Network Security Engineer( Zscaler Engineer)

Job Title: Network Security Engineer (Zscaler Engineer)

Location: Chattanooga, TN 37402

Mode: Contract Onsite

Job Description

Experienced Network Security (Firewall)/ Zscaler Administrator

Assist with design, development and maintenance of the computer and network infrastructure.

Typically, should have at least 7-9 years experience and professional degree, In-depth Experience in Network Security Technology architecture design, evaluation, deployment or support that addresses one or more of the following security areas,

Firewalls (Palo Alto)

VPN

Authentication

Encryption

Vulnerability assessment

Penetration Analysis

Intrusion Detection

FI Load Balancer

Juniper SRX

Expert in Supporting Checkpoint / Solaris firewalls in a high-availability enterprise environment

Strong checkpoint, Solaris and Cisco network skills

Key Responsibilities:

• Design, deploy, configure, and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions across the enterprise.
• Integrate Zscaler solutions with existing network and security infrastructure (e.g., firewalls, proxies, VPNs, SD-WAN).
• Work with stakeholders to define secure access policies and implement zero trust network access (ZTNA) models.
• Monitor and optimize Zscaler platform performance and troubleshoot connectivity issues.
• Collaborate with IT, security, and compliance teams to ensure policy alignment and secure user access.
• Provide tier-3 support and guidance on Zscaler issues and incidents.
• Create and maintain documentation for Zscaler configurations, architecture, and operational procedures.
• Stay current with Zscaler product updates, security trends, and emerging technologies.

Required Qualifications:

• 8 + years of experience working with Zscaler technologies (ZIA, ZPA).
• Strong understanding of networking (TCP/IP, DNS, HTTP/HTTPS, VPN, routing).
• Hands-on experience with cloud-based security platforms and SASE architecture.
• Familiarity with identity providers (e.g., Azure AD, Okta) and integration with Zscaler.
• Solid experience in enterprise network security and troubleshooting.
• Strong documentation and communication skills.