BESS System Architect

Hitachi

. As a BESS System Architect, you are the technical authority for end-to-end Battery Energy Storage System architecture.

Posted 5/6/2026full-timeGenoa • 🇮🇹 ItalySeniorLeadWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

As a BESS System Architect, you are the technical authority for end-to-end Battery Energy Storage System architecture.
Define, maintain, and evolve the end-to-end BESS system architecture from grid to cell, including EBoP, PCS, batteries, protection, automation, software, and services.
Act as architectural backbone for R&D projects, ensuring technical coherence during development and integration.
Own the system architecture framework, reference models, and design principles for GPQSS BESS solutions.
Author and maintain architecture and system specification documents aligned with GPQSS standards.
Lead system-level requirement definition, ensuring traceability across disciplines and lifecycle phases.
Identify and manage cross-domain dependencies (electrical, mechanical, control, software, cybersecurity, services).

Requirements

What you’ll need

Master’s degree or PhD in Engineering, Power Systems, Control Engineering, or equivalent.
Minimum 10 years of experience in Battery Energy Storage Systems or closely related grid-scale energy systems.
Principle / Senior Principal Engineer level technical seniority and credibility.
Proven experience in defining complex system architectures and writing high-level architecture and system specification documents.
Deep understanding of BESS components: batteries, PCS, EBoP, protection, automation, EMS, SCADA, and digital services.
Solid knowledge of grid codes, grid-forming and grid-following concepts, and power system studies (RMS and EMT).
Experience working in multidisciplinary R&D environments and complex international projects.
Excellent communication skills, with the ability to explain complex concepts to diverse stakeholders.
Experience with modularization, pre-engineering, and scalable system design.
Exposure to lifecycle- and service-oriented BESS architectures.
Familiarity with competitor analysis, technology scouting, and roadmap definition.
Knowledge of international standards and certification processes (IEC, IEEE, UL).
Strategic mindset balancing short-term delivery needs with long-term innovation.

Benefits

Comp & perks

Opportunity to work with fantastic people and develop yourself on projects that present great technical challenges and have a real impact.
Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability.

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Hard Skills & Tools

Battery Energy Storage Systemsgrid-scale energy systemssystem architecturearchitecture specification documentsBESS componentsgrid codespower system studiesmodularizationscalable system designlifecycle-oriented architectures

Soft Skills

communication skillsstakeholder engagementstrategic mindsetleadershipcross-domain dependency managementtechnical coherencerequirement definitionproblem-solvingcollaborationinnovation

Certifications

Master’s degree in EngineeringPhD in EngineeringIEC certificationIEEE certificationUL certification