Performing operations, maintenance and repair activities on utility equipment and systems providing utilities serving Manufacturing, Lab, and various operations across the ANC site: Specific Manufacturing and Lab HVAC systems include:Air Handling and Exhaust Fan units, Bio-Safety cabinets, air directional flow hoods, HEPA filters, walk-in cold rooms and freezers (refrigeration systems) and other environmental control units (chambers). Maintenance activities include inspections, testing, minor/major equipment overhauls, pump rebuild/replacements, valve rebuild/replacements, HVAC troubleshooting/repair, HEPA filter certification, Piping modification/repair, etc.