About the role

Role Overview

Senior Site Reliability Engineer (SRE) Team Lead at XP Venture Labs. You will ensure the reliability, scalability, performance, and security of production systems while leading and mentoring an SRE team. The role blends hands-on SRE expertise with leadership and cross-functional collaboration to proactively prevent incidents and drive measurable reliability improvements.

Responsibilities

Own reliability, availability, and performance of production systems
Define and manage SLAs, SLOs, SLIs, and error budgets
Build and evolve monitoring, logging, and observability standards and metrics
Lead incident response, postmortems, and root cause analysis to reduce recurrence and improve MTTR
Architect and maintain scalable, highly available cloud infrastructure
Champion Infrastructure-as-Code (IaC), automation, and CI/CD best practices
Establish capacity planning and performance optimization strategies
Mentor and develop an SRE team; set on-call and operational excellence standards
Partner with Engineering, DevOps, Security, and Product to embed reliability into the SDLC
Evaluate and implement new tools/technologies/frameworks to improve resilience and efficiency

Requirements

Deep expertise in AWS, including services such as EC2, ECS/EKS, Lambda, RDS, DynamoDB, S3, IAM, VPC, and networking
Strong experience with Docker and Kubernetes for containerized applications
Windows Server and IIS administration experience, plus PowerShell for Windows/legacy automation
Experience with MS SQL Server performance tuning
Performance monitoring experience in a .NET environment, including Angular + C# applications and backend services
Advanced IaC experience with Terraform, AWS CloudFormation, and AWS SAM
Proven ability to architect secure, scalable, highly available AWS environments
Experience deploying and operating serverless and event-driven architectures using AWS Lambda

Leadership & Collaboration

Lead incident and reliability processes with measurable outcomes
Mentor a high-performing SRE team and drive operational standards
Work closely with cross-functional teams to improve reliability across the SDLC

About XP Venture Labs

XP Venture Labs partners with ambitious companies to solve complex technology challenges and accelerate growth. The firm embeds engineering teams as strategic partners, focusing on scalable systems, platform modernization, reliability improvements, and high-impact technical decisions across cloud and distributed systems.