Network Engineer

Apptad

Job Role: Network Engineer

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

2. Design & Implementation

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

3. Incident Management & Troubleshooting

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

4. Network & Security Monitoring

Monitor and maintain network performance, availability, and security posture
Support vulnerability assessments and remediation activities
Ensure compliance with security policies, audits, and governance frameworks

5. Change Management & Documentation

Handle change requests, upgrades, and patch management
Maintain updated network diagrams, SOPs, and configuration documentation
Participate in CAB meetings and provide technical inputs

6. Collaboration & Stakeholder Management

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

Technical Skills Required

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

Networking

Strong understanding of TCP/IP, VLANs, DNS, NAT, SSL/TLS
Routing protocols: BGP, OSPF, EIGRP
Switching concepts (VLAN, STP, trunking)

Tools & Platforms

Experience with Panorama, FortiManager, FortiAnalyzer
Knowledge of cloud security (Azure/AWS) - preferred
Familiarity with load balancers, WAF, SD-WAN

Qualifications

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

Preferred Certifications

Fortinet NSE (NSE4 / NSE7)
Palo Alto PCNSE / PCNSA
CCNA/CCNP Security, CISSP (good to have)

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Vacancy posted 5 days ago

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