Senior Network Engineer

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Senior Network Engineer Network Security

Location: Tallahassee, FL Local only



Work Arrangement: 100% Onsite



Duration: Long-Term Contract.

Job Summary

STAFFXPERT LLC is seeking a Senior Network Engineer Network Security on behalf of our client in Tallahassee, FL.

We are looking for an experienced Network Security Engineer with strong hands-on expertise in Palo Alto and Check Point firewalls, GlobalProtect VPN, enterprise networking, and NIST security standards . The ideal candidate will be responsible for designing, securing, implementing, and supporting enterprise network infrastructure while resolving complex network and security issues.

Key Responsibilities

• Configure and administer Palo Alto and Check Point firewalls , including security policies, access rules, deployments, and rule migrations.

• Configure, maintain, and troubleshoot GlobalProtect VPN and secure remote connectivity.

• Design and support LAN/WAN, routing and switching, wireless networks, cloud connectivity, and data center infrastructure .

• Develop secure network architectures, VLANs, segmentation strategies, and access controls .

• Monitor network traffic, security logs, alerts, availability, and performance.

• Troubleshoot complex network and security incidents using packet analysis, monitoring tools, and root-cause analysis.

• Conduct security risk assessments, identify vulnerabilities, and coordinate remediation efforts.

• Develop and maintain NIST-aligned security policies, standards, and operational procedures .

• Maintain network diagrams, IP addressing plans, VLAN documentation, firewall rules, and access-control documentation.

• Collaborate with cybersecurity, cloud, application, database, and infrastructure teams.

• Provide technical guidance and mentorship to junior network and security professionals.

Required Qualifications

• 5 10 years of experience in network engineering, IT infrastructure, and/or information security.

• 3 5 years of experience working with information security tools and NIST-based security standards .

• Strong hands-on experience with Palo Alto and/or Check Point next-generation firewalls .

• Experience administering and troubleshooting GlobalProtect VPN .

• Strong knowledge of LAN/WAN, TCP/IP, routing and switching, VLANs, VPNs, network segmentation, and access controls .

• Experience with security monitoring, incident response, vulnerability management, and network troubleshooting.

• Knowledge of cloud networking and network security controls .

• Strong troubleshooting, root-cause analysis, documentation, and communication skills.

• Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent professional experience.

Preferred Qualifications

• PCNSE, CCNP, CCIE, and/or CISSP certification .

• Experience supporting large-scale enterprise network environments.

• Experience conducting technical assessments and proof-of-concept initiatives.