Role description

Who we are:

At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact—touching billions of lives in the process. Visit us at .

Summary:

UST is seeking an experienced Senior Firmware Developer – IEC 61850 Communication, a Smart Grid and IEC 61850 specialist who has worked on the IEC 61850 server stack. This role involves designing, implementing, and maintaining communication protocols and systems for modern electrical grid infrastructure. You will work with cutting-edge smart grid technologies, contribute to digital substation projects, and help drive the modernization of power distribution networks.

The Opportunity:

- Hands-on implementation/integration of the MMS server, IEC 61850 data model, Logical Devices / Logical Nodes, Common Data Classes, DataSets, Buffered/Unbuffered Reporting (BRCB/URCB), report trigger options, control services, Select Before Operate (SBO/SBOw), GOOSE publisher/subscriber, setting groups, file services / disturbance record transfer, and SCL/ICD/CID configuration.
- Design, develop, and integrate IEC 61850 server stack functionality within embedded/firmware-based devices.
- Implement and configure IEC 61850 data models, logical nodes, datasets, reports, and communication services.
- Develop and manage SCL (Substation Configuration Language) files and related device configurations.
- Perform testing, validation, and debugging of IEC 61850-based protection and control devices.
- Troubleshoot interoperability and communication issues between IEC 61850 devices and systems.
- Work closely with firmware, embedded, and power-system engineering teams for system integration.
- Support field testing, commissioning, and deployment activities.
- Prepare technical documentation, specifications, and implementation details.
- Keep up to date with relevant IEC 61850 standards and technology developments,



and support knowledge sharing within the team.

What you need:

- 5+ years of experience with IEC 61850 standard implementation.

Required Skills:

- Strong knowledge of substation automation, SCADA, and RTU systems.
- IEC 61850 (Parts 5, 6, 7-2, 7-3, 7-4, 8-1).
- Proficiency with IEC 61850 tools and SCL (Substation Configuration Language).
- GOOSE (Generic Object-Oriented Substation Event) messaging and MMS (Manufacturing Message Specification).
- Network protocols: Ethernet, TCP/IP, Modbus, DNP3.
- Substation configuration tools (PCM600, IEC 61850 validators, etc.).
- Programming languages: C++, Python, or similar.
- System testing and validation tools.
- Understanding of power system protection and control principles.
- Excellent troubleshooting and problem-solving skills.
- Robust communication and documentation abilities.

Desired Skills:

- IEC 61850 certification or advanced training.
- Experience with digital substations and merging unit technology.
- Knowledge of IEC 61131 (PLC programming) or IEC 60044-8.
- Experience with cyber security in power systems.
- Familiarity with renewable energy integration and microgrid systems.
- Project management experience in the utility/power industry.
- Experience with cloud-based SCADA or advanced control systems.

Qualification:

- Bachelor’s degree in Electrical Engineering, Power Systems, or a related field.

What we believe: We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone,



to champion diversity and inclusion and to place people at the centre of everything we do.

Humility:

We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity:

Through business, we will better the lives of those less fortunate than ourselves.

Integrity:

We honour our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.

All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

- To support and promote the values of UST.
- Comply with all Company policies and procedures

Skills IEC 61850, Firmware Development, Embedded Systems, Installation and Commissioning, C++, Modbus, System Testing, TCP/IP, Substation Automation, Ethernet, Embedded Systems

About UST

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation.

With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.

📌 Lead II - Embedded Software (Navi Mumbai)
🏢 UST
📍 Navi Mumbai