Senior Network Security Engineer

Our Client, an Energy Services company, is looking for a Senior Network Security Engineer for their Orange, CT location.

Responsibilities :

• Lead the migration from Checkpoint to Fortinet, including policy conversion, rule optimization, and traffic validation.
• Manage and maintain Cisco ASA, Palo Alto, Fortinet, and Checkpoint firewalls across corporate, cloud, and remote sites.
• Design and optimize firewall rule sets for improved security, performance, and compliance.
• Perform risk assessments and firewall audits to ensure network security best practices.
• Manage and optimize SD-WAN architecture to improve application performance and reduce latency.
• Implement policy-based traffic steering, failover mechanisms, and WAN optimization.
• Troubleshoot SD-WAN performance issues, routing conflicts, and connectivity problems.
• Work with network and security engineers to ensure secure connectivity between on-premises, branch locations, and cloud.
• Design and implement NAT policies, including static NAT, dynamic NAT, and PAT (Port Address Translation).
• Configure and troubleshoot EIGRP, BGP, and OSPF for enterprise and cloud routing.
• Optimize routing policies to ensure high availability, redundancy, and performance.
• Administer and optimize Zscaler ZIA / ZPA solutions for secure cloud access and web filtering.
• Implement zero-trust security policies for cloud applications and remote users.
• Troubleshoot Zscaler tunnels, proxy configurations, and application access issues.
• Implement and maintain Radware DDoS protection to safeguard network infrastructure from volumetric and application-layer attacks.
• Configure IPS / IDS solutions to detect and mitigate security threats.
• Work with SOC teams to analyze and respond to security incidents.
• Lead firewall, SD-WAN, NAT, and routing issue troubleshooting affecting business-critical applications.
• Perform packet capture analysis and use security logs to diagnose network issues.
• Work with vendors (Cisco, Fortinet, Palo Alto, Zscaler) to resolve complex technical issues.
• Develop and enforce firewall and network security policies in compliance with NIST, CIS benchmarks, and ISO standards.
• Develop scripts (Python, Bash, PowerShell) for automating firewall audits and SD-WAN policy updates.
• Optimize firewall and SD-WAN policies to reduce latency and improve efficiency.
• Implement network automation frameworks to streamline security operations

Requirements :

Why Should You Apply?