Commissioning Engineer – HVDC Systems (Primary & Auxiliary Power Supply)

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Candidate Profile

We are looking for a highly motivated Commissioning Engineer with strong experience in HVDC, high-voltage substations, and auxiliary power supply systems. The ideal candidate will have hands-on commissioning experience of primary equipment, protection and control systems, and substation auxiliary systems in complex energy infrastructure projects.

The candidate should be comfortable working on international construction sites, coordinating with engineering teams, equipment manufacturers, and project stakeholders while ensuring compliance with safety, quality, and project requirements.

Key Responsibilities

- Perform on-site commissioning and startup activities for HVDC auxiliary power supply systems, including: MSP and NSP distribution systems
- DC chargers and battery systems
- UPS systems
- Diesel generator interfaces
- Associated control and monitoring systems

- Execute commissioning, testing, and verification of primary high-voltage equipment such as: HV switchgear
- Power transformers
- Reactors/chokes
- Surge arresters
- Auxiliary transformers

- Conduct functional testing of protection, control, interlocking, and plant automation systems.
- Utilize Omicron test equipment for protection and commissioning activities.
- Perform testing, parameter verification, and troubleshooting of SIPROTEC 5 protection relays and associated control systems.
- Prepare, review, and maintain commissioning documentation including: Test procedures
- Commissioning reports
- Test protocols
- Red-markups and revision updates
- Final handover documentation

- Analyze test results, identify technical issues, and coordinate corrective actions with engineering and project teams.
- Ensure compliance with electrical safety regulations, HSE requirements, and site quality standards.
- Support project managers in schedule adherence, risk management, claim management, and continuous improvement initiatives.
- Coordinate with equipment manufacturers, engineering teams, and client representatives during commissioning and energization activities.
- Participate in domestic and international site assignments, including long-term commissioning projects and offshore installations when required.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Work Experience

Education

- Bachelor's Degree or higher in Electrical Engineering, Power Systems Engineering, Energy Technology, or a related discipline.

Experience

- Minimum 5 years of experience in commissioning, startup, or testing of HV/MV substations, HVDC systems, or power transmission projects.
- Proven experience in commissioning of primary and auxiliary power supply systems.

Technical Skills

- Strong knowledge of high-voltage substation equipment: Switchgear
- Power transformers
- Reactors/chokes
- Surge arresters
- Auxiliary power systems

- Experience with: SIPROTEC 5 protection relays
- DIGSI 5 engineering software
- Omicron CMC testing equipment
- Protection and control systems
- Network protection and interlocking systems
- Secondary circuit testing and troubleshooting

- Understanding of HVDC converter station systems and substation commissioning methodologies.

Certifications

- Certified Electrician / Electrical Specialist (EFK) or equivalent authorization.
- Valid driver's license.

Language Skills

- Good verbal and written English communication skills.
- German language skills are advantageous.