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Hallmark Global Technologies Inc
New York, NY, USA
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Key Responsibilities
Project & Transformation
· Lead delivery of network security and infrastructure projects, including firewall migrations, platform upgrades, and data center / cloud transformations.
· Design and implement secure hybrid and cloud network architectures for AWS and Azure, including firewall integration and secure connectivity.
· Support application onboarding across on‑prem and cloud environments using Check Point, Palo Alto, F5 LTM, and Infoblox.
· Design and deploy F5 BIG‑IP LTM solutions for new applications, including virtual servers, pools, monitors, SSL offloading, and HA configurations.
· Plan and implement Infoblox DDI (DNS, DHCP, IPAM) solutions for new environments, cloud migrations, and network expansions.
· Perform Infoblox network discovery and DDM activities to ensure accurate IP data during migrations and transformations.
· Participate in solution design reviews, proof‑of‑concepts, customer discussions, and transition from project to operations.
· Drive standardization, automation, security hardening, and platform optimization across client environments.
Operations & Lifecycle
· Provide L3 operational support for enterprise network security platforms in a global, multi‑vendor environment.
· Manage and troubleshoot Check Point and Palo Alto firewall policies, NAT, routing, VPNs (site‑to‑site and remote access), and SSL inspection.
· Administer and support Infoblox DDI/DDM:
o DNS zones, DHCP scopes, and IPAM lifecycle
o Network discovery, IP reconciliation, and rogue device detection
o IP data cleanup, audits, and ongoing lifecycle management
· Support F5 BIG‑IP LTM operations, including:
o L3/L4 troubleshooting for application connectivity issues
o SSL certificate management and renewals
o Pool/member monitoring and performance optimization
· Execute change management activities including impact analysis, implementation, validation, and rollback planning.
· Handle incident response, root cause analysis, and problem management following ITIL processes.
· Perform policy reviews, rule optimization, compliance checks, and security audits.
· Participate in on‑call rotations, upgrade activities, and major incident bridges.
· Provide technical guidance and mentoring to junior engineers within the TCS delivery model
Any Gradute
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