System Engineer – Windows (Deployment and Support)

within our Digital Technology - Service Quality team, you'll be the backbone of Sanofi's enterprise Windows infrastructure - powering the platforms that thousands of employees, manufacturing sites, and life-saving applications depend on every day. If you believe infrastructure should be built from code, owned end-to-end, and engineered to never fail, this role was made for you. We sit at the heart of Sanofi's digital transformation. Our Windows engineering team owns the platform that most of our enterprise and manufacturing applications run on - and the identity services everything else depends on. We combine modern cloud platforms, automation-first engineering, and relentless service excellence to support Sanofi's mission: chasing the miracles of science.

Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health, committed to chasing the miracles of science to improve people's lives. Our team, across some 100 countries, is dedicated to transforming the practice of medicine by working to turn the impossible into the possible. We provide potentially life-changing treatment options and life-saving vaccine protection to millions of people globally, while putting sustainability and social responsibility at the center of our ambitions At Sanofi, we believe our people are our greatest strength, and we are committed to creating an inclusive environment where diverse perspectives drive innovation. Our values - Aim Higher, Act for Patients, Be Bold, and Lead Together - guide everything we do Main responsibilities

using Terraform, ARM, or Bicep - provisioning servers that are born compliant, not remediated afterwards •

with PowerShell DSC, Ansible, or Puppet - from domain join to hardening baselines •

- provision, patch, harden, upgrade, and decommission across on-premises data centers, manufacturing sites, Azure IaaS, and AWS EC2 •

- domain controllers, Group Policy, Entra ID, and federation services •

across the Windows estate using MECM/SCCM or Azure Update Manager •

, participate in on-call rotations, and lead technical recovery during Major Incidents •

- dashboards, alerting, and self-healing automation using Datadog and Splunk •

, ensuring every change is traceable, tested, and low risk

Substantial hands-on experience with enterprise Windows Server in large-scale, global environments; regulated industry background (pharma/life sciences) is a plus •

Windows Server engineering, Active Directory, Failover Clustering, IIS, PKI; cloud IaaS on Azure and AWS; PowerShell at an advanced level; Infrastructure-as-Code (Terraform preferred); ServiceNow ITSM and CMDB •

Strong ownership mindset, calm under pressure, automation-first instinct, and a genuine dislike of doing the same task twice by hand •

AZ-800/801, AZ-104, ITIL 4, Terraform Associate, or equivalent - valued but not mandatory •

English required; additional languages are a plus

- your infrastructure supports patients and employees across the world •

- we engineer solutions, we don't click through wizards •

- work across on-prem, Azure, AWS, and Arc-managed hybrid estates •

- what you deploy, you own - all the way to production stability •

- every server you harden helps bring life-changing medicines to patients faster

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. Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what's never-been-done-before. You'll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people's lives? Let's Pursue Progress and Discover Extraordinary - together. At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law. #LI-Hybrid #BarcelonaHub #SanofiHubs