Demo

Remote - Lead / Senior Test & Resiliency Engineer

Key Cloud Partners
St Louis, MO Remote Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 4/4/2027

Lead / Senior Test & Resiliency Engineer

Location: St. Louis, MO – Hybrid preferred; remote allowed for the right candidate

Employment: W2 Only

Work Authorization: USC, GC, and H-1B Transfer candidates accepted. No OPT/CPT.

We are seeking experienced Lead / Senior Test & Resiliency Engineers to define and execute the validation strategy for functional behavior, transaction integrity, performance, failover, recovery, monitoring, and production readiness.

Required Skills:

•⁠ ⁠Resiliency, performance, network, and integration testing

•⁠ ⁠TCP/IP and packet-level troubleshooting

•⁠ ⁠Automated testing frameworks and failure-injection techniques

•⁠ ⁠Load, soak, capacity, regression, failover, and recovery testing

•⁠ ⁠Validation of persistent TCP connections during maintenance/failure scenarios

•⁠ ⁠Verification of message loss, duplication, ordering, and customer-impact scenarios

•⁠ ⁠Logs and packet-capture analysis and root-cause investigation

•⁠ ⁠Strong defect analysis, test evidence, certification, and technical documentation

Preferred:

•⁠ ⁠Financial messaging, ISO 8583, payment switching, telecom, or other high-availability transaction platforms

•⁠ ⁠Proxy, load-balancer, network-service, or active-active failover testing

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Salary.com Estimation for Remote - Lead / Senior Test & Resiliency Engineer in St Louis, MO
$148,709 to $173,567
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