Location: Fully Remote

Work Arrangement: 100% remote

Contract Length: At least 1 year

Contract Rate: $29.30 per hour in USD. Final rate will be determined based on relevant experience and overall fit for the position.

NTT DATA is seeking a highly skilled Senior Network Security Engineer to help secure, optimize, and transform an enterprise network environment. This role will lead a key migration from Check Point to Fortinet firewalls while maintaining secure, reliable connectivity across corporate, cloud, branch, and remote environments. The engineer will also support and enhance SD-WAN, routing, cloud security, DDoS protection, and network automation capabilities.

Responsibilities:
- Lead the migration from Check Point to Fortinet, including policy conversion, rule optimization, testing, and traffic validation.
- Manage and maintain Cisco ASA, Palo Alto, Fortinet FortiGate, and Check Point firewalls across corporate, cloud, and remote sites.
- Design and optimize firewall rule sets to improve security, performance, and compliance.
- Perform network security risk assessments,



firewall audits, and configuration reviews.
- Manage and optimize SD-WAN architecture to improve application performance, resilience, and latency.
- Implement policy-based traffic steering, failover mechanisms, and WAN optimization.
- Integrate SD-WAN with firewalls, cloud security solutions, branch locations, and on-premises networks.
- Troubleshoot SD-WAN performance issues, routing conflicts, and connectivity problems.
- Design and implement static NAT, dynamic NAT, and Port Address Translation (PAT) policies.
- Configure and troubleshoot EIGRP, BGP, and OSPF for enterprise and cloud routing.
- Optimize routing policies for high availability, redundancy, and performance.
- Administer and optimize Zscaler ZIA and ZPA for secure cloud access and web filtering.
- Implement zero-trust security policies for cloud applications and remote users.
- Troubleshoot Zscaler tunnels, proxy configurat

📌 Security Network Engineer (Ciudad de México)
🏢 Ntt Data
📍 Ciudad de México