Ernani Marx

- Commissioned DCMS automaƟon systems during port tests, HAT, sea trials and retrofit activities on hopper dredgers. - PLC/HMI focus: Siemens S7-1500 / S7-1500H, SIMATIC STEP 7 / TIA Portal, WinCC 7.5 / 8.1 and Ignition for troubleshooting, integrationand production-data collection. - Supported customer-facing technical issue resolutionand communication interfaces in internaƟonal project environments.

- Supported ARDVARC drilling automaƟon upgrades, tests and field installations across South America, North America, Africa and Oceania;. - PLC/SCADA focus: Rockwell ControlLogix L73 / L81, Studio 5000, EtherNet/IP, SQL Server / SSRS, LTE/GPS and virtual producƟon / test environments around drilling automation systems. - Built reports, reproduced bugs in lab environments and coordinated deployments between Brazilian customers and U.S. engineering teams.

- Provided automation consulting for mining and autonomous drill-rig projects, including database certification, validation and standardization. - PLC/SCADA focus: Rockwell Studio 5000 / ControlLogix environments, industrial networks (EtherNet/IP, Profinet, Profibus, Modbus) and field troubleshooting for autonomous drilling operations.

- Supported Dispatch, MineCare, PowerView and Provision plaƞorms, plus Windows Server, Red Hat, SQL and VMware infrastructure, with 24/7 remote support. - Proprietary PLC/SCADA exposure: supported embedded and onboard mobile-equipment systems, bug analysis and virtual test environments around fleet-control / supervisory platforms.

-Delivered load-shedding and substaƟon automaƟon for 36 electrical substaƟons at PETROBRAS RNEST. -PLC/SCADA focus: GE XA/21, GE C90 Plus controllers, GE F35 / T35 / M60 relays, IEC-61850 engineering, FAT, SAT and commissioning. -Delivered automaƟc generaƟon control, load shedding and electrical gateway / integration projects for offshore platforms. -PLC/SCADA focus: Rockwell Studio 5000 / Elipse E3, DeviceNet, Profibus, Modbus TCP/IP, EtherNet/IP, OPC and virtual test environments.

PETROBRAS – FPSO (P74, P66 e P69): - Automatic Generation Control and Load Sheed Protection System of FPSO P74. - Virtual test environment development to simulate the system behavior. - Technical documentation. - P74 Electric Gateway Project installation and execution. DeviceNET, Profibus, Modbus TCP/IP, IEC-61850, Ethernet IP, OPC. - IEC-61850 Network Project Development. - Commissioning and testing Schneider SEPAM S80 e GE G60 digital protection relays.

- Executed automation and instrumentation engineering for PETROBRAS HQ renovation (EDISE), covering site surveys, specifications, documentation and commissioning. - PLC/SCADA focus: Schneider Unity Pro XL PLC development and Elipse E3 SCADA / HMI screens and logic for monitoring and control; parametrized meters, soŌ starters, IEDs and gateways.

-Developed DSP2812 control algorithms and testing routines for a multilevel frequency-inverter prototype; control/DSP laboratory role rather than a PLC plaƞorm.

Developed CNC firmware plus supervisory / HMI softwarefor signal-processing and gait-analysis applications; early embedded-control and supervisory-software experience.