Electrical Design Engineer

Job Title: Electrical Design Engineer – Data Centers Company: CTS Group Location: Lisbon, Portugal Type: Full-time, on-site (Lisbon office – Parque das Nações / Expo) 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 Centre 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 Centre solutions in the region. About the Role We are looking for a detail-oriented and proactive Electrical Engineer to join our Lisbon office. This role is key in designing and developing high-quality, reliable, and efficient electrical systems for Data Centers. Key Responsibilities Design and develop electrical systems for Data Centers, including power distribution, grounding, lighting, and standby power. 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. Develop and validate lighting and emergency lighting designs using DIALux. Coordinate with multidisciplinary teams (mechanical, civil, architectural) to ensure seamless integration of electrical systems. Participate in peer design reviews, ensuring compliance with international standards (IEC, IEEE, NEC, NFPA 70E). Prepare detailed design documentation, specifications, and Bills of Quantities (BOQs). Support commissioning teams and respond to RFIs during construction phases. Ensure compliance with local electrical codes and global data center design standards. Stay updated with emerging technologies and best practices in mission-critical power systems. Collaborate closely with design partners from other engineering disciplines. Required Skills and Experience Bachelor's degree in electrical engineering. Minimum experience per level: Junior: 3+ years. Intermediate: 5+ years. Senior: 8+ years (including at least 2 years leading data center or mission-critical infrastructure design). Preferably proficient in or familiar with: ETAP (power systems modeling and analysis). EPLAN (electrical schematics and control panel design). Revit (BIM modeling and coordination). DIALux (lighting simulation and design). 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. Excellent problem-solving, communication, and teamwork skills. Ability to manage multiple projects under tight deadlines. Proficiency in English (mandatory); other languages are an advantage. 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 Lisbon, 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