Freelancer profile translated to English.
Back to original languageAbout Sandra
My priority is to support companies in making their critical IT environments reliable, optimized, and automated. With experience in production at Air France, I combine methodological rigor and technical expertise to transform your IS into a performance driver.
My areas of intervention:
1. Project Management & AMOA (PMP® Expertise)
• Strategic scoping, writing specifications and roadmaps.
• MOA/MOE coordination and digital transformation leadership.
• ITIL process optimization and change management.
2. Cloud & DevOps (Infrastructure as Code)
• Migration strategy and Multi-Cloud management (AWS & Azure).
• Advanced automation via Terraform and Ansible.
• Containerization (Docker, Kubernetes) and CI/CD pipelines.
3. Cybersecurity & Governance (ISO 27001)
• ISO 27001 compliance and GDPR adherence.
• Network security (Firewalls, VPN, IDS/IPS) and vulnerability management.
• Proactive monitoring via SIEM (Splunk, ELK) and monitoring.
4. Systems, Networks & Industrial AI
• Expert administration of Windows Server, Linux, and Active Directory.
• Implementation of AI and Machine Learning solutions for industry.
• Maintenance in Operational Condition (MCO) with 99.9% availability.
Why collaborate with me?
✅ Rare dual expertise: Strategic vision (PMP) + Deep technical mastery.
✅ Culture of excellence: Accustomed to critical and high-availability environments.
✅ ROI-driven approach: Every project is driven by results and cost optimization.
📍 Location: Available in Alsace (Strasbourg, Mulhouse, Colmar) and fully remote or hybrid.
French
Native or bilingual
English
Fluent
German
Basic
Can work on-site
Strasbourg (up to 50km)
Experience
- Air FranceAssistant Head of IT Infrastructure Transformation Program (Non-Datacenter)AVIATION AND AEROSPACEJanuary 2023 - December 2024 (1 year and 11 months)
- Led the IT transformation program by writing the PID and specifications (PRINCE2) for the COMEX, ensuring 100% of milestones were delivered on time.
- Designed and deployed a segmented VLAN network architecture with fiber optic trunk links for 16 aeronautical simulators (A320/B777/A220), improving security and ensuring 99.9% availability.
- Administered 30+ Linux (RHEL/Ubuntu) and Windows servers in 24/7 production via proactive monitoring, ensuring 99.9% availability of critical infrastructures.
- Automated the provisioning of hybrid AWS/Azure infrastructures via Terraform and Ansible (IaC), reducing deployment times by 40%.
- Deployed a proactive monitoring solution (Prometheus/Grafana/Nagios) with QoS metrics across the entire infrastructure, reducing incident detection time by 25%.
- Secured the network architecture through VLAN segmentation and IPsec VPN compliant with ISO 27001, eliminating 100% of unauthorized access and ensuring regulatory compliance.
- Managed the DR/BCP strategy with Veeam Backup compliant with business requirements, ensuring business continuity with an RPO of 4h and RTO of 2h.
- Resolved 150+ L2/L3 technical incidents via ServiceNow according to ITIL processes, reducing MTTR by 25% and achieving 95% user satisfaction.
- Led change management for 50+ users on new monitoring and automation tools, achieving 100% adoption and operational autonomy.
📊 GLOBAL IMPACT:✅ 100% of project milestones delivered on time✅ 99.9% availability of critical infrastructures maintained✅ 95% user satisfaction (ITIL survey)✅ -40% deployment time • -25% incident detection time • -25% MTTR🔧 Skills: PRINCE2 • Cisco CCNA • Linux/Windows • VMware • AWS/Azure • Terraform • Ansible • Prometheus • Grafana • Nagios • ISO 27001 • ITIL • ServiceNow • Veeam - YimmilineAmbassador & Tutor - Process & Data OptimizationDIGITAL AND ITJanuary 2022 - Today (4 years and 5 months)Paris, France
- Coordinated the multi-stakeholder IT infrastructure for 400+ users by resolving 100% of critical blockages, ensuring platform operational fluidity.
- Structured administration processes according to ITIL and PMP® methodologies to standardize practices, ensuring 100% incident traceability and increasing service quality control by 30%.
- Analyzed data from 400+ users using Python and Excel to identify error patterns and optimize workflows, reducing errors by 20% and resolution times by 15%.
- Deployed automated KPI dashboards via Excel and SharePoint consolidating 30+ real-time indicators, improving operational visibility by 35% and facilitating decision-making.
- Developed Python anomaly detection algorithms to identify blockages before user impact, proactively detecting 95% of issues.
- Managed weekly executive reporting consolidating data from multiple sources for 400+ users, ensuring 100% process compliance and full traceability.
- Trained 15 employees on IT administration tools and incident management procedures, reducing their ramp-up time by 40%.
📊 GLOBAL IMPACT:✅ 100% of critical blockages resolved✅ +35% operational visibility via automated dashboards✅ 95% proactive anomaly detection before impact✅ -20% errors • -15% resolution times • +30% quality control🔧 Skills: ITIL • PMP® • Python • Excel VBA • SharePoint • Analytics • KPI • Process Optimization • Data-driven • Algorithms • Dashboards - NGA Industry SolutionsNetwork & Systems EngineerRAW MATERIALS INDUSTRYNovember 2021 - May 2022 (6 months)68000 Colmar, France
- Migrated 20 physical servers to a VMware vSphere infrastructure using automated PowerShell scripts, increasing resource utilization by 30% without service interruption.
- Administered the IT infrastructure for 200+ users via the GLPI tool, handling L1/L2 incidents according to ITIL processes, maintaining 99% IT service availability.
- Deployed a Nagios monitoring solution with SNMP alerts on 30+ critical servers, improving proactive detection by 50% and reducing downtime by 40%.
- Automated the backup strategy with Veeam Backup & Replication compliant with business requirements (RPO 4h/RTO 2h), ensuring 100% business continuity and reducing the risk of data loss.
- Wrote 25+ technical procedures and user guides to standardize administration practices, increasing team autonomy and solution adoption by 30%.
📊 GLOBAL IMPACT:✅ Successful migration without service interruption✅ +30% resource optimization post-migration✅ 99% IT service availability maintained✅ +50% proactive detection • -40% downtime🔧 Skills: VMware vSphere • PowerShell • Nagios • SNMP • GLPI • Veeam Backup • P2V Migration • ITIL • Technical documentation
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Education
- Master 2 Systems, Networks & Cybersecurity EngineeringInstitut F2I2024Master 2 Ingénierie Systèmes, Réseaux & Cybersécurité
- Master 1 Systems, Networks & Cybersecurity EngineeringInstitut F2I2023Master 1 Ingénierie Systèmes, Réseaux & Cybersécurité
Certifications
- Certificate of Achievement_Managing Cybersecurity Risks with ISO 27001Linkedin Learning2024
- Project Quality ManagementLinkedin Learning Academy2024