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.
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

📌 Mechanical Supervisor (Sevilla)
🏢 Silverback
📍 Sevilla