Electrical Engineer

Electrical Engineer - Data Centers

Permanent Role

Porto, Portugal

CTS Group SA is expanding its engineering team in Portugal and is looking for Electrical Engineers across Junior, Senior and Lead levels to join our Porto office.

This is an opportunity to work on the design and delivery of large-scale Data Centre and mission-critical infrastructure projects across Scandinavia, Europe and the Middle East.

About CTS Group

CTS Group SA is a fast-growing Design & Build company specialising in large-scale Data Centre projects across multiple countries, with rapid global expansion.

In addition to Design & Build, CTS develops and produces digital systems for the Data Centre industry and standardised self-contained units.

Our international team represents 40+ nationalities, creating an inclusive and collaborative environment where innovation and engineering excellence are at the core of our work.

The Role

We are looking for detail-oriented, proactive and technically strong Electrical Engineers to join our Porto engineering team.

You will be involved in designing, developing and managing reliable and efficient electrical systems for mission-critical Data Centre infrastructure.

Key Responsibilities

• Design Data Centre electrical systems including power distribution, grounding, lighting and standby power systems.
• Develop and manage single-line diagrams, electrical schematics and panel schedules using EPLAN and Revit.
• Perform/review short-circuit, load-flow, arc-flash and protection coordination studies using ETAP.
• Develop and validate general and emergency lighting designs using DIALux.
• Coordinate with Mechanical, Civil, Structural and Architectural disciplines.
• Ensure compliance with NEC, IEC, IEEE, NFPA 70E and Uptime Institute Tier requirements.
• Prepare technical specifications, BOQs and engineering documentation.
• Support resolution of RFIs and site queries during project execution.

Career Levels

Junior Electrical Engineer | 3–5 Years

• Work under Senior/Lead Engineers on defined design packages.
• Develop proficiency in EPLAN, Revit, ETAP and DIALux.
• Prepare design documentation, BOQs and support RFI responses.

Senior Electrical Engineer | 5–15 Years

• Own electrical design packages end-to-end.
• Independently perform power modelling and schematic design using ETAP, EPLAN, Revit and DIALux.
• Lead multidisciplinary coordination.
• Review junior engineers' work.
• Manage client and vendor technical interactions.

Lead Electrical Engineer | 15+ Years

• Set technical direction and engineering standards across projects.
• Lead and mentor Senior and Junior Engineers.
• Ensure quality and consistency across engineering deliverables.
• Act as the primary technical contact for clients and stakeholders.
• Lead complex technical issues and support innovation initiatives, including Digital Twin applications.

Required Skills & Qualifications

• Bachelor's Degree in Electrical Engineering.
• Proficiency or working knowledge of:
• ETAP
• EPLAN
• Revit
• DIALux
• Strong knowledge of NEC, IEC, IEEE and NFPA 70E.
• Understanding of Data Centre Tier classifications and redundancy concepts: N, N+1 and 2N.
• Experience in mission-critical environments such as:
• Data Centres
• Telecom
• Hospitals
• HV/MV substations
• Switchgear layouts
• BMS integration
• Knowledge of Digital Twin concepts or energy monitoring systems is an advantage.
• Strong problem-solving, communication and teamwork skills.
• Ability to manage multiple projects and deadlines.
• Fluent English is mandatory.

What CTS Group Offers

• Competitive salary package aligned with experience and seniority.
• Comprehensive health insurance.
• Clear career growth and advancement opportunities.
• Continuous training, certification support and learning opportunities.
• Dynamic and collaborative working environment in Porto, Portugal.
• Opportunity to work with a diverse international team on major Data Centre projects across Europe and other global markets.

If you are interested in joining CTS Group and contributing to major Data Centre and mission-critical projects, please send your updated CV to:

[email protected]