Network Security Engineer

SISL Global; India; On-site; INR 1,600,000 - 3,000,000; Full time

Job summary

SISL Global is seeking an IT/OT Cybersecurity professional to work across manufacturing sites, engineering and tech teams to strengthen OT security architecture and seg mentation. You will define OT firewall structures, develop reference architectures and ensure firewall rules protect automation systems while enabling IT/MES integration.

Ideal candidates have 5+ years in IT/OT security, strong Palo Alto Firewall experience, and excellent stakeholder communication across operations, capital

Qualifications

• 5+ years as IT/OT Network/cybersecurity professional.
• Experience with Palo Alto Firewall.
• Ability to interface with operations, capital projects and senior management.

Responsibilities

• Analyse OT architecture, strategy, and processes across manufacturing sites.
• Define and implement new structures for OT Firewall VLANs aligned to segmentation principles.
• Develop reference architectures for standard OT services and applications.
• Define and review OT firewall rules to integrate with IT & MES while protecting automation systems.
• Coordinate with sites to ensure timely changes to minimize cyber risk.
• Support recovery from cyber security incidents and investigations.
• Ensure protection of automation and lab systems with defence-in-depth security controls.

Skills

Palo Alto Firewall

OT network security

Stakeholder communication

Job description

• Working with Manufacturing Sites, Engineering and Tech teams to analyse existing OT architecture, strategy, and processes.
• Analyse, define and implement new structures and processes for existing OT Firewall VLAN’s to ensure they align to defined internal segmentation principles.
• Develop & implement reference architectures for standard services and applications within the OT environment.
• Define, review, and approve OT firewall rules to facilitate integration with IT & MES systems whilst maximizing protection of the automation systems hosted on the OT network infrastructure.
• Work with the sites to ensure that any changes are responded to and completed with the appropriate urgency to ensure that cyber security risks are minimized.
• Support the sites in recovery from cyber security incidents and investigations.
• Work with sites to ensure that automation and lab systems are protected with the appropriate level of cyber security protection and security controls based on a defence in depth principles.

Qualifications

• 5+ years as IT/OT Network/cybersecurity professional

Required Skills

• Strong experience with Palo Alto Firewall
• Effective communication skills with the ability to interface with operational, capital projects and senior management within the organization.