Senior Secondary Design Engineer (f/m/d)

Siemens Energy is seeking a Senior Secondary Design Engineer (f/m/d) to join their team in Sarajevo, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina. This role involves driving the design and execution of protection and control systems for high and medium voltage substations across global projects, combining advanced secondary engineering, detailed AC/DC calculations, and technical leadership. Join us to contribute to a more sustainable world and deliver high-quality, standards-compliant solutions.

Siemens Energy is a leading energy technology company committed to supporting the transition to a sustainable world. With a comprehensive portfolio covering the entire energy value chain, Siemens Energy plays a crucial role in power generation, transmission, and storage. The company employs approximately 106,000 people worldwide and is dedicated to innovation and decarbonization.

Apply now to make a difference at Siemens Energy and be part of a global team shaping the future of energy.

Company Overview

Siemens Energy is one of the world’s leading energy technology companies, working with customers and partners on energy systems for the future to support the transition to a more sustainable world. Their portfolio covers almost the entire energy value chain, including conventional and renewable energy technology. With a majority stake in Siemens Gamesa Renewable Energy, Siemens Energy is a global market leader in renewable energies, with its technologies used for an estimated one-sixth of the electricity generated worldwide. Siemens Energy employs 106,000 people in over 90 countries and generated revenue of around €39.1 billion in fiscal year 2025. Siemens Energy and Siemens Gamesa are preparing to transition to Omterra, a new independent brand.

Quick Details

• Salary Range: Not Applicable
• Job Type: Full-time
• Experience: 5 Year+
• Qualifications: bachelors-degree

Key Responsibilities

• Shape protection and control panel designs for HV substations, delivering circuit diagrams, assembly drawings, and detailed LV specifications.
• Develop core engineering documentation, including single line diagrams, communication network architectures, and protection block diagrams.
• Translate customer technical requirements into robust, standards-compliant engineering solutions that support successful project execution.
• Execute complex secondary engineering calculations covering AC/DC distribution systems, cable sizing, battery sizing, and equipment selection.
• Provide technical guidance throughout the project lifecycle, reviewing key deliverables, validating bills of material, and supporting multidisciplinary teams.
• Partner with customers, suppliers, and global engineering colleagues to resolve technical challenges and maintain project alignment.

Requirements

• Completed university degree in Electrical Engineering, Automation Engineering, or a related technical discipline.
• More than 8 years of experience in HV substation secondary engineering, including protection systems, calculations, and design coordination.
• Hands-on expertise with engineering tools such as AutoCAD, EPLAN, Engineering Base, ELCAD, or Caddy++.
• Strong knowledge of IEC and IEEE standards, combined with practical experience in AC/DC calculations, cable sizing, and battery sizing methodologies.
• Confident communicator in English who enjoys collaborating across international project teams and stakeholder groups.

Benefits

• The opportunity to engage in an exciting environment on meaningful projects.
• Career development opportunities.
• Supportive work culture.
• International environment.
• Flexible working times and home office opportunity.