Principal Infrastr Eng

Senior Network Test & Certification EngineerLocation: New York, NY Hybrid, 34 days onsiteExperience: 8+ yearsWe are looking for a hands-on Senior Network Test & Certification Engineer with strong enterprise networking, automation, Linux, and AI-assisted engineering experience. The engineer will be responsible for testing and certifying network hardware, software releases, patches, and new features before production deployment.Key Responsibilities * Perform network lab testing, functional/regression testing, code and patch certification, performance and interoperability validation. * Test and troubleshoot BGP, OSPF, L2/L3, routing, switching, failover and convergence scenarios. * Work with Cisco Catalyst, Nexus, ASR/ISR and IOS-XE/NX-OS environments. * Develop network test automation using Python, Ansible, APIs and Git/GitHub. * Use AI/GenAI and Agentic AI to accelerate test-case generation, log/configuration analysis, troubleshooting, root-cause analysis, CVE/patch assessment and certification reporting. * Perform Linux-based network troubleshooting using tcpdump, Wireshark and related tools. * Document test results, defects, risks and production-readiness recommendations.Required Skills * 8+ years of hands-on Network Engineering experience. * Strong BGP, OSPF, TCP/IP and enterprise routing/switching. * Hands-on Cisco Catalyst/Nexus/ASR/ISR experience. * Experience with network testing, validation or certification. * Good hands-on Python and Ansible automation. * Strong Linux networking and troubleshooting knowledge. * CCNP DevNet/DevCor or equivalent network automation expertise strongly preferred. * Exposure to GenAI/LLMs, AI-assisted automation or Agentic AI workflows.Preferred SkillsIXIA/Spirent, Arista, Kubernetes/CNI, Cilium/eBPF, Robot Framework, multicast (IGMP/PIM), CVE/security patch validation, CI/CD and cloud networking.Ideal candidate: A strong Network Engineer who can combine network testing + Python/Ansible automation + AI-assisted engineering to make network certification faster, more automated and more reliable.Other detailsSalary range $60000 to $125000Equal opportunity Employer:Mphasis is an equal opportunity/affirmative action employer. We provide equal employment opportunities to applicants and existing associates and evaluate qualified candidates without regard to race, gender, national origin, ancestry, age, color, religious creed, marital status, genetic information, sexual orientation, gender identity, gender expression, sex (including pregnancy, breast feeding and related medical conditions), mental or physical disability, medical conditions military and veteran status or any other status or condition protected by applicable federal, state, or local laws, governmental regulations and executive orders.VEVRAA Federal Contractor.We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.