Submer

Mechanical Engineer

Submer

contract

Posted on:

Location Type: Hybrid

Location: Barcelona • Spain

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About the role

  • Mechanical System Design & Engineering: Develop detailed designs for mechanical and cooling systems (chillers, cooling towers, CRAC/CRAH units, pumps, piping, valves, CDUs, FW, RDHx, and DLC loops).
  • Define control strategies for primary and secondary cooling loops, supporting both air and DLC environments.
  • Produce design documentation including schematics, layouts, hydraulic diagrams, specifications, and equipment schedules.
  • Evaluate and select equipment suppliers, ensuring compliance with project performance requirements and client standards.
  • Thermal Performance & Analysis: Perform load calculations, hydraulic modeling, and energy efficiency analysis.
  • Optimize chilled water, glycol, and DLC systems to meet PUE and WUE targets.
  • Assess redundancy schemes (N, N+1, 2N) and their impact on system performance and resilience.
  • Integrate mechanical design with electrical and IT infrastructure, ensuring alignment across disciplines.
  • Commissioning & Delivery: Support procurement processes, technical reviews, and submittal evaluations.
  • Oversee factory acceptance tests (FATs), site acceptance tests (SATs), commissioning, and system validation.
  • Lead troubleshooting and root cause analysis for thermal or mechanical issues, implementing corrective actions.
  • Compliance & Documentation: Ensure designs comply with international standards, local building codes, ASHRAE, and Uptime Institute best practices.
  • Develop and maintain documentation including test protocols, O&M manuals, and method statements.
  • Contribute to risk assessments and ensure safety compliance for fluid handling systems.
  • Collaboration & Expertise: Partner with clients, architects, electrical engineers, and IT teams to deliver integrated solutions.
  • Provide subject matter expertise on high-density and DLC cooling strategies.
  • Mentor junior engineers and contribute to knowledge sharing within the organization.

Requirements

  • Bachelor's or Master's degree in Mechanical Engineering (or related field).
  • Minimum 4 years of experience in mission-critical mechanical design, with demonstrable data center project delivery.
  • Strong knowledge of HVAC, chilled water, and liquid cooling systems (DLC, CDU, RDHx, etc.).
  • Proficiency in mechanical design and analysis tools (e.g., Revit, AutoCAD MEP, HAP, Pipe-Flo, CFD).
  • Familiarity with Tier certification requirements, ASHRAE guidelines, and international standards.
  • Proven analytical, problem-solving, and troubleshooting skills.
  • Strong communication and collaboration skills in cross-disciplinary teams.
  • Ability to manage complex projects under tight deadlines in client-facing environments.
Benefits
  • Attractive compensation package reflecting your expertise and experience.
  • Restaurant Pass.
  • Private Health Insurance.
  • Languages classes (English).
  • A healthy work environment with fresh fruits to energise and an on-site gym for active breaks.
  • A great work environment characterised by friendliness, international diversity, flexibility, and a hybrid-friendly approach.
  • You'll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
mechanical system designcooling systems designload calculationshydraulic modelingenergy efficiency analysistroubleshootingroot cause analysisrisk assessmentsproject deliveryHVAC systems
Soft Skills
analytical skillsproblem-solving skillscommunication skillscollaboration skillsmentoringproject managementclient-facing skillsknowledge sharing
Certifications
Bachelor's degree in Mechanical EngineeringMaster's degree in Mechanical EngineeringASHRAE guidelines complianceTier certification familiarity