Emerson DCS Engineer / DCS Commissioning Specialist

Location: Huelva, Spain

Engagement Type: Freelance / Contract

Overview

We are seeking an experienced Emerson DCS Engineer to support the commissioning and start-up phase of a major industrial plant project in Huelva, Spain. The successful candidate will join the commissioning team and play a key role in ensuring the Distributed Control System (DCS) is fully tested, verified, and operational ahead of plant start-up. This position requires strong hands-on experience with Emerson DCS platforms, including troubleshooting, logic modification, system optimisation, and commissioning support within a process industry environment.

Key Responsibilities

- Support commissioning and start-up activities for a new industrial process plant.
- Troubleshoot, analyse, modify, and optimise Emerson DCS control logic.
- Verify and commission control loops and Emergency Shutdown (ESD) systems.
- Assist in debugging and resolving DCS-related issues during commissioning activities.
- Optimise HMI graphics, alarm management, and operator interfaces to minimise start-up downtime.
- Conduct system testing, loop checks, and site acceptance activities.
- Produce and maintain accurate as-built documentation.
- Update control narratives, logic diagrams, and HMI displays as required.
- Support operational readiness and ensure a stable DCS environment for handover to the operations team.




- Work closely with multidisciplinary engineering, commissioning, and operations teams.

Deliverables

- Fully verified control loops and ESD logic prior to hot commissioning.
- Completed loop checks and commissioning documentation.
- Updated red-line P&IDs; and control system documentation.
- Finalised logic diagrams and HMI graphics.
- Site Acceptance Test (SAT) reports and software punch-list tracking.
- Operational procedures and DCS handover documentation.
- Commissioned and stabilised control system ready for operational use.

Required Experience

- Minimum 3 years' experience working with Emerson DCS systems.
- Proven commissioning and start-up experience within industrial process plants.
- Strong understanding of control systems, instrumentation, and process automation.
- Experience troubleshooting and modifying DCS logic in a live commissioning environment.
- Knowledge of ESD systems, loop checking, and system validation activities.
- Ability to work independently on site while collaborating with wider project teams.
- Excellent problem-solving and communication skills.

Preferred Experience

- Experience within air separation, chemical, gas, energy, or heavy industrial facilities.
- Previous involvement in greenfield projects and plant start-ups.
- Familiarity with commissioning documentation and handover procedures.

📌 Emerson DCS Expert (Madrid)
🏢 Nes Fircroft
📍 Madrid