About CTS Group

CTS Group is a fast-growing international design and build company specializing in data center development across Europe, the Middle East, and Africa (EMEA). With over 40 nationalities represented across our teams, CTS fosters a collaborative, high-performance culture where innovation and technical precision drive every project.

Role Overview

The Senior Mechanical Engineer – Cooling Parts owns the design, coordination, and delivery of cooling systems and mechanical packages for mission-critical facilities, providing technical leadership across projects while driving fast-track execution and mentoring junior team members.

Key Responsibilities

• Own end-to-end design and development of cooling system components and mechanical packages from concept to IFC and as-built stages.

• Lead selection, sizing, and integration of complex cooling equipment such as chillers, CRAHs, CDUs, pumps, and heat rejection systems.

• Ensure all designs comply with applicable codes and standards, driving resolution of complex compliance issues.

• Lead coordination with electrical, structural, architectural, and special package teams across multiple projects.

• Drive fast-track delivery with timely design updates, clarifications, and risk mitigation.

• Provide senior technical input for constructability, commissioning, and handover.

• Own responses to complex RFIs and provide senior support to site teams during construction.

• Finalize and release mechanical design packages within assigned scope.

• Mentor and provide technical guidance to junior and intermediate engineers.

Required Skills and Experience

• Bachelor's or Master's degree in Mechanical, Electrical, or Industrial Engineering.

• 10+ years of experience in mission-critical or industrial environments.

• Deep expertise in critical cooling systems (CRAH/CRAC, chillers, liquid cooling, heat exchangers, pumps).

• Advanced proficiency in 3D modeling tools such as AutoCAD and Revit.

• Extensive experience with DCIM tools and complex interface coordination.

• Advanced knowledge of redundancy concepts (N+1, 2N), resilience, and uptime requirements.

• Prior experience mentoring or leading junior engineers.

Soft Skills

• Exceptional attention to detail and advanced interface management capabilities.

• Strong leadership and collaboration skills across global and cross-functional teams.

• Excellent communicator with stakeholder management experience.

• Proven ability to lead in fast-paced, high-complexity environments.

What We Offer

A career-building leadership role in one of Europe's fastest-growing data center companies, with direct collaboration with global colleagues, competitive compensation, health insurance, and a dynamic, innovation-focused environment in Lisbon/Porto.

If you have the profile we’re looking for, apply for the opportunity to join an excellent team and contribute to the success of a fast-growing international company.