The NRE L3 Engineer serves as the highest technical escalation point for complex network issues and is responsible for network reliability, architectural governance, automation, platform optimization, and strategic improvements. The role drives proactive reliability engineering and leads critical network initiatives. Key Responsibilities Advanced Technical Leadership • Act as final escalation point for critical network incidents. • Lead diagnosis and resolution of complex network problems. • Perform deep packet analysis and end-to-end network forensics. • Provide technical leadership during major outages. Network Architecture & Engineering • Design and review network solutions across: o Campus Networks o Data Center Networks o Cloud Networking o Hybrid Connectivity o SD-WAN o Network Security Platforms • Review architecture against scalability, resiliency, and security standards. • Develop high-availability and disaster recovery strategies. Reliability Engineering • Define reliability metrics, monitoring standards, and operational KPIs. • Conduct post-incident reviews and drive corrective actions. • Reduce recurring incidents through engineering improvements. • Lead performance tuning and network optimization initiatives. Automation & Innovation • Develop network automation solutions using: o Python o Ansible o Terraform o REST APIs • Build automated remediation workflows. • Drive Network as a Code (NaaC) adoption.
Vendor & Stakeholder Management • Engage vendors during critical failure investigations. • Manage relationships with technology partners and service providers. • Provide technical guidance to project and delivery teams. • Support audits, compliance requirements, and executive reporting. Mentorship • Mentor L1 and L2 engineers. • Develop troubleshooting standards and best practices. • Lead technical knowledge-sharing sessions. Required Skills Advanced Technical Expertise • Expert knowledge of: o BGP o MPLS o SD-WAN o EVPN/VXLAN o Data Center Networking o Network Security o Cloud Networking (Azure, AWS, GCP) o Load Balancers (F5, Citrix, A10) Automation Skills • Python • Ansible • Terraform • Git • CI/CD integration Security Knowledge • Firewall Architecture • Zero Trust Networking • NAC Solutions • DDoS Mitigation • Secure Access Service Edge (SASE)
Skill Requirements
Experience • 7 to 12+ years of network engineering/reliability experience. • Experience designing and supporting large-scale enterprise networks. • Proven experience handling critical severity incidents and network transformation initiatives. Key Competencies • Technical leadership • Architecture and design expertise • Strategic problem solving • Automation mindset • Stakeholder and vendor management • Mentoring and coaching
Other Requirements
Key Competencies • Technical leadership • Architecture and design expertise • Strategic problem solving • Automation mindset • Stakeholder and vendor management • Mentoring and coaching