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SRE / Application Resiliency Engineer

Nityo Infotech CorporationPhoenix, AZ🇺🇸United States

Quick overview

SeniorityMid Senior
Work modeHybrid
LocationPhoenix, AZ, United States
ShellDNSPhoenixPythonCI/CD

Job description

Job Title: SRE / Application Resiliency Engineer

Location: Phoenix, AZ (Hybrid)

Type : Contract

Seeking an experienced SRE / Application Resiliency Engineer to support IPCW migration readiness, with a focus on application resiliency, active/passive validation, disaster recovery, and migration failure/recovery planning.

Key Responsibilities

  • Define validation strategies for active/passive applications, including functional validation of passive environments without requiring an unplanned production failover.
  • Develop application-level migration failure scenarios, recovery procedures, rollback criteria, and operational runbooks.
  • Assess application dependencies, resiliency architecture, DR readiness, and failover/failback behavior.
  • Define smoke, synthetic, API, and business-transaction validation for post-migration readiness.
  • Validate connectivity and dependencies across DNS, load balancers, firewalls, databases, APIs, and downstream/upstream systems.
  • Leverage observability including logs, metrics, traces, health checks, dashboards, and alerts to establish validation evidence.
  • Partner with application, SRE, infrastructure, network, database, and migration teams during IPCW planning and execution.

Required Skills

  • 8+ years in SRE, Production Engineering, Platform Engineering, or Application Resiliency.
  • Strong hands-on experience with active/passive and active/active architectures, DR, HA, failover/failback, RTO/RPO, and resiliency testing.
  • Strong understanding of distributed applications, APIs, networking, databases, and application dependency mapping.
  • Experience with monitoring/observability tools and automated health/functional validation.
  • Scripting/automation experience using Python, Shell, APIs, and CI/CD pipelines.
  • Strong troubleshooting skills and ability to work across application and infrastructure teams.

Preferred: Prior experience supporting large-scale data-center/cloud migrations, DR exercises, production cutovers, or mission-critical financial-services applications.

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