NETWORK SECURITY ENGINEER

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profile Job Location:

Orange, CA - USA

profile Monthly Salary: Not Disclosed
Posted on: 5 hours ago
Vacancies: 1 Vacancy

Job Summary

Job Summary

We are seeking a highly skilled Senior Network Security Engineer to join our team and play a key role in securing optimizing and transforming our enterprise network infrastructure. The ideal candidate will have deep expertise in firewall security NAT IPSEC SD-WAN routing protocols (EIGRP BGP OSPF) and cloud security solutions. This position will focus on managing and enhancing our security infrastructure which includes:

  • Cisco ASA Checkpoint Fortinet FortiGate Palo Alto Firewalls.
  • Radware for DDoS protection.
  • Zscaler ZIA/ZPA for cloud security.
  • SD-WAN for optimized global connectivity.
  • EIGRP BGP and OSPF-based network routing.
  • NAT policy design and implementation

A key initiative for this role is leading the migration from Checkpoint to Fortinet firewalls while ensuring seamless network security operations. Additionally the engineer will support and enhance our SD-WAN deployment for optimized global connectivity and application performance.

Key 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.
  • Ensure seamless integration between SD-WAN firewalls cloud security solutions and on-prem networks.
  • 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.
  • Work closely with the network engineering team to enhance SD-WAN inter-site and cloud connectivity.
  • 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 27001 standards.
  • Conduct regular security audits and risk assessments.
  • Maintain up-to-date documentation of firewall rules SD-WAN policies and security configurations.
  • 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.

Required Skills & Experience

  • 5-8 years of experience in network security engineering.
  • Expertise in Fortinet FortiGate Checkpoint Palo Alto and Cisco ASA firewalls.
  • Strong knowledge of SD-WAN solutions (Fortinet SD-WAN Cisco SD-WAN Prisma Access).
  • Experience configuring and troubleshooting EIGRP BGP and OSPF routing protocols.
  • Hands-on experience managing Zscaler ZIA/ZPA for cloud security.
  • Proficiency in VPN technologies (IPSec SSL GRE DMVPN L2TP) and their security implications.
  • Strong skills in NAT firewall rule optimization and routing table analysis.
  • Experience with Radware DDoS protection IPS/IDS and threat mitigation.
  • Knowledge of zero-trust security architectures and secure SD-WAN implementation.
  • Strong analytical skills for troubleshooting network security issues including packet captures and firewall logs.

Preferred Qualifications

  • Certifications: Fortinet NSE 4/7 Checkpoint CCSA/CCSE Palo Alto PCNSA/PCNSE Cisco CCNP Security Zscaler ZCCP SD-WAN certifications.
  • Experience with AWS Azure and GCP cloud security best practices.
  • Familiarity with SIEM solutions for security event monitoring.
  • Experience automating security tasks using Python Ansible or Terraform
Job Summary We are seeking a highly skilled Senior Network Security Engineer to join our team and play a key role in securing optimizing and transforming our enterprise network infrastructure. The ideal candidate will have deep expertise in firewall security NAT IPSEC SD-WAN routing protocols (EI...
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Key Skills

  • Network security
  • Protocols
  • ASA
  • Tcp/IP
  • Routers
  • Windows
  • Access Control
  • Information Security
  • Infrastructure
  • Linux
  • IOS
  • Servers
  • Troubleshoot
  • Intrusion Detection
  • Siem