About CTS Group
CTS Group SA is a fast-growing and dynamic company, specializing in the design and build of large-scale Data Centers across multiple countries, including Scandinavia, Europe, and the Middle East. CTS Group is rapidly expanding into other markets globally. In addition to D&B, we develop and produce digital systems tailored for the Data Center industry and standardized self-contained units. Our team of professionals, representing more than 40 different nationalities, fosters an inclusive and collaborative culture where innovation and excellence are at the heart of everything we do. Through our projects, we have built a strong reputation as a trusted partner in delivering some of the most advanced, efficient, and sustainable Data Center solutions in the region.

About the Role
We are looking for a Junior Mechanical Engineer to support mechanical design efforts on complex, large-scale projects. You will be assisting in designing mechanical systems, developing calculations, and ensuring compliance with industry standards, while collaborating with multidisciplinary teams and clients. This role combines technical expertise and active involvement in project execution.

Key Responsibilities

Design & Technical Work

• Support senior engineers in developing mechanical designs, calculations, and drawings under close supervision.
• Prepare basic schematics, layouts, and 2D/3D models using AutoCAD, Revit, or SolidWorks.
• Perform routine calculations (load, sizing, capacity) with review from senior staff.
• Assist with equipment selection based on specified parameters.

Documentation & Compliance

• Maintain accurate technical documentation and drawing revisions.
• Follow established design standards, codes, and checklists (ASHRAE, ASME, ISO).
• Support preparation of technical submittals and datasheets.

Collaboration

• Participate in design coordination meetings, taking notes and actioning follow-ups.
• Liaise with other disciplines (electrical, structural) under guidance.
• Use BIM/ACC platforms for basic model updates and clash detection support.

Learning & Development

• Shadow senior engineers on site visits, client calls, and design reviews.
• Build technical competency across HVAC, piping, and cooling systems.
• Take on increasing scope of independent tasks as competency grows.

Qualifications

• Bachelor's degree in Mechanical Engineering (required).

Skills & Competencies

• Expertise in mechanical systems design, including HVAC, piping, pumps, and machinery.
• Proficient in AutoCAD, SolidWorks, Revit, or other mechanical design software.
• Strong knowledge of ASME, ISO, and local mechanical safety standards.
• Experience in energy efficiency and sustainable design practices.
• Excellent problem-solving and project management skills.
• Strong written and verbal communication in English.

Experience

• Minimum 3 years in mechanical design engineering for large-scale, multidisciplinary projects.
• Expertise in HVAC, piping, machinery, and thermal systems design.

Soft Skills

• Proactive, autonomous, and results-oriented.
• Strong communicator with clients and internal teams.
• Collaborative, detail-oriented, and able to stay calm under pressure.

What We Offer

• Competitive salary package aligned with your professional experience.
• Health Insurance.
• Opportunity for professional growth and development.
• Continuous training and learning opportunities.
• A dynamic, professional, and collaborative work environment in Porto, with a diverse and inclusive team that values innovation and excellence.
  
  
  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.