• Perform hands-on commissioning, testing, inspection, troubleshooting, and validation of BESS equipment, Energy Management Systems, power plant networks, Balance of Plant systems, and related electrical infrastructure. • Support site commissioning activities, including energization preparation, equipment checks, functional testing, point-to-point checks, loop checks, communications checks, and system integration testing. • Work safely in accordance with Energy Vault policies, project HSEQ requirements, electrical safety standards, lockout/tagout procedures, and local regulatory requirements. • Interpret electrical drawings, single-line diagrams, schematics, wiring diagrams, I/O lists, commissioning procedures, test plans, and vendor documentation. • Assist with the execution of commissioning procedures and document test results, punch list items, defects, corrective actions, and completion records. • Troubleshoot electrical, controls, communications, network, and equipment-level issues in collaboration with commissioning engineers, SCADA engineers, network engineers, equipment vendors, and site contractors. • Support commissioning of field devices, PCS/inverters, battery containers or racks, transformers, switchgear, protection systems, meters, relays, EMS/SCADA interfaces, and communication networks. • Assist with verification of communication interfaces, including fiber optic, serial, Ethernet, direct signal interface, and industrial network connections. • Support HMI/SCADA and EMS commissioning activities, including signal validation, alarms, controls, status points, metering, and operational displays. • Coordinate day-to-day field activities with site supervisors, EPC contractors, vendors, and internal project teams to help maintain safe and efficient commissioning execution. • Identify technical issues, raise concerns promptly, and assist in resolving field problems to support project schedule, quality, and safety objectives. • Provide practical field input to commissioning engineers and project teams regarding installation quality, access, constructability, safety, and operational readiness. • Support site handover, closeout documentation, as-built markups, punch list closure, and transition to operations or service teams. • Provide informal guidance to junior technicians, contractors, or field support personnel when required, while remaining primarily focused on hands-on commissioning execution.

• Provide professional, expert solutions to all customers, to enable their business to be profitable and leave their customers satisfied with a clean, shiny, dry vehicle every time they use our products • Site Preventative Care & troubleshooting: Titration of product as needed • Volumemetrics for product as needed • Minor chemical equipment/application repairs • Responsible for site chemical conversions & installations, and keeping the customers informed of progress • Monitor customer levels and responsible for Chemical Inventory & replenishment orders placed at sites under responsibility • Maintain Wash Key Reporting - Service Report • Conduct NCS Site Surveys using the template • Support & execute on corporate accounts (CTC) per the protocols • Provide on-site revenue program training • Conduct Technical & Chemistry basic training with appropriate location personnel • Maintain accurate and up-to-date computer files (SF, Portal, Google & CTM) of customers and their issues • Analyze customer outputs, and make recommendations on technical updates or ways to increase efficiency and wash counts for the designated site. • Identify areas of opportunity for our account, conduct an initial intake discussion and communicate to sales management.

• Construction field inspection and testing of construction materials • Inspect foundations for adherence to specifications • Sample and test concrete for quality control • Complete forms and write inspection reports • Interface with clients and contractors on-site • Work with minimal oversight after receiving appropriate training

• Lead execution of major component exchanges (MCE) including blades, gearboxes, generators, main shafts, nacelles, and tower sections • Oversee crane operations, rigging plans, and lift execution in coordination with crane providers and site leadership • Ensure all work is performed in compliance with OSHA, GWO, and company safety standards • Conduct pre-job briefings, lift plans, and job hazard analyses (JHAs) prior to execution • Coordinate daily activities of technicians, rigging crews, and subcontractors on-site • Verify tooling, equipment, and parts are available and meet project requirements prior to mobilization • Serve as the primary point of contact for field-level technical issues during component exchanges • Ensure adherence to OEM procedures, torque specifications, and quality standards • Track and report daily progress, delays, and issues to site leadership • Support commissioning and functional testing following component installation • Identify and mitigate risks related to weather, logistics, and equipment constraints • Mentor and train technicians on MCE best practices and safety protocols