Senior Site Reliability Engineer

L'Oréal; United States; On-site; USD 150,000 - 230,000; Full time

Job summary

L'Oréal is seeking a Senior Platform Engineer/Technical Lead to drive reliability across Platform Engineering and SRE teams. You will own the enterprise monitoring and observability stack (APM, logging, tracing) and set SLOs, SLIs, and incident-management processes.

You will design Terraform modules for Infrastructure-as-Code and lead AWS, Kubernetes/EKS, DNS, CDN, WAF, and edge security services, while mentoring global engineers and guiding on-call response.

Qualifications

• 8+ years supporting enterprise applications, cloud platforms, infrastructure, or web technologies.
• 3+ years in a Technical Lead, Senior Engineer, or Architect role.
• Strong hands-on experience with AWS, Terraform, Kubernetes/EKS, DNS, CDN, AWS WAF, SSL/TLS, observability platforms, and CI/CD.

Responsibilities

• Provide technical leadership across Platform Engineering and SRE functions, setting standards and driving reliability initiatives (SLOs, SLIs, Error Budgets, Incident Management).
• Own the enterprise monitoring/observability platform (APM, infrastructure monitoring, RUM, logging, tracing).
• Lead governance of the global domain portfolio, DNS, and certificate lifecycle management.
• Provide technical leadership for AWS, Kubernetes/EKS, CDN, WAF, and edge security services.
• Design and maintain Terraform modules for Infrastructure-as-Code.
• Administer AWS WAF and manage web application security controls; serve as senior escalation point for complex production issues.
• Mentor engineers and collaborate with global, follow-the-sun engineering teams.
• Participate in on-call rotations and lead through major incidents.

Skills

AWS

Terraform

Kubernetes/EKS

DNS

CDN

WAF/SSL-TLS

Job description

• Provide technical leadership across Platform Engineering and SRE functions, setting standards and driving reliability initiatives (SLOs, SLIs, Error Budgets, Incident Management)
• Own the enterprise monitoring/observability platform (APM, infrastructure monitoring, RUM, logging, tracing)
• Lead governance of the global domain portfolio, DNS, and certificate lifecycle management
• Provide technical leadership for AWS, Kubernetes/EKS, CDN, WAF, and edge security services
• Design and maintain Terraform modules for Infrastructure-as-Code
• Administer AWS WAF and manage web application security controlsServe as senior escalation point for complex production issues across client- and server-side technologies
• Mentor engineers and collaborate with global, follow-the-sun engineering teams
• Participate in on-call rotations and lead through major incidents

Required Qualifications:

• 8+ years supporting enterprise applications, cloud platforms, infrastructure, or web technologies
• 3+ years as a Technical Lead, Senior Engineer, or Architect
• Strong hands-on experience with AWS, Terraform, Kubernetes/EKS, DNS, CDN, AWS WAF, SSL/TLS, observability platforms, and CI/CD