Nicolas Ruiz

Senior Cloud Infrastructure & Security Architect

Salary / Daily rate

Annecy, France

Mobility: Paris, Lyon

Freelance, open to permanent contract

Can come onsite

Skills

CybersecurityAWSAzure

Languages

French (Native)English

About me

Intro

Senior Cloud Infrastructure & Security Architect with 15+ years designing enterprise-scale solutions. Former AWS architect specializing in global migrations, AI/ML integration, and security frameworks. Expert in Terraform, Python, and multi-cloud environments delivering optimized, highly available infrastructures.

Links

Work experience

Senior Cloud Infrastructure & Security Architect

ProGridFreelance

Apr 2025 - Present

1 year 7 months

Geneva, Switzerland

📌 Independent Business Owner 🎯 Main Responsibilities • Design enterprise scale, globally distributed, highly available solutions using Cloud Compute, Container, Storage, Database and Network; • Work hands-on with new technologies, including AI/Machine Learning, Serverless/Lambda, IoT, and Security to build Products and Solutions with the customers; • Migrate Data Centers from on-premise into the cloud.

Cloud Infrastructure Architect

Amazon Web Services (AWS)

Sep 2020 - Mar 2025

4 years 7 months

Geneva, Switzerland

✅ Main Activities • Design enterprise scale, globally distributed, highly available solutions using AWS Compute, Container, Storage, Database and Network; • Work hands-on with new technologies, including AI/Machine Learning, Serverless/Lambda, IoT, and Security to build Products and Solutions with the customers; • Structure and Guide the customers through their journey; • Migrate Data Centers from on-premise into the cloud; • Engage as part of AWS global Professional Community to learn and share expertise. 📌 Position within the organization Assist global enterprises to adopt modern architectures and methodologies (Large-scale transformation, mass migrations, complex architectures, Artificial Intelligence, Data Science and Big Data). 🎯 Areas of Depth • Infrastructure Design and Optimisation; • High Availability and Disaster Recovery; • Cost Optimisation, Performance Tuning; • Compute, Storage, Networking; • Automate Infrastructure Provisionning (IaC); • Monitoring of Network, Performance and Security. 🧰 Technologies Terraform, CDK, CloudFormation, GitLab CI, Bash, Python

IT Strategy & Architecture Senior Consultant

Wavestone

Jul 2018 - Aug 2020

2 years 2 months

Geneva, Switzerland

✅ Key Achievements • Big Data platform securization (Greenplum, Private Banking) • Customer Relationship Management SaaS integration (Salesforce, Watchmaking sector); • Data protection audit and assessment in hybrid Cloud environment (AWS S3, health public sector); • Migration to SD-WAN and Cloud. Business cases consultancy (Microsoft Azure, retail company); • Risk based audit of a corporate software defined infrastructure (VMware vRealize, worldwide company); • Data lake design and implementation, technical project management (MongoDB, health public sector); • Cyber Security of Operations, program management officing (NIST framework, banking sector); • Migration to the cloud, strategy consultancy (Microsoft Azure, aeronautic sector); • Privileged access and session management, project management (CyberArk, banking sector); • Target operating model, CI/CD transformation and platform securing, consultancy for a devops container platform (RedHat OpenShift, banking software sector); • Business Continuity and Disaster Recovery Plans, expertise and project management in a public health sector organization (ServiceNow, health public sector). 📌 Position within the organization • Subject Matter Expert in Cloud technologies, Software Defined Networks and Data Protection; • Participate in sales, shaping solutions; • Provides internal and external acculturation of public cloud solutions architecture. 🧰 Technologies Microsoft Azure; Jenkins; Ansible; VMware vRealize Automation, Orchestrator; ServiceNow.

IT Infrastructure & Security Technical Project Manager

Capgemini

Jul 2017 - Jul 2018

1 year 1 month

Geneva, Switzerland

✅ Key Achievements In banking sector, Project and delivery manager for : • Network Access Control on all computers within the organization (Cisco NAC); • Data confidentiality and Email data encryption (Totemo); • Privileged Account Security and Enterprise Password Vault (CyberArk); • Data Loss Protection (Forcepoint DLP). 📌 Position within the organization • In charge of key banking IT security projects. • Following the methodology, using tools/templates and managing communications associated with this function to the company. • Work in close collaboration with business counterparts. 🎯 Main Activities • Define project tasks and evaluate resource requirements; • Manage project budget and resource allocation, deal with suppliers for purchasing and invoicing; • Lead the planning and implementation of the project; • Provide direction and support to a cross functional project team; • Monitor and report on progress of the project to all stakeholders; • Implement and manage project changes; • Ensure that an effective and high quality communication is actively conducted across all levels of business management on the status of the projects; • Deliver weekly report on the status of projects and monthly report and KPI on the project portfolio; • Ensure that key project documentation is available and completed before presenting it to the steering committee.

IT Infrastructure Senior Consultant

International Labour Organization

Jun 2015 - May 2017

2 years

Geneva, Switzerland

✅ Key Achievements Project management, architecture; hands-on deployment and support for : • Datacenter IP and network redesign; • Stretched Metro Storage Clustering; • Oracle licensing containment in x86 environment; • Data Protection (source deduplication, backup replication, application and virtualization awareness); • SAN enhancement (cost optimization by factor 2, redundancy, multipathing and bandwidth optimization, zone partitioning); • Storage Array ( cost and performance major optimization by factor 2); • Virtualized platform optimization and automation (cost, performance and resiliency optimization). 📌 Position within the organization • Provides expertise and hands-on support with the planning, design, improvement and monitoring of infrastructure components and services. Implements and operates proactive and continuous infrastructure capacity and availability management; • Oversees the monitoring of service availability and initiates the investigation of all breaches of service availability targets and service non-availability. Implements Continuous Service Improvement methodology; • Drafts, publishes and maintains strategies, policies, standards and procedures for securing and supporting the IT infrastructure components. Ensures the correct implementation of these standards and procedures. • Leads project activities related to infrastructure modifications; • Engages a proactive risk management strategies for the infrastructure components. Identifies enhancements needed to improve performance, usability and integration; • Collaborates with other units to ensure that the Infrastructure Services staff remains responsive and effective; • Prepares the terms of reference for competitive bidding processes. Collaborates with procurement to finalize the documents and analyse responses.

Virtualization, Storage and Data Protection Consultant

Swisscom

Oct 2013 - May 2015

1 year 8 months

Geneva, Switzerland

✅ Key Achievements Project and Delivery manager for : • Data Protection and recovery solutions for enterprise data; • Persistent virtualized infrastructure; • Private and hybrid cloud; • Data replication and stretched metro clusters. 📌 Position within the organization • Focused on virtualization, storage, resiliency and data protection . 🎯 Activities and Deliverables • Handle and proceed onsite projects, including team, time, delay and deliveries management. • Collaborate with the existing storage and virtualization consultants. • Elaborate solutions. Implement, support, maintain and optimize virtual infrastructures. • Define and develop documented procedures. 🧰 Technologies EMC VNX, VMAX, DataDomain, Avamar, Networker; VMware vRealize, vSphere, NSX, VDP; Cisco Catalyst, Nexus, MDS, UCS; Brocade, Veeam.

IT Security Consultant

ProGridFreelance

Jul 2012 - Oct 2013

1 year 4 months

Amsterdam, Geneva

📌 Independent Business Owner • Information security management consulting • IT service management and governance consulting 🧰Technical environment • ISO/CEI 27005:2008 • ITIL, PCI DSS, COBIT

Global IT Infrastructure Engineer

Greenpeace

Jan 2010 - Jul 2012

2 years 7 months

Amsterdam Area, Netherlands

📌 Purpose of the job • To provide a stable, secure and sustainable global common ICT infrastructure to end users within Greenpeace, from project initiation to maintenance activities, in order to support these users in the most effective and efficient way regarding ICT solutions. • To advise on the development of new systems and to provide support to end users where required. 🎯 Main responsibilities • Maintain and administer network and systems, including version and security updates and corrective actions, using proper change management procedures, in order to guarantee availability and performance. • Deployment and maintenance of applications and databases in order to provide staff with the tools they need to do their work. • Monitor network and systems in order to provide insight in performance and signal future and current problems. • Support technical staff of national Greenpeace office with regards to the implementation of local requirements in a global network concept. • Architectural design of user-focused high performance, secure and future proof systems, in order to provide maximum value from investments in IT solutions. • Project management for technical implementations or changes, including estimation, resource planning, scheduling, and reporting, in order to achieve these in a controlled and structured manner. • Technical contact to external system and network providers in order to provide operational continuity and get information on new usable technologies. • Documentation of systems, projects and procedures in order to structure working processes and preserve knowledge. 🧰 Technologies NetApp FAS; VMware vSphere, NSX, vCloud, VDP; Cisco Catalyst, ASA.

IT Systems, Network & Security Principal Engineer

Groupe Casino

Oct 2008 - Dec 2009

1 year 3 months

Le Port 97420, Réunion

📌 Purpose of the job • Leadership position within the IT department for the Indian ocean region. 🎯Main responsibilities • Design, evaluation and implementation of security solutions; • Development and expansion of a best practice approach to IT security operations across the enterprise; • Provision of technical security advice and guidance to change and implementation projects; • Security administration of Active Directory (log monitoring / review, group policy hardening, design of administrative rights assignment structure); • Security Information Event Management (audit log review and escalation, Web / email content filtering, firewalls, antivirus log review); • Security projects as required (research, identification of new threats, co-ordination with vendors). Penetration testing and security review of vendor solutions; • Security Standards and Policy development as required. Maintenance of library of policies and compliance assurance; • Security Review of existing and evolving systems. 🧰 Technologies IBM DS, BladeCenter; VMware vSphere, VDP; Cisco Catalyst, ASA; Microsoft AD, DFS, DNS, DHCP; Linux LDAP.

IT Systems, Network & Security Principal Engineer. Team Manager

Virgin

Feb 2005 - Oct 2008

3 years 9 months

Saint-Denis de la Réunion Area, Reunion Island (France)

📌 Purpose of the job • Leadership position within the IT department for the Indian ocean region, reporting directly to the regional Chief Financial Officer. 🎯 Main responsibilities • Responsible for the effective execution of corporate project initiatives and general application support for business, maintaining close and healthy relationships with members of the business at all levels of the company; • Responsible for driving strategy within the technology and for partnering with the business to affect positive change on the corporate systems landscape; • Responsible for the planning, budgeting and administration of staff resources; • Responsible for the effective development and utilization of team members; • Responsible for the oversight of expense spending compared to self-defined budget plans; • Accountable for managing key performance metrics for the organization. This includes management and oversight of SLA metrics as well as other performance metrics. 🧰 Technologies VMware vSphere, VDP; Cisco Catalyst, PIX; Microsoft AD, DFS, DNS, DHCP; Linux LDAP, Postfix, Squid.


Education

Conservatoire National des Arts et Métiers

Master of Science (M.Sc.) in Engineering

2005 - 2008

4 years

Microsoft

Microsoft Certified Systems Engineer (MCSE)

2004 - 2004

1 year

IUT de Nantes

Bachelor of Science (B.Sc.) in Engineering

2001 - 2003

3 years

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