Electrical Engineer (ELV - Extra Low Voltage)

CTS Group; Porto Salvo; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Health insurance

Job summary

CTS Group is seeking a Senior Electrical Engineer – ELV to join our Porto office. You will own and lead the design of electrical systems for data centers, coordinate with mechanical, civil and architectural disciplines, and take technical responsibility for assigned systems.

The role requires 3 to 15 years of experience, proficiency in ETAP, EPLAN, Revit and DIALux, and strong knowledge of NEC, IEC, IEEE and NFPA 70E. Fluent English is mandatory; Portuguese is a plus.

Qualifications

• Bachelor's degree in Electrical Engineering (Master's preferred).
• Proficiency in ETAP, EPLAN, Revit and DIALux.
• Strong knowledge of NEC, IEC, IEEE, NFPA 70E electrical codes.
• Experience in data centers or mission-critical environments.

Responsibilities

• Own and lead the design and development of electrical systems for data centers end-to-end.
• Independently create and manage single-line diagrams, electrical schematics, and panel schedules using ETAP, EPLAN, Revit and DIALux.
• Perform power system analysis (short circuit, load flow, arc flash, protection coordination).
• Develop and validate lighting and emergency lighting designs using DIALux.
• Lead coordination with multidisciplinary teams to ensure integration of electrical systems.
• Lead peer design reviews and review junior engineers' output for standards compliance.
• Prepare and finalize detailed design documentation, specifications, and BOQs.
• Manage direct client and vendor interaction on technical matters and RFIs during construction.
• Ensure compliance with local electrical codes and global data center design standards.
• Mentor junior and intermediate engineers.

Skills

English proficiency

Independent design leadership

Cross-disciplinary coordination

Client/vendor interaction

Education

Bachelor's degree in Electrical Engineering

Master's degree preferred

Tools

ETAP

EPLAN

Revit

DIALux

Job description

We are looking for a detail-oriented and proactive Senior Electrical Engineer – ELV to join our Porto office. This role is key in designing and developing high-quality, reliable, and efficient electrical systems for data centers, owning design packages end-to-end and taking technical responsibility for assigned systems.

Key Responsibilities

• Own and lead the design and development of electrical systems for data centers (power distribution, grounding, lighting, standby power) end-to-end.
• Independently create and manage single-line diagrams, electrical schematics, and panel schedules using EPLAN and Revit.
• Perform power system analysis (short circuit, load flow, arc flash, protection coordination) using ETAP, taking technical responsibility for assigned systems.
• Develop and validate lighting and emergency lighting designs using DIALux.
• Lead coordination with multidisciplinary teams (mechanical, civil, architectural) to ensure seamless integration of electrical systems.
• Lead peer design reviews and review junior engineers' output, ensuring compliance with international standards (IEC, IEEE, NEC, NFPA 70E).
• Prepare and finalize detailed design documentation, specifications, and Bills of Quantities (BOQs).
• Manage direct client and vendor interaction on technical matters, and respond to RFIs during construction phases.
• Ensure compliance with local electrical codes and global data center design standards.
• Mentor junior and intermediate engineers.

Required Skills

• Bachelor's degree in Electrical Engineering; Master's preferred.
• Proficient in ETAP, EPLAN, Revit, and DIALux.
• Strong knowledge of electrical codes and standards (NEC, IEC, IEEE, NFPA 70E).
• Familiarity with Tier classifications (Uptime Institute) and redundancy concepts (N, N+1, 2N).
• Experience in mission-critical environments (data centers, telecom, hospitals, etc.).
• Exposure to HV/MV substations, switchgear layouts, and BMS integration.
• Knowledge of digital twin concepts or energy monitoring systems is a plus.
• Proficiency in English (mandatory); Portuguese and other languages are an advantage.
• 3 to 15 years of electrical engineering experience, including exposure to data center or mission-critical infrastructure design.
• Owns design packages end-to-end and takes technical responsibility for assigned systems; leads coordination with other disciplines and reviews junior engineers' output; confident, independent use of ETAP, EPLAN, Revit, and DIALux; direct client and vendor interaction on technical matters.

What We Offer

Competitive salary package aligned with your professional experience, health insurance, opportunity for professional growth and development, continuous training and learning opportunities, and a dynamic, professional, and collaborative work environment in Porto, with a diverse and inclusive team that values innovation and excellence.

About CTS Group

CTS Group is one of the largest design and build contractors in Europe and the market leader in the Nordic region for data center delivery. With a globally diverse team, group companies, and a strong network of experienced partners, we deliver complex, mission-critical projects across Europe. Joining CTS means becoming part of an international organization at the forefront of data center construction, shaping the future of digital infrastructure.