Senior Network Security Engineer L3 Firewall migration || Usajobs || COLUMBUS, OHIO

Senior Network Security Engineer L3 Firewall migration

Type: Contract

Location: COLUMBUS, OHIO

Implementation partner:

Job description:

Job Description: We are looking for a Senior Network Security Engineer specializing in L3 Firewall migration from Fortinet to Cisco Firepower. In this role, you will lead the migration effort, converting firewall rules, analyzing and optimizing existing configurations, and ensuring a seamless transition to Cisco Firepower. You will collaborate closely with L2 firewall engineers for configuration and cutover planning, execute firewall cutover during change windows, and prepare comprehensive test plans and handover documents for operational teams.

Key Responsibilities:

Own the firewall migration project from Fortinet to Cisco Firepower, ensuring all migration tasks are executed according to plan.
Convert firewall rules using Cisco firewall rule migration tools, ensuring accuracy and alignment with security policies.
Analyze and optimize unused rules and address groups from existing firewalls, ensuring efficient use of new firewall capabilities.
Finalize firewall rules for Cisco Firepower based on analysis and business requirements.
Coordinate with L2 firewall engineers for configuration setup and change request planning.
Prepare detailed test plans before and after cutover to validate firewall functionality.
Execute firewall cutover activities during scheduled change windows, minimizing impact on production environments.
Create comprehensive handover documents for operational teams, providing necessary documentation and knowledge transfer for ongoing support.
Serve as a subject matter expert during project phases, reviewing network security service components and aligning them with long-term strategic goals.
Conduct risk assessments, provide design recommendations, and perform encryption technology and vulnerability analysis.
Develop technical documentation including procedures, manuals, and reports to ensure standards compliance and operational efficiency.
Demonstrate strong problem-solving, troubleshooting, and customer service skills in resolving technical issues and supporting network performance analysis.
Skills / Experience Required:

Proven experience (X years) as a Network Security Engineer with specialization in firewall migration projects.
Expertise in L3 firewall technologies and migration methodologies, specifically from Fortinet to Cisco Firepower.
Strong knowledge of firewall rule conversion tools and best practices for firewall rule optimization.
Experience in network performance analysis, troubleshooting, and resolution.
Ability to conduct risk assessments, penetration testing, and vulnerability analysis.
Excellent communication skills and ability to collaborate effectively with cross-functional teams.
Proficiency in preparing technical documentation and adherence to standards and regulatory requirements.
Preferred Qualifications:

Cisco Certified Network Professional (CCNP) or equivalent certification.
Experience with Cisco Firepower firewall platforms and associated technologies.
Familiarity with network encryption technologies and security protocols.
Knowledge of ITIL practices and change management processes.

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