IT Support Analyst III

About Us Quanta Power Solutions brings together the industry-leading capabilities and resources of Quanta's operating companies to deliver complete EPC solutions. Our integrated approach spans power generation, battery energy storage, renewables, transmission, substation, and underground infrastructure — from concept to commissioning, we execute complex power infrastructure projects with the speed, certainty, and operational excellence our customers depend on. At Quanta Power Solutions, we are driven by a culture of safety, integrity, and disciplined execution — and we're building a team that shares that commitment. About this Role Quanta Power Solutions is seeking an IT Support Analyst III to provide advanced technical support and maintain information technology systems that support both corporate operations and field-based power generation projects. This senior-level role is responsible for ensuring reliable, secure, and efficient technology services across office and remote environments, including operational technology (OT) systems critical to energy infrastructure. The IT Support Analyst III serves as a technical escalation resource, leads infrastructure and support initiatives, and partners with business and operational teams to improve technology performance, security, and reliability. What You'll Do Responsibilities Provide Tier 2 and Tier 3 technical support for complex hardware, software, network, and connectivity issues across corporate and field locations. Serve as a technical escalation point for service desk personnel and junior IT support staff. Install, configure, maintain, and troubleshoot desktops, laptops, mobile devices, printers, and peripheral equipment. Administer and maintain Active Directory, Microsoft 365, Exchange Online, Azure Active Directory (Entra ID), Group Policy, and identity management solutions. Monitor, maintain, and troubleshoot LAN, WAN, VPN, wireless, and remote connectivity infrastructure supporting offices, substations, and project sites. Lead the support, maintenance, and troubleshooting of operational technology (OT) systems, including SCADA and industrial control systems utilized in power generation and energy infrastructure projects. Ensure the availability, reliability, security, and performance of business-critical applications, infrastructure, and OT environments. Implement and support cybersecurity initiatives, vulnerability remediation efforts, endpoint protection solutions, and compliance requirements, including NERC CIP standards. Lead system patching, software deployment, operating system upgrades, backup validation, and disaster recovery testing activities. Perform root cause analysis on recurring incidents and implement long-term corrective actions to improve system stability. Create and maintain technical documentation, standard operating procedures, network diagrams, system configurations, and knowledge base articles. Collaborate with engineering,…