Power Plant IT/OT Network Architect – Onsite Miami
DHANU GLOBAL ENTERPRISES, INC.
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Job summary
DHANU GLOBAL ENTERPRISES, INC. is seeking a senior Network Architect to design and migrate Power Plant IT/OT networks in Miami on a long-term onsite contract.
The role requires extensive experience in enterprise networking, DCS/SCADA integration, and security across IT/OT boundaries. You will drive migration planning, high-availability design, and cutover execution while coordinating with control system engineers to ensure seamless operation and compliance with Purdue Model and ISA/IEC 62443
Qualifications
- 12+ years of experience in Network Architecture and infrastructure transformation.
- Proven experience in end-to-end Power Plant IT/OT network migration projects.
- Hands-on experience with DCS, SCADA, PLC, HMI, Historians, and Industrial Control Systems.
- Expertise in Cisco Routing & Switching, VLANs, VRFs, BGP, OSPF, and high-availability architecture.
- Knowledge of IT/OT network segmentation, DMZ/IDMZ, Purdue Model, and ISA/IEC 62443.
- Experience with Palo Alto, Cisco Firepower/ASA firewalls, VPN, NAT, and firewall policy migration.
- Knowledge of industrial protocols including Modbus TCP, DNP3, OPC, and OPC UA.
Responsibilities
- Design and migrate Power Plant IT/OT network infrastructure.
- Lead end-to-end migration planning, cutover, and hypercare.
- Ensure security and compliance per Purdue/ISA/IEC 62443 guidelines.
- Collaborate with DCS/SCADA teams to optimize network performance.
Skills
Tools
Job description
DHANU GLOBAL ENTERPRISES, INC. is seeking a senior Network Architect to design and migrate Power Plant IT/OT networks in Miami on a long-term onsite contract.
The role requires extensive experience in enterprise networking, DCS/SCADA integration, and security across IT/OT boundaries. You will drive migration planning, high-availability design, and cutover execution while coordinating with control system engineers to ensure seamless operation and compliance with Purdue Model and ISA/IEC 62443
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