Senior Electrical Commissioning (High Voltage)

Fashion Institute of Design & Merchandising; Sines; Presencial; EUR 90 000 - 130 000; Tempo integral

Resumo da oferta

HDR is seeking a Senior Electrical HV Commissioning Engineer to support the Lead Commissioning Authority on high‑voltage commissioning, energisation and IST activities for data centre or mission‑critical projects. You will work with utilities, HV contractors and site teams to ensure safe, compliant HV activities.

The role requires extensive HV experience, strong knowledge of protection schemes, and the ability to lead or coordinate HV commissioning tasks on complex facilities.

Qualificações

• Extensive HV electrical experience in utilities, data centres, or industrial infra.
• HV commissioning, energisation, protection testing, and switching knowledge.
• Strong safety and risk management in live HV environments.

Responsabilidades

• Support HV commissioning activities and energisation on data centre projects.
• Act as HV SME during HV switching, protection testing, fault testing, and IST scenarios.
• Coordinate with utilities, contractors, and site teams to plan HV activities.
• Review HV switching programmes, method statements, and energisation procedures.
• Lead or support HV documentation, test evidence, and handover records.

Conhecimentos

HV switching

Electrical safety

Protection testing

Energisation planning

L4/L5 IST testing

Stakeholder coordination

Reading protection schemes

On-site commissioning

Formação académica

Electrical engineering degree

HV switching qualification

Authorised Person qualification

Ferramentas

Microsoft Office

Descrição da oferta de emprego

Senior Electrical Commissioning (High Voltage) - ( 194806 )

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story: ' https://www.hdrinc.com/our-story' Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

The Senior Electrical HV Commissioning Engineer will support the Lead Electrical Commissioning Authority on all high-voltage commissioning, energisation, switching, protection testing, and IST activities on data centre or other mission-critical projects.

Key responsibilities include:

• Support the Lead Electrical Commissioning Authority on all HV-related commissioning activities.
• Act as the HV subject-matter expert during energisation, switching, protection testing, fault testing, and IST scenarios involving HV systems.
• Work closely with utilities, HV contractors, protection engineers, vendors, and site teams to coordinate HV commissioning activities.
• Ensure HV activities are carried out safely, correctly, and in line with approved procedures, method statements, switching programmes, and site rules.
• Challenge unsafe, unclear, or poorly sequenced activities when required.
• Support commissioning activities related to MV / HV incoming supplies, HV switchgear, transformers, protection relays and schemes, HV/LV interfaces, and HV earthing systems.
• Be on site for HV commissioning, energisation, switching, and fault testing activities.
• Review and support approval of HV switching programmes, method statements, and energisation procedures.
• Support the production and execution of L2 and L3 pre-functional and functional HV checklists.
• Review contractor HV test evidence, certificates, inspection records, and commissioning results.
• Support execution of L4 functional testing involving HV systems.
• Review switching procedures, protection logic, interlocks, alarms, trips, and fail-safe behaviour.
• Support Level 5 Integrated Systems Testing, particularly where tests involve HV faults, trips, loss of supply scenarios, black-start sequences, or restoration logic.
• Provide HV technical input to IST risk reviews, sequencing decisions, test readiness, and go / no-go discussions.
• Support primary injection testing, secondary injection testing, protection relay testing, and end-to-end trip testing.
• Maintain clear control, communication, and coordination during live HV works.
• Escalate technical, safety, or sequencing concerns immediately if something does not feel right.
• Operate strictly within HV safety rules, permit-to-work requirements, switching control procedures, and site safety processes.
• Act as an HV safety lead within commissioning activities where required.
• Ensure correct isolation, earthing, permit control, switching control, and role clarity during switching, energisation, and fault testing.
• Stop work immediately if safety is compromised.
• Support compilation of HV commissioning records, test results, protection settings, snag items, and handover documentation.
• Support operational training and handover activities related to HV systems.
• Assist with final readiness reviews and sign-off for live operation.

Required Qualifications:

• Minimum 8–10 years of experience working with HV electrical systems in utilities, data centres, power generation, industrial infrastructure, or similar environments.
• At least 4–5 years of direct involvement in HV commissioning, energisation, protection testing, or switching activities.
• Strong experience supporting or leading HV energisation, protection testing, fault testing, and trip testing.
• Real site experience controlling or directly supporting HV switching activities; observer-only experience is not sufficient.
• Electrical engineering background or equivalent technical experience.
• HV authorisation or switching qualification appropriate to the project region.
• Experience as an Authorised Person, Senior Authorised Person, or equivalent role depending on project and country requirements.
• Strong understanding of HV system operation and protection.
• Practical experience with MV / HV incoming supplies, HV switchgear, transformers, protection relays, protection schemes, and HV/LV interfaces.
• Understanding of relay schemes, protection coordination, transformer operation, transformer protection, and electrical system restoration.
• Ability to read, review, and challenge protection philosophies, relay settings, switching sequences, method statements, and energisation plans.
• Understanding of how HV failures impact overall facility operation, including data centre resilience and integrated system behaviour.
• Experience supporting L4 functional testing and L5 IST scenarios involving HV systems.
• Ability to operate calmly and safely during high-risk HV activities.
• Clear communication skills during switching, energisation, fault testing, and live electrical works.
• Confidence to challenge contractors, utilities, vendors, or programme pressure when safety or technical quality is at risk.
• Safety-first mindset with no tolerance for shortcuts during HV works.
• Ability to work under the direction of a Lead Commissioning Authority while owning the HV technical space.

Preferred Qualifications:

• Previous experience on data centre or other mission-critical commissioning projects.
• Experience supporting IST where HV failure scenarios are deliberately introduced.
• Experience with black-start, restoration logic, loss of supply testing, and facility-wide failure recovery testing.
• Experience coordinating directly with utilities during energisation and switching activities.
• Experience reviewing and validating protection relay settings, trip logic, interlocks, alarms, and fail-safe behaviour.
• Experience supporting operational readiness reviews and final sign-off for live HV operation.
• Familiarity with BMS, EPMS, generator systems, UPS systems, and downstream LV system impacts during HV events.
• Commissioning certification such as CCP, ACP, or equivalent.
• Experience supporting client training, operational handover, O&M reviews, and as-built documentation.

What We Believe HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees. #LI-MW4

Required Qualifications

• Associate's degree in a related fieldor equivalent experience
• Experience with Microsoft Office
• An attitude and commitment to being an active participant of our employee-owned culture is a must
• Sponsorship (visa) for US employment authorization is not available now or in the future for this position

What We Believe HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Primary Location

PT-Sines

Other Locations

Portugal, PT-Sines-Sines

Schedule

Full-time

Employee Status

Regular

Job Posting

Jul 30, 2026

At HDR, we are committed to the principles of employment equity.

We are an Affirative Action and Equal Opportunity Employe r.

We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

Ready to learn more? Let's work together to make great thingspossible.

We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.