Posted:16 hours ago|
Platform:
Remote
Full Time
Functional Description (FD) – Network Security Engineer (Level II)
Function Title: Network Security Engineer – Level II
Function Category: Network & Security Operations
Experience Level: Intermediate
Function Purpose: To ensure the integrity, confidentiality, and availability of enterprise networks by managing and securing firewall and intrusion prevention infrastructure.
This includes deployment, configuration, monitoring, and optimization of network security appliances such as Palo Alto Networks NGFW, Cisco ASA, and IPS/IDS platforms.
Key Functional Responsibilities:
1. Firewall Management: o Configure and manage Palo Alto Networks Next-Gen Firewalls via Panorama. o Administer Cisco ASA firewalls, including rule base updates, NAT configuration, and VPN setup (IPSec/SSL). o Apply firewall best practices to enforce segmentation and threat prevention.
2. Intrusion Prevention: o Operate and fine-tune IPS/IDS systems to detect and block malicious activity. o Analyze IPS logs and correlate with threat intelligence sources. o Work with SOC teams on incident triage and escalation.
3. Security Policy Enforcement: o Maintain and optimize security policies across platforms. o Review firewall and IPS rules regularly for cleanup and compliance. o Participate in change control processes for security configurations.
4. Troubleshooting & Support: o Act as L2 escalation point for network security issues. o Conduct root cause analysis of incidents related to firewall, VPN, or IPS systems. o Support after-hours maintenance or on-call duties as needed.
5. Documentation & Compliance: o Maintain configuration baselines, change logs, and security documentation.
o Ensure adherence to NIST, ISO 27001, or internal audit requirements.
Required Technical Skills: • Hands-on expertise in Palo Alto NGFWs (Pan-OS, Panorama). • Strong knowledge of Cisco ASA firewall CLI and ASDM. • Experience configuring and supporting VPNs (site-to-site, remote access). • Exposure to IPS technologies (e.g., Snort, Cisco Firepower, Palo Alto Threat Prevention). • Familiarity with networking protocols and troubleshooting (TCP/IP, DNS, HTTP/S, routing protocols). • Comfort with tools like Wireshark, Syslog servers, and firewall rule management tools.
Preferred Skills / Good to Have: • Working knowledge of Cisco Firepower/FTD. • Understanding of cloud firewalls (Azure NSG, AWS Security Groups, Palo Alto Prisma). • Scripting or automation skills (Python, Bash).
• Knowledge of Zero Trust models and microsegmentation. • Exposure to log management/SIEM tools like Splunk or Elastic
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