HV/MV Substation Engineer – Power Systems Design

About the role

ALTEN Morocco is seeking an experienced HV/MV Substation Engineer to design and document high‑voltage electrical systems for 110 kV / 15 kV substations. You will work with multidisciplinary teams to deliver reliable, standards‑compliant solutions for international clients in the energy sector.

Key responsibilities

• Develop and maintain high‑voltage electrical drawings and engineering documentation using Engineering Base (E‑Base).
• Create and update single‑line diagrams, wiring diagrams, terminal plans and interconnection schematics.
• Define and manage interfaces between switchgear, protection, control‑command systems and auxiliary AC/DC power supplies.
• Produce cable schedules, signal lists, equipment lists and other technical deliverables.
• Analyze customer requirements, ensure compliance with electrical standards and project specifications.
• Perform technical reviews, validate documentation quality and consistency.
• Assess design changes and evaluate impact on substation architecture.
• Support troubleshooting activities and conduct root‑cause analysis.
• Collaborate with project stakeholders throughout the project lifecycle.
• Prepare technical reports, meeting minutes and design documentation in English.

Required profile

• Master’s degree (BAC+5) in Electrical Engineering or Power Systems.
• 5–7 years of experience in HV/MV substation design.
• Strong knowledge of high‑voltage and medium‑voltage substations and electrical distribution systems.
• Experience with protection, control‑command and auxiliary power supply systems.
• Ability to analyze technical specifications and translate them into engineering deliverables.
• Familiarity with electrical standards and best practices.

Required skills

• Engineering Base (E‑Base) software.
• High‑voltage electrical drawing creation.
• Single‑line diagram and wiring diagram development.
• Terminal planning and interconnection schematic design.
• Protection system design.
• Control‑command system integration.
• Auxiliary AC/DC power supply knowledge.
• Cable scheduling and technical documentation.

What we offer

• Personalized career path within a high‑performance ecosystem.
• Ambitious skills development policy.
• Collaborative and meaningful work environment.