Amentum is seeking an HVAC Tech IV to join our operations & maintenance team. This position is responsible for providing an advanced level of expertise in responding to work orders, troubleshooting, servicing, and documenting the control needs of equipment and systems related to HVAC units for commercial buildings, data centers, production equipment, motors, pumps, control circuits, VFDs, PLCs, and compressors. Must have the ability to maintain, improve, and participate in developing control systems, programming ladder logic / PLCs (Allen Bradley, Siemens, Wago, GE, MicroLogix, ControlLogix, PLC-5) and HMI. Works with controls and instrumentation such as thermocouples and transducers, as well as working around primary voltages up to and including 480v. Provides instruction, mentors and trains less skilled technicians as needed. Effectively communicates with the site management team and the customer to understand requirements, solve mechanical problems, and provide solutions to manufacturing problems. The HVAC Tech IV must have the ability to identify and correct any safety-related issues and perform independent equipment evaluations to identify potential equipment failures. General Maintenance of equipment will also be required.