Tomahawk, Kentucky Work arrangement: Project-based contract; onsite involvement required. Flexible scheduling, including evenings and weekends. We're developing a compact tracked equipment platform and need an experienced hydraulic systems designer or engineer to help take the hydraulic system from component selection through installation and testing. We want someone who can visit our shop, work directly with our team, and provide guidance around the actual machine. Our team will handle the fabrication and mechanical installation. Your role is to design the system, direct the work, and guide testing and adjustments. The work Design the hydrostatic track-drive system and dump-bed hydraulics. Match pumps and controls to the diesel engine and final-drive motors. Specify cooling, filtration, reservoir, hoses, valves and supporting components. Produce hydraulic schematics and a component bill of materials. Guide our team through installation, startup, pressure and flow testing, and adjustments. Help develop a practical system we can reproduce for future machines. Experience we're looking for Proven hydraulic system design and commissioning experience. Experience with hydrostatic propulsion on tracked, construction, agricultural or mining equipment. Ability to calculate power requirements, flow, pressure and heat load. Ability to clearly explain installation requirements and direct fabricators and mechanics during prototype development. Relevant practical experience matters. An engineering degree or IFPS certification is welcome, but applicants should be able to demonstrate systems they have designed and commissioned. This is a paid contract opportunity, and we can work around your existing schedule. Evenings and weekends are welcome. Please include your location, availability for onsite work in Tomahawk, expected hourly or day rate, and a brief description of relevant projects. Photos or sample schematics you're permitted to share are helpful. Independent specialists and small engineering firms are welcome.