Senior Electrical Engineer

Repsol SA; Houston (TX); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Repsol SA in Downtown Houston seeks a Senior Electrical Engineer to lead MV/HV substation design, protection schemes, and transmission-related studies. You will support renewable projects and oversee complex electrical deliverables in a hybrid work setup.

The role requires a PE license, 7+ years of experience, and strong proficiency with ETAP/CYMCAP/WinIGS and other HV software. You’ll collaborate with multiple teams to ensure compliant, safe and reliable electrical designs.

Qualifications

• Bachelor’s or master’s degree in electrical engineering.
• 7+ years of relevant technical experience.
• Professional Engineering license in at least one USA state.
• Expert knowledge of medium- and high-voltage substation equipment including relay protection systems.
• Experience with large utility-scale solar and wind projects preferred.
• Experience with HV field service preferred.
• Proficient in ETAP, CYMCAP, WinIGS; knowledge of CDEGS, EMTP, PSS/E, PSCAD preferred.
• Familiarity with capacitor banks, transformers, switchgear operations.

Responsibilities

• Understand substation and transmission line project scopes and deliverables.
• Produce control building layouts, general arrangement, cable/conduit plans, grounding, BOM and cable schedules.
• Contribute to substation physical documents for AIS and GIS substations.
• Review design basis memos and guide contractor discipline engineers.
• Provide electrical, HV, collection system, and substation support to renewables.
• Participate in design/construction reviews of collection, substation, and transmission designs.
• Oversee electrical calculations, studies, and designs for accuracy and compliance.
• Review and improve commissioning, maintenance, and SOPs.
• Review maintenance records and recommend corrective actions per NERC standards.
• Lead lessons-learned sessions on misoperations and safety events.
• Develop site betterment projects with scope, budget, schedules, and RFPs.

Skills

Substation design (MV/HV)

Relay protection systems

Transmission line design

Protection coordination

Power systems studies

Education

Electrical engineering degree (BSc/MSc)

Tools

ETAP

CYMCAP

WinIGS

CDEGS

EMTP

PSS/E

PSCAD

Job description

Senior Electrical Engineer### Senior Electrical EngineerApply: Downtown Houston: Full time: Posted 2 Days Ago: End Date: November 30, 2026 (18 days left to apply): 84526## We explore and discover the limitless possibilities of energy so we can all progress. We believe in the power of talent to shape the future. That’s why we’re looking for curious, bold individuals who are eager to grow and create new ways forward—people who want to join us in building a more sustainable, innovative, and inclusive world. We strongly believe that diversity fuels creativity and innovation. That’s why we welcome professionals who are ready to grow, learn, and bring their perspective to the energy challenges of today and tomorrow. Here, you’ll find a place to grow and unlock your full potential. **The position is based in Downtown Houston with a hybrid work model of 3 days in the office and 2 days from home.** **Key Responsibilities:*** Solid understanding of substation and transmission line project scopes of work and deliverables.* Capable of producing control building layouts, substation general arrangement, cable and conduit plans, line arrangement, grounding plan, sections, details, auxiliary AC/DC power distribution diagrams, bill of material, cable schedule, etc.* Acts as a key contributor to the development of substation physical application documents for air-insulated substations (AIS) and gas insulated substations (GIS), to define design scope, philosophies, methodologies, and criteria for medium and high-voltage substation projects.* Review of design basis memorandums, detailed engineering scopes, and then guide contractor discipline engineers/designers to align with Repsol engineering deliverables according to project requirements.* Provide electrical, high-voltage, collection system, and substation support to operating renewable projects.* Participate in the engineering, design, and construction review processes including review of the collection system, substation, and transmission line designs.* Oversee internal and external electrical discipline calculations, studies, and designs, ensuring accuracy and compliance with project requirements. For example, ampacity, reactive power compensation, loss analysis, short circuit, protection coordination, arc flash, TOV, TRV, insulation coordination, harmonic, etc.* Review and continuously improve commissioning, maintenance, and standard operating procedures.* Review maintenance records and recommend corrective actions to ensure reliability and compliance with the applicable NERC standards.* With peers, develop structured feedback sessions for all lessons learned with the project team to include misoperations, root cause analysis, and safety-related events.* Develop and implement site betterment projects including preparation of scope documents, exhibits, budgets, schedules, and requests for proposals. **Required Qualifications:*** Legally authorized to work in the USA for any employer, without the need for sponsorship today or in the future.* Bachelor’s or master’s degree in electrical engineering.* 7+ years of relevant technical experience.* Professional Engineering license in at least one state in the USA.* Expert knowledge of medium- and high-voltage substation electrical equipment including relay protection systems, collection systems, transmission designs, and operations.* Experience with large utility scale solar and wind projects preferred.* Experience with establishing HV field service preferred.* Proficient in industry-standard software (ETAP, CYMCAP, WinIGS); additional knowledge of CDEGS, EMTP, PSS/E, PSCAD, and related tools is preferred.* Familiarity with the operation of capacitor banks, transformer load tap changers, circuit breakers, and motor/manually operated air disconnect switches. **Repsol is an Equal Opportunity Employer M/F/Disability/Veteran**