Network Security Engineer II

Job Description: Network Security Engineer II

Job Summary

We are seeking a Network Security Engineer II to join our infrastructure team. This role requires experience in the security space for someone who can seamlessly navigate traditional hardware, software-defined networking, and advanced load-balancing solutions.

You will be the primary administrator for our high-availability security stack, with a specific focus on Cisco (ASA/Firepower/ISE), Palo Alto, F5 BIG-IP, and VMware NSX.

Key Responsibilities

Multi-Vendor Firewall Management: Lead the migration, configuration, and maintenance of Cisco ASA (Classic) and Firepower (FTD) systems, while managing a robust Palo Alto environment via Panorama.

Application Delivery & Security: Design and manage F5 BIG-IP solutions, focusing on LTM (Local Traffic Manager) for load balancing and ASM/WAF (Application Security Manager) for protecting web applications.

Software-Defined Networking (SDN): Implement and manage micro-segmentation policies and virtualized security services within VMware NSX (T/V) environments.

Legacy to Next-Gen Migration: Architect strategies to transition legacy Cisco ASA rulesets to Cisco Firepower or Palo Alto NGFWs without service disruption.

Tier 3 Support: Act as the highest escalation point for complex network outages, security breaches, or performance degradation across the global fabric.

Provide exceptional customer support via phone and ticketing systems.

Own level-appropriate customer requests and issues, seeing them through to resolution.

Handle support escalations from other engineers and teams as per escalation procedures.

Collaborate with Service Delivery Managers and Account Executives to build strong customer relationships.

Work closely with customers during the pre-implementation phase to design and architect solutions.

Coordinate with implementation teams to quality-check deployments and perform initial vulnerability assessments.

Research, plan, and coordinate complex maintenance activities.

Participate in Root Cause Analysis (RCA) exercises to drive process and technology improvements.

Share knowledge with other administrators and engineers via documentation and training sessions.

Contribute to the development of technical best practices.

Prepare and review policy and process standards.

Communicate effectively (verbal and written) with customers and internal stakeholders, including presentations.

Be available for flexible working hours (24x7x365 coverage, including weekends and holidays).

Technical Skills & Qualifications

Security & Networking Stack

Cisco Specialist: Advanced knowledge of Cisco ASA (CLI/ASDM) and Firepower Threat Defense (FTD) managed via FMC.

Palo Alto Expert: Deep experience with Palo Alto NGFW features (App