Assistant Plant Controller

Power Solutions International • Darien, Wisconsin • Full Time

Posted on Wed, May 6, 2026

Description

Salary Range: $100,000 - $120,000 + bonus 

Power Solutions International (PSI) is a leader in large gen-set packaging and enclosures. We provide turnkey, custom power packages that integrate alternators, cooling systems, controls, switchgear, cabling, and protection, delivered as containerized, skid, or walk-in solutions. Our team manages the full lifecycle from application engineering and 3D design to structural fabrication, wiring and piping, sound and thermal management, code compliance, factory acceptance testing, and site support. With scalable production capacity and disciplined program management, PSI delivers repeatable quality and reliable performance on complex builds for mission-critical and industrial applications worldwide.

Position Summary: 

Under the direction of the Controller the Assistant Plant Controller will provide assistance to the Controller in preparing and reporting financial statements conforming to principles of accounting and regulatory requirements.  

Essential Duties & Responsibilities:  

Requirements:

PSI offers a wide range of benefits from medical, dental, and vision to pet insurance as well as discounted prescription plans. Additionally, we also provide a 401k match, life insurance and AD&D, short- and long-term disability, and an employee assistance program. Come join our team and learn more about PSI and what we have to offer!  

Power Solutions International/3Pi is an EEO disability/vet company offering a drug-free workplace. We celebrate diversity and are committed to creating an inclusive environment for all employees.  


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