Role: Network Security Engineer – Cisco & EMS Infrastructure

Location: Allentown, NY (REMOTE)

Job Description:

• 11+ years of experience in Network Engineering, Network Security, and Infrastructure Support.
• Strong hands-on experience with Cisco switching, routing, and firewall technologies.
• Design, implement, and maintain IT and OT network infrastructure including LAN/WAN environments.
• Install, configure, and support EMS (Energy Management Systems) network equipment including Cisco switches, routers, and firewalls.
• Design and implement network solutions to improve performance, reliability, scalability, and security.
• Monitor and manage network traffic using SolarWinds, Wireshark, and other network diagnostic tools.
• Perform network troubleshooting, root cause analysis, and performance tuning across enterprise environments.
• Develop, implement, and optimize firewall rules to meet operational and compliance requirements.
• Implement network security policies including VPNs, access controls, and authentication mechanisms.
• Support and maintain RSA two-factor authentication systems, TACACS, and Cisco ISE solutions.
• Perform vulnerability assessments, patch management, and security hardening activities.
• Ensure compliance with NERC CIP and TSA security standards and regulatory requirements.
• Troubleshoot and resolve highly complex network issues across multiple platforms and environments.
• Maintain accurate network documentation including configurations, changes, troubleshooting procedures, and operational runbooks.
• Collaborate with cross-functional IT teams and business stakeholders for seamless integration and support.
• Participate in 24x7 on-call rotation and provide implementation, maintenance, and operational support.
• Strong understanding of network monitoring, diagnostics, and cognitive network operations.
• Exposure to 5G Wireless Networks is preferred.
• Excellent communication, documentation, and problem-solving skills.
• Ability to work independently in high-availability and mission-critical environments.