Senior Project Developer

Voltiris; Lausanne; On-site; CHF 110,000 - 140,000; Full time

Job summary

Voltiris is seeking a Senior Project Developer to independently own behind-the-meter solar projects (PV + BESS) from early-stage assessment to commissioning, with a strong focus on technical planning. You will work with sales, engineering, and external stakeholders to ensure projects are technically and economically sound.

Ideal candidates have a Master’s in Electrical Engineering and 5+ years in renewable energy project development, with strong ownership across PV/BESS implementations.

Qualifications

• Master’s Degree in Electrical Engineering or equivalent.
• 5+ years in renewable energy project development.
• Experience with PV and/or BESS through construction.
• Strong technical and financial understanding of renewable energy projects.
• End-to-end ownership of multi-stakeholder projects.
• English required; German or Dutch fluent; French a plus.

Responsibilities

• Own solar PV and BESS projects from pre-feasibility through commissioning.
• Drive internal electrical planning (AC PV, BESS, grid connection).
• Lead grid connection applications, permitting, and utility coordination.
• Provide cost estimates and technical inputs for offers and models.
• Coordinate internal and external stakeholders (client, electrician, suppliers, utilities, partners).
• Lead technical and economic feasibility studies.
• Mentor the team and set up development processes as we scale.

Skills

Electrical Engineering

PV systems

BESS

Grid connection

Cost estimation

Project ownership

Stakeholder management

CAD

Python

English

German

Dutch

Education

Master’s Degree in Electrical Engineering

Tools

CAD (2D/3D)

Python

Job description

Mission

Voltiris develops solar energy solutions for agriculture, enabling the dual use of land for food production and clean energy. Recently ranked as the 4th top startup in Switzerland, we are scaling our project portfolio across Switzerland, France, and the Netherlands.

Role Overview

As Senior Project Developer, you will independently own behind-the-meter solar (PV + BESS) projects from early-stage assessment through commissioning, with a strong focus on technical planning. You will work closely with sales, engineering, and external stakeholders to ensure projects are technically and economically sound.

Key Responsibilities

• Own solar PV and BESS projects from pre-feasibility through commissioning, with minimal supervision

• Drive internal electrical planning knowledge (AC PV, BESS, Low-/Medium-Voltage grid connection)

• Lead grid connection applications, BESS permitting, and utility coordination

• Provide quote-backed cost estimates and technical inputs for offers and financial models

• Coordinate internal and external stakeholders (client, electrician, suppliers, utilities, partners)

• Lead and challenge technical and economic feasibility studies

• Act as technical sounding board and mentor for the team

• Set up and own project development processes and standards (stage gates, handovers) as we scale

Skills & Qualifications

• Master’s Degree in Electrical Engineering or equivalent hands‑on experience (grid connection, PV systems, electrical design) – required

• 5+ years in renewable energy project development, with PV and/or BESS projects taken through construction incl. strong technical ownership

• Deep practical knowledge of how projects are built and what they cost

• Strong technical and financial understanding of renewable energy projects

• Proven end‑to‑end ownership of complex, multi‑stakeholder projects

• Proficiency in English (required); Fluent German or Dutch (required); French (a plus). Experience with CAD (2D & 3D) or scripting (e.g. Python) is an advantage

What We Offer

• Senior ownership and autonomy from day one

• Exposure to projects across Switzerland and Europe

• Competitive salary and benefits

• Fast‑moving, entrepreneurial team environment

Education: Bachelor/Master/PhD. Languages: Deutsch (fluent), Englisch (professional), Niederländisch (professional)