BESS Project Engineer

About Us

Zelestra (formerly Solarpack) is a multinational platform fully focused on multi-technology renewables with a vertically integrated business model focused large-scale renewable projects in rapidly growing markets across Europe, North America, Latin America, Asia, and Africa.

Headquartered in Spain, Zelestra has more than 1.000 employees worldwide and is backed by EQT, one of three largest funds in the world with $200B in assets.

At Zelestra we aim to be a solid and solvent company, capable of executing quality and valuable projects for the society and the environment.

Therefore, we maintain a firm commitment to contribute directly to the social development of the communities and markets in which we operate, not only through the creation of economic value, but also through the generation of quality employment and through the social projects we promote.

Our purpose is to change the world by making decarbonization a reality for our partners.

Location

Rome - Italy

Mission

We are looking for a BESS Project Engineer to join the Engineering team, within its BESS unit, on our utility-scale battery storage projects in Italy, part of a pipeline of more than 1 GW moving into construction from 2027. Working side by side with the BESS engineering team, you will bring together all engineering disciplines (electrical, civil, grid connection, control, safety) to deliver a coherent, compliant and buildable design package on schedule. A hands-on role with real technical substance and visibility across the full project cycle, from tender to handover.

Responsibilities

• Engineering Coordination: own the engineering deliverables plan, coordinate internal discipline engineers and external design houses into a single design package, manage interfaces (grid connection, PV side on hybrid sites, civil and BOP), run design reviews and escalate decisions requiring design authority as option analyses.


• Technical Content & Quality: check and consolidate BESS design (layouts, single-line diagrams, protection and earthing, PCS, HVAC, fire protection), verify compliance with specifications, Terna Grid Code, CEI 0-16 and fire safety requirements, and maintain the technical baseline and change log.


• Contractor, Supplier & Site Interface: review integrator, EPC and BOP designs and track comments to closure, handle RFIs and non-conformities quickly during construction, and support FAT/SAT, commissioning, performance testing and handover to O&M.


• Procurement, Schedule & Permitting Support: support tenders (technical scope, specifications, bid comparison), feed engineering status and risks into the project schedule, and prepare technical documentation for permitting and fire authorities.

Job Requirements

• Education: degree in Electrical or Energy Engineering (Mechanical or Civil with strong electrical exposure accepted).


• Experience: at least 6 years in utility-scale power plant engineering, of which 2-3 on BESS or HV/electrical-heavy projects.


• Coordination: proven experience coordinating multiple engineering disciplines and external designers while holding deliverable dates.


• Technical Skills: ability to read and challenge BESS electrical design (single-line diagrams, protection coordination, PCS and integrator architectures, auxiliary systems).


• Grid Connection: working knowledge of Terna Grid Code, CEI 0-16 and the connection process.


• Languages: fluent Italian and professional English.


• Desirable: BESS fire safety and fire authority interface; hybrid PV and storage projects; commissioning and performance testing on operating plants; document control on large EPC projects.


• Soft Skills: coordinating without authority, technical credibility, closing open points rather than letting them age, and a site-oriented mindset; comfortable on site and in front of contractors, available to travel regularly.

What we offer

Employment Terms

• Permanent Employment Contract


• National Collective Labour Agreement (CCNL): Italian National Collective Labour Agreement for Employees in the Electricity Sector


• Job Grade: In line with the applicable collective agreement


• Minimum Gross Annual Base Salary: € 50.000


• A higher compensation package may be considered based on the candidate's experience, distinctive skills, and the value they bring to the role. 
   

Benefits

• Private health insurance


• Meal vouchers


• Hybrid working policy - 9 remote working days per month 
   

Working Environment

• A strategic, high-impact role within Zelestra's ambitious growth journey.


• A dynamic, innovative, and merit-driven work environment.


• Opportunities for professional growth and career development within a fast-growing multinational company, working alongside a highly qualified and international team. 
   

Diversity, Equity & Inclusion

At Zelestra, we are committed to fostering an inclusive workplace where diversity is valued and equal opportunities are promoted. We welcome applications from all qualified candidates, including individuals belonging to protected categories under Italian Law 68/99.

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