Today, On-Board is a thriving privately held family of companies with services including: Consulting, Professional Engineering, Industrial Maintenance and Facility Management, Contracted Manufacturing and Production Services, as well as Temporary Staffing and Recruiting throughout North America. Essential Duties and Responsibilities: Maintain, install and troubleshoot process equipment systems comprised of pumps, agitator, heat exchangers, tanks, reactors, piping systems, valves, and other mechanical systems.