Network Engineer | India

Job Summary

To complement our rapid growth, we are sourcing a Network Engineer to operate in a 24/7 Software-as-a-Service (SaaS) environment, taking ownership of complex LAN infrastructure initiatives and driving operational excellence across Cisco Nexus, Palo Alto, and F5 platforms. You will lead projects, own end-to-end troubleshooting, drive automation strategy, and provide technical leadership during incidents - while mentoring junior engineers and representing the network domain to senior stakeholders.

Responsibilities

• Own end-to-end troubleshooting of complex LAN connectivity, firewall policy, and load balancer issues, and drive resolution with customers and internal teams.
• Conduct in-depth analysis of network incidents, identify root causes, and implement preventive measures to reduce repeat occurrences.
• Lead and coordinate responses to network and security incidents, ensuring timely resolution and minimizing potential impacts.
• Participate in on-call rotation following the Sun Model schedule; provide technical leadership during outages and lead post-incident root cause analysis and corrective action planning.
• Lead the review, analysis, and execution of network change requests within the data-center fabric domain, ensuring adherence to change management and risk-mitigation standards.

Projects Architecture

• Lead and drive LAN infrastructure projects involving Cisco Nexus switching, Palo Alto firewalls, F5 load balancers, and NDFC fabric management.
• Partner with cross-functional stakeholders to design and deliver next-generation data-center fabric architectures, leveraging VXLAN, Cisco Nexus Dashboard, Kubernetes networking (Calico), and AI/ML-enabled networking.
• Manage and operate data-center fabric services across hybrid and multi-cloud environments - on-premises Cisco Nexus infrastructure, GCP, and AWS.
• Perform traffic engineering and capacity planning to guide long-term infrastructure investments.
• Develop and maintain technical roadmaps, architecture standards, and configuration policies for LAN, firewall, and load balancer environments.
• Manage and maintain existing network infrastructure (Nexus, Palo Alto, F5), ensuring reliability, performance, and equipment lifecycle planning.

Monitoring Observability

• Develop and report operational and performance metrics using observability platforms including Prometheus, Grafana, and SolarWinds.
• Define, measure, and report site reliability using SLI/SLO metrics.
• Maintain operational focus on the data-center fabric while coordinating cross-team efforts with network security and load balancing functions to ensure end-to-end service reliability.
• Analyze historical network incidents to identify systemic issues and inform preventive engineering.

Automation

• Drive automation strategy and execution using Ansible, Terraform, Python, and CI/CD pipelines for provisioning, configuration, and monitoring.
• Implement automated remediation to prevent recurrence of known issues.
• Demonstrate and scale a culture of automation across engineering and operations teams.
• Track and manage projects, processes, and technology initiatives across the team, ensuring alignment, visibility, and timely execution.
• Maintain runbooks, topology diagrams, and SOPs.

Security

• Manage overall network security including routing policies, Palo Alto firewall rules, and access controls to protect infrastructure.
• Own all operational aspects of network security infrastructure - OS maintenance, vulnerability management, capacity planning, lifecycle management, and certificate administration.

Requirements

• Bachelors degree in computer science or a related technical field preferred, or equivalent practical experience.
• Minimum 5-10 years of experience in medium-to-large networks, IP routing, switching, and security principles in a production SaaS or enterprise environment, including experience as a technical subject matter expert.
• Deep hands-on expertise with Palo Alto firewalls - security policy design, Panorama management, Global Protect VPN, and threat prevention.
• Advanced experience with F5 BIG-IP - LTM, GTM