Tractebel

Freelance/Project Based Commissioning Engineer- HV Projects (OHL & Substations)

Join Tractebel in Bucharest as a Commissioning Engineer for HV projects. Lead testing and validation of electrical systems like substations and OHLs. Enjoy flexible hybrid work, competitive salary, and growth opportunities within ENGIE Group.
Tractebel
Tractebel
Bucharest, Romania Hybrid Contract position UTC+02:00

Tractebel

Company Overview

Tractebel Engineering, a wholly owned subsidiary of the ENGIE group

Brussels, Belgium

1862

Approximately 5,000 employees worldwide (source: tractebel-engie.com).

What They Do

Tractebel specializes in engineering integrated solutions for renewable energy and sustainable infrastructure. Their expertise spans a wide range of technologies, including solar energy (ground-mounted, floating, and concentrated), wind energy, battery energy storage systems (BESS), as well as hybrid systems combining solar, wind, and thermal storage. They also provide strategy, pre-investment studies, implementation, and operational services, while developing proprietary digital tools like Wisogis for site optimization and AutoCFD for performance modeling (source: tractebel-engie.com). Tractebel stands out with over 60 years of experience in the renewable energy sector, with multidisciplinary teams capable of managing complex integrations and global and local market intelligence.

Projects and Background

Tractebel has a wide range of notable projects, particularly in hydropower due to its historical expertise from Coyne and Bellier. They also support the development of modular nuclear reactors, such as the LDR-50 from Steady Energy, which aims to provide heat at a levelized cost of less than €40/MWh, with construction planned by 2029 (source: steadyenergy.com). Tractebel is involved in over 100 countries, offering engineering services for renewable energy projects and solar yield optimization, although specific capacities of completed projects are not always detailed in public records.

Recent Developments

In the past two years, Tractebel announced that its climate goals have been approved by the Science Based Targets initiative (SBTi), validating its emissions reduction ambitions (source: tractebel-engie.com). In 2024-2025, they secured a major engineering contract with Steady Energy for the development of the LDR-50 SMR, including support for design and safety assessments for potential deployments starting in 2029 (source: steadyenergy.com). Tractebel continues to integrate digital tools into its projects, further reinforcing its commitment to innovation and efficiency.

Working with Them

Tractebel offers a variety of roles in engineering, project management, digital solutions development, and environmental studies. With a community of over 5,000 experts from more than 100 nationalities, the company emphasizes multidisciplinary teams and an ethical, innovative work environment (source: tractebel-engie.com). Offices are located in Brussels and several countries, including France, Brazil, Australia, Canada, Spain, Portugal, India, and South Africa, with a particular focus on recruiting renewable energy experts and nuclear engineers.


Last updated on Feb 23, 2026 | Report an issue

Job Description

Then join Tractebel, part of the ENGIE Group, and our 5,000 passionate experts around the globe, driven by shaping a more sustainable world every day. It's your chance to be a part of the adventure of the century: accelerating the energy transition - while enhancing people's lives through meaningful projects. Make your contribution to carbon neutrality in markets like nuclear, renewables, power & gas, electrical grids, hydropower & dams, water resources & supply, desalination, complex & high-tech buildings, transport infrastructures, and ports & waterways. Are you ready to make a difference? Then we look forward to meeting you!

What we offer

  • Tractebel is more than a place to work. It's your chance to evolve alongside top experts on impactful projects around the world. It's an environment built on team spirit, where you can reach your highest potential. Management actively supports the development of its people, and the opportunities for growth within the ENGIE Group are wide open.
  • At Tractebel, we value our employees and believe in rewarding hard work. Our competitive salary reflects your experience and expertise, while our comprehensive benefits package is designed to support your well-being and professional growth.
  • We understand the importance of work-life balance. That's why we offer flexible hybrid work options, giving you the freedom to split your time between our modern offices and the comfort of your home. This approach is tailored to help you maintain productivity while enjoying a more balanced and fulfilling professional life.
  • To celebrate our successes, and just have fun, we get together for team sports, afterworks, team-building activities, our annual party, and more.

Your Mission

As a Commissioning Engineer in our Energy team at Tractebel, you play a key role in validating the performance and safety of complex systems and installations across large-scale infrastructure projects. You ensure that all systems are tested, integrated, and ready for operation in accordance with technical specifications and quality standards.

Your key responsibilities

  • Plan and execute commissioning activities for electrical systems (e.g. substations, OHLs);
  • Perform functional testing, troubleshooting, and performance validation of installed equipment;
  • Collaborate with design engineers, contractors, and site teams to ensure technical compliance;
  • Prepare and review commissioning documentation, test protocols, and reports;
  • Monitor and verify system integration and operational readiness;
  • Support client handover processes and provide technical input during final acceptance;
  • Ensure compliance with safety, environmental, and quality standards throughout commissioning;
  • Participate in site inspections and provide technical assistance during installation phases;
  • Identify and resolve commissioning-related issues in coordination with project stakeholders.

We would love to hear from people with

  • Bachelor's or Master's Degree in Electrical or Power Engineering;
  • Proven experience in commissioning activities for energy or infrastructure projects;
  • Strong understanding of testing procedures, instrumentation, and system integration;
  • Familiarity with industry standards and safety regulations;
  • Proficiency in MS Office; knowledge of commissioning tools and platforms is a plus;
  • Availability for project-based work (contract duration depending on project timeline);
  • Fluency in English;

Who you are

  • You are detail-oriented and committed to delivering high-quality results;
  • You are proactive, analytical, and solution-driven;
  • You communicate clearly and collaborate effectively with multidisciplinary teams;
  • You maintain high standards of safety and technical excellence;
  • You thrive in dynamic environments and adapt quickly to project requirements.

Who we are

Our top priorities are people, ethics, safety, and sustainability. With Tractebel, you are uniquely positioned to make a positive impact on global net-zero targets. The driving force behind reaching these goals is our greatest asset: you. Our people come first, and our strength is in our diversity. Because diversity leads to fresh perspectives that drive performance and innovation, we welcome all applicants and remain committed to an inclusive workplace.

Find out more about Tractebel, our activities and why you should join us here!

Please note:
This is a project-based position and the scope and responsibilities may be tailored to your expertise and the specific needs of the project.

At ENGIE, every talent has a role to play in accelerating the energy transition. Make a difference and enjoy a fulfilling professional experience. Take on exciting challenges and build a career path that reflects who you are. Join us and be part of the adventure of the century!

Apply now

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About the role

April 16, 2026

Contract position

Company

April 16, 2026

Hybrid

Hydropower , Smart Grid

Tractebel

tractebel-engie.com

  •  Bucharest, Romania

Proven experience in commissioning activities for energy or infrastructure projects

UTC+02:00