Job description
We are looking for a dynamic O&M Site Manager 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 Manager, you will be responsible for leading and overseeing the safe, reliable and efficient operation and maintenance of the utility-scale PV plants within the regional cluster. This is a site-based role requiring regular travel between the plants within the cluster.The role reports to the Team Lead O&M Utility Scale Plants. The cluster comprises PV plants located across the Kozani and Grevena areas of Western Macedonia.
You can look forward to the following tasks:
- Lead and coordinate the day-to-day operation and maintenance activities across the regional cluster, ensuring compliance with company procedures, contractual requirements and plant performance targets
- Develop, implement and monitor the Facility Operation Plan, including preventive and corrective maintenance schedules, resources, planned outages and spare-parts management
- Work closely with the Team Lead O&M Utility Scale Plants to develop, implement and continuously improve operating procedures, maintenance processes and working practices
- Manage and support the multidisciplinary site team, including work allocation, training, competence, authorizations, performance and on-call coverage
- Coordinate closely with the Control Room to monitor plant performance, manage alarms and faults, and ensure timely troubleshooting, escalation and restoration
- Act as the primary site-level operational and technical point of contact for the Employer or Asset Manager, IPTO, OEMs, subcontractors and competent authorities, within delegated authority
- Ensure the effective implementation of HSE requirements, permit-to-work, LOTO, risk assessments, emergency arrangements and incident reporting across the cluster
- Monitor plant availability and recurring technical issues, coordinating root-cause investigations, corrective actions and continuous improvement initiatives
- Coordinate subcontractors and OEM service teams and oversee spare-parts availability, warranty and claim management, maintenance records and regular O&M reporting
- Provide management oversight across all PV plants within the cluster and coordinate the site team's stand-by and emergency-response arrangements, including management escalation when required
Your energy is required
You impress us with these qualifications:
- Degree or diploma in Electrical or Mechanical Engineering
- Minimum 7 years of relevant experience in power generation, energy or industrial assets, including utility-scale solar PV O&M experience and leadership of multidisciplinary site teams
- Strong knowledge of QHSE, maintenance planning, incident response, contractor management and technical reporting
- Good technical understanding of utility-scale PV plants, including trackers, inverters, MV stations, SCADA systems and plant-performance analysis
- Excellent organizational, leadership and communication skills, with the ability to coordinate technical personnel, subcontractors and external stakeholders
- Experience with MV/HV substations, grid-connection infrastructure, protection systems, switching coordination and communication with IPTO or another system operator will be considered an advantage
- OEM training or practical experience with utility-scale inverter and tracker technologies will be considered an advantage
- Fluent in Greek and English, with strong IT skills and a 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!
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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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