Cross-functional Architect (IAM - IS Security)

Project overview

Our client in the Networks and Telecommunications sector is looking for a cross-functional architect (IAM - IS Security) H/F

Mission Description:

Cross-functional Functional Architect – Sales, GP Offers, Digital & APIs Context

The IT department, within the Architecture Studies (EDA) department, is looking for a Cross-functional Functional Architect to support cross-functional projects in the Sales, Consumer Offers, and Digital domains, as well as API governance initiatives.

The architect acts as the interface between business units, architecture teams, and development factories to define functional solutions consistent with IS urbanization.

Main Missions

The architect will be responsible for:

Deliverables

Required Skills

Skill

Level

Functional Architecture

Expert

REST APIs / API Governance

Process Modeling

IS Urbanization

Software Architecture Models

Advanced

UML

Confirmed

IS Security / IAM

Functional Impact Analysis

Profile Sought

Senior functional architect with significant experience in complex and cross-functional IS, with a strong ability to connect business needs, processes, applications, APIs, and architecture.

The profile should have excellent interpersonal skills, be comfortable leading workshops, and be able to converge different stakeholders.

Experience in the telecom sector, particularly in mobile, fixed, offers, sales, or digital topics, is a plus.

Key Skill

Ability to transform a complex business need into a coherent, secure, industrializable functional architecture solution aligned with IS urbanization.

Essential Skills / Qualities:

Functional Architecture, REST APIs / API Governance, Process Modeling, IS Urbanization, Software Architecture Models, Advanced, UML, IS Security / IAM, Confirmed, Functional Impact Analysis, Expert

• Understanding, challenging, and formalizing business needs;
• Designing cross-functional functional architecture solutions;
• Carrying out architecture scoping and impact analyses;
• Identifying impacted applications, processes, and flows;
• Proposing solution scenarios and associated work packages;
• Preparing study commitments;
• Leading co-construction workshops with business units and development teams;
• Writing functional specifications and architecture requirements;
• Designing and modeling processes and use cases;
• Defining API architecture principles and solutions;
• Participating in API governance initiatives;
• Taking into account IS security and identity management (IAM) challenges;
• Providing functional support during the development phase.
• Scoping documents;
• Study commitment forms;
• Functional specifications in Confluence or Word;
• List of impacted or created processes and use cases;
• Activity and sequence diagrams;
• Architecture and flow diagrams;
• Architecture patterns;
• API design principles and modeling.

Nice to have

Experience in telco

Information regarding teleworking:

Yes — 2 days/week

Profile Sought

• Functional Architecture
• REST APIs / API Governance
• Process Modeling
• IS Urbanization
• Software Architecture Models
• Advanced
• UML
• IS Security / IAM
• Confirmed
• Functional Impact Analysis
• Expert

Project details

• Start: 30/11/2026
• Duration: 6 mois renouvelable
• Remote: hybrid
• Location: Meudon, Île-de-France, FR
• Rate: 78-78 EUR/h
• Languages: French