Senior Protection & Secondary Design Engineer (Medium Voltage) (m/f/d)

About us

We are working with a well-established engineering organisation seeking an experienced Senior Protection & Secondary Design Engineer specialising in Medium Voltage (MV) systems .

In this role, you will take ownership of protection system design and secondary engineering , supporting projects end-to-end — from initial concept through to commissioning.

This is a highly technical position suited to someone with strong expertise in power system protection, relay configuration, and schematic design .

Tasks

Key Responsibilities

• Design complete protection schemes for MV systems, including feeders, transformers, generators, and switchgear
• Develop detailed secondary schematics in line with project specifications and industry standards
• Select appropriate protection relays based on system studies and project requirements
• Configure, parameterise, and commission protection relays
• Carry out relay testing including functional testing, secondary injection, and commissioning tests
• Specify and select Current Transformers (CTs) and Voltage Transformers (VTs) for protection and metering
• Ensure compliance with international standards (IEC, IEEE) and client specifications
• Prepare and review technical documentation, protection philosophies, and drawings
• Support troubleshooting, fault analysis, and system optimisation
• Provide on-site support during commissioning and project delivery when required
• Collaborate closely with multidisciplinary teams including project managers, primary engineers, and commissioning teams

Profile

Your Profile

• Extensive experience in power system protection engineering, particularly within Medium Voltage environments
• Strong background in secondary design and protection scheme development
• In-depth knowledge of protection relays and leading manufacturers
• Hands‑on experience with relay testing and commissioning
• Solid understanding of CT and VT selection and sizing
• Proficiency in schematic design tools such as:
  • EPLAN
  • AutoCAD
  • Experience with Elecdes is a strong advantage
• Ability to work independently and take ownership of technical decisions
• Strong analytical and problem‑solving skills
• Willingness to travel to project sites as required
• Fluent in English and German (written and spoken)

Experience Required

• 7–10+ years of experience in protection engineering and secondary system design (MV level)

We offer

What’s on Offer

• Opportunity to work on complex and high-impact energy projects
• End-to-end involvement across design, testing, and commissioning
• Flexible working environment with project-based travel
• Long-term stability within a growing engineering organisation