Fiber Optic Technician – Substation & Power Infrastructure Projects

Endiprev; Mortágua; On-site; EUR 40,000 - 60,000; Full time

Benefits offered by this job

Health insurance

Mental Health Support

Employee Assistance Program

Career development opportunities

International exposure

Job summary

Muehlhan Wind Service is seeking a Fiber Optic Technician to support installation, termination, and testing within energy infrastructure projects across Europe.

Based initially in Germany, the role follows a rotating schedule of 3 weeks on site and 2 weeks off in Portugal, offering international exposure, long-term stability, and development opportunities.

Join a safety-focused, multicultural team and contribute to the renewable energy transition.

Qualifications

• Proven fiber optic technician experience in energy/telecom environments.
• Experience with fusion splicing, termination and testing of fiber optics.
• Ability to read and interpret technical drawings and docs.
• Familiarity with OTDR and other testing equipment.

Responsibilities

• Perform fiber optic installation and assembly per project specs.
• Install, route, fuse splice, terminate and test fiber optic cables/equipment.
• Read and interpret technical drawings, schematics and project docs.
• Conduct fiber optic testing and document results.

Skills

Fiber optic tech experience

Fusion splicing

Termination and testing

Technical drawings reading

OTDR testing familiarity

Installation standards knowledge

Attention to detail

International/multicultural teamwork

English communication

Tools

OTDR testing equipment

Job description

Join Us in Powering the Future of Renewable Energy

Are you passionate about green energy and looking to be part of a dynamic, fast-growing international organization?

At Muehlhan Wind Service, we are driven by a shared ambition to support the global energy transition. Through the expertise, dedication, and commitment of our people, we deliver high-quality solutions that contribute to lowering the cost of green energy worldwide.

If you are looking for an opportunity to make a real impact, work alongside talented professionals, and grow your career in a thriving and purpose-driven environment, Muehlhan Wind Service could be the place for you.

Fiber Optic Technician – Substation & Power Infrastructure Projects

We are looking for experienced Fiber Optic Technicians to join our Grid & Substations team. This role will be responsible for supporting fiber optic installation, termination and testing activities within energy infrastructure projects across Europe.

About The Role

The Fiber Optic Technician executes fiber optic installation and maintenance activities, ensuring all work is performed according to technical specifications, safety regulations, and quality standards. Working as part of an international team, the Fiber Optic Technician supports the delivery of critical energy infrastructure projects that contribute to the expansion of renewable energy across Europe.

This position is, initially, based in Germany and operates on a rotational schedule of 3 weeks working on site followed by 2 weeks off in Portugal. This is a long-term project offering stability, professional development, and international exposure.

Key Responsibilities

• Perform fiber optic installation and assembly activities according to project specifications.


• Install, route, fusion splice, terminate, and test fiber optic cables and associated equipment.


• Read and interpret technical drawings, schematics, and project documentation.


• Conduct fiber optic testing using appropriate equipment and document test results.

Skills, Knowledge And Experience

• Proven experience as a Fiber Optic Technician in telecommunications, energy, industrial, infrastructure, or construction environments.


• Experience with fiber optic fusion splicing, termination, testing, and troubleshooting.


• Ability to read and understand technical drawings and documentation.


• Familiarity with OTDR testing and other fiber optic testing equipment.


• Knowledge of fiber optic installation standards and best practices.


• Experience in substations, energy infrastructure, or high-voltage projects is considered an advantage, but is not mandatory.


• High attention to detail and commitment to quality and safety standards.


• Ability to work effectively in an international and multicultural environment.


• Intermediate English skills are mandatory.


• Willingness to work on a rotational basis (3 weeks in Germany / 2 weeks in Portugal).

What We Offer

• Health insurance and Mental Health Support


• Employee Assistance Program (Workplace Options)


• Career development opportunities


• International exposure within a dynamic and fast-growing environment.


• Continuous training and development


• Long-term project with rotational schedule (3 weeks on / 2 weeks off)


• Travel and accommodation provided during rotations

Equal Opportunities Statement

Muehlhan Wind Services is committed to creating an inclusive and diverse workplace. We welcome applications from all qualified candidates and make employment decisions without regard to race, religion, gender, age, disability, sexual orientation, or any other protected characteristic.

Location: Mortágua, Portugal

Start Date: As soon as possible

About Muehlhan Wind Service

Muehlhan Wind Service (MWS) is a world-leading, full-scope independent service provider, specializing in wind turbine installation and Operations & Maintenance solutions for global wind energy clients.

Headquartered in Fredericia, Denmark, MWS is part of the Muehlhan Group, an international industrial services company based in Hamburg, Germany. With operations spanning multiple countries and business units, we deliver specialized solutions across the entire lifecycle of wind energy assets, both onshore and offshore.

Our expertise covers a wide range of services, including onshore and offshore installation, high-voltage and electrical services, blade inspections and repairs, statutory inspections, main component exchange, paint, special projects, manpower solutions, welding repairs, and more.

At Muehlhan Wind Service, our people are at the heart of everything we do. We are proud to foster a collaborative, international, and safety-driven environment where talented professionals can grow, make an impact, and contribute to the global transition towards renewable energy.

If you are passionate about working in a dynamic industry and want to be part of a team that is helping shape the future of sustainable energy, we would love to hear from you.

For more information, please visit www.muehlhan.com