Operations and Maintenance Manager - BESS
Do you have experience in the Battery or Renewable Energy Sector?
Great! Please read on as we may have a role for you
As the O&M Manager you will lead the operation and maintenance activities for Battery Energy
Storage Systems (BESS) across multiple sites in Poland. This role is responsible for ensuring
high system availability, optimizing performance, managing maintenance teams and ensuring
compliance with safety and regulatory standards. The ideal candidate will combine strong
technical expertise with proven leadership and organizational skills to deliver operational
excellence.
Your tasks will include:
- Lead and manage all O&M activities for BESS assets, including preventive, corrective, and predictive maintenance programs.
- Develop and implement site operation plans, maintenance schedules, and performance optimization strategies.
- Manage and coordinate local technicians and service partners to ensure high-quality execution of maintenance works.
- Oversee inspection, testing, and maintenance of BESS systems
- Ensure up-to-date records of system software and firmware versions
- Act as the primary point of contact regarding O&M activities.
- Manage spare parts inventory, procurement, and logistics.
- Coordinate with the engineering and product development teams to provide field feedback and contribute to system improvements.
To be a good fit for the Operations and Maintenance Manager role, you will have:
- Degree or qualification in Electrical, Electro-Mechanical, or related engineering discipline.
- Certified to work safely on electrical sites - SEP Certification G1 E+D
- Proven experience in operations and maintenance management, preferably within renewable energy (solar, wind or Hydro) or power generation sectors
- Strong leadership and organizational skills, with experience managing teams
- Knowledge of HV/LV electrical systems, power electronics (inverters, converters, transformers)
- Proficiency in MS Office Suite and maintenance management tools.
- Very good command of the English language
- Willingness to travel to multiple sites and occasional international assignments.
Preferred Experience (Not Essential):
- Experience in Battery Energy Storage Systems (BESS) operation and maintenance.
- A strong understanding of IT subjects such as command line interfaces (CMD), remote desktop connections, networking (subnets, VLANs, static IP/DHCP), and MODBUS/TCP protocols.
- HV authorized person certification.
- F-Gas certification and HVAC maintenance knowledge.
- Familiarity with firmware/software management for control systems (e.g., SCADA, EMS, BMS).
- Experience with data-driven maintenance, predictive analytics, and performance optimization.
Reasons to join:
- Permanent contract
- Attractive salary and bonus package, reflecting your experience and qualifications
- Complete training provided, along with a company vehicle (for work use), mobile phone or SIM card, fuel card, and laptop
- Regular team-building activities and opportunities for professional development
- Become a member of a worldwide network of professionals
Sounds Interesting? Send us your CV by applying on this page.
The provision of personal data by you is fully voluntary and the basis for their processing is your consent. We have prepared some necessary information, you can find in document: "Information regarding the processing of your personal data". There you will find how your Personal Data is being processed and what your rights are in connection to this.
The personal data will be processed by Sowelo Consulting spółka z ograniczoną odpowiedzialnością with its registered seat in Cracow (LLC) registered in National Court Register (KRS) under no. 0000671136, our Employees and Subcontractors (jointly referred to as the Company).
/ October 1, 2025, Sowelo Consulting spółka z ograniczoną odpowiedzialnością spółka komandytowa ( limited partnership with KRS no. 0000680493 ) merged with Sowelo Consulting spółka z ograniczoną odpowiedzialnością ( limited liability company with KRS no. 0000671136 ). As of the merger date, all existing rights and obligations of the limited partnership were transferred to the limited liability company, based on the principle of general succession. /
Sowelo Consulting sp. z o.o. (LLC) is entered in the register of employment agencies under the number: 35288
Our candidate selection process relies entirely on human judgment. We explicitly avoid using automated screening algorithms or AI-driven scoring systems for any part of the assessment. Every single profile is reviewed personally by our experienced recruiters, ensuring a thorough and unbiased consideration of your fit.
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