Network Security Engineer

Overview

Design, implement, maintain and improve security controls across enterprise network environments, protecting connectivity through firewalls, secure remote access, network segmentation and threat prevention while maintaining reliable access to business services.

What you'll do

• Configure, administer and troubleshoot firewalls, security policies, NAT, and intrusion detection and prevention controls.
• Implement and maintain network segmentation and access controls across internal, perimeter and remote-access environments.
• Support site-to-site and remote-access VPN services, including secure configuration, authentication integration and end-to-end connectivity troubleshooting at enterprise scale.
• Review firewall and network access requests, validate business requirements, assess risk, and remove obsolete or overly permissive rules.
• Partner with security operations during investigations, analyze packet captures and device logs, and implement approved containment and recovery measures.
• Harden network security devices, coordinate patching and firmware upgrades, remediate vulnerabilities, and automate repeatable configuration checks with appropriate review and safeguards.

What you'll need

• Bachelor's degree in Computer Science, Information Technology, or Cybersecurity.
• 7+ years of hands-on experience implementing and supporting network security controls in production enterprise environments.
• Demonstrated expertise in TCP/IP, subnetting, routing, switching, DNS, and Network Address Translation across production enterprise environments.
• Hands-on experience configuring and administering enterprise firewalls, VPN services (site-to-site and remote access), network segmentation, and intrusion detection/prevention technologies.
• Demonstrated proficiency in diagnosing connectivity and security incidents through packet capture analysis (e.g., Wireshark) and security device log investigation.

Nice to have

• Hands-on experience securing cloud or hybrid network environments (e.g., AWS, Azure, or GCP).
• Applied experience implementing zero-trust architecture principles and network access control (NAC) solutions in enterprise environments.
• Experience automating network security tasks using scripting languages (e.g., Python, Bash) or infrastructure-as-code tools (e.g., Terraform, Ansible).
• Experience supporting highly available network security services, including disaster recovery planning and recovery testing.
• Active certification in one or more of the following: CCNA Security, CCNP Security, CompTIA Security+, Palo Alto PCNSE, or Fortinet NSE.
• Experience contributing to security audits, control validation activities, and audit evidence collection.

Details

• Location: Hyderabad, Telangana.