Security Network Engineer

Description

We are looking for a Security Network Engineer to join a banking technology environment in Malvern, Pennsylvania on a contract-to-permanent basis. This role focuses on strengthening enterprise network defenses, safeguarding connectivity across multiple locations, and advancing secure access standards throughout the organization. The ideal candidate brings strong practical experience with Palo Alto and Cisco security platforms and is comfortable partnering with cross-functional teams to improve network protection and reliability.

Responsibilities:
Build, configure, and support Palo Alto next-generation firewall solutions across enterprise and branch environments, including policy management and advanced security services.
Oversee Cisco firewall platforms by maintaining rule sets, managing threat protection features, and performing upgrades and patching activities.
Maintain secure remote connectivity through VPN technologies, including remote access and site-to-site tunnels, to support users and distributed offices.
Help secure the SD-WAN environment by enforcing segmentation controls, applying security standards, and protecting encrypted traffic flows.
Administer DNS-layer and web security controls, including policy tuning, threat visibility, and reporting for enterprise-wide protection.
Investigate network security events, analyze suspicious activity, and contribute to incident response efforts related to perimeter and transport-layer threats.
Lead change activity for network security updates with proper documentation, approvals, implementation planning, and post-change validation.
Partner with security, cloud, and infrastructure teams to enhance segmentation strategies, zero-trust initiatives, and overall network architecture.
Produce and maintain accurate technical documentation, including standards, runbooks, diagrams, and operational procedures for security platforms.

Requirements

At least 5 years of hands-on experience in network security engineering or a closely related infrastructure security role.
Strong working knowledge of Palo Alto Networks firewalls in enterprise environments.
Experience supporting Cisco security technologies such as routers, ASA, ISE, and related firewall platforms.
Practical understanding of VPN connectivity, remote access solutions, and site-to-site secure communications.
Familiarity with network segmentation, zero-trust concepts, and security policy enforcement across distributed environments.
Ability to troubleshoot complex network security issues and respond effectively to incidents.
Strong documentation, communication, and collaboration skills when working across technical teams and stakeholders.

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