Power Systems Engineer – BESS & Grid

Forte Renewables; Województwo mazowieckie; Hybrid; PLN 67,000 - 112,000; Part time

Job summary

Forte Renewables is looking for a Power Systems Engineer – BESS & Grid to strengthen our technical advisory team in the field of Battery Energy Storage Systems (BESS). In this role, you will conduct technical assessments of BESS projects on behalf of investors, developers, and financial institutions, with remote or hybrid work options and Poland preferred.

We offer approximately 20 hours per month with potential to expand involvement; cooperation is fully remote or hybrid, supporting

Qualifications

• University degree in Electrical Engineering, Power Engineering, Energy Systems, or a related technical discipline.
• At least 3 years of professional experience in power systems engineering, grid connections, or renewable energy, including hands-on experience with BESS projects.
• Knowledge of Polish electricity system, grid connection procedures (TSO/DSO), and applicable network codes.

Responsibilities

• Technical Assessment & Advisory: Conduct comprehensive technical reviews of BESS, solar PV, wind, and hybrid energy projects to identify key technical and commercial risks.
• System Architecture & Performance Assessment: Evaluate BESS design assumptions, performance parameters, and integration of BMS/EMS/SCADA systems.
• Grid Connection Assessment: Review grid connection conditions, agreements, and procedures for Polish TSOs/DSOs.
• Client Advisory & Reporting: Translate technical findings into clear due diligence reports and advisory materials for clients.

Skills

Power systems engineering

BESS

Grid connections

Technical due diligence

English (B2)

Education

Electrical Engineering (BSc/MSc) or related field

Tools

SCADA

BMS/EMS integration

Job description

Forte Renewables is a global renewable energy consulting firm specialising in wind, solar PV and BESS technologies. Our mission is to be an industry leader by providing best-in-class services tailored to the complex and diverse needs of our clients to ensure they achieve their project goals.

Since its founding in 2012, Forte has completed projects in 30 countries across five continents with our main offices in Amsterdam and Warsaw supported by regional offices in Ireland, Australia and France.

About the Role:

We are looking for a Power Systems Engineer – BESS & Grid to strengthen our technical advisory team in the field of Battery Energy Storage Systems (BESS).

In this role, you will be responsible for conducting technical assessments of BESS projects on behalf of investors, developers, and financial institutions.

Location: Remote / hybrid (Poland preferred)

Contract type: B2B

Time commitment: Approximately 20 hours per month, with a genuine opportunity to expand the scope of cooperation and increase working hours over time.

Key Responsibilities:

Technical Assessment & Advisory: Conduct comprehensive technical reviews of BESS, solar PV, wind, and hybrid energy projects to identify key technical and commercial risks.

System Architecture & Performance Assessment: Evaluate BESS design assumptions, performance parameters (efficiency, degradation, availability), single-line and three-line diagrams, and the integration of BMS, EMS, and SCADA systems.

Grid Connection Assessment: Review and interpret grid connection conditions, agreements, technical studies, procedures, and technical requirements applicable to Polish Transmission System Operators (TSOs) and Distribution System Operators (DSOs).

Client Advisory & Reporting: Translate complex technical findings into clear, practical technical due diligence reports and advisory materials for clients.

Requirements:

A university degree in Electrical Engineering, Power Engineering, Energy Systems, or a related technical discipline.

At least 3 years of professional experience in power systems engineering, grid connections, or renewable energy, including hands‑on experience with BESS projects.

Practical knowledge of BESS architecture, including battery cell chemistry and characteristics, Power Conversion Systems (PCS), BMS/EMS/SCADA integration, and operational limitations, supported by experience working with technical and design documentation.

Good understanding of the Polish electricity system, grid connection procedures (TSO/DSO), Polish Transmission and Distribution Grid Codes (IRiESP/IRiESD), and applicable network code requirements.

Ability to critically assess technical data, including validating technical assumptions underlying project financial models, identifying and clearly documenting technical risks, and effectively communicating findings and recommendations to clients.

English proficiency at B2 level or higher, enabling effective day‑to‑day communication in an international working environment.

Nice to Have:

Experience in technical due diligence, engineering consultancy, or technical advisory services, including cooperation with financial institutions involved in renewable energy project financing.

What We Offer:

Flexibility: Approximately 20 hours per month, with a genuine opportunity to increase involvement as our cooperation develops. This arrangement is designed to accommodate professionals who wish to combine the role with their own consultancy practice or other projects. Fully remote or hybrid cooperation, with considerable flexibility in organising working hours.

International Projects: Direct involvement in the technical assessment of energy storage and hybrid PV+BESS projects in Poland and across Europe, delivered for investors and financial institutions.

International Working Environment: Collaboration with an experienced, international team of renewable energy specialists.