Network Security Engineer Palo Alto, Cisco, Firewalls (NGFW)

Compensation & Location

Location: Marysville, OH

Pay Range: $67.00 – $74.00 per hour (based on experience and internal equity)

Schedule: Full-time, contract; long-term opportunity

Work Type: Hybrid (4 days onsite, 1 day remote)

Benefits: Health, Vision, Dental, Life Insurance, 401k, Continuing and on-demand education

Must be willing to work onsite in Marysville, OH (or within commuting distance to OH, NC, SC, IN, AL, or GA locations)

Sponsorship is available for this role

️ ONLY W2 – NO CORP to CORP – NO 3rd Parties

Position Overview

We are seeking a Network Security Engineer to support enterprise network security operations, with a focus on firewall administration, monitoring, and incident response.

This role will work extensively with Palo Alto and Cisco security technologies, supporting secure connectivity across enterprise environments including data centers, cloud platforms, and manufacturing sites.

Key Responsibilities

Firewall & Network Security Administration

Configure, manage, and maintain Palo Alto NGFW including policies, NAT rules, IDS/IPS, App ID, User ID, and threat prevention profiles

Administer and troubleshoot Cisco ASA, Firepower, and FTD devices including VPNs and ACLs

Perform firewall rule reviews, cleanup, and optimization

Security Operations & Monitoring

Monitor network traffic, security alerts, and firewall logs using tools such as Panorama, Cisco FMC, and SIEM platforms

Investigate and remediate network-based security incidents

Perform event correlation and escalate issues based on established procedures

Network Infrastructure Support

Support secure connectivity across data centers, cloud environments, and remote access solutions

Troubleshoot networking issues related to routing, switching, VLANs, VPN tunnels, and connectivity

Assist in deploying secure architectures for network builds and migrations

Compliance & Documentation

Maintain firewall configurations, network diagrams, and operational documentation

Support compliance efforts aligned with NIST, ISO 27001, CIS, and PCI-DSS frameworks

Contribute to security hardening standards and best practices

Operational Support

Participate in on-call rotation and support production environments as needed

Support after-hours and weekend activities for system changes and incident resolution

Required Qualifications

5–9 years of experience in network security operations or firewall engineering

Hands-on experience with Palo Alto NGFW (Panorama, GlobalProtect)

Experience with Cisco ASA, Firepower, FMC, and VPN technologies

Strong understanding of networking fundamentals (TCP/IP, routing, switching, VLANs, NAT, BGP, OSPF)

Experience with log analysis, packet capture tools (e.g., Wireshark), and troubleshooting

Knowledge of threat prevention technologies (IDS/IPS, URL filtering, DNS security)

Strong analytical, troubleshooting, and communication skills

Preferred Qualifications

Certifications such as PCNSE, PCNSA, CCNP Security, CCNA Security, Security+, CySA+, CEH, or GSEC

Experience with SIEM tools (Splunk, Sentinel, QRadar)

Experience with cloud security (AWS, Azure, GCP)

Scripting experience (Python, PowerShell, Ansible)

3+ years of Big 4 consulting experience

Stable work history within large enterprise organizations