Network Subject Matter Expert

2 weeks ago

india We IT Global AB Full time
Job Description

This is a remote position.

We are looking for a Network Subject Matter Expert specializing in firewall policy creation within an Operational Technology (OT) environment for one of our organizations.

Job Summary

  • We are looking for a highly skilled Network Subject Matter Expert specializing in firewall policy creation within an Operational Technology (OT) environment.
  • As a Network Subject Matter Expert (NRA 2.0 Stage 2), your primary responsibility will be to define and implement comprehensive firewall policies to safeguard critical OT systems and networks. Your expertise in network security and in-depth understanding of OT environments will be crucial in ensuring the protection, availability, and compliance of industrial control systems.
  • You will be a member of the client APMT Industrial Infrastructure platform, reporting directly to the Senior Engineering Manager of the Edge Communications product. Your role will be aligned with the NRA (Network Reference Architecture) 2.0 Deployment Program.

Responsibilities

  • Create and develop comprehensive firewall policies for OT networks and systems, guaranteeing robust security and uninterrupted operations.
  • Collaborate closely with cross-functional teams to gather requirements and gain insights into the specific security challenges faced by OT systems.
  • Implement and manage firewall policies leveraging the VMware NSX-T platform.
  • Provide expert guidance and support to internal stakeholders regarding firewall policy-related matters.
  • Troubleshoot and resolve complex network and security issues, thoroughly investigating and analyzing incidents as they arise.
  • Support Program Go-Live milestones and assist during Hypercare periods.
  • Document firewall policies, configurations, and changes, maintaining accurate records for future reference and audits.

Requirements

Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field. Relevant certifications (e.g., CCNA Security, CCNP Routing & Switching, CISSP, VMWare Certified Network Virtualisation) are advantageous.
  • Experience in defining and implementing firewall policies within OT environments.
  • The candidate must have a good understanding of Routing and Switching technologies and protocols.
  • The candidate must have working experience in configuring and managing VMWare NSX-T based network technologies
  • Understanding other Enterprise-grade firewall technologies such as Cisco ASA, Checkpoint, and Palo Alto is an advantage.
  • The candidate must have working experience with the Cisco Nexus 9K series datacenter switching platform.
  • Understanding of OT applications commonly used in terminal operations, including but not limited to Terminal Operating Systems (TOS), Gate Operating Systems (GOS), EDI, CCTV, Access Control systems, SCADA solutions, PLCs, etc.
  • Solid understanding of OT applications and communication protocols such as MODBUS, Profinet, MQTT, etc
  • Solid understanding of common enterprise applications and communication protocols (Active Directory, DNS, NTP, Syslog, RDP, HTTP/HTTPS, database products, etc).
  • Understanding of forward and reverse proxy technologies is an advantage.
  • Strong analytical and problem-solving skills, with the ability to assess complex security issues and develop effective solutions.
  • Excellent communication and collaboration skills, able to work effectively with cross-functional teams and stakeholders at various levels.
  • Proactive mindset with a continuous learning approach to keep up-to-date with emerging technologies and security threats in the OT domain.
  • Demonstrated ability to work under pressure, prioritize tasks, and meet deadlines in a dynamic and challenging environment.
  • Strong attention to detail and a commitment to maintaining high standards of security and compliance.

Benefits

LOCATION: India
Onsite: No, 100% Remote


Requirements
VMWare, NSX-T

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