Core management role, dedicated to utility-scale energy storage, responsible for contract performance, customer operation and full-cycle project management.

Job Overview:

This role serves as the dedicated person-in-charge for LTSA (Long-Term Service Agreement) of the company’s utility-scale BESS (Battery Energy Storage System) business. You will fully oversee the commercial negotiation, clause implementation, contract performance, on-site operation and maintenance, risk control, customer relationship management and team management for all utility-scale BESS LTSA projects. Focusing on the full lifecycle services of grid-side, power supply-side and industrial & commercial large-scale energy storage power stations, you will take charge of core work including equipment maintenance, fault disposal, spare parts management and performance optimization. You need to ensure full compliance and KPI achievement of all ongoing LTSA projects, continuously improve customer satisfaction and project profitability, build a standardized and systematic LTSA service operation system, and support the long-term operation and secondary commercial value appreciation of the company’s existing energy storage projects.

Core Job Responsibilities:

Participate in the pre-bidding and commercial docking of utility-scale energy storage projects, lead the negotiation, customization and review of LTSA long-term service agreements. Accurately control core terms including service scope, service term, performance assessment indicators (availability rate, MTBF, MTTR), liability for breach of contract, spare parts guarantee and price adjustment mechanisms. Establish standardized LTSA contract and risk ledgers, clarify service scope boundaries, avoid performance risks, unify the company’s LTSA service standards and commercial caliber, and provide professional service plan support and technical & commercial consultation for the sales team.

2.Full-Cycle Project Performance & O&M; Management

Take full responsibility for the performance of new and existing LTSA projects, and oversee the full lifecycle operation and maintenance services after grid connection, including daily inspection, regular maintenance, equipment troubleshooting and emergency repair, PCS/EMS/BMS system debugging and optimization, battery cluster performance calibration, and thermal management system operation. Strictly implement contractual service standards, track core KPIs such as power station availability, system performance and fault repair timeliness, regularly deliver project performance reports and performance analysis reports, and ensure 100% compliant project performance to meet owner and grid assessment requirements.

3.On-Site Resource & Spare Parts System Management

Build a localized service system for utility-scale BESS LTSA projects, manage and dispatch on-site engineers, outsourced service providers and third-party O&M; teams nationwide, and standardize on-site operating procedures, safety specifications and service standards. Establish a complete mechanism for spare parts warehousing, allocation, replacement and inventory checking.



Accurately predict spare parts demand, control spare parts costs and logistics efficiency, solve on-site problems such as parts shortage, replacement and rework, ensure stable operation of power stations, and effectively reduce downtime and operation losses.

4.Fault Disposal & Technical Optimization

Lead the disposal of major and complex faults of energy storage projects, identify root causes, formulate rectification plans, preventive mechanisms and optimization strategies, and summarize standardized solutions through case review. Based on power station operating data, battery attenuation rules and system operating problems, collaborate with R&D;, engineering and quality teams to promote product iteration, program upgrade, structural optimization and O&M; process improvement, so as to continuously enhance the stability, safety and service life of energy storage power stations and optimize long-term project operation quality.

5.Customer Relationship & Satisfaction Management

Act as the core customer contact for LTSA projects, responsible for daily communication, monthly/quarterly O&M; reports and project review docking. Respond to customer demands in a timely manner, rectify existing problems and synchronize performance progress. Conduct regular customer return visits and satisfaction surveys, handle customer complaints and performance disputes, resolve cooperation divergences, maintain long-term and stable cooperative relationships, explore value-added service opportunities for existing projects, and support secondary contract signing and brand reputation building.

6.Team Management & System Construction

Responsible for the recruitment, daily management, skill training and performance appraisal of the LTSA service team, and build a professional long-term service and delivery team for utility-scale energy storage. Sort out and improve full-process LTSA service SOPs covering bidding scheme, performance management, on-site O&M;, fault handling, spare parts management, file archiving and risk control. Establish a standardized and replicable LTSA service operation system to continuously improve service efficiency and reduce O&M; costs.

7.Data Review & Cost Control

Regularly review performance data, O&M; costs, fault data and performance indicators of all LTSA projects, and deliver special review reports. Reasonably control project costs including labor, spare parts, travel and outsourcing expenses, optimize resource allocation, and improve the profit margin of each LTSA project. Summarize project performance experience, accumulate industry best practices, and optimize front-end LTSA commercial terms and service quotation systems.

Job Requirements

1.Education Background

Bachelor’s degree or above, major in Electrical Engineering,



Automation, New Energy, Power System, Energy Storage Engineering or related fields is preferred.

2.Work Experience

8+ years of working experience in utility-scale BESS delivery, operation and maintenance management; 3+ years of overall LTSA project management experience. Familiar with the full lifecycle performance process of large-scale energy storage projects. Candidates with working experience in leading energy storage integrators or new energy battery enterprises and proven experience in managing 100MWh/GW-level LTSA projects are highly preferred.

- Proficient in utility-scale BESS system architecture, familiar with the working principles, O&M; standards and fault handling logic of battery clusters, PCS, EMS, BMS, thermal management, fire protection and BOS auxiliary equipment; skilled in grid connection, performance testing and emergency repair of large-scale energy storage power stations.
- In-depth understanding of core LTSA clauses, performance standards, industry practices and assessment rules; capable of independent LTSA negotiation, service scheme formulation and performance risk control.
- Fully grasp core assessment indicators of energy storage projects including availability rate, MTBF, MTTR and battery attenuation, with rich experience in indicator optimization, fault review and risk management.
- Excellent in overall project planning, resource scheduling and cross-departmental collaboration; capable of managing multiple large-scale LTSA projects simultaneously and efficiently handling on-site emergencies and customer disputes.
- Experienced in team building and management; able to establish a standardized LTSA service system and empower the team to improve professional capabilities and performance efficiency.

4.Personal Qualities

- Able to work under high pressure, accept frequent nationwide business trips and on-site residency, and adapt to emergency repairs and holiday on-duty arrangements for energy storage projects.
- Strong customer communication, public relations and problem-solving abilities, rigorous logical thinking, high sense of responsibility and outstanding risk prediction awareness.
- Result-oriented, with excellent overall planning, optimization iteration and system construction capabilities.
- Familiar with power energy storage industry specifications, safety standards and grid acceptance requirements with solid compliance awareness.

5. Preferred Qualifications

- Proven experience in overall management of GW-level LTSA projects and business docking experience with grid corporations and state-owned energy enterprises
- Familiar with overseas LTSA service standards and international O&M; systems with overseas project performance experience
- Possess High-Voltage Electrician Certificate, energy storage system O&M; certificate, project management professional certificate or other relevant qualifications
- Successful practical experience in LTSA service system standardization construction, large-scale team management and project cost reduction and efficiency improvement

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📌 LTSA Service Director (España)
🏢 LONGi Energy Storage
📍 España