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Electrical Protections Engineer

Job ID
493396
Posted since
08-Feb-2026
Organization
Smart Infrastructure
Field of work
Engineering
Company
Siemens, S.A. de C.V.
Experience level
Mid-level Professional
Job type
Full-time
Work mode
Hybrid (Remote/Office)
Employment type
Permanent
Location(s)
  • Santiago de Querétaro - - Mexico
We are looking for dedicated and talented people who tackle ever-changing challenges, customer needs, and questions from colleagues with clever concepts and creativity. We embrace change and work with curious minds re-inventing the future of work. Join us and let us focus together on what’s truly important: making lives better with new ideas and the latest technology around the world.

Why you’ll love working for Siemens!
• Freedom and a healthy work- life balance– Embrace our flexible work environment with flex hours, telecommuting and digital workspaces.
• Solve the world’s most significant problems – Be part of exciting and innovative projects.
• Engaging, challenging, and fast evolving, cutting edge technological environment.
• Opportunities to advance your career and mentorship programs on a local and global scale.
• Contribute to our social responsibility initiatives focused on access to education, access to technology and sustaining communities and make a positive impact on the community.
• Participate in our celebrations, social events and offsite business events.
• Opportunities to contribute your innovative ideas and get rewards for them!
• Diversity and inclusivity focused.

What will you do
Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improving how we live, work, and move today and for the next generation! We know that the only way a business thrive is if our people are thriving. That’s why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you? 

Siemens Electrification and Automation is seeking a Substation Automation and Protection Panel Design Engineer to support Siemens customers in designing, developing, and manufacturing world-class power protection and automation panels of substation Protection, automation systems and applications that incorporate Siemens or other automation products.

Specific Job Responsibilities

General Responsibilities:
• Configure and test protection relays and/or RTUs/PLCs for protection and controls schemes of substations systems and generation stations
• Prepare (FAT) Factory Acceptance Test procedures & testing environments for customer projects
• Implement protection schemes and logic diagrams based on technical drawings
• Download relay configuration to devices in the factory
• Download PLC/RTU configuration to IEDs in the factory
• Perform functional testing of MV-AIS/GIS switchgear integrated with Control and Protection IEDs installed in the gear.
• Test of ATS schemes for MM/MTM/MTTM applications implemented on protection relays, PLCs and/or RTUs.
• Test and Verify Peer-to Peer relay and RTU communication (IEC61850 GOOSE / SEL Mirrored-Bits)
• Be one of our primary customer interfaces for Factory Tests, including trouble shooting and support
• Occasionally assist in developing new order proposals (bills of materials, estimated engineering hours, etc.)
• Report processes and tools inefficiencies and suggests improvements ideas.
• Specific Responsibilities: Protection and Control Relay Applications Engineer
• Prepare Test Set (Omicron, Doble, etc...) routines for various protection applications
• Design, development, implementation, testing, and commissioning of protection and control applications and schemes
• Configure, test and perform commissioning relays for retrofit applications
• Travel to US customer sites is expected for testing of Control and Protection equipment as well as in Frankfurt Factory in Germany or in Wendell in USA.

Required Skills
• BS degree in Electrical Engineering or Similar with applicable knowhow.

Required Experience/Knowhow:
A strong candidate should be able to demonstrate basic knowledge of:
• 5 + years of direct experience in configuration & commissioning of Protection and Automation Systems.
• Basic knowledge in Communication networks and such as layer 2, layer 3, RSTP, PRP topologies
• Substations and industrial communication protocols such as IEC61850, DNP, Modbus, Profinet, Profibus
• Knowledge of automation software:
• Siemens SICAM PAS/SCC and/or
• SICAM Device Manager
• SEL accelerator
• SIMATIC S7 (TIA Portal)
• Basic Knowledge in electrical schematic designs for control and protection of Low, Medium and High Voltage systems.
• Power System protection applied to Low, Medium and High Voltage systems
• Medium voltage protection schemes (including design of transfer schemes and reverse interlocking schemes)
• Busbar protection
• Transformer protection
• Breaker failure protection
• Knowledge of Siemens, GE, SEL or ABB relay products and associated software

Considered a Plus – Not Required:
The following experience is not required but candidates who can demonstrate solid knowledge in these areas will be given extra consideration:
• Capacitor bank protection
• Communication Network Technologies, including Design, Configuration, and troubleshooting
• Communication protocols such as IEC103, IEC101, IEC104.
• Knowledge of ANSI standards, IEC standards.
• Line Transmission and Distribution protection
• Generator protection for small, medium, and large generators (including protection settings calculation)
• High voltage, distribution, and generation applications
• Knowledge of the multiple vendors' relay products and associated software
• Drafting abilities using AutoCAD or MicroStation
• C Programming Language experience.

Equal Employment Opportunity Statement
Siemens is an Equal Opportunity and Affirmative Action Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, protected veteran or military status, and other categories protected by federal, state or local law.