Lead Design Engineer – Battery Energy Storage Systems

About the role

Larsen & Toubro is seeking a Lead Design Engineer to drive the engineering of Battery Energy Storage Systems (BESS) for projects in Abu Dhabi. You will lead technical design, optimisation and delivery of high‑performance storage solutions within hybrid renewable energy schemes.

Key responsibilities

• Lead the design of battery systems, inverter architecture and integration with MV/HV substations.
• Perform system studies, root‑cause analysis and value‑engineering to maximise efficiency, reliability and cost‑effectiveness.
• Prepare technical specifications, tender documents, FAT test plans and review test reports.
• Conduct engineering reviews, quality‑assurance checks and approve design deliverables.
• Provide technical advice and on‑site support during construction, coordinating with civil, electrical and instrumentation teams.

Required profile

• 8–12 years of experience in BESS engineering, project delivery or consulting.
• Proven experience with battery chemistry, duty‑cycling, round‑trip efficiency and cycle‑life optimisation.
• Strong analytical skills and ability to develop and review technical specifications.
• Familiarity with hybrid renewable system design (solar PV, wind, storage).

Required skills

• MATLAB Simulink
• MATLAB Script
• ETAP
• HOMER
• Battery system design
• Battery inverter systems and logics (VAR mode, PF mode)
• Inverter design
• Integration with MV/HV substations
• Solar PV design
• Wind energy system design
• Heat ventilation and temperature‑rise calculations
• Panel architecture
• Control logic simulation