Network Subject Matter Expert Stage 2

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 indepth 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 crossfunctional teams to gather requirements and gain insights into the specific security challenges faced by OT systems.
  
• Implement and manage firewall policies leveraging the VMware NSXT platform.
  
• Provide expert guidance and support to internal stakeholders regarding firewall policyrelated matters.
  
• Troubleshoot and resolve complex network and security issues thoroughly investigating and analyzing incidents as they arise.
  
• Support Program GoLive milestones and assist during Hypercare periods.
  
• Document firewall policies configurations and changes maintaining accurate records for future reference and audits.
  

Requirements

Qualifications

• Bachelors 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 NSXT based network technologies
  
• Understanding other Enterprisegrade 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 problemsolving skills with the ability to assess complex security issues and develop effective solutions.
  
• Excellent communication and collaboration skills able to work effectively with crossfunctional teams and stakeholders at various levels.
  
• Proactive mindset with a continuous learning approach to keep uptodate 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