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.