Director of Solutions Architecture & Engineering

Building profitable PS organizations that drive customer success

I lead teams that transform enterprise AI ambitions into production-ready platforms while building profitable Professional Services organizations. With 13+ years spanning AWS, cloud architecture, and ML infrastructure, I combine technical depth with business acumen—driving utilization, reducing churn, and delivering high-value solutions for Fortune 500 clients.

13+
Years Experience
30+
Enterprise Clients
10+
Team Members
15+
Countries (EMEA)
Get in Touch View Projects
Oussama Ben Lagha
Selected Work

Featured Projects

Enterprise-scale implementations across AI/ML platforms, cloud infrastructure, and digital transformation.

2022 - Present AI/ML
Domino Data Lab

Enterprise AI/ML Platform Delivery

Leading the delivery of enterprise AI platforms across EMEA for Fortune 500 companies in financial services, life sciences, and insurance. Architecting scalable MLOps infrastructure that enables data science teams to accelerate model development from research to production.

Impact
50+ enterprise deployments | 1,000+ data scientists enabled | 60% reduction in model deployment time
Kubernetes MLflow AWS/Azure/GCP GPU Orchestration Terraform Helm
2024 - Present GenAI
Innovation Lab

Agentic AI & RAG Architecture

Designing and implementing agentic AI systems leveraging Retrieval Augmented Generation (RAG) for enterprise knowledge management. Building MCP servers for tool integration and developing multi-agent workflows for automated decision-making processes.

Impact
Custom MCP servers | Multi-agent orchestration | Enterprise tool integration
LangChain LangGraph Claude API RAG Pinecone MCP Server
2021 - 2022 FinServ
Amazon Web Services

Global Financial Services Cloud Transformation

Led cloud adoption and transformation strategies for Tier-1 global banks including JPMorgan, Deutsche Bank, and UBS. Designed compliant infrastructure meeting PCI-DSS, SOC2, and GDPR requirements while enabling innovation at scale.

Impact
5+ Tier-1 banks | 100+ workloads migrated | 35% infrastructure cost reduction
AWS Landing Zone Control Tower Security Hub Organizations CloudFormation
2018 - 2020 Insurance
Andsafe / HannoverRe

Cloud-Native Insurance Platform on EKS

Architected and implemented a fully automated Infrastructure-as-Code solution for a digital insurance platform. Designed microservices architecture on Amazon EKS with multi-AZ deployment, automated CI/CD pipelines, and comprehensive observability.

Impact
99.9% uptime | 40% faster deployments | End-to-end automation
Amazon EKS Terraform CircleCI Prometheus Elasticsearch Multi-AZ
2017 - 2019 FinTech
Enterprise FinTech

Real-time Financial Data Pipeline

Designed and implemented a high-throughput data processing architecture for real-time financial analytics. Built event-driven pipelines handling millions of transactions with sub-second latency requirements.

Impact
Millions of events/day | Sub-second latency | Fully automated with Ansible
Apache Kafka Apache Spark Elasticsearch Docker Mesos Ansible
Career Path

Professional Experience

Sep 2023 - Present

Director, Solutions Architecture & Engineering EMEA

Domino Data Lab

Transformed EMEA Professional Services into a profitable, high-impact organization delivering enterprise AI/ML platforms.

  • Drove PS profitability by increasing team utilization and focusing on high-value engagements
  • Built domain SME model (Life Sciences, FSI, Insurance) combining technical and business expertise
  • Partner with AEs on scoping, renewals, and pre-sales—driving retention and upsell
  • Manage stakeholder relationships from C-suite to platform engineers, pushing for premium rates
  • Lead team of 10+ architects across 15+ EMEA countries serving Fortune 500 clients
Aug 2022 - Sep 2023

Senior Solutions Architect

Domino Data Lab
  • Designed and delivered scalable ML infrastructure across multi-cloud environments
  • Mentored team members in cloud-native architecture patterns
  • Led technical pre-sales and customer success initiatives
Jan 2021 - Aug 2022

Senior Cloud Infrastructure Architect Consultant

Amazon Web Services (AWS) - Professional Services
  • Led cloud transformation for Global Financial Services institutions
  • Architected solutions for Tier-1 banks (JPMorgan, Deutsche Bank, UBS)
  • Influenced AWS product roadmap based on enterprise customer feedback
Jan 2020 - Dec 2020

Team Lead DevOps & Senior Consultant

Storm Reply
  • Built and mentored high-performing DevOps team from ground up
  • Delivered cloud services and SRE projects across multiple clients
  • Supported sales cycle from technical pre-sales to delivery
Sep 2016 - Jan 2020

Platform Architect / DevOps Engineer

Adesso SE (Smarthouse Financial Solutions)
  • Designed automated cloud solutions with multi-tenancy and scalability
  • Consulted FinTech customers on cloud migration strategies
  • Managed infrastructure across AWS, Azure, Kubernetes, and VMware
Expertise

Skills & Technologies

Cloud & Infrastructure

AWS Azure GCP Kubernetes Docker Terraform Helm ArgoCD

AI/ML & Data

MLOps LLMs RAG LangChain MLflow Kafka Spark Vector DBs

Leadership & PS

PS Profitability Team Utilization Customer Retention Pre-Sales & Scoping Stakeholder Mgmt Domain SMEs

Development

Python Go TypeScript Shell SQL

Security & Compliance

PCI-DSS SOC2 GDPR IAM Zero Trust

Languages

English (C2) French (C2) German (B2) Arabic (Native)
Credentials

Certifications

View all badges on Credly

AWS Certified AI Practitioner

Amazon Web Services

AWS AI Practitioner Early Adopter

Amazon Web Services

AWS Solutions Architect Professional

Amazon Web Services

AWS DevOps Engineer Professional

Amazon Web Services

AWS Solutions Architect Associate

Amazon Web Services

AWS Certified Developer Associate

Amazon Web Services

AWS Partner: Cloud Economics Essentials

Amazon Web Services

CKA - Certified Kubernetes Administrator

Linux Foundation

CKS - Kubernetes Security Specialist

Linux Foundation

Azure Administrator Associate

Microsoft

Microsoft Certified: Azure Fundamentals

Microsoft

HashiCorp Terraform Associate

HashiCorp

Professional Scrum Master I (PSM I)

Scrum.org
Academic Background

Education

Engineering Degree

Cloud Computing & IT Architectures
ESPRIT: High School of Engineering and Technology
2013 - 2016 | Tunis, Tunisia

Bachelor of Science

Computer Technology & Telecommunications
Central Polytechnic Private School of Tunis
2010 - 2013 | Tunis, Tunisia
Get in Touch

Let's Connect

Open to Opportunities

I'm always interested in discussing leadership roles in Solutions Architecture, AI/ML platform strategy, or enterprise transformation. Whether you're looking for a technical leader or want to explore collaboration opportunities, let's talk.

oucema.bellagha@hotmail.com Berlin, Germany