Network Security Consultant

Role: Network Security Consultant (L3)

Location: US Onsite (Client Location- Dearborn, Michigan)

Experience Range: 10–14 years (preferred)

Expectation from Stakeholders

⦁ Share relevant profiles with hands-on L3 experience in the above technologies

⦁ Candidates should be comfortable with client-facing roles and onsite engagement

⦁ Preference for immediate joiners or short notice period

Role Summary

We are looking for a highly skilled professional responsible for designing, implementing, troubleshooting, and optimizing enterprise network security solutions. The role requires deep expertise in firewalls, secure access technologies, proxy/security platforms, and incident management, supporting critical client infrastructure.

Key Technical Requirements

Network Security & Firewall Platforms

⦁ Cisco ASA (CSM), Cisco FTD (FMC)

⦁ Palo Alto Firewalls (Strata Cloud Manager)

⦁ Prisma Access

⦁ Zscaler (ZIA & ZPA)

⦁ Cisco Umbrella & WSA Proxy

VPN & Secure Access

⦁ GlobalProtect VPN

⦁ IPSEC / SSL VPN

Proxy & Security Technologies

⦁ URL filtering, SSL/TLS decryption

⦁ Proxy bypass, PAC file management

⦁ DNS security (Umbrella)

⦁ O365 and cloud proxy integrations

Network Infrastructure

⦁ Routing: BGP, OSPF

⦁ Switching: VLANs, STP, EtherChannel

⦁ Devices: Cisco ASR/ISR Routers, Nexus 9K

Core Responsibilities

⦁ Provide L3 support and act as SME for network security technologies

⦁ Manage and troubleshoot firewalls, VPN, proxy, and cloud security platforms

⦁ Handle P1/P2 incidents, RCA, and problem management

⦁ Execute changes aligned with ITIL processes

⦁ Manage and optimize Cisco WSA (proxy) including:

⦁ URL filtering, access control, HTTPS decryption

⦁ Malware protection and policy configuration

⦁ Perform firmware upgrades, patches, and maintenance activities

⦁ Analyze logs, packet captures, and security alerts

⦁ Collaborate with SOC, TAC, and cross-functional teams

⦁ Maintain documentation, SOPs, and configurations

⦁ Participate in client calls and technical discussions

Preferred Skills

⦁ Certifications such as CCNP Security, PCNSE, Zscaler certifications

⦁ Exposure to email security (ESA) is an added advantage

⦁ Experience with automation/optimization initiatives