Network Security Engineer
Role Overview
Design, implement, and maintain security for organizational network infrastructure.
Secure routers, switches, firewalls, VPNs, and other devices while maintaining resilience, performance, and compliance.
Monitor network activity, manage perimeter defenses, and enforce network security policies.
Key Skills for This Role
Full Job Posting
Position summary
Design, implement, and maintain security for organizational network infrastructure.
Secure routers, switches, firewalls, VPNs, and other devices while maintaining resilience, performance, and compliance.
Monitor network activity, manage perimeter defenses, and enforce network security policies.
Key responsibilities
- Design secure LAN, WAN, and DMZ architectures; configure, harden, and maintain network devices.
- Manage enterprise firewall rules and access policies, and secure VPN connectivity for site-to-site and remote access.
- Implement and optimize IDS/IPS and network access control; monitor traffic and investigate anomalies and threats.
- Respond to incidents and operational issues with SOC, infrastructure, and IT teams, including investigations and remediation.
- Use segmentation, VLANs, ACLs, RADIUS, and TACACS+ to enforce least privilege and identity-based access.
- Maintain secure configurations, firmware, and network documentation; conduct assessments and support compliance and improvement initiatives.
Education and experience
- Bachelor’s degree in Computer Science, IT, Network Engineering, Cybersecurity, or a related field.
- At least 5 years of hands-on network engineering and network security experience.
- Experience securing enterprise environments, perimeter technologies, routing, switching, firewalls, VPNs, segmentation, traffic analysis, troubleshooting, and threat detection.
- Experience in compliance-driven or security-sensitive environments is preferred.
Technical skills and certifications
- Know TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, and NAT; work with Cisco, Fortinet, Palo Alto, or Check Point platforms.
- Hands-on VPN, IDS/IPS, NAC, packet capture, traffic analysis, and network monitoring experience.
- Understand zero-trust principles, secure configuration baselines, and controls aligned with PCI-DSS, ISO 27001, and NIST.
- CCNP, Cisco Security, Fortinet NSE, Palo Alto PCNSA/PCNSE, CompTIA Security+, or equivalent certifications are preferred.
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