Network Security Engineer - Palo Alto & Data Centre Migration

We are seeking an experienced Network Security Engineer to support enterprise firewall operations and large-scale data center migration initiatives. The role will focus on Palo Alto firewall administration, policy implementation, troubleshooting, migration planning, and post-migration stabilization activities across enterprise environments. The ideal candidate will have strong hands-on experience with Palo Alto technologies and proven experience supporting data center migration programs, along with foundational exposure to Zscaler.

Key Responsibilities

• Configure, implement, and troubleshoot Palo Alto Networks firewalls in enterprise environments.
• Create, modify, and optimize security policies, NAT policies, and application-based controls.
• Perform firewall rule reviews and risk assessments to ensure compliance with security standards.
• Troubleshoot network connectivity, application access, routing, NAT, and firewall policy issues.
• Support firewall lifecycle management, upgrades, and migration activities.
• Analyze firewall logs and traffic flows to identify and resolve security and operational issues.
• Execute firewall and network security changes through established change management processes.
• Develop implementation plans, validation procedures, and rollback strategies for production changes.
• Participate in maintenance windows for planned implementations and migration activities.
• Document configurations, procedures, and operational runbooks.
• Support enterprise data center migration and consolidation initiatives.
• Analyze existing firewall policies and network dependencies prior to migration activities.
• Migrate and validate firewall policies, NAT configurations, and network security controls between legacy and target environments.
• Coordinate migration activities with infrastructure, network, server, and application teams.
• Support application cutovers, connectivity validation, and post-migration stabilization activities.
• Assist with IP address transitions, network re-segmentation, and security policy migration efforts.
• Provide support for Zscaler-related access requirements and connectivity troubleshooting during migration projects.

Required Skills

Proficient

• Palo Alto
• Data Center Migration

Basic

• Zscaler

Required Qualifications

• 5+ years of experience administering Palo Alto Networks firewalls in enterprise environments.
• Strong experience in firewall policy implementation, NAT configuration, troubleshooting, and operational support.
• Experience implementing and supporting firewall changes in production environments.
• Experience troubleshooting Layer 3 through Layer 7 network and security issues.
• Experience supporting enterprise data center migration projects.
• Knowledge of TCP/IP networking, routing, switching, DNS, load balancing, and network security architecture.
• Experience following formal change management and operational processes.
• Strong documentation and communication skills.

At UST, you will work on complex enterprise-scale technology transformations, security modernization programs, and critical infrastructure initiatives. UST provides opportunities to collaborate with global teams, contribute to innovative digital transformation projects, and continuously grow your technical expertise through challenging engagements and learning opportunities.