NRE/Network Architect

Job Summary

We are seeking a seasoned Network Reliability Engineer (NRE) with deep expertise in designing, operating, and optimizing hybrid & cloud network environments. You will focus on ensuring high availability, scalability, performance, and resilience of enterprise networks spanning on-premises data centers, SD-WAN, ACI, and major cloud platforms (AWS, Azure). This role combines network engineering with Reliability Engineering principle, emphasizing automation, observability, proactive incident prevention, and rapid recovery to meet stringent SLAs for mission-critical applications.

Responsibilities

· Design and implement highly reliable network infra.

· Define and track Service Level Objectives (SLOs), Service Level Indicators (SLIs) and error budgets.

· Lead major incident response, root cause analysis (RCA), and post-mortem reviews.

· Implement blamelesspost-mortems and drive corrective actions to prevent recurrence.

· Build automation scripts, tools, and self-healing mechanisms for network provisioning, configuration management, monitoring, and failover.

· Develop and maintain comprehensive dashboards, alerts, and logging using tools like Prometheus, Django, Grafana, Datadog, Splunk etc.

· Conduct network capacity planning, performance tuning, and chaos engineering to validate resilience.

· Collaborate on network security posture, zero-trust models, firewall policies, and compliance requirements.

· Work with DevOps, SRE, Cloud, Security, and Application teams to embed reliability into the development lifecycle.

· Guide junior engineers and contribute to knowledge sharing within the global team.

Requirements

· Bachelor Degree in Computer Science, Engineering, or related field (or equivalent experience).

· Preferred CCIE and/or CCNP certification Core Networking

· Deep expertise in Routing (BGP,OSPF, EIGRP), Switching (STP, VLANs, VXLAN), Firewalls, Load Balancers, VPNs, and SD-WAN.

· Strong troubleshooting of complex Layer 2/3/4 issues.

· Experience applying SRE principles (error budgets, toil reduction, automation).

· Proficiency in scripting(Python) and Infrastructure as Code (Terraform, Ansible, etc.).

· Prometheus, Grafana, Django, Datadog, etc.

· CI/CD & Automation -Jenkins, GitOps, Ansible.

· Packet analysis: Wireshark, tcpdump.

· Excellent problem-solving, communication, and stakeholder management

· Ability to work in a global,24x7 on-call rotation.

Must Have Skills

· Site Reliability engineering(SRE)

· Network Design and Engineering

· Cisco Application Centric Infrastructure (ACI)

· Network Automation

· Firewall

· Infrastructure as Code (IaC)