Network Engineer
Apptad
Job Role: Network Engineer
Location: Lake Zurich , IL (Onsite)
Key Responsibilities
1. Firewall & Security Operations
Firewall & Security
Location: Lake Zurich , IL (Onsite)
Key Responsibilities
1. Firewall & Security Operations
- Configure, manage, and support Fortinet FortiGate and Palo Alto NGFW platforms
- Implement and manage firewall policies, NAT rules, VPNs (IPSec/SSL)
- Perform rule optimization, cleanup, and policy governance aligned with security standards
- Monitor network traffic, identify anomalies, and mitigate security threats
- Design and deploy secure network architectures and firewall solutions
- Configure HA setups, SD-WAN, routing, and logging integrations
- Support firewall migrations (Fortinet Palo Alto) and technology upgrades
- Perform L2/L3 troubleshooting of network and security incidents
- Conduct root cause analysis (RCA) and implement corrective actions
- Respond to security alerts and coordinate incident remediation
- Monitor and maintain network performance, availability, and security posture
- Support vulnerability assessments and remediation activities
- Ensure compliance with security policies, audits, and governance frameworks
- Handle change requests, upgrades, and patch management
- Maintain updated network diagrams, SOPs, and configuration documentation
- Participate in CAB meetings and provide technical inputs
- Work with cross-functional teams (network, cloud, SOC, infra)
- Provide technical guidance and act as SME for firewall/security technologies
- Support audits and compliance requirements
Firewall & Security
- Fortinet FortiGate (Policies, VPN, SD-WAN, HA, FortiManager/FortiAnalyzer)
- Palo Alto Networks (NGFW, Panorama, App-ID, User-ID, NAT policies)
- IDS/IPS, VPN, SIEM, security monitoring tools
- Strong understanding of TCP/IP, VLANs, DNS, NAT, SSL/TLS
- Routing protocols: BGP, OSPF, EIGRP
- Switching concepts (VLAN, STP, trunking)
- Experience with Panorama, FortiManager, FortiAnalyzer
- Knowledge of cloud security (Azure/AWS) - preferred
- Familiarity with load balancers, WAF, SD-WAN
- Bachelor's degree in Computer Science / IT / related field
- 6-10+ years of experience in network security and firewall management
- Strong hands-on experience with Fortinet & Palo Alto platforms
- Fortinet NSE (NSE4 / NSE7)
- Palo Alto PCNSE / PCNSA
- CCNA/CCNP Security, CISSP (good to have)
Vacancy posted 4 days ago
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