About us:
Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.
The Role:
We are looking for a hands-on Lead Site Reliability Engineer to establish and continuously improve the performance, reliability, and scalability of our platform.This role will define what the platform can reliably sustain today, identify where constraints will emerge, and ensure the organization is prepared to scale before demand arrives.
This is not a traditional DevOps role or an advisory architecture position. You will work directly across application services, infrastructure,



databases, networking, caching, queues, external dependencies, and operational processes to identify bottlenecks, validate system limits, and lead remediation.
You will partner closely with engineering, product, and leadership to provide clear, evidence-based answers around capacity, performance, reliability, risk, and the cost of scaling.
Key Responsibilities:
Establish performance, throughput, latency, and capacity baselines for critical customer and platform workflows
Define and maintain SLOs, error budgets, performance budgets, dashboards, alerts, and reliability thresholds
Instrument and analyze the full request path across application services, compute, storage, networking, databases, caches, queues, DNS, registry dependencies, and third-party services
Identify system bottlenecks and lead cross-functional remediation efforts with engineering teams
Build capacity models that show what the

📌 Lead Site Reliability Engineer (México)
🏢 Tech Holding
📍 México