Job description
We are looking for a talented O&M Mechanical Site Engineer to be site-based for a cluster of Solar PV plants located across the Kozani and Grevena areas of Western Macedonia. You will join our growing Operations & Maintenance team successfully maintaining 300 megawatts (MW), and gladly adding more to this portfolio. Do you think innovatively, are a team player and have a passionate for sustainability. Does that sound like you? Then apply now. We look forward to getting to know you.
Your contribution to the energy transition
As our O&M Site Mechanical Engineer, you will be responsible for implementing the day-to-day operation and maintenance activities of the utility-scale PV plants within the regional cluster, with particular focus on tracker systems, mounting structures and associated mechanical infrastructure.The role reports to the O&M Site Manager. The cluster of projects comprise of PV plants located across the Kozani and Grevena areas of Western Macedonia. This is a site-based role requiring regular travel between the plants within the cluster, as well as participation in the applicable on-call and emergency-response rota.
You can look forward to the following tasks:
- Perform preventive and corrective maintenance, inspections and troubleshooting on tracker systems, mounting structures and associated mechanical infrastructure, in accordance with the Facility Operation Plan (FOP), approved procedures and OEM instructions
- Work closely with Control Room personnel and Electrical Site Engineers to respond to alarms, investigate faults and coordinate timely corrective actions and escalation
- Coordinate site services, subcontractors and OEM service teams, ensuring that work is completed safely, on time and to the required quality standards
- Support electrical activities where safe, permitted and within demonstrated competence, under the direction of an authorized Electrical Engineer, excluding switching, isolation, electrical testing and other activities requiring specific authorization
- Support spare-parts and warranty-claim activities and maintain accurate work orders, maintenance records, inspection results and technical documentation
- Ensure compliance with HSE, permit-to-work and LOTO requirements, participate in the on-call and emergency-response rota, and support different PV plants across the regional cluster according to operational needs
Your energy is required
You impress us with these qualifications:
- Degree in Mechanical Engineering
- Minimum 3 years of relevant experience in the construction, commissioning, operation or maintenance of PV plants, power plants or comparable industrial assets
- Experience in utility-scale PV O&M will be considered a strong advantage
- Ability to interpret drawings, layouts, OEM manuals, maintenance instructions and technical procedures
- Experience with MV/HV substations, grid connection and protection systems, utility-scale inverter and tracker technologies, plant performance analysis, root-cause analysis, and MV switching operations; MV switching authorization is an advantage
- Good IT skills and familiarity with MS Office and digital maintenance, ticketing or reporting systems
- Ability to remain in control and perform effectively under pressure and with limited supervision
- Good administrative, communication and reporting skills; team-oriented approach
- Good knowledge of written and spoken English and fluent Greek
- Valid driving license
You have more to offer? We will gladly consider it. You don't meet all the requirements? No problem. We look forward to receiving your application.
Your energy booster at JUWI
At JUWI, an inspiring working environment awaits you. Our flexible working conditions creates the space for you to integrate your work into your life:
- Company culture: a space for creativity and innovation
- International teams: collaborating and communicating continuously with teams across the JUWI group fosters professional growth in a culturally diverse environment
- Structured environment: benefit from well thought out processes and procedures within our ISO 9001:2015 certified matrix organization
- Professional development: access to a wide range of opportunities for advancing your career
- Smart working: working from home opportunities is part of our commitment to cultivating a healthy work-life balance
- Health insurance: we've got your back! Our private health insurance plan covers you
- Performance-based bonus: work toward your best performance, with your bonus also reflecting the region's performance
Our energy matches yours? Then apply for a job with us!
Ready for a dream job full of energy and opportunities? Then get started - you can start with a few clicks!
This is us - a strong team shaping the future
At JUWI, we stand for a sustainable and strong future for all of us. Our motto "Power of Our Unity. Sustainable. Together. Strong" permeates everything we do, from planning to implementation.
As a pioneer in the field of renewable energy, we develop innovative solutions to drive the transition to a sustainable energy supply. Our commitment to climate protection, community and economic progress is deeply rooted in our DNA.
We look forward to meeting you.
- Monique Cooper
- External Recruiting Consultant EMEA
Pay & benefits
About this role
About JUWI
Company Overview
JUWI GmbH, a subsidiary of MVV Energie AG
HeadquartersWörrstadt, Germany
Founded1996
SizeApproximately 1,350 employees in 8 countries (source: juwi.com). Revenue is not publicly disclosed as JUWI is privately held.
What They Do
JUWI focuses on onshore wind energy projects in Germany as well as large-scale solar photovoltaic systems worldwide. The company offers hybrid systems with storage solutions for industrial off-grid applications and comprehensive operations and maintenance services (O&M) (source: juwi.com). Services include project acquisition, planning, engineering, procurement, construction (EPC), financing support, and operational management for wind, solar, and battery storage systems. JUWI has implemented over 2,000 projects with a total capacity of more than 4,000 MW in solar and over 1,300 wind turbines with a total capacity of 3,000 MW (source: juwi.com). Target markets include Germany for wind and the USA, the Middle East, South Africa, Southeast Asia, and Australia for solar, serving a diverse range of customers including municipalities, businesses, farmers, and investors.
Projects & Track Record
JUWI has realized over 3,000 wind and solar plants worldwide with an installed capacity of 7,000 MW, generating 11 billion kWh annually, which corresponds to about 4 million German households (source: juwi.com). Notable projects include the 204 MW Kozani bifacial solar park in northern Greece, the 125 MW Pavant solar park in the USA, and the 86 MW Prieska solar park in South Africa. JUWI has also successfully completed significant wind projects such as the 145 MW Garop wind farm in South Africa and the 60 MW wind farm in Nebraska, USA (source: renewable-energy-industry.com). Currently, JUWI is working on a robust project pipeline in Colorado, USA, and has launched the world's largest solar hybrid project at a mining site in Egypt.
Recent Developments
In November 2025, JUWI announced a collaboration with FERALPI STAHL to develop wind and solar parks in the central and northern districts of Saxony for climate-friendly electricity production (source: renewable-energy-industry.com). In 2022, JUWI merged with Windwärts Energie GmbH and completed the largest bifacial solar park in Europe in Kozani, Greece. Additionally, the world's largest solar hybrid project at a mining site in Egypt was launched (source: juwi.com). Since 2021, JUWI has also expanded its O&M services to battery storage and continues to hold certifications such as ISO 9001:2015 and ISO 27001.
Working at JUWI
JUWI employs around 1,350 people in various roles, including project development, engineering, procurement, construction, operations and maintenance services, as well as financing and planning management (source: juwi.com). The company culture emphasizes passion, commitment, and responsibility of employees as drivers of success. JUWI offers a stable working environment within the MVV Group, which has over 30 years of experience in the industry (source: juwi.com). Employees work at various locations in Germany and internationally, with the main office located in Wörrstadt. However, specific benefits such as salaries or health plans are not publicly documented.
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