Network Firewall Migration Engineer

Network Firewall Migration Engineer
Location Orlando, FL, or Tulsa, OK(Day 1 onsite)
Position Type: Full Time

Job Description: Network Firewall Migration Engineer
Role Overview:
We are seeking a Network Firewall Migration Engineer to lead and execute migration projects involving firewalls from vendors such as Checkpoint, Juniper, Cisco, and Fortinet . The ideal candidate will have hands-on experience in planning, designing, and implementing firewall migrations while ensuring minimal downtime and security compliance.
Key Responsibilities:
- Assessment & Planning:

• Analyze existing firewall configurations, security policies, and network architecture.
• Develop migration strategies and detailed implementation plans.
• Identify dependencies and risks to ensure a smooth migration.

- Firewall Migration & Implementation:

• Migrate firewall rules, NAT policies, VPN configurations, and security settings.
• Perform in-place upgrades, hardware replacements, or vendor-to-vendor migrations.
• Ensure seamless cutover with minimal impact on business operations.
• Implement high availability (HA) and clustering configurations if required.

- Testing & Validation:

• Conduct pre-migration and post-migration testing to validate firewall rules and connectivity.
• Perform security assessments to ensure compliance with organizational policies.
• Troubleshoot and resolve migration-related issues.

- Documentation & Handover:

• Create detailed migration runbooks, rollback plans, and network diagrams.
• Document firewall configurations, rule optimization, and best practices.
• Provide knowledge transfer and training to operations teams.

- Collaboration & Communication:

• Work closely with network architects, security teams, and stakeholders.
• Provide status updates and incident reports as needed.
• Coordinate with vendors and third-party service providers if required.

Required Skills & Qualifications:

Experience Level:
- 8 years of experience in firewall migrations and network security.

- Technical Expertise:

• Hands-on experience with Checkpoint, Juniper SRX, Cisco ASA/FTD, Palo Alto and Fortinet FortiGate firewalls.
• Strong understanding of firewall policies, NAT, VPN (IPsec, SSL), and IDS/IPS.
• Experience in migrating firewalls across different vendors or upgrading firewall hardware/software.
• Proficiency in CLI and GUI-based firewall management tools (e.g., Smart Console, J-Web, ASDM, Forti Manager).
• Knowledge of routing protocols (BGP, OSPF), VLANs, and network security best practices.

- Migration & Troubleshooting Skills:

• Experience in rule base optimization, log analysis, and troubleshooting connectivity issues .
• Ability to analyze logs, packet captures, and perform debugging during migrations.
• Familiarity with automation tools and scripting (Python, Ansible) for policy migration is a plus.

- Certifications (Preferred but not mandatory):

• Checkpoint CCSA/CCSE
• Juniper JNCIS-SEC/JNCIP-SEC
• Cisco CCNP Security or CCIE Security
• Fortinet NSE 4/NSE 5/NSE 7

- Soft Skills:

• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management.
• Ability to work under pressure and handle critical migrations with tight deadlines.

About Tanisha Systems, Inc.

Tanisha Systems, founded in 2002 in Massachusetts-*, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally. We use a client-centric engagement model that combines local on-site and off-site resources with the cost, global expertise and quality advantages of off-shore operations. We deliver Custom Application Development, Application Modernization, Business Process Outsourcing and Professional IT Services from office locations in * and *.
Tanisha Systems services clients in Government, Banking & Financial Markets, Insurance, Healthcare, Retail & Consumer Goods, Energy & Utilities, Life Sciences, Telecom, Manufacturing and Transportation Industries around the globe. Our engagement model provides a flexible operational environment that empowers our clients with the right levels of control.

Want to read more about Tanisha Systems? Visit us at

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