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Capital One Logo Capital One · IT - Software Development

Lead Site Reliability Engineer

Mexico, Mexico City · Job Posted June 29, 2026
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Job Description

We're building a Site Reliability Engineering center in Mexico City, and we're hiring a Manager-level Backend Engineer to own the reliability and operational maturity of our settlement platforms. These are batch-critical systems that process every credit and debit transaction across the network. This is a foundational role. You'll be one of the first engineers in CDMX responsible for ensuring settlement cycles complete accurately, on time, and in compliance with SOX and PCI-DSS requirements. You'll work across hybrid infrastructure (on-prem data centers and AWS), partner closely with UK-based engineers, and build the automation and observability that allows Mexico City to operate settlement.

Job Responsibility

  • Own reliability for batch settlement systems - ensure cycle completion windows are met, data integrity is maintained, and failures are detected before they reach downstream consumers
  • Build and improve observability for settlement pipelines - dashboards, alerts, and anomaly detection that make system health legible and reduce reliance on tribal knowledge
  • Drive automation of operational toil - certificate rotation, environment provisioning, compliance artifact generation, and manual validation steps that currently require human intervention
  • Partner with UK-based settlement engineers - acquire domain expertise on Durbin compliance windows, cross-border DCI routing, and acquirer/issuer SLA adherence
  • Participate in incident management - respond to settlement failures, drive root cause analysis, and implement durable fixes that prevent recurrence
  • Contribute to regulatory readiness - ensure SRE practices produce audit-ready artifacts for SOX and PCI-DSS exams without manual toil

Requirements

  • Professional English fluency
  • Bachelor's degree
  • At least 6 years of experience in SRE, production operations, or reliability engineering
  • Experience in DevOps Engineering (internship experience does not apply)
  • 5+ years of experience in at least one of the following: Java, Python, Go
  • At least 4 years of experience with Cloud Native technologies (Amazon Web Services, Microsoft Azure, Google Cloud Platform)
  • 3+ years of experience with container orchestration services including Docker or Kubernetes
  • Experience with Shell or Bash scripting
  • At least 3 years of Unix or Linux system administration experience

Nice to have

  • Experience developing automation solutions using agentic AI tools (Claude Code, Copilot CLI)
  • Troubleshooting and debugging skills across distributed systems
  • Familiarity with payments, financial services, or other regulated high-availability domains
  • Knowledge or experience of Networking concepts (TCP/DNS/TLS)

What we offer

  • Healthy Body, Healthy Mind
  • Save Money, Make Money
  • Time, Family and Advice
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