PowerOn Reliance SCADA Engineer

TCS is a purpose-led transformation company, built on belief. We don’t just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more opportunities to make an impact that matters, through challenging projects which demand ambitious innovation.

The role

This role involves delivering expert-level services for GE PowerOn Reliance (PoR) SCADA, with a strong focus on validating and testing the system implementation against the defined functional, non-functional, and integration requirements. It requires close collaboration with customers, implementation partners, system integrators, and internal delivery teams to ensure that the solution meets operational expectations and industry standards.

It also requires coordinating with multiple stakeholders to validate system functionality across SCADA, EMS, and related PoR. components, ensuring successful end-to-end deployment.

Key responsibilities:

• Collaborated with system users and project teams to understand project scope, requirements, and operational workflows.
• Provided expert services for the GE Power-On Reliance SCADA EMS System, covering functional, non‑functional, interface, and integration testing.
• Designed comprehensive test scenarios and executed detailed test cases to ensure complete coverage across all system functionalities.
• Reviewed and analyzed functional design documentation to validate that all test cases fully addressed system requirements.
• Worked within Agile Scrum teams, collaborating closely with Product Owners (POs), SCADA SMEs, and business testers to create well-defined user stories and corresponding acceptance tests.
• Monitored and reported progress of test preparation and execution using JIRA/XRAY, ensuring adherence to defined testing processes.
• Identified, documented, and managed risks and issues related to testing, providing mitigation recommendations where needed.
• Ensured consistency in testing approaches by following centrally defined Test Strategy, Test Approach, and Phase Test Plans.
• Developed, executed, and maintained manual and automated test scripts.
• Performed testing across multiple environments, including web, desktop, and mobile platforms.
• Documented defects through detailed and accurate bug reports, ensuring clear traceability and reproducibility.
• Provided guidance and support to team members to ensure correct implementation and verification of requirements during testing.

Technical Skills:

• Strong hands-on experience with GE PowerOn Reliance (PoR) SCADA product used in Transmission SCADA environments, including core components and operational modules.
• Skilled in the configuration of SCADA and EMS modules within PowerOn Reliance.
• Worked extensively on PoR modules such as Group Telecontrol, Automation, System Tracing, Symbol Design, Alarm Configuration, and related features.
• Experienced in integrating PowerOn Reliance with external corporate application systems and enterprise interfaces.
• Hands-on experience with setup and configuration of SCADA for simulation and testing of SCADA data flows.
• Skilled in setting up and configuring multiple PoR components, including:
• o Application Server
• o Database Server
• o Reports Server
• o FEP (Front-End Processor) Server
• o Historian Database
• o DPF (Distribution Power Flow) Application Server
• o Proxy Server
• Good understanding of PoR cartography for network modelling, topology creation, and geospatial mapping.
• Strong knowledge of both Windows and Linux server environments used within OT/IT systems.
• Understanding of IT/OT cybersecurity standards, including NERC CIP compliance requirements.
• Expertise in creating and executing test plans, test cases, acceptance testing, and supporting system transition activities.
• Familiar with industry standards and protocols related to power systems and control systems, including:
• o IEC 101, IEC 104, GI 74, IEC 61850
• o IEEE power system standards
• Experienced working within Agile methodologies, collaborating with cross-functional and Scrum teams.
• Hands-on experience using test management tools such as JIRA, and similar platforms.
• Strong working knowledge of regulations, standards, and operational requirements governing modern power systems.
• Ability to leverage utility domain knowledge to engage effectively with client utilities, understanding their operational practices, methodologies, and needs in Electric Distribution Operational Systems.
• Strong client-facing experience with excellent stakeholder communication skills; capable of working effectively with Product Owners, Product Managers, Development, Testing, and Implementation teams.
• Solid expertise in delivering projects using Agile Methodologies, with hands‑on involvement across iterative delivery cycles and cross‑functional collaboration.
• Experience in business and technical consulting and testing, including extensive involvement in SCADA implementation, integration, and operational support.

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

At TCS, we believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity motto is ‘Inclusion without Exception’.

You’ll find a welcoming culture and many internal volunteering and social networks to join. Our diversity, inclusion and social activities include LGBTQ+ and mental health networks, as well as health and wellness initiatives and sports events (we even sponsor the London Marathon).

TCS celebrates inclusion without exception. We are open to all and treat applications equally, regardless of ethnicity, disability, gender, age, sexual orientation or beliefs.

If you are an applicant who needs an accommodation due to a disability to complete an employment application, or during any phase of the hiring process, please contact us at with the subject line: "Disability Accommodation Request".

Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

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