Network Security Engineer

OSI Digital, Inc.; Hyderabad; On-site; INR 3,000,000 - 4,200,000; Full time

Job summary

OSI Digital, Inc. in Hyderabad is seeking a Lead Network & Security Engineer with 10-13 years of experience. You will design, implement, and manage security infrastructure for enterprise networks.

The role emphasizes Palo Alto Networks firewalls, Panorama, NAC with 802.1X, Cisco ISE, and data center migrations. You will lead security operations, optimize policies, and collaborate with cross-functional teams to strengthen enterprise security.

Qualifications

• 10-13 years of professional experience in network security engineering.
• Hands-on expertise in Palo Alto Networks firewalls & Panorama.
• Strong experience with rule analysis and traffic analysis.
• Solid understanding of 802.1X and Cisco ISE for NAC.

Responsibilities

• Manage, configure, and optimize Palo Alto firewalls and Panorama.
• Analyze network traffic and firewall rules to ensure security and compliance.
• Review, audit, and optimize security policies and access rules.
• Implement NAC with 802.1X and Cisco ISE integration.
• Lead data center migration projects with minimal downtime and smooth cutover.
• Provide end-to-end analysis of network and security flows and troubleshoot performance issues.

Skills

Network security engineering

Palo Alto firewalls

Rule analysis

Traffic analysis

802.1X

Cisco ISE

Routing (BGP/OSPF/EIGRP)

Arista Spine-leaf

Data center migration

Security design

Job description

Job Title: Lead Network & Security Engineer

Experience Required: 10-13 Years

Location: Hyderabad

Male Candidates Only

Mandatory Work from Office

Rotational Shift

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 13 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).
• Good 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 hasnt supervised any Shift.