Engineer- High Voltage Sub-station Secondary Design - Onshore Offshore

COWI; Gurugram District; Hybrid; INR 1,800,000 - 2,400,000; Full time

Job summary

COWI seeks an Electrical Extra High Voltage Engineer (Substation, Secondary Design) to join our Chennai/Gurgaon team on a hybrid basis. The role covers onshore/offshore substation secondary engineering up to 400 kV for AIS and GIS facilities, with engagement across FEED, detailed and tender design stages.

You will prepare SLDs, protection schemes, and wiring diagrams, while coordinating with global clients and internal teams.

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering.
• Strong experience in HV/EHV substation secondary engineering and Protection & Control up to 400 kV (AIS/GIS).
• Experience in relay settings and protection coordination across schemes (line, transformer, busbar, differential, earth fault).
• Familiarity with protection systems/tools: Siemens DIGSI, ABB PCM600, GE EnerVista, SEL AcSELerator, Micom Easergy Studio.
• Proficiency in electrical design tools such as SEE Electrical and EPLAN; exposure to Digital Substations is an advantage.
• Good knowledge of IEC, IEEE, IS, EN/BS, CIGRE, CBIP standards and safety requirements.

Responsibilities

• Deliver secondary engineering and Protection & Control design for onshore/offshore AIS and GIS substations up to 400 kV.
• Prepare and review SLDs, protection schematics, wiring diagrams, interlocking schemes, cable schedules, SCADA BOM/BOQs.
• Perform relay sizing, protection coordination studies, and voltage drop/cable sizing calculations.
• Prepare technical specifications and evaluate supplier offers for protection relays and substation equipment.
• Review client requirements and prepare technical offers, clarifications, deviations, and tender documentation.
• Coordinate with project teams and clients to ensure quality and compliance.

Skills

HV/EHV substation design

Protection & Control

Relay settings

Protection coordination

2024 tools: DIGSI/PCM600/Enervista/Eas

Education

Bachelor’s or Master’s degree in Electrical Engineering

Tools

Siemens DIGSI

ABB PCM600

GE EnerVista

SEL AcSELerator

Micom Easergy Studio

SEE Electrical

EPLAN

EBASE

Job description

Job Description:

Extra High Voltage Engineer (Substation, Secondary Design) - Onshore/ Offshore

Chennai/Gurgaon (Hybrid)

Permanent

Are you passionate about HV/EHV Electrical substation secondary engineering and contributing to the future of energy? Would you like to work on HV/EHV substation projects across the globe with international clients? Do you want to support the development of future HV substation projects? Are you an Electrical Engineer with expertise in EHV design? Then an EHV Engineer position is for you!

Join our Industry and Energy Team in Chennai/Gurgaon

We are part of the Renewables department, consisting of 200 enthusiastic colleagues working from India, Denmark, Germany, Norway, South Korea and Taiwan, while collaborating closely with colleagues in the United Kingdom. We have a proven history of making wind energy solutions possible even under the most complex conditions. We are part of COWI's International business line, we embrace cultural diversity and highly value our social and friendly environment. Since 1980, we have been involved in more than 1,000 wind power projects in 70 countries.

COWI’s HV/EHV business is rapidly growing, and we are looking for an Electrical Extra High Voltage Engineer (Substation, Secondary Design) to join our team.

• Deliver secondary engineering and Protection & Control design for onshore/offshore AIS and GIS substations up to 400 kV, from concept and FEED through detailed and tender design.


• Prepare and review SLDs, protection and control schematics, AC/DC diagrams, wiring diagrams, interlocking schemes, cable schedules, SAS signal lists, SCADA architecture and BOM/BOQs.


• Perform engineering calculations and studies, including relay settings and protection coordination, CT/VT sizing, AC/DC load studies, battery/DG sizing, voltage drop, and cable sizing.


• Prepare technical specifications and evaluate supplier/vendor offers for protection relays, SAS, LVAC, DC systems, and associated substation equipment.


• Review client requirements and prepare technical offers, clarifications, deviations, and tender documentation.


• Coordinate with primary engineering, project teams, site teams, clients, and suppliers to manage interfaces, resolve technical queries, and ensure quality and compliance.

Your Skills, Our Team. Together we design the future.

The first step to success in this role is that you are eager to collaborate with the people around you, whether they are colleagues, partners, or customers. Developing ties with others is something you do by acting respectfully and delivering on your promises. And you never get set in your ways but keep exploring new insights and ways to improve.

Furthermore, you are required to have:

• A Bachelor’s or Master’s degree in Electrical Engineering with 8–15 years of relevant experience.


• Strong experience in HV/EHV substation secondary engineering and Protection & Control up to 400 kV, covering AIS and GIS substations.


• Sound knowledge of protection schemes including line, transformer, busbar, distance, differential, overcurrent, earth fault, and breaker failure protection.


• Experience in relay settings, protection coordination, relay configuration, logic implementation, and testing.


• Familiarity with leading protection systems and tools such as Siemens DIGSI, ABB PCM600, GE EnerVista, SEL AcSELerator, or Micom Easergy studio.


• Proficiency in electrical design tools such as SEE Electrical, EPLAN, or EBASE; exposure to Digital Substations is an advantage.


• Good knowledge of relevant IEC, IEEE, IS, EN/BS, CIGRE, CBIP and applicable T&D standards and safety requirements.


• Experience across concept, FEED, detailed and/or tender engineering, with strong technical coordination skills.

Excellent written and spoken English, with the ability to communicate effectively with clients, suppliers, and multidisciplinary teams.

A place to work and so much more

At COWI, we work together with our customers to shape a sustainable and liveable world. We do it by applying our knowledge and curiosity – and sometimes even our courage – to create the solutions the world needs today to enable a better tomorrow. We support our customers’ transition towards increased sustainability. We strive to lead by example by embedding environmental management, social responsibility and good governance into our business practices and the options we provide to our customers.

We value differences and development and cultivate an environment of belonging and having fun. Because that is what brings out the best in you, at work and at home.

With offices primarily located in the Nordic region, the UK, North America and India, we are currently more than 7,500 people who bring their expertise in engineering, architecture, energy and environment into play.

Got more questions?

Get to know us even better at our website, www.cowi.com, where you can learn more about our projects, our strategy, what we want to achieve and what life is like at COWI.

Equal opportunity employer

COWI provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to ethnicity, color, religion, gender, national origin, age or disability. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.