Sr. IT/OT Network Architect - SD-WAN, micro-segmentation

Job Description

Skills:

Certification in related fields (CCNA, CCNP) required. Security and Cisco Certified Internetwork Expert (CCIE), and experience in Extreme network switches is a plus.

10+ 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.

Minimum Technical Expertise:

·       Knowledge of design, configuration, installation, testing, and maintenance of local and wide area computer wired and wireless networks (Cisco Systems preferred).

·       Knowledge of computer network characteristics, network operating system software, and network components

·       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.

Prefer: Strong understanding of networking concepts, including routing, switching, and firewall configurations.

Prefer: Proficiency in network monitoring and management tools.

Prefer: Knowledge of cybersecurity best practices for OT networks.

Prefer: Experience with industrial control systems (ICS) and SCADA systems.

Architecture & Design

·       Design and implement a segmented OT network architecture transitioning from flat Layer 2 networks to SD-WAN-enabled, zone-based architectures.

·       Define network segmentation strategy (ISA/IEC 62443 zones and conduits model) to isolate critical OT assets and control east-west traffic.

·       Engineer ring and/or resilient topologies across substations and core OT sites to ensure deterministic communication and fault tolerance.

·       Develop SD-WAN design standards including:

o   Underlay/overlay architecture

o   Path selection policies (latency, jitter, packet loss)

o   QoS for ICS protocols (e.g., DNP3, Modbus, IEC 61850).

Regards,

Mohammed ilyas,

PH = 229-264-4024 or Text - 229-469-1455 or you can share the updated resume at Mohammed@vtekis. com

Additional Information

All your information will be kept confidential according to EEO guidelines.