Network Security L3 Engineer

NATIONMIND LLC; Minneapolis (MN); On-site; USD 110,000 - 160,000; Full time

Job summary

NationMind LLC in Minneapolis, MN is seeking a Network Security L3 Engineer for a 12-month engagement. The role requires 6–10 years of experience and relevant certifications, with focus on Zscaler and Palo Alto technologies.

You will handle advanced security incidents, support customer network design, and drive automation initiatives in collaboration with L2 teams. This position is on-site and demands strong technical leadership.

Qualifications

• 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.

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.
• 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.

Skills

Network security

Incident response

Automation

AIOps

Capacity planning

Education

CCNA

CCNP

Palo Alto Certification

Aruba Certification

Zscaler Certification

Tools

ZIA

ZPA

Palo Alto Panorama

WAF

NDR

Job description

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.