Observability-Focused Site Reliability Engineer

Apexon; Birmingham; On-site; GBP 70,000 - 110,000; Full time

Job summary

Apexon is seeking a Site Reliability Engineer to join our growing team, focusing on reliability, scalability, and performance of our cloud-native applications and infrastructure.

You will leverage OpenTelemetry and AWS CloudWatch to design observability, standardize telemetry with ADOT, implement distributed tracing with AWS X-Ray, and drive proactive incident response and capacity planning. This role emphasizes collaboration across teams and continuous improvement of engineering practices.

Qualifications

• SRE experience in cloud-native observability, alerting, and incident management.
• Deep understanding of OpenTelemetry standards, APIs, and SDKs.
• Strong expertise in AWS monitoring ecosystem: CloudWatch, ADOT, X-Ray.
• Proficiency in log querying with CloudWatch Logs Insights.
• Experience setting up on-call rotations and incident escalation workflows.
• Scripting in Python, Bash, or Go for automation.
• Experience instrumenting container environments (EKS/ECS/Fargate/Kubernetes).
• Strong analytical and collaborative skills for cross-functional work.

Responsibilities

• Design, implement, and maintain enterprise-grade observability solutions using OpenTelemetry and AWS CloudWatch.
• Standardize telemetry collection across multi-account AWS environments (ADOT).
• Implement distributed tracing with OpenTelemetry and AWS X-Ray for end-to-end monitoring.
• Define SLIs and SLOs; implement alerting with CloudWatch Alarms and anomaly detection.
• Utilize CloudWatch Logs Insights to analyze and correlate logs with metrics and traces.
• Develop incident response playbooks and manage routing with PagerDuty and EventBridge.
• Conduct capacity planning, load testing, and performance tuning.
• Contribute to IaC using Terraform or CloudFormation to provision observability pipelines.
• Document observability best practices and incident response procedures.

Skills

SRE Experience

OpenTelemetry Expertise

AWS Observability Stack

Log Querying & Analysis

Incident Management

Automation & Scripting

Containerization & Orchestration

Problem-Solving & Collaboration

Tools

AWS CloudWatch

ADOT

AWS X-Ray

PagerDuty

Terraform

CloudFormation

Job description

Apexon is seeking a Site Reliability Engineer to join our growing team, focusing on reliability, scalability, and performance of our cloud-native applications and infrastructure.

You will leverage OpenTelemetry and AWS CloudWatch to design observability, standardize telemetry with ADOT, implement distributed tracing with AWS X-Ray, and drive proactive incident response and capacity planning. This role emphasizes collaboration across teams and continuous improvement of engineering practices.