Network Security Engineer

Network Security Engineer

Location: Philadelphia, PA
Job Type: Long-Term Contract
Work Setting: Onsite


Project Overview

We are supporting a large-scale airport technology environment that requires skilled IT professionals to help maintain, enhance, and support critical computer and information systems across multiple airport facilities. These long-term contract opportunities involve working within a complex, mission-critical infrastructure that supports airport operations, security, communications, and enterprise technology services. Successful candidates will play a key role in ensuring the reliability, performance, and continuous improvement of IT systems in a dynamic operational environment.

Responsibilities

• Configure, review, and optimize firewalls, VPNs, and network security appliances.
• Monitor, analyze, and respond to security events, intrusion alerts, and network-based threats.
• Support incident response activities including containment, root-cause analysis, and remediation efforts.
• Review and enhance network security policies, access controls, and segmentation strategies.
• Assess security risks associated with network designs, infrastructure projects, and configuration changes.
• Provide guidance on secure connectivity solutions, remote access technologies, and encryption standards.
• Conduct security posture assessments and recommend improvements to strengthen defenses.
• Coordinate with cybersecurity teams, network engineers, and vendors during security-related incidents.
• Provide specialized network security expertise on an as-needed basis.

Requirements

• 7-10 years of experience in network security engineering within enterprise or mission-critical environments.
• Strong knowledge of firewalls, VPN technologies, IDS/IPS solutions, and network access control systems.
• Experience managing security platforms such as Palo Alto, Cisco ASA/Firepower, Fortinet, or similar technologies.
• Strong understanding of network protocols, segmentation strategies, Zero Trust principles, and secure architecture design.
• Experience supporting incident response, threat mitigation, and security investigations.
• Ability to assess security risks, analyze security logs, and recommend effective remediation strategies.
• Strong communication skills with the ability to explain technical security concepts to diverse audiences.
• Certifications such as CISSP, PCNSE, CEH, GSEC, or equivalent are preferred.