
CI&T
Site reliability engineer (sre) mid-level / senior, portugal
Lisbon
April 7, 2026
Full-time
We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
Description:
We are looking for a Senior SRE to lead technical efforts in digital transformation projects for Lifescan. We seek a proactive and autonomous professional who acts as a technical reference, fostering a collaborative and innovative team culture.
Your Mission:
To design and implement scalable, highly available, and resilient infrastructure on AWS. You will lead the implementation of advanced observability frameworks, define SLIs/SLOs, and act as a technical lead during critical incidents. You will collaborate with development teams to optimize application performance, providing guidance on best practices and complex architectural decisions.
You need to have experience with:
- Advanced AWS Expertise: Deep knowledge of AWS major services, including EC2, VPC, ELB, IAM, Lambda, API Gateway, Cloudwatch and data storage.
- Orchestration and Containers: Practical knowledge of Kubernetes (EKS/OpenShift) and Docker.
- Production Support: Large experience supporting production environments, including deployments and troubleshooting and incident management best practices.
- Advanced Infrastructure as Code: Strong proficiency in Terraform and CloudFormation.
- Distributed Systems: Broad understanding of complex distributed architectures and microservices.
- Advanced Scripting: Proficiency in Python, Bash, or PowerShell for complex automation.
- Observability Leadership: Designing enterprise-grade monitoring and logging solutions (ELK, Grafana, Datadog, Site24x7, Cloudwatch).
- English: Advanced or Fluent for interacting with global teams and stakeholders.
You will stand out if you have:
- Familiarity with Generative AI
- Experience with build and release processes for mobile apps (Apple/Google stores).
- Knowledge of Cloud Security best practices and DevSecOps.
- Certifications: AWS Certified DevOps Engineer, CKA, or similar.
- Experience in a regulated Healthcare environment (HIPAA, GDPR).
- Experience with CI/CD, designing and maintaining complex automated pipelines using Jenkins.
Why join us?
- Competitive Salary
- Generous paid vacation days
- Generous sick time
- 100% paid health & dental benefits starting day one
- Annual profit-sharing distribution
- Paid parental leave
- Dedicated career advisor
- And so much more…
Collaboration is our superpower, diversity unites us, and excellence is our standard.
We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.