Automation Engineer IVWe are hiring contractors to expand test and automation for solutions involving BGP, Open/R, Fabrics, Switches and Optics.Responsibilities:Test and automate end-to-end network test cases (control-plane, data-plane, performance, stress/soak) using the inhouse test framework used by DNE team.Build and run traffic-generation tests with Ixia/Keysight in lab environments.Convert qualification test plans into automated, repeatable suites and onboard them as CI/CD conveyor nodes (DC/BB push pipelines) that gate releases.Triage test failures for flakiness vs. legitimate regressions; file and track issues to the appropriate oncall.Maintain and improve existing automation, test configs, and lab tooling;Collaborate with Netcastle (lab infra), Routing, and FBOSS XFN partners to unblock coverage.Must Have:5-8 years in software/network test automation or QA engineering.Bachelors of Science and/or network engineeringStrong Python (test frameworks, scripting, debugging).Hands-on networking fundamentals: BGP, routing/forwarding, L2/L3, data-plane vs. control-plane concepts.CI/CD pipeline experience and comfort working in a Linux environment with source control.Experience with traffic generators (Ixia, Keysight, or equivalent).Nice-to-have Skills:Exposure to Open/R, BGP, ECMP/UCMP, or large-scale DC fabric topologies.Experience qualifying network hardware/optics or vendor NOS (e.g., Arista EOS).Familiarity with lab automation, device provisioning, or scale/performance testing.