Cisco Firewall Engineer

Overview

On Site
Depends on Experience
Contract - Independent
Contract - W2
Contract - 24 Month(s)
100% Travel

Skills

FTD
Palo alto
Firewall Administration
Cisco
ISE
Cloud Computing
Lifecycle Management
DMZ
Firewall
Network
Network Security
NAT
Mentorship
Command-line Interface
Policies and Procedures
Virtual Private Network
Access Control
Auditing
Documentation
Leadership
Malware Analysis
Management
Policy Administration
Regulatory Compliance
Scalability
Security Controls

Job Details

We are seeking a highly skilled Firewall Engineer to strengthen and maintain our organization s network security posture. The successful candidate will configure, manage, and optimize firewall infrastructures within Cisco FMC/FTD/FTDv environments, ensuring protection against evolving threats.

You will be responsible for designing and managing multi-tenant leaf-and-spoke architectures, supporting secure DMZ environments, conducting firewall rule audits, and leveraging FireMon to streamline policy management and risk reduction. This role also involves developing and maintaining firewall documentation, supporting compliance audits, and mentoring junior engineers.

Key Responsibilities

  • Configure, manage, and optimize Cisco FMC, FTD, and FTDv firewalls.

  • Design and manage leaf-and-spoke firewall architectures for global scalability.

  • Proactively detect and respond to threats using Cisco Secure Firewall Threat Defense and Malware Protection.

  • Conduct firewall rule audits, cleanups, and optimizations to strengthen security posture.

  • Leverage FireMon Policy Manager, Policy Planner, and Risk Analyzer for firewall policy lifecycle management.

  • Troubleshoot firewall issues (connectivity, misconfigurations, performance) using packet captures, logs, and CLI.

  • Implement and manage VPNs, NAT policies, application-layer controls, and DMZ configurations in hybrid cloud environments.

  • Develop, document, and maintain firewall policies and procedures aligned with compliance and best practices.

  • Support security audits and assessments to ensure adherence to security standards.

  • Mentor team members to build technical expertise in firewall management.

Required Skills & Experience

  • Strong expertise with Cisco FMC, FTD, and FTDv.

  • Experience designing multi-tenant firewall architectures.

  • Deep knowledge of threat defense, malware protection, VPN, NAT, DMZ, and app-layer security controls.

  • Proficiency with FireMon tools (Policy Manager, Planner, Risk Analyzer).

  • Hands-on troubleshooting skills using packet captures, logs, and CLI.

  • Strong knowledge of network security principles, compliance, and firewall best practices.

  • Experience documenting policies and supporting security audits.

  • Commitment to staying current with emerging threats and technologies.

  • Leadership/mentoring ability.

Nice-to-Have Skills

  • Experience with Cisco ISE for network access control.

  • Knowledge of Cisco ACLs.

  • Familiarity with Palo Alto firewalls.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.