TPS Design Engineer Estonia

COBELEC is a specialist engineering company delivering complex railway and energy infrastructure solutions across Europe. The company provides high‑value technical expertise in traction power supply, electrification and control systems, operating on large‑scale, long‑term projects together with leading international partners. With a strong engineering culture and an innovative mindset, COBELEC offers its employees the opportunity to work with advanced technologies in a collaborative, professional environment.

On behalf of the company, we are now inviting a bright and motivated professional to join a friendly engineering team in Estonia in the position of TPS Design Engineer.

In this role, you will contribute directly to the design and development of high‑ and medium‑voltage substations for major railway electrification projects. You will work closely with international experts and local stakeholders, ensuring that TPS designs are technically robust, optimized and fully compliant with all relevant standards and regulations.

Main Responsibilities:

• Perform comprehensive design of high‑ and medium‑voltage substations across all phases: generic/concept, application and detailed design, including back‑office support during construction and commissioning.
• Develop and optimize equipment layouts in alignment with stakeholder and third‑party requirements.
• Review and verify essential calculations such as equipment sizing, grounding/earthing grids, auxiliary services and short‑circuit studies.
• Collaborate with assembly and commissioning teams, providing technical guidance and resolving real on‑site challenges.
• Ensure full adherence to local legislation, standards and technical specifications throughout the design process.
• Apply knowledge of local project development regulations, including construction permits, expertise/approval procedures and final permissions required for energizing (hot commissioning) HV systems.

Requirements:

• Electrical engineering degree.
• HV/MV substation design experience covering the full cycle from concept to detailed design, including support during construction and commissioning.
• Technical knowledge of substations, including physical layout and equipment arrangement in coordination with stakeholders and third parties.
• Electrical calculation expertise - equipment sizing, grounding/earthing grids, auxiliary services and short‑circuit studies.
• Understanding of HV project regulations - permits, expertise/approval procedures and final permissions for energizing HV systems.
• English language skills at minimum B2 level, Estonian language skills are a strong advantage.
• Organized, analytical and solution‑oriented personality, committed to delivering efficient and high‑quality technical outcomes.

What We Offer:

• Monthly gross salary €3,500–€4,500, with clear potential for growth as responsibilities expand and project phases progress.
• A secure role within a major European railway electrification programme, with an expected duration of up to 15 years.
• Direct involvement in one of Europe’s largest and most technologically advanced railway projects, shaping national infrastructure for decades ahead.
• Work with unique traction power supply systems, modern HV/MV substation technologies and innovative engineering tools not commonly available in the region.
• Join a diverse team of specialists from across Europe, gaining exposure to best practices, expert knowledge and cross-border engineering standards.
• Opportunities to deepen technical expertise, take on broader responsibilities and grow within a multidisciplinary engineering environment.
• A friendly, professional and solution‑oriented team that values knowledge sharing, innovation and high-quality engineering outcomes.

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