Ali R.
PLC & SCADA Programmer | Siemens TIA, Allen-Bradley, HMI, IIoT
PLC programming, SCADA/HMI development, and IIoT integration for process plants, OEM machinery, and production lines. 8+ years. Degreed Electrical Engineer. ⚙️ SERVICES ✅ PLC programming, migration & legacy conversion ✅ SCADA / HMI design — alarms, trends, recipes, historian ✅ Control panel engineering — schematics, BOM, I/O lists, EN 61439 / CE ✅ IIoT & data integration — machine data to dashboards, SQL, cloud ✅ Commissioning, loop checks, FAT/SAT, remote troubleshooting ✅ Documentation — FDS, I/O schedules, as-builts, O&M manuals 🔧 PLC PLATFORMS ▸ Siemens — TIA Portal, S7-1200, S7-1500, S7-300/400, ET 200SP, Step 7 ▸ Siemens LOGO! — Soft Comfort, small-machine and utility control ▸ Allen-Bradley / Rockwell — Studio 5000, RSLogix 5000/500, ControlLogix, CompactLogix, MicroLogix, Micro800 ▸ Schneider Electric — EcoStruxure Machine Expert, Modicon M221/M241/M251, Zelio ▸ Phoenix Contact PLCnext — PLCnext Engineer ▸ Omron — Sysmac Studio, CX-Programmer, NX/NJ, CP1/CJ2 ▸ Mitsubishi — GX Works2/3, FX and Q series ▸ Delta — ISPSoft/WPLSoft, DVP and AS series ▸ Beckhoff — TwinCAT 3 ▸ Unitronics | Fatek | Wecon | Array ▸ Maple Systems PLC/HMI 🖥️ HMI / SCADA ▸ Siemens WinCC — Comfort, Advanced, Professional, Unified ▸ FactoryTalk View SE/ME ▸ Ignition (Inductive Automation) ▸ Weintek EasyBuilder Pro ▸ Delta DOPSoft | Omron NA/NB | Mitsubishi GOT | Schneider Vijeo ⚡ DRIVES & FIELD DEVICES ▸ VFDs — Siemens G120/V20, Allen-Bradley PowerFlex, Danfoss, Delta, ABB ▸ Servo — Siemens Sinamics, Delta ASDA, Omron ▸ Instrumentation — 4–20 mA, RTD/thermocouple, flow, pressure, level, weighing 🔌 PROTOCOLS ▸ Modbus TCP / RTU ▸ PROFINET | PROFIBUS DP | EtherNet/IP | EtherCAT ▸ OPC UA / OPC DA ▸ MQTT | RS-485 | IO-Link 📡 IIoT & SOFTWARE ▸ Node-RED | Grafana | InfluxDB | SQL Server | PostgreSQL ▸ Python — data logging, protocol bridging, signal analysis ▸ ESP32 / embedded gateways for retrofitting legacy machines ▸ Cloud brokers, dashboards, historians ✔️ HOW I WORK ▸ Control philosophy agreed in writing before any code ▸ Commented, structured code your next engineer can maintain ▸ Full documentation with every handover ▸ Clear English, EU + Middle East time zones ▸ I flag scope problems early, not at commissioning 📩 Send your P&ID, I/O list, or process description — I'll tell you honestly if I'm the right fit
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $148
Billed in all: $7,424$7.4k
$74 in the last 6 months
Across 14 contracts
Earnings, last 30 days
Skill rankings: Top 35% in Robotic Process Automation
Ranked by MRR among everyone on Upwork with the skill.
- #7Ladder Logic18 freelancers · 🇵🇰 #2Top 39%🇵🇰#2 of 4
- #10Rockwell Automation Arena21 freelancers · 🇵🇰 #2Top 48%🇵🇰#2 of 7
- #36Industrial Internet of Things74 freelancers · 🇵🇰 #8Top 49%🇵🇰#8 of 15
- #51PLC107 freelancers · 🇵🇰 #4Top 48%🇵🇰#4 of 12
- #65SCADA128 freelancers · 🇵🇰 #6Top 51%🇵🇰#6 of 12
- #82Industrial Automation173 freelancers · 🇵🇰 #7Top 47%🇵🇰#7 of 17
- #112Autodesk315 freelancers · 🇵🇰 #7Top 36%🇵🇰#7 of 20
- #125PLC Programming290 freelancers · 🇵🇰 #11Top 43%🇵🇰#11 of 30