About NationMind LLC: NationMind LLC is a technology consulting firm focused on software development and QA testing services. We help clients build reliable, scalable applications with a strong emphasis on automation, performance, and quality. Our team works across industries, delivering solutions that drive innovation and operational efficiency. We are currently hiring skilled professionals for Network Security L3 Engineer to join our growing team.

Network Security L3 Engineer

Location: Minneapolis, MN

Duration: 12 Months

Experience: 6–10 Years

Certifications

CCNA

CCNP

Palo Alto

Aruba

Zscaler Certifications

Required Technologies

Zscaler

ZIA (Proxy)

ZPA (Zero Trust Access)

Firewall

Palo Alto Panorama

Security

WAF

DDOS

NDR (Specific tools depend on the customer environment.)

Roles & Responsibilities

Handle advanced ticketing for network security incidents.

Implement high-priority change requests and advanced service requests.

Provide technical support for customer network design and new business queries.

Provide customer technology recommendations and transformation initiatives.

Analyze RCA for major incidents and recurring issues to drive permanent resolution.

Perform capacity and performance management across network and security infrastructure.

Work with OEM vendors for software patching, upgrades, and technology refresh initiatives.

Lead execution of technology refresh implementation across the network security landscape.

Drive operational excellence and continuous service improvement initiatives.

Enable automation and AIOps adoption in collaboration with L2 teams.