POSITION SCOPE AND ORGANIZATIONAL IMPACT
Moss Energy is seeking a dedicated Commissioning Assistant Manager to lead and oversee the startup and delivery of utility-scale solar and battery energy storage (BESS) projects. This leadership role is responsible for supervising commissioning teams, managing onsite technical activities, and ensuring that all electrical systems meet safety, reliability, and performance standards prior to energization. The Commissioning Assistant Manager serves as a critical bridge between field execution and senior management to drive project completion.
ESSENTIAL JOB DUTIES AND RESPONSIBILITIES
EDUCATION AND WORK EXPERIENCE
This position requires frequent physical activity in both indoor and outdoor environments, including exposure to varying weather conditions. The employee is regularly required to stand, walk, climb, balance, stoop, kneel, crouch, and reach with hands and arms. The employee must be able to lift and carry materials weighing up to 50 pounds and may occasionally be required to handle loads exceeding that amount with assistance. The employee may be exposed to moving mechanical parts, elevated work areas, loud noise levels, and extreme temperatures. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this role.
JOB DETAILS
Moss is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Moss is the all-in-one spend management platform built for modern finance teams. We bring together corporate cards, invoice management, and reimbursements with real-time budgets, smart approvals, and automated accounting built in. Moss integrates seamlessly with popular ERP systems like DATEV, Xero, and Exact Online, as well as HRIS systems such as Personio, BambooHR, and HiBob.
Over 5000 businesses across Europe, including TicketSwap, CarWow, and Urban Sports Group, trust Moss to streamline spend and scale their finance operations. With €6.5B+ in spend processed annually, we help finance teams shift from manual tasks to more forward-thinking, strategic work. Whether you're managing spend across 5 or 500 employees, Moss gives you the visibility and automation you need to run finance, not spreadsheets.
Interested in helping build tools to make life easier for finance professionals? Join our teams in Berlin, Amsterdam, London, Talinn and Warsaw.