Network Security L3 Engineer

Role: Network Security L3 Engineer



Location: Minneapolis, MN (onsite)
Duration: 12 months (can extend)

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