Senior Site Reliability Engineer

Nexaminds is looking for a Senior Site Reliability Engineer (SRE) with strong AWS expertise to design, build, and maintain reliable, scalable, and highly available cloud infrastructure. The ideal candidate combines software engineering and systems engineering principles to improve system reliability, automate operational processes, and optimize performance across cloud-native environments.

In this role, you will collaborate with software engineering, DevOps, and infrastructure teams to enhance system observability, strengthen incident response capabilities, and ensure the reliability and scalability of production systems.

Location: Mexico (Remote)

This position is open exclusively to candidates who are currently residing in Mexico. Before applying, we encourage you to review our open positions and make sure the location requirements match your current location. Candidates who are not currently based in Mexico will not be contacted for this opportunity.

Requirements:

• 5+ years of experience in Site Reliability Engineering, DevOps, Cloud Infrastructure, or a related engineering role.
• Strong hands-on experience with AWS services, such as EC2, S3, IAM, VPC, CloudWatch, RDS, and load balancing services.
• Experience designing and managing scalable, highly available, and fault-tolerant cloud infrastructure.
• Proficiency in Infrastructure as Code tools such as Terraform, AWS CloudFormation, or similar technologies.
• Strong scripting or programming skills using Python, Bash, Go, or a similar language.
• Experience with monitoring, logging, and observability tools such as Prometheus, Grafana, Datadog, or the AWS observability ecosystem.
• Solid understanding of Linux systems administration, networking, DNS, TCP/IP, and troubleshooting distributed systems.
• Experience with CI/CD tools such as GitHub Actions, Jenkins, GitLab CI, or similar platforms.
• Knowledge of containerization technologies such as Docker and orchestration platforms such as Kubernetes.
• Experience managing production incidents, conducting root cause analysis, and implementing preventive measures.
• Strong problem-solving, communication, and collaboration skills.

Responsibilities:

• Design, implement, and maintain reliable, scalable, and highly available infrastructure on AWS.
• Develop and improve automation tools, scripts, and infrastructure provisioning workflows.
• Manage and optimize cloud infrastructure using Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation.
• Implement monitoring, logging, alerting, and observability solutions to identify and resolve system issues proactively.
• Define, monitor, and improve Service Level Objectives (SLOs), Service Level Indicators (SLIs), and Service Level Agreements (SLAs).
• Lead incident response, troubleshooting, root cause analysis, and post-incident reviews.
• Identify and eliminate repetitive operational tasks through automation and engineering best practices.
• Optimize system performance, availability, scalability, and cloud infrastructure costs.
• Support CI/CD pipelines and deployment strategies to enable safe, reliable, and frequent software releases.
• Implement security best practices, access controls, and infrastructure compliance standards.
• Collaborate with development teams to improve application reliability, resilience, and operational readiness.
• Participate in capacity planning, disaster recovery, and business continuity initiatives.