Network Security Engineer

Job Title: Senior Network Security Engineer

Job Location: Orange, CT

Project Duration: 6-12 months with possible extension

UPDATE on 16th Dec - Best Pay rate

(W2 Position)

JOB DESCRIPTION

Duties

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

Skills

• 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

problems.