Network Security L3 Engineer with Zscaler

NationmindMinneapolis, MN
Onsite

About The Position

NationMind LLC is seeking a skilled Network Security L3 Engineer with Zscaler expertise to join their growing team. This role involves handling advanced network security incidents, implementing high-priority changes, and providing technical support for customer network designs. The engineer will also contribute to technology recommendations, analyze root cause analyses for major incidents, and manage capacity and performance of the network and security infrastructure. Collaboration with OEM vendors for patching and upgrades, leading technology refresh implementations, and driving operational excellence through automation and AIOps are key aspects of this position.

Requirements

  • 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
  • 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
  • 6-10 Years of experience
  • CCNA, CCNP, Palo Alto / Aruba / Zscaler Certifications

Nice To Haves

  • ZIA (Proxy)
  • ZPA (Zero Trust Access)
  • Panorama (Palo Alto)
  • WAF, DDOS, NDR part of scope (tool specifics depend on environment)

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
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