Senior Network Security Engineer

Senior Network Security Engineer

Job Description

Job Description:
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

Job Requirements:
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
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 problem

VIVA is an equal opportunity employer. All qualified applicants have an equal opportunity for placement, and all employees have an equal opportunity to develop on the job. This means that VIVA will not discriminate against any employee or qualified applicant on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status