Operational Technology Network Architect

2 weeks ago

Manassas, Virginia, United States Sterling 5 Full time
Job Title: Sr. Operational Technology Network Architect

Job Summary:
Sterling 5 is seeking a highly skilled Sr. Operational Technology Network Architect to design and implement OT network architecture for industrial control systems (ICS) and operational technologies. The ideal candidate will have a strong understanding of networking concepts, including routing, switching, and firewall configurations, as well as experience with industrial protocols and IT/OT convergence principles.

Key Responsibilities:
• Design and implement OT network architecture for ICS and OT environments
• Collaborate with cross-functional teams to ensure integration between IT and OT environments
• Develop and enforce network security policies and protocols for OT systems
• Monitor and analyze network performance and security incidents
• Conduct risk assessments and vulnerability assessments specific to OT environments
• Define and configure ring topologies for all OT Core network sites and firewall policies to restrict traffic flow between segments and prevent unauthorized access to OT assets
• Deploy redundancy and resilience mechanisms for critical OT switches to minimize downtime and ensure continuous operation
• Establish backup and restore procedures for Extreme network switch configurations and firmware specifically for the OT network
• Develop failover and recovery plans tailored to the OT network environment
• Document the DR plan for the OT network switching infrastructure, including procedures, configurations, contact information, and recovery strategies
• Stay updated on industry trends, emerging technologies, and regulatory requirements
• Ensure that the DR plan for the OT network complies with relevant industry standards and regulatory requirements, such as NERC CIP standards or industry-specific regulations governing OT security and resilience
• Assist/Support other network-related tasks/requirements as directed by management
• Available On-Call to assist with trouble tickets as needed
• Manage projects and deliver on time with periodic status reports to management

Requirements:
• 5+ years of experience in network design and architecture, preferably in OT environments
• Experience with industrial protocols (e.g., Modbus, DNP3, OPC, Ethernet/IP)
• Familiarity with IT/OT convergence principles
• Strong understanding of networking concepts, including routing, switching, and firewall configurations
• Proficiency in network monitoring and management tools
• Knowledge of cybersecurity best practices for OT networks
• Experience with industrial control systems (ICS) and SCADA systems
• Knowledge of design, configuration, installation, testing, and maintenance of local and wide area computer wired and wireless networks (Cisco Systems preferred)
• Troubleshooting skills and the ability to diagnose/resolve network system problems
• Ability to interpret and apply complex technical manuals and reference materials
• Ability to assist with developing network security and related procedures; and performing network management activities

Education Requirements:
• Bachelor's degree in computer science, computer networks, or a related field
• Certification in related fields (CCNA, CCNP) required. Security and Cisco Certified Internetwork Expert (CCIE), and experience in Extreme network switches is a plus

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