators.
  • Capture and reuse agents, skills, and reusable components developed during engagements.
  • Participate in requests for proposals and client demonstrations.
  • Facilitate the internal community through technology monitoring, best-practice sharing, and team upskilling.
Desired Qualifications
  • Practical knowledge of the Model Context Protocol.

Sia Partners is a global management consulting group that blends digital capabilities, data analytics, creative thinking, and a sense of responsibility to help clients solve problems and seize opportunities in a changing business landscape. Their work combines strategic advisory with implementation support, using data-driven insights and digital tools to diagnose issues, design solutions, and drive transformation across functions and industries. Sia differentiates itself through its data-forward, technology-enabled approach paired with creative problem-solving and a commitment to responsible practices, aiming to deliver practical, sustainable outcomes for organizations worldwide. The company's goal is to help clients navigate disruption, transform operations and strategy, and achieve measurable, responsible growth.

Company Size

1,001-5,000

Company Stage

Growth Equity (Non-Venture Capital)

Total Funding

$12.7M

Headquarters

Paris, France

Founded

1999

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Simplify Jobs

Simplify's Take

What believers are saying

  • Precedence in July 2025 pushed Benelux scale toward 200 consultants and German entry.
  • The Upside brought £6.2 million 2024 revenue and stronger UK branding capabilities.
  • Hiring momentum remains strong in 2026, with 730 active jobs and 3,789 headcount.

What critics are saying

  • Multiple acquisitions since March 2025 strain integration, culture, and partner retention across geographies.
  • Paris prud'hommes allegations in June 2026 spotlight toxic-management claims and non-compete disputes.
  • Trade-secret litigation in New York shows employee departures can trigger costly client-risk battles.

What makes Sia Partners unique

  • Blackstone backed Sia with €250 million in December 2024, funding faster expansion.
  • Kaiser Associates deal on January 2026 adds U.S. strategy and PE-M&A depth.
  • Sia now spans 48 offices across 19 countries, blending consulting, AI, and creative services.

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Benefits

Professional Development Budget

Company News

Associated Press
Jan 27th, 2026
Sia acquires Kaiser Associates to launch global corporate strategy and M&A business line

Sia, a global management consulting group, has acquired Kaiser Associates, a US-based strategy consulting firm, to launch a dedicated Corporate Strategy, Private Equity and M&A business line spanning the US, UK, France, Middle East and Australia. Founded in 1981, Kaiser Associates brings 65 consultants and operates from Washington, D.C., New York and London. The firm specialises in go-to-market strategy, growth assessments and market landscaping for Fortune 500 executives and private equity funds. Kaiser Associates' leadership team, including Ali Cumber, Paul Mumma and Jon Meyerholz, will join Sia as partners, with Meyerholz heading the new business line as managing partner. The acquisition expands Sia's North American presence and strengthens its position in private equity advisory.

Business Wire
Jul 4th, 2025
Sia Expands in the Netherlands with the Acquisition of Precedence

Sia continues its strategic expansion with the acquisition of Precedence, a consulting player.

Consultancy.uk
May 9th, 2025
Sia Acquires The Upside for Expansion

Sia has acquired The Upside, enhancing its brand, innovation, and cultural strategy capabilities in the UK. The Upside, founded in 2013, generated £6.2 million in 2024 revenues. This acquisition follows Sia's €250 million minority investment from Blackstone, supporting its European expansion. Niku Banaie, CEO of The Upside, will lead Sia's UK brand, innovation, and culture team. The Upside will adopt Sia's branding as part of the transition.

Business Plus
Dec 17th, 2024
Sia Partners receives €250m investment from Blackstone

Dublin-based management and AI consulting firm Sia Partners has received investment of up to €250m from Blackstone, one of the world's largest alternative

Finyear
Dec 16th, 2024
Sia Partners receives €250m from Blackstone

Sia Partners has opened its capital to Blackstone, the world's largest alternative asset manager, through a €250 million minority investment. Despite this, founder and CEO Matthieu Courtecuisse retains a majority stake. This marks the first time Sia Partners has sought a financial partner since its founding in 1999. The firm, with nearly €500 million in revenue, aims to accelerate growth, especially in the U.S. and other countries where it operates.