Note: The job is a remote job and is open to candidates in USA. Insight Global is seeking an Operational Technology (OT) Network Security Engineer to support an OT Stabilization effort. The role will migrate Cisco ASA firewalls to Cisco Firepower Threat Defense firewalls, strengthen IT/OT network segregation, and ensure compliance with cybersecurity standards, OT security requirements, and industry best practices.
Responsibilities
- Cisco ASA to Cisco FTD migration implementation services
- Environment segregation in cases where no firewall currently exists in the network
- Firewall design review and updated deployment documentation
- Updated network diagrams showing IT/OT segregation architecture
- Firewall policy review and optimization documentation
- Implementation of ADM standard firewall baseline configurations
- Verification and validation test results
- Logging and SIEM integration verification report
- Migration execution and cutover support
- Updated operational and support documentation
- Knowledge transfer documentation to BAU
- Project status updates and implementation reports
Skills
- 7+ years of Network Engineering or Network Security Engineering experience
- Strong Operational Technology (OT) networking experience in manufacturing, industrial, or plant environments
- Hands-on experience with Cisco ASA and Cisco Firepower Threat Defense (FTD) firewalls
- Proven experience executing ASA-to-FTD firewall migration projects
- Strong understanding of:
- Firewall policy management
- NAT
- VPNs
- Routing
- Access Control Policies (ACP)
- Security segmentation
- Experience supporting IT/OT network communications and industrial cybersecurity initiatives
- Strong understanding of Security and Compliance including Principle of Least Privilege
Company Overview