Network Security L3 Engineer with Zscaler

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 with Zscaler to join our growing team.

Role: Network Security L3 Engineer with Zscaler

Location: Minneapolis, MN (onsite)
 Duration: 12 months
 
 ITAR Requirement
 Exp: 6-10 Years
 
 Certifications:
 CCNA, CCNP, Palo Alto / Aruba / Zscaler Certifications
 
 Tools: Zscaler
 o ZIA (Proxy)
 o ZPA (Zero Trust Access)
 
 Firewall Management
 o Panorama (Palo Alto)
 
 WAF / DDOS / NDR
 o WAF, DDOS, NDR part of scope (tool specifics depend on 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 inputs to customer teams on technology recommendations and transformation initiatives
· Analyze RCA for major incidents and recurring issues to drive 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 network security landscape
· Drive operational excellence and continuous service improvement initiatives
· Enable automation and AIOps adoption in collaboration with L2 teams
 
Technical Skills / Competencies
· Strong hands-on experience in network security operations
· Knowledge of firewalls, proxies, VPN, and network access control
· Experience with Palo Alto, Aruba, Zscaler or similar technologies
· Strong troubleshooting and analytical skills for complex issues
· Experience in incident, problem, and change management
· Understanding of capacity planning and performance tuning
· Experience working with OEM vendors and third-party providers
· Exposure to automation and AIOps tools
 
Soft Skills
· Strong stakeholder communication and coordination skills
· Ability to drive RCA discussions and improvement initiatives
· Strong documentation and reporting capabilities
· Ability to work in a 24x7 support model if required