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Pejman Momtaz

@pejmanmomtaz

Network Security Engineer at Leidos Corporation maintaining 150+ Palo Alto firewalls with 99.99% network security uptime.

United States

Message

At Leidos Corporation, I engineer and maintain 150+ Palo Alto Networks firewalls across a distributed government-contract enterprise, achieving 99.99% network security uptime. I also migrated legacy Juniper firewall infrastructure to modernized Palo Alto architectures through Panorama.

At NSC Global, I executed network infrastructure work for a global AT&T-managed contract and migrated Cisco ASA policies to Palo Alto and Cisco Firepower environments. I also designed and deployed a centralized Cisco client-based VPN framework for secure remote access.

At Western Digital Corporation, I helped design and deploy network infrastructure for a new global corporate campus serving 15,000+ employees. My work included Cisco switching fabrics, AWS infrastructure, perimeter defenses, and global WAN connectivity.

Experience

Work history, roles, and key accomplishments

Current

Network Security Engineer

Current

Leidos Corporation

Aug 2020 - Present (6 years 2 months)

Engineered and maintained 150+ Palo Alto Networks NGFW appliances across a distributed government-contract enterprise, achieving 99.99% network security uptime. Orchestrated full-lifecycle migrations of legacy Juniper firewall infrastructures to modernized Palo Alto architectures via Panorama.

Palo Alto Networks PAN OS Panorama Global Protect VPN App ID URL Filtering Splunk ServiceNow Change Advisory Board NIST Firewall Migration VPN Zero Day Mitigation

Network Project Engineer

NSC Global

Jul 2018 - Jan 2023 (4 years 6 months)

Managed backbone and core network infrastructure for a global AT&T-managed contract, ensuring stable connectivity across distributed international corporate sites. Executed forklift hardware upgrades and migrated multi-context Cisco ASA firewall rules to Palo Alto and Cisco Firepower NGFW environments.

Cisco ASA Palo Alto Networks Cisco Firepower VPN Capacity Planning network design AT&T Core Network Distribution Layer

Network Security Engineer

Agile Network Technology

Mar 2016 - May 2018 (2 years 2 months)

Provisioned and audited 15 Palo Alto Networks firewalls using centralized Panorama management for rule orchestration and object synchronization. Transitioned 20+ legacy Juniper SSG firewalls to centralized NSM environments and implemented Multi-Vsys virtual systems for network segmentation.

Palo Alto Networks Panorama Juniper SSG 20 NSM Multi Vsys NIST URL Filtering IP Blacklisting

Network Engineer

Western Digital Corporation

Jun 2008 - Nov 2015 (7 years 5 months)

Spearheaded network infrastructure design and deployment for a new global corporate campus serving 15,000+ employees. Provisioned Cisco Catalyst and Nexus switching fabrics, deployed AWS cloud infrastructure, and integrated edge perimeter defense with ASA routers and Tipping Point IPS.