Senior Manager (AC Specialist )-Solar O&M

Role Type: Technical Specialist (AC, EHV, Protection & Switchyard)1. Job SummaryThe Senior Manager – AC Specialist will act as the central technical authority for all AC-side systems across the company’s solar power plants (33 kV / 66 kV / 132 kV / 220 kV / 400 kV).The role involves providing expert support in EHV substations, power transformers, IDTs, line bays, switchyard equipment, protection & relay coordination, grid compliance, and utility interactions.This role will operate from the Head Office and provide remote as well as on-site guidance to ensure reliability, safety, compliance, and maximum uptime.2. Key ResponsibilitiesA. Technical Expertise – AC / EHV SystemsProvide expert support for 220 kV & 400 kV switchyards, transmission lines, GIS/AIS equipment, CT/PT, circuit breakers, isolators, LA, CVT, wave traps etc.Lead technical evaluation, diagnostics, and troubleshooting of Power Transformers / IDTs, OLTC, bushings, NGR/NER, earthing, cooling systems, and protection schemes.Review and optimise protection coordination, relay settings, fault level studies, and zone protection for IDT, feeders, line bays & busbars.Review and validate all EHV drawings, SLDs, protection logics, relay setting sheets, and system configurations.B. Operational Excellence & MonitoringAnalyse alarms, relay events, and disturbance records (DR/COMTRADE) and guide site teams for corrective actions.Ensure continuous monitoring of EHV substation health and provide guidance for predictive & condition-based maintenance.Drive improvement in availability, reliability, and AC system performance across all plants.Evaluate health of switchyard assets through testing: TFRA, SFRA, oil analysis, IR/PIT, CB timings, relay testing, CT/PT testing etc.C. Compliance & Grid CoordinationEnsure compliance with CEA, CERC, SERC, IEGC, and SLDC/ RLDC norms for grid connectivity, metering, protection, and reporting.Handle interactions with STU/CTU, DISCOM, SLDC/RLDC and other statutory bodies on all AC/EHV aspects.Review grid-related issues such as tripping, protection maloperations, voltage/frequency issues, and coordinate solutions.D. Support to Sites & Internal TeamsProvide daily technical guidance to site O&M teams for all AC-side faults, abnormalities, and outages.Support sites during shutdown planning, safety clearances, energisation, and major testing activities.Participate in root cause analysis (RCA) of major events like transformer failures, breaker faults, line trips etc.Train site teams on AC systems, switchyard safety, relay logic, equipment protection, and crisis handling.E. Vendor, OEM & Contractor ManagementCoordinate with OEMs for transformers, switchyard equipment, protection relays, and testing agencies.Review AMC proposals, service reports, FAT/SAT documents and validate OEM recommendations.Ensure quality and compliance of spares, tools & test kits for AC/EHV systems.F. Documentation, Reporting & SOP DevelopmentPrepare and maintain SOPs, PM checklists, switching procedures, LOTO guidelines, and test procedures.Review technical reports, tripping analysis, event logs, relay histories, and performance dashboards.Prepare MIS, monthly O&M reports, transformer health summaries, and switchyard audit reports.G. Budgeting & PlanningPrepare annual O&M budgets for switchyard, EHV equipment, and testing activities.Plan for critical spares, refurbishment, and life extension of AC/EHV assets.Identify capex requirements for ageing equipment and performance improvement.H. Safety & QualityEnsure highest standards of electrical safety, LOTO, PTW and statutory compliance at all sites.Conduct remote and periodic on-site audits of switchyard assets and safety practices.3. Required Qualifications & ExperienceB.Tech / B.E. in Electrical Engineering.10–18 years of experience in O&M of EHV substation systems in solar/IPP/utility sector.Hands-on experience in 220 kV / 400 kV AIS/GIS operations, transformer testing, relay coordination, and grid interface.Strong knowledge of Numerical Relays (Siemens, ABB, SEL, GE, Schneider etc.).Expertise in CEA/CEA/IEGC/SERC regulations and grid connectivity requirements.Experience in incident analysis, DR interpretation, and protection audits.Ability to lead and mentor site O&M teams across multiple locations.4. Key Skills & CompetenciesStrong analytical and diagnostic skills.Excellent communication & coordination abilities with internal teams and utilities.Expertise in preparing technical reports and RCA documentation.Leadership skills with ability to manage multiple plants and priorities.High commitment to safety and regulatory compliance.5. Preferred Certifications (Optional but Advantageous)Protection Relay Testing CertificationHigh Voltage/EHV Switching AuthorizationSubstation Automation System (SAS) TrainingSafety Certifications (NEBOSH/IOSH)Condition Monitoring Certifications

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