Senior Site Reliability Engineer (B2B Contract)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Site Reliability Engineer (B2B Contract) in France.

Join a global engineering environment supporting mission-critical healthcare and pharmaceutical platforms used worldwide. In this role, you will help design, maintain, and optimize highly reliable cloud-native infrastructures that power essential healthcare operations, including medicines, vaccines, and life sciences solutions. You will work at the intersection of platform reliability, automation, observability, and cloud engineering while collaborating with international cross-functional teams. The position offers the opportunity to lead operational excellence initiatives, modernize infrastructure practices, and contribute to large-scale cloud transformation projects. With a strong focus on scalability, resilience, and security, this role is ideal for experienced engineers who thrive in complex technical environments and enjoy solving high-impact infrastructure challenges. The work environment is remote-first, collaborative, and focused on innovation, reliability, and continuous improvement.

• Lead reliability and operational excellence initiatives across critical production platforms and cloud services.
• Define, monitor, and improve SLOs, SLIs, SLAs, availability targets, and error budgets.
• Design and implement scalable, resilient, and secure cloud-native architectures.
• Automate infrastructure provisioning and deployment processes using Infrastructure as Code and CI/CD best practices.
• Build and maintain observability solutions including monitoring, logging, tracing, and alerting systems.
• Drive incident response, troubleshooting, root cause analysis, and postmortem processes.
• Improve operational maturity through automation, documentation, runbooks, and engineering best practices.
• Collaborate closely with global engineering, security, product, and vendor teams.
• Perform capacity planning, performance optimization, and system reliability analysis.
• Mentor engineers and support knowledge sharing initiatives across technical teams.
• Maintain technical and compliance-related documentation where required.

Requirements:

• Minimum 5 years of experience in Site Reliability Engineering, Platform Engineering, or DevOps roles.
• Strong hands-on expertise with AWS cloud services; experience with Azure or GCP is a plus.
• Proven experience with Infrastructure as Code tools such as Terraform or CloudFormation.
• Solid understanding of CI/CD pipelines and Git-based development workflows.
• Experience defining and operating SLOs, SLIs, SLAs, and error budgets.
• Strong experience with observability and monitoring tools including Prometheus, Grafana, ELK/EFK, OpenTelemetry, and distributed tracing solutions.
• Programming or scripting experience with Python, Go, Bash, or PowerShell.
• Good understanding of networking concepts including VPCs, VPNs, load balancers, and firewalls.
• Knowledge of cloud security best practices and compliance frameworks.
• Excellent troubleshooting, communication, and stakeholder management skills.
• Ability to work effectively within global and cross-functional engineering environments.
• Experience in regulated industries such as healthcare or pharmaceuticals is considered a plus.
• AWS Professional, Kubernetes, or similar cloud certifications are advantageous.
• Previous mentoring or technical leadership experience is highly valued.

Benefits:

• Fully remote contract opportunity within Europe.
• Freelance/B2B contract structure offering flexibility and autonomy.
• Opportunity to work on large-scale, mission-critical healthcare technology platforms.
• Exposure to modern cloud-native technologies and enterprise-grade infrastructure environments.
• Collaborative international engineering culture with global teams.
• High-impact technical role with strategic influence on platform reliability and modernization initiatives.
• Full-time project allocation with long-term engagement potential.
• Opportunity to contribute to meaningful projects supporting global healthcare operations.