SilverBack is the go-to specialised technical recruiter of mobile, scarce talent for international new-industry construction projects. Currently, we are recruiting for a Commissioning Mechanical Supervisor (m/w/d) for a major industrial project in Huelva, Spain .

This role is critical to ensuring the safe, efficient, and quality-driven pre-commissioning and commissioning of all static and rotating mechanical equipment on site. As Commissioning Mechanical Supervisor, you will lead field execution, oversee equipment run-ins and alignments, manage system walkdowns, and work closely with Construction, QA/QC, Vendor Representatives, and Completions teams to transition mechanical subsystems smoothly into operation.

Mechanical Commissioning & Execution: Supervise day-to-day mechanical pre-commissioning and commissioning activities, including uncoupled motor runs, equipment alignment, shaft rotation checks, lubrication, and vibration monitoring.

Cualquier información adicional que necesite para este trabajo se encuentra en el texto a continuación. Asegúrese de leerla detenidamente y luego envíe su solicitud.

identify, log, and manage punch list items to drive systems toward Mechanical Completion (MC) and Ready for Commissioning (RFC).

Vendor & Sub-contractor Interface: Coordinate closely with Original Equipment Manufacturer (OEM) vendor specialists and mechanical sub-contractors during site acceptance testing, equipment runs, and system sign-offs.

raise and manage hot work,



confined space entry, and mechanical isolation permits in line with project safety procedures.

Documentation & Quality Sign-offs: Verify mechanical test packages, sign off on inspection test records (ITRs), and ensure vendor documentation, preservation logs, and redline drawings are complete for turnover packages.

Attend daily commissioning coordination meetings, review progress against schedule, and proactively resolve technical queries in the field.

Experience: Proven experience as a Mechanical Commissioning Supervisor, Rotating Equipment Lead, or similar field supervisor role on large-scale industrial, mining, energy, or metallurgical projects.

Technical Skills: Deep practical knowledge of static and rotating equipment commissioning, precision alignment, lubrication systems, dynamic testing, and system turnover processes (MC, RFC, RFSU).

English proficiency is required; Spanish language skills are a strong asset given the project location. xugodme

Competitive contract rate / strong package

Accommodation provided

Opportunity to work on a major international industrial project in Huelva, Spain

Supportive, high-performing project environment

We welcome applications from all qualified candidates regardless of age, disability, gender, gender identity or expression, marital or family status, race, colour, ethnic or national origin, religion or belief, or social orientation.

📌 Mechanical Supervisor, Commercial (Contract) (Sevilla)
🏢 Silverback
📍 Sevilla