Senior Network Engineer

Key Responsibilities  Deployment & Operations: Deployment, configuration, and maintenance of network hardware (routers, switches, firewalls) from Cisco and Palo Alto (C9200, C9300X, C9200, PA5500). Ensure all network systems adhere to security and compliance standards. Make sure there is the least user interruption with any deployment or migrations.  Troubleshooting & Resolution: Troubleshooting of complex network issues, performing deep-dive analysis, root cause isolation, and permanent resolution for incidents affecting end users.  Automation: Develop and implement network automation tools and scripts (e.g., using Python, Ansible, Terraform) to streamline operational tasks, provisioning, and configuration management.  Performance Tuning: Proactively monitor network performance and capacity, identifying bottlenecks and implementing optimizations to improve latency and throughput.   🔍 Required Qualifications Experience: 7+ years of progressive experience in an enterprise and large-scale network engineering, design, and operations, preferably within an ISP, large enterprise, or cloud/tech environment. Good to have Linux Operating system experience. Networking Mastery - L3: Expert-level knowledge of TCP/IP, host routing issues. Networking Mastery - L2: Deep, practical knowledge of Layer 2 technologies is mandatory, including Spanning Tree Protocol (STP/RSTP/MSTP), VLANs/Trunking, EtherChannel/LAG, VTP, and addressing L2 security and stability concerns in large domains. Hardware: Deep hands-on experience with Cisco, and Palo Alto platforms, including expertise in their respective operating systems (e.g. IOS XE, PAN-OS) and technologies like Cisco Stackwise and Cisco Stackwise Virtual. Experience with troubleshooting optical issues. Automation Skills: Proficiency in Python for network automation, API interaction, and data manipulation. Experience with configuration management tools like Ansible is highly desirable. Security: Solid experience with network security best practices, firewalls, Palo Alto Panorama. Certifications: Professional-level network certifications (such as CCNP, or equivalent) or equivalent experience  ✨ Preferred Qualifications  Familiarity with network monitoring and logging tools (e.g., Zabbix, PRTG etc).  Experience in cross-functional projects involving servers, virtualization and storage.  A Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.  Key Milestones  Preparation phase (mid Jan to 2026-02-24)  Configuration of all network hardware (C9200-24PXG, C9300X-48TX) along with helping with cabling issues Migration phase (starting 2026-02-24 up to June)  Migrate the network for all cells after coordination with the research teams (one cell at a time), ensuring transition as smooth as possible with minimum user disruption  BAU phase  Turning up the network hardware for any new cells Troubleshooting network issues Creating vlans or changing vlans Documenting any changes in the IP/vlan spreadsheet Updating firewall policies based on issues and user requirements