Site Reliability Engineer (SRE)

The Brixton Group; Benton Harbor (MI); Remote; USD 140,000 - 200,000; Full time

Job summary

The Brixton Group is seeking a Senior Site Reliability Engineer to own reliability, availability, observability, and production operations for a complex multi-region e-commerce platform. The role emphasizes hands-on work in AWS with ECS/Docker, Lambda, API Gateway, DynamoDB, and VTEX SaaS integrations.

Candidates should have 10+ years in SRE/DevOps, strong incident management skills, and deep expertise in New Relic, CloudWatch, Terraform, and Docker.

Qualifications

• 10+ years in SRE, Production Engineering, DevOps or similar roles.
• Strong hands-on experience with AWS: VPC, ALB, CloudFront, ECS, S3, Lambda, WAF.
• Expert-level New Relic, CloudWatch, and Athena experience.
• Strong incident management, RCA, postmortems, SLI/SLO/SLA, reliability engineering experience.
• Performance testing with k6/JMeter.

Responsibilities

• Lead P1/P2 production incidents, drive recovery, and conduct RCA and blameless postmortems.
• Own observability using New Relic, CloudWatch, and Athena.
• Define and monitor SLIs, SLOs, SLAs, reliability KPIs, and alerting strategies.
• Perform capacity planning, load testing, and performance analysis with k6 and JMeter.
• Validate backup/restore, disaster recovery, resilience, patching, and SSL/TLS certificates.
• Troubleshoot AWS networking, ALB traffic, CloudFront/CDN, DNS, WAF, DDoS/Bot attacks, and firewall interactions.
• Troubleshoot ECS, Lambda, S3, DynamoDB, API Gateway, VTEX/SaaS integrations.
• Read Terraform/IaC and Docker containers for reliability risks.
• Maintain runbooks and documentation in Confluence.

Job description

Duration: 12+ Months
Location: 100% Remote
We are seeking a Senior Site Reliability Engineer (SRE) with 10+ years of experience to own the reliability, availability, observability, and production operations of a complex, multi-region global e-commerce platform. The environment is primarily AWS-based, with extensive use of ECS/Docker, Lambda, API Gateway, DynamoDB, CloudFront/Akamai, and SaaS platforms such as VTEX. This is a highly hands-on role that requires deep expertise in production incident management, observability, performance engineering, AWS troubleshooting, and resilience.
Key Responsibilities:

• Lead P1/P2 production incidents, drive recovery, and conduct RCA and blameless postmortems.
• Own observability using New Relic, AWS CloudWatch, and Amazon Athena.
• Define and monitor SLIs, SLOs, SLAs, reliability KPIs, and alerting strategies.
• Perform capacity planning, load testing, stress testing, and performance analysis using tools such as k6 and JMeter.
• Validate backup/restore, disaster recovery, resilience, patching, runtime upgrades, and SSL/TLS certificates.
• Troubleshoot AWS networking, ALB traffic, CloudFront/CDN, DNS, WAF, DDoS/Bot attacks, and Palo Alto firewall interactions.
• Troubleshoot production issues involving ECS, Lambda, S3, DynamoDB, API Gateway, and VTEX/SaaS integrations.
• Read and assess Terraform/IaC, Docker containers, and production infrastructure for reliability risks.
• Maintain operational runbooks and technical documentation in Confluence.

Required Skills:

• 10+ years in SRE, Production Engineering, DevOps, or similar roles.
• Strong hands-on experience with AWS: VPC, ALB, CloudFront, ECS, S3, Lambda, WAF, Secrets Manager.
• Expert-level New Relic, CloudWatch, and Athena experience.
• Strong incident management, RCA, postmortems, SLI/SLO/SLA, and reliability engineering experience.
• Hands-on k6/JMeter performance and load testing.
• Strong knowledge of Terraform, Docker, Git, Linux/Unix, DNS, TLS/SSL, and shell scripting.
• Experience troubleshooting Node.js, PHP, Python, and Bash-based applications.
• Experience with CDN/edge technologies, traffic analysis, security, and production troubleshooting.
• Excellent communication and ability to operate independently in a mission-critical environment.