BESS Engineering Manager

About Enfinity Global

Enfinity Global is a purpose‑driven company focused on making a positive impact on the planet by helping companies, governments, and individuals transition to a carbon‑free and sustainable economy. Our role as a leading IPP is to develop, finance, build, operate, and own renewable energy assets in the long term in Europe, Asia, and the Americas through our offices in the USA, Spain, Italy, UK, Netherlands, India, and Japan.

Our team of over 400 Enfiniters comprises seasoned finance professionals, as well as experienced project developers and operators with extensive industry experience across all stages of the project life cycle. We pride ourselves on being creative and innovative solution providers to our customers and partners.

Job Description

We are seeking a highly motivated and experienced Senior BESS Engineer to lead the design, development, and integration of grid‑scale Battery Energy Storage Systems (BESS). The ideal candidate will have extensive technical expertise in renewable systems engineering and be responsible for driving projects from conceptual design through commissioning and operation. This role requires a deep understanding of BESS technologies, industry standards, and a proven ability to manage the technical aspects of equipment procurement and vendor selection.

Key Responsibilities

• Lead the electrical design of BESS projects, including the development of conceptual layouts, single‑line diagrams, load flow analysis, and control schematics.
• Oversee and provide technical support for procurement processes, ensuring alignment with project specifications and requirements.
• Develop detailed technical specifications and scopes of work for RFPs and tender documents.
• Evaluate vendor bids, perform techno‑economic comparisons, and select suitable technologies and equipment suppliers.
• Negotiate contracts, warranties, and supply terms with BESS suppliers, including batteries, inverters, and control systems.
• Collaborate with commercial and legal teams to ensure all supply contracts meet technical, quality, and budgetary requirements.
• Ensure all designs comply with applicable codes and standards such as NEC, UL 9540, NFPA 855, IEEE 1547, and local utilities / AHJ permitting requirements.
• Provide technical assistance throughout the project lifecycle, including cost estimates, submittal reviews, RFI responses, and construction/commissioning support.
• Coordinate with cross‑functional engineering teams to develop complete design packages.
• Model system behavior for performance, lifecycle, and resiliency scenarios using industry tools.

Requirements

• 3–5 years of professional experience in energy storage, power systems, or related fields, focusing on BESS design and integration.
• Proven procurement experience: writing technical specifications, evaluating bids, and negotiating contracts for BESS or related capital equipment.
• Bachelor’s degree in Electrical Engineering, Renewable Energy, or a related discipline (Master’s preferred).
• Proficiency with BESS components, including inverters, BMS, EMS, and PCS.
• Strong understanding of load flow, short‑circuit analysis, and protective device coordination.
• Proficiency with CAD software (AutoCAD preferred) and modeling tools such as PSCAD or ETAP.
• Excellent written and verbal communication skills in English, with strong negotiation abilities.

Preferred Qualifications

• Professional Engineer (PE) license or equivalent certification.
• Experience with microgrid design and control architectures.
• Ability to travel occasionally for site visits, client meetings, or field commissioning.

Benefits

• Private health insurance
• Pension plan
• Paid time off
• Work from home flexibility
• Training & development
• Performance bonus

Seniority level

• Associate

Employment type

• Full‑time

Industry

• IT Services and IT Consulting