Senior Network Test Engineer

About the role

Our client is seeking a Senior Network Test Engineer to join their team. This is a senior-level quality engineering role responsible for validating store network infrastructure, POS applications, peripherals, and connected devices across lab, mock-store, pilot-store, and production environments. This role partners with Network Engineering, InfoSec, Store Operations, application teams, vendors, and project leadership to identify risks, define test strategies, execute validation, troubleshoot issues, and confirm deployment readiness for store technology solutions.

Responsibilities

• Build, configure, test, and maintain network lab environments used to validate new technologies, configurations, upgrades, and network solutions before production deployment
• Identify business, technical, and operational risks and contribute to user story and requirement definition
• Define, develop, and review test cases, test plans, test scenarios, and overall test strategy
• Read and analyze network requirements and Change Requests; identify testable, ambiguous, and missing requirements
• Convert requirements and Change Requests into positive, negative, boundary, integration, and regression test scenarios
• Build and maintain mock-store and lab environments that represent real store network and device configurations
• Perform integration and functional testing of store devices after a Change Request is implemented
• Execute connectivity, reachability, configuration, DNS, routing, firewall, port, and device-access validation
• Perform network-performance testing, including latency, packet loss, bandwidth, and response-time analysis
• Execute network failover, recovery, reliability, and stability testing
• Test POS applications, payment devices, scanners, cameras, printers, and other store peripherals and cloud-connected services
• Capture logs, packet traces, screenshots, test evidence, and performance measurements to support defect analysis
• Troubleshoot issues across application, device, network, security, and configuration layers and help determine root cause
• Manage defects through triage, prioritization, retesting, closure, and regression validation with full traceability
• Coordinate