Network Security Engineer

Role : Network Security Engineer (CCIE Security)

Company: Stealth Startup (Managed Services – SMB & Enterprise)

Location: Hyderabad, India

Employment Type: Full-time

Experience: 8–14 years

Industry Preference: Datacenter / Colocation / Managed Services

About the Role We are seeking a highly skilled

Network Security Engineer with a mandatory

CCIE Security certification to support and secure large-scale datacenter network environments. The ideal candidate will bring strong hands-on expertise in enterprise firewall technologies, secure network architecture, threat mitigation, and 24×7 datacenter operations. This role is based in

Hyderabad and requires prior experience working in

datacenter or managed services environments .

Key Responsibilities Network Security Operations

• Implement, configure, and manage enterprise-grade firewall and security solutions
• Administer and troubleshoot Cisco ASA, FTD, Firepower, and other enterprise security platforms
• Manage IDS/IPS, VPN, remote access, and perimeter security controls
• Support secure segmentation, zoning, and micro-segmentation strategies Datacenter Network Security
• Secure core, distribution, and edge network layers in high-availability datacenter environments
• Implement and support routing protocols including BGP and OSPF
• Configure and manage load balancers and network security appliances
• Ensure high availability and redundancy across security infrastructure Incident Response and Troubleshooting
• Lead resolution of critical security incidents within defined SLAs
• Perform deep packet analysis and root cause troubleshooting
• Support security investigations and remediation efforts Change and Compliance Management
• Execute change management processes including planning, validation, deployment, and documentation
• Ensure adherence to internal security policies, audit requirements, and compliance frameworks
• Maintain accurate network diagrams and configuration repositories Monitoring and Optimization
• Monitor security devices and network performance using enterprise monitoring tools
• Optimize firewall policies, routing configurations, and security controls
• Participate in capacity planning and proactive risk mitigation initiatives

Required Skills and Experience

• Mandatory active

CCIE Security certification

• 8–14 years of experience in enterprise networking and security
• Strong hands-on experience in

datacenter networking environments

• Deep expertise in Cisco security technologies including ASA, FTD, Firepower
• Strong knowledge of routing and switching protocols (BGP, OSPF, VLANs, MPLS)
• Experience with firewalls such as Palo Alto or Fortinet is an advantage
• Hands-on experience with VPNs, IPSec, SSL VPN, IDS/IPS, and network segmentation
• Strong troubleshooting skills in complex network topologies

Preferred Background

• Experience working in

Datacenter, Colocation, or Managed Services industry

• Exposure to Nexus switches, ACI fabric, and high-availability architectures
• Familiarity with ITIL-based operations and ticketing systems
• Cloud networking exposure (AWS or Azure) is a plus

Qualifications

• Bachelor’s degree in Computer Science, IT, Electronics, or related field
• CCIE Security certification (mandatory)

Why Join

• Work on mission-critical datacenter environments
• Exposure to enterprise and large-scale customer infrastructures
• High-ownership technical role in a growing managed services organization
• Competitive compensation aligned with certification and experience