Senior Test and Resiliency Engineer St. Louis, MO

Hiring: Senior Test and Resiliency Engineer St. Louis, MO

We are looking for a Senior Test and Resiliency Engineer / Test Architect with strong experience in resiliency, performance, network, integration, and high-availability transaction testing.

Job Title: Senior Test and Resiliency Engineer

Position Type: Long Term Contract

Location: St. Louis, MO

Key Responsibilities:

Senior/Test Architect, 8+ years

Senior engineer or test architect, ordinarily 8 or more years of relevant experience.

Mission

Define and execute the validation strategy for functional behave or, transaction integrity, performance, failover, recovery, monitoring, and production readiness.

Core Responsibilities

Build end-to-end test plans across representative lab and lower environments.

Validate traffic movement and persistent TCP connections during planned maintenance and failure scenarios.

Verify there is no unacceptable message loss, duplication, ordering issue, or customer-visible interruption.

Execute functional, integration, regression, negative, failover, recovery, load, soak, and capacity testing.

Validate proxy bypass and return-to-legacy recovery procedures.

Reproduce defects, analyze logs and packet captures, and partner with developers on root-cause analysis.

Define test evidence, acceptance criteria, certification results, and operational sign-off inputs.

Required Skills

Resiliency, performance, network, and integration testing.

TCP/IP and packet-level troubleshooting.

Automated test frameworks and failure-injection techniques.

Performance and capacity tools for high-throughput services.

Strong defect analysis and technical documentation.

Preferred Experience

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

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

Interested or open to new opportunities?
Please send your updated resume with contact details to

Thanks and Regards

Vikas Mahindrakar

New York Technology Partners
120 Wood Avenue S | Suite 504 | Iselin, NJ 08830