Technical Solution Manager (Energy Storage)

LONGi Energy Storage; Cape Town; On-site; ZAR 600,000 - 1,200,000; Full time

Job summary

LONGi Energy Storage is seeking an experienced engineer to lead the design of grid-scale and standalone energy storage solutions in a Cape Town environment. You will develop integrated system architectures, assess grid integration challenges, and drive technical proposals from concept through delivery.

The role requires a strong background in power systems, high voltage engineering, and simulation tools, plus hands-on experience with utility-scale projects and cross-functional collaboration with

Qualifications

• Bachelor's degree or above in Power Systems, Electrical Engineering, High Voltage Engineering, or related fields
• Minimum 3+ years of experience in the energy storage industry
• Proven experience supporting utility-scale (100MWh+) energy storage projects is preferred

Responsibilities

• Lead the design of energy storage solutions across grid-side, generation-side (renewable + storage), and standalone/shared energy storage power stations
• Develop integrated system solutions covering PCS, EMS, BMS, and substation systems
• Analyze grid dispatch requirements and technical challenges in renewable grid integration
• Take the lead in large-scale energy storage project tenders
• Prepare technical proposals, including equipment selection, system topology design, and technical deviation analysis
• Ensure compliance, competitiveness, and technical excellence of proposals
• Evaluate system integration solutions for utility-scale storage projects
• Conduct electrical calculations and simulation analysis for various applications (frequency regulation, peak shaving, black start, etc.)
• Support sales teams in cost estimation and pricing strategy at project level
• Support project execution from design through construction and delivery
• Resolve technical issues related to electrical interfaces, communication protocols, and grid integration
• Track regional energy storage policies (capacity compensation, spot market rules, grid connection requirements, etc.)
• Analyze market dynamics and regional characteristics
• Contribute to white papers and technical roadmap reports for grid-side energy storage
• Develop technical documentation such as: Delivery & acceptance SOPs, Deliver technical training to sales and project teams to accelerate commercialization
• Benchmark leading competitors (e.g., Sungrow, HyperStrong)
• Conduct SWOT analysis and provide strategic insights
• Support product evolution in areas such as high-voltage cascade systems and liquid cooling technologies
• Excellent technical writing skills with the ability to produce structured, high-quality proposals and reports

Skills

Power Systems

Electrical Engineering

High Voltage

Education

Bachelor's degree in Power Systems / Electrical Engineering

Tools

PSCAD

ETAP

SCADA

Job description

• Lead the design of energy storage solutions across grid-side, generation-side (renewable + storage), and standalone/shared energy storage power stations
• Develop integrated system solutions covering PCS, EMS, BMS, and substation systems
• Analyze grid dispatch requirements and technical challenges in renewable grid integration
• Take the lead in large-scale energy storage project tenders
• Prepare technical proposals, including equipment selection, system topology design, and technical deviation analysis
• Ensure compliance, competitiveness, and technical excellence of proposals

3. Customized Project Development

• Evaluate system integration solutions for utility-scale storage projects
• Conduct electrical calculations and simulation analysis for various applications (frequency regulation, peak shaving, black start, etc.)
• Support sales teams in cost estimation and pricing strategy at project level

4. Full Lifecycle Technical Management

• Support project execution from design through construction and delivery
• Resolve technical issues related to electrical interfaces, communication protocols, and grid integration

5. Policy & Market Insights

• Track regional energy storage policies (capacity compensation, spot market rules, grid connection requirements, etc.)
• Analyze market dynamics and regional characteristics
• Contribute to white papers and technical roadmap reports for grid-side energy storage

6. Project Development Enablement

Develop technical documentation such as:

• Delivery & acceptance SOPs
• Deliver technical training to sales and project teams to accelerate commercialization

7. Competitive Analysis

• Benchmark leading competitors (e.g., Sungrow, HyperStrong)
• Conduct SWOT analysis and provide strategic insights
• Support product evolution in areas such as high-voltage cascade systems and liquid cooling technologies

Qualifications

• Bachelor’s degree or above in Power Systems, Electrical Engineering, High Voltage Engineering, or related fields
• Minimum 3+ years of experience in the energy storage industry
• Proven experience supporting utility-scale (100MWh+) energy storage projects is preferred

Technical Expertise

• Strong knowledge of primary and secondary electrical design for energy storage systems
• Familiarity with protection systems, grid compliance testing, and SCADA/communication protocols
• Experience with power system analysis; proficiency in simulation tools such as PSCAD or ETAP is a plus

Soft Skills

• Strong cross-functional collaboration and stakeholder management skills
• Ability to represent the company in technical reviews with grid operators, EPCs, and clients

Documentation Skills

• Excellent technical writing skills with the ability to produce structured, high-quality proposals and reports