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 professional 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 understanding of network access control (802.1X, Cisco ISE).

- Valuable Understanding of static Routing and Dynamic Routing like BGP OSPF and EIGRP.

- Hands on exposureon Arista Spine-leaf architecture.

- Experience in data center migration and large-scale infrastructure projects.

- Deep knowledge of switch traffic paths, firewall integration, and network security design.

- Strong troubleshooting, analytical, and documentation skills..

Preferred Qualifications

- Palo Alto certifications (e.g., PCNSE, PCCSA, PCNSA).

- Cisco certifications (CCNA, CCNP Security, CCNP Enterprise).

- Experience with multi-vendor environments and security best practices.

We Are Not Looking For Someone Who Is

- Not interested to work from office.

- Not willing to work in a 24*7 shift roster.

- Who hasn’t supervised any Shift.

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