Job Title: Lead Network & Security Engineer

Experience Required: 10–12 Years

Location: Hyderabad

OSI Digital is looking for Lead Network Security Engineer with strong expertise in Palo Alto (firewalls, Panorama), Arista Spine-leaf and Cisco ISE. The candidate should possess extensive experience in traffic analysis, rule base review, network access control, and data center migration projects. This role requires a proactive qualified who can ensure the efficiency, security, and compliance of our client’s enterprise network infrastructure.

Key Responsibilities

• Palo Alto & Panorama
• Manage, configure, and optimize Palo Alto firewalls and Panorama.
• Analyze network traffic and firewall rules to ensure compliance and security.
• Review, audit, and optimize security policies and access rules.
• Identify and block vulnerable ports/services to strengthen network defense.
• Perform rule base clean-up, removing unused or redundant rules.
• Ensure best practices are followed for firewall and Panorama operations.

• Network Access Control (NAC)




• Implement and manage 802.1X authentication.
• Administer and troubleshoot Cisco ISE for NAC and policy enforcement.
• Integrate NAC solutions with security infrastructure.

• Migration Projects
• Lead or support data center migration activities from legacy to modern environments.
• Ensure minimal downtime and smooth cutover during migrations.
• Validate switch-to-firewall traffic paths and ensure seamless connectivity.
• Security & Network Operations
• Provide end-to-end analysis of network and security flows.
• Monitor, troubleshoot, and optimize performance issues across network layers.
• Collaborate with cross-functional teams to strengthen enterprise security posture.

Required Skills

• 10 to 12 years of professional experience in network security engineering.
• Strong hands-on expertise in Palo Alto Networks firewalls & Panorama.
• Proven experience in rule analysis, clean-up, and traffic analysis.
• Solid understandin

📌 Lead Network Administrator (Hyderabad)
🏢 OSI Digital
📍 Hyderabad