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PLC Programmer for SIMATIC and CODESYS (f/m/d)

Industry
Manufacturing
Areas
Operations
Product Development
Quality Assurance (QA)

Project info

  • Period
    14.07.2025 - 14.10.2025
  • Capacity
    100%
  • Daily rate
    620 - 830€
  • Location
    Berlin, Germany
  • Languages
    • German
      (Native)
      ,
    • English
      (Advanced)
  • Remote
    20 - 40%

Description

For an internationally operating special machinery manufacturer, an experienced PLC programmer is sought to realize demanding automation projects. The focus is on reprogramming and commissioning controls.

  • Typical tasks: development, testing, and documentation of PLC software for new systems with Siemens SIMATIC S7 (TIA Portal) and/or CODESYS V3. Creation and adjustment of HMI visualizations (e.g., with WinCC Unified, TwinCAT HMI). On-site commissioning of machines and systems at the customer (incl. I/O checks, fieldbus configuration such as Profinet/EtherCAT, functional tests). Systematic error analysis and optimization of existing systems. Technical support for customer service.
  • Relevant technologies/tools: Siemens TIA Portal, SIMATIC S7-1500, CODESYS V3, Beckhoff TwinCAT, WinCC, various fieldbus configurators, EPLAN P8 (reading wiring diagrams).
  • KPIs/success metrics: adherence to development and commissioning schedules, reduction of commissioning time through high software quality, machine cycle time and availability (OEE), customer satisfaction after commissioning.
  • Special challenges: integration of hardware and software components from different manufacturers. Working under time pressure during on-site commissioning. Ensuring functional machine safety (Safety PLC) according to standards (e.g., ISO 13849-1).
  • Deliverables: operational, fully documented PLC programs, final HMI projects, signed commissioning and acceptance protocols, creation or addition of operating manuals.
  • Best practices: structured programming according to standards (e.g., IEC 61131-3), modular and reusable software blocks, consistent code versioning (e.g., in Git).

Requirements

  • Completed training as a state-certified technician, a degree in electrical engineering/automation engineering, or a comparable qualification.
  • Several years of solid professional experience in PLC programming with Siemens SIMATIC S7 (TIA Portal) and/or CODESYS V3.
  • Practical experience in commissioning machines and systems, including knowledge of common fieldbus systems.
  • Willingness to travel extensively for commissioning phases.
  • Personality: strong analytical and problem-solving skills, an independent and structured way of working, "hands-on" mentality.
  • Must-haves: expertise in TIA Portal or CODESYS, commissioning experience.
  • Nice-to-haves: knowledge of Safety PLC programming (e.g., F-CPU), experience with drive technology (e.g., SEW, Siemens) or robotics (KUKA, ABB).