Software & Controls Engineer
About the CompanyON.energy is building energy and AI infrastructure for grid-safe data centers and mission-critical facilities. The company develops and operates hyperscale power systems, energy storage solutions, and proprietary software focused on resilience and clean energy infrastructure.About the RoleAs a Staff Software & Controls Engineer, you’ll serve as a subject matter expert for control software architecture and automation across large-scale energy storage and power infrastructure projects. You’ll lead architecture and control strategy, develop PLC/HMI/control platforms, oversee SCADA integration, drive software development practices, resolve complex control-system issues, and provide technical leadership to engineering teams. You’ll also support FAT/SAT programs, commissioning, cybersecurity compliance, vendor relationships, and client engagements.QualificationsBachelor’s degree in Electrical Engineering, Controls, Software Engineering, or related field; Master’s preferred8–12 years of experience developing PLC, HMI, and control software for industrial or energy systemsExperience leading complex, multi-site engineering projectsExperience coaching, mentoring, and reviewing junior and mid-level engineersExpert object-oriented programming skillsAdvanced Siemens PLC programming experience with TIA PortalDeep expertise with Ignition SCADAExperience with control algorithms, real-time systems, and industrial automationStrong knowledge of industrial communication protocols and system integrationExperience with version control, CI/CD, and structured software developmentExperience leading FAT/SAT programs and acceptance testingStrong communication and technical leadership abilitiesWillingness to travel extensively for commissioning, deployments, and client engagementsSkills & RequirementsPLC Programming & AutomationSiemens TIA PortalIgnition SCADAHMI DevelopmentControl Software ArchitectureObject-Oriented ProgrammingC++, C#, PythonControl AlgorithmsReal-Time SystemsIndustrial AutomationModbus, OPC UA, ProfinetSystem Integration ArchitectureVersion Control & CI/CDSoftware DocumentationTesting & SimulationFAT & SATCybersecurity ComplianceField CommissioningRoot-Cause AnalysisVendor ManagementClient & Stakeholder CommunicationTechnical Leadership & MentoringEqual OpportunityON.energy is committed to equal employment opportunity and maintaining a workplace free from harassment, discrimination, and retaliation. Accommodations are available during the application process.