Network Security Engineer / Remote

Apetan Consulting LLC is seeking a Network Security Engineer who has a strong understanding of core networking and cybersecurity principles. The role involves configuring and troubleshooting network components, monitoring network performance, and providing technical support while assisting in the management of security appliances and incident response plans.

Responsibilities:

• Configure and troubleshoot VLANs, network segments, and routing protocols
• Monitor network performance and availability using network management tools
• Respond to and resolve network incidents, including connectivity issues, performance degradation, and security alerts
• Perform routine maintenance tasks such as firmware updates, configuration backups, and equipment replacement support
• Provide technical support to internal teams and external partners regarding network connectivity and performance
• Assist in the configuration and management of firewalls, intrusion detection and prevention systems (IDS/IPS), and other security appliances
• Configure and monitor SIEM platforms for security anomalies and escalate incidents according to established procedures
• Document network configurations, standard procedures, and operational guidance
• Support vulnerability scanning and remediation efforts
• Assist maturing the cybersecurity incident response plans

Requirements:

• Bachelor's degree in computer science, information technology, or a related field, or equivalent experience
• Strong understanding of TCP/IP, routing, switching, and network security principles
• Proficiency configuring and troubleshooting LANs, VLANs, trunks, spanning tree, IP subnetting, routing protocols, and wireless networking
• Proven experience in network administration and troubleshooting
• Ability to perform and analyze packet traces
• Proficiency with firewalls to configure and troubleshoot security rules, NAT, threat protection, and logging
• Experience with IDS/IPS and SIEM tools, security event triage, and escalation
• Excellent problem-solving and communication skills
• Display a strong grasp of key cybersecurity and IT concepts such as: Cloud Concepts: SaaS, IaaS, PaaS, hybrid, on premises; Cybersecurity Principles: defense in depth, least privilege, CIA triad; Cybersecurity Technology: NAC systems, next-generation firewalls, VPNs, micro segmentation, IAM, vulnerability management, encryption; IT principles: High availability, clustering, failover, single point of failure, dynamic routing, classification, tagging; Server and Compute: Client Server, virtualization, clustering, failover, backups, imaging
• A strong desire to learn and grow within the field of intelligent transportation systems
• Industry certifications such as CCNP, PCNSA, or similar are preferred
• Familiarity with network monitoring tools
• Familiarity with vulnerability scanning tools
• Data classification principles and enforcement
• Understanding of cybersecurity frameworks such as NIST CSF, CIS Critical Controls
• Experience supporting operational technology or critical infrastructure environments
• Experience working with distributed networks that support transportation, public sector, industrial, or field-based operations
• Familiarity with cybersecurity incident response and escalation procedures
• Experience balancing network security requirements with system availability and operational continuity
• Hands-on familiarity with modern network security monitoring, event analysis, and infrastructure documentation practices