09/20/2026 updated


100 % available
SQL Server DBA Expert | Always On, Performance, Migrations | GxP Pharma & Banking | PowerShell
Trebes, France
Worldwide
Écoles de France (1996); Dale Carnegie, Communication and Leadership (2002)About me
Hands-on SQL Server DBA, close to 30 years in critical production: GxP pharma, banking, trading, large-scale hosting. Focus on performance, high availability and the PowerShell tooling that keeps databases reliable and compliant. Based in France, available now: remote, hybrid or on-site.
Active DirectoryMicrosoft AzureDisaster RecoveryVMware ESX ServersHyper-VInternet Information Services (IIS)PostgreSQLMariaDBMicrosoft SQL ServersWindows ServersOracle DatabasesPerformance TuningWindows PowerShellTransact-SQLAlwayson
SQL Server DBA for critical and regulated production environments: GxP pharmaceutical manufacturing, banking, trading, large-scale hosting. Close to 30 years in IT, hands-on, available now.
Microsoft SQL Server (6.5 to 2022)
- Database administration of large estates: 70 production instances and 200+ databases at Novo Nordisk (Enterprise, Standard and Express editions, Always On and standalone)
- High availability and disaster recovery: Always On Availability Groups, failover clustering, replication, log shipping, backup and restore strategy, dbatools
- Performance tuning: query optimisation, indexing, execution plans, analysis of I/O, memory and CPU bottlenecks, In-Memory OLTP
- T-SQL, stored procedures, SSIS, SSMS, linked servers
- Security and compliance: TDE, Always Encrypted, user access reviews, audit trail, GxP, GDPR
- Database migrations and version upgrades
Other databases
Oracle 19c / 21c (PL/SQL), PostgreSQL, MySQL / MariaDB (Galera cluster), MongoDB, Redis. Oracle to PostgreSQL migration study at La Banque Postale.
Automation and tooling
PowerShell (expert): deployment, maintenance, monitoring, automated user review reports, SQL Server schema versioning with Git, S.M.A.R.T. and RAID monitoring. Four open-source PowerShell tools published on GitHub and the PowerShell Gallery: PS-NCDU, PS-MRTG, PS-PING, PS-ZIM. Also C#, Python, Bash.
Windows infrastructure
Windows Server 2000 to 2022, Active Directory, DNS, IIS (4,000+ domains on a multi-tenant hosting platform, with automated Let's Encrypt wildcard certificates), Hyper-V, VMware vSphere / ESXi, Microsoft Azure, AWS, Linux (Red Hat, CentOS, Ubuntu).
Monitoring and ITSM
SCOM, SquaredUp, PRTG, Zabbix, ServiceNow (incident and change management), Azure DevOps, Agile (Kanban, Scrum).
Sectors and way of working
GxP pharmaceutical manufacturing (Novo Nordisk), banking IT (La Banque Postale), algorithmic trading, high-traffic e-commerce. More than 20 years of technical leadership (teams of up to 60 people) before a deliberate return to hands-on consulting in 2022. Daily use of LLMs (Claude, ChatGPT, Gemini) to speed up scripting, documentation and audit work. French native, English fluent. Remote, hybrid or on-site.
Experience
Professional experience10+ years
Freelancer since2022
Languages
EnglishFluentFrenchNative speaker
Project history
Reliability, performance and security of the SQL Server estate at the Chartres manufacturing site (insulin injection pens): 70 production instances and 200+ databases (Enterprise, Standard and Express editions, Always On and standalone).
- Performance tuning: bottleneck analysis, index management, query optimisation
- Critical production support (IT/OT): incidents on packaging and filling lines, blocked batches, missing SCADA reports
- Distributed SQL architecture: SCADA / HMI interfaces, batch reports, linked servers, cross-database synchronisation
- GxP compliance: data integrity and traceability, documentation in the quality system
- Five PowerShell tools built and deployed: centralised monitoring and logging, automated user review reports across 70 instances, S.M.A.R.T. and RAID monitoring, preventive parsing of risky write queries (Datashield), schema versioning and audit trail with Markdown + Git
- Monitoring with SCOM and SquaredUp; incidents and changes in ServiceNow; Azure DevOps (Kanban)
Environment: SQL Server 2017 / 2019 / 2022, Windows Server 2016 / 2019, VMware, PowerShell, T-SQL.