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Salary
≈ $24k – $64k per year (Estimated)
Location
In office (Sines)

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Aug 24, 2026. Winthrop Technologies scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Winthrop Technologies is a Dublin-headquartered data centre contractor that delivers turnkey projects from design through civil, structural, architectural, mechanical and electrical construction to commissioning. Established in 1995 as an MEP contractor, it now employs more than 750 people and is building data centres in seven European countries with over 430 MW of IT load in progress, including projects in Dublin, Amsterdam, Frankfurt, Warsaw, Sweden and Finland. It recruits CSA, electrical and mechanical package managers, supervisors and engineers, estimators, quantity surveyors, quality leads and logistics managers for its sites.

Winthrop is a dedicated Data Centre Construction company providing turnkey solutions to our clients, headquartered in Dublin and delivering throughout Europe. Winthrop specialises in providing Turnkey Data Centre Solutions, providing services from design, through to construction across the full range of civil, structural, architectural, mechanical and electrical services as well as commissioning.

We are pleased to announce that we have a vacancy for a Mechanical Supervisor to join our on-site team in Sines, Portugal.

Responsibilities

  • Taking a lead role in promoting safe working practices across all trades on site
  • Leading weekly toolbox talks and keeping safety a daily focus on site
  • Carrying out regular safety inspections, audits and walkdowns, and closing out any actions
  • Managing and walking down QA of mechanical works to confirm installations meet drawings, specs and standards
  • Completing inspections, snagging works and signing off QA documentation
  • Preparing weekly progress reports that clearly set out progress and any issues
  • Coordinating mechanical works with other trades to avoid clashes and delays
  • Producing two-week lookahead programmes for upcoming activities
  • Managing labour levels in line with the programme
  • Maintaining high quality standards across all mechanical installations
  • Monitoring subcontractor performance and addressing issues early
  • Flagging variations, delays or risks to your line manager as they arise
  • Checking that plant and materials meet project specifications
  • Ensuring materials are stored safely and securely on site
  • Confirming all subcontractor plant and access equipment is certified and fit for use

Requirements

  • 5+ years’ experience as a Mechanical Supervisor.
  • Strong communication and interpersonal skills to foster collaboration.
  • Ability to build and maintain positive relationships with contractors and stakeholders.
  • Solid knowledge of mechanical systems, ideally within a data center environment.

Benefits

  • Working on large scale data centre projects
  • Collaborative team working environments
  • Career progression and development supported
  • Competitive salary packages

Winthrop Technologies Ltd. are an equal opportunities employer

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