System Engineer - Protection & Automation ( Numerical Relays / Substation Automation)

Siemens Mobility; Thane; Hybrid; INR 1,200,000 - 2,000,000; Full time

Job summary

Smart Infrastructure in India is seeking a System Engineer specializing in Protection and Automation (Numerical Relays / Substation Automation). You will design secondary engineering for protection systems and substation automation across voltage levels for utilities, renewables, and process industries.

The role covers the full project lifecycle from understanding requirements, detailing designs, preparing FAT/SAT documents, to supporting procurement, factory and commissioning teams.

Qualifications

• B. Tech / B.E in Electrical/Electronic Engineering.
• 5 - 8 years of relevant experience.
• Hands-on Experience in Digsi-5, Digsi-4, Reyrolle, Ethernet Switches, PMU preferred.
• Knowledge of Siemens configuration tools: SIMATIC WINCC/SCC, Toolbox, Device Manager, DIGSI.
• Good interpersonal and clear communication skills; fast learner and independent or team player.
• Proficiency with Windows, Servers, and MS Office; Auto-CAD knowledge is a plus.
• 5 days work week, Hybrid (based on Business Needs).

Responsibilities

• Prepare Protection SLDs, Trip matrix, interlocking logics, GA drawings, and BOM as per project requirements.
• Design Control & Protection Panels for various voltage levels; understand bus arrangements.
• Prepare protection schematics for generators, lines, transformers, buses; work with numerical relays and related software.
• Prepare FAT/SAT/GTP/TTR/FDS/HEAT LOAD documents.
• Develop SAS & Process Bus System Architecture (Star/RTS/PRP/Ring topology); manage Ethernet switches and firewalls.
• Familiarity with IEC 61850 / IEC 104 / IEC 101 / Modbus; support project stakeholders during execution.

Skills

Interpersonal communication

Analytical thinking

Teamwork

Education

B.E./B.Tech in Electrical/Electronic Engineering

Tools

Digsi-5

Digsi-4

Reyrolle

Ethernet switches

PMU

SIMATIC WINCC/SCC

DIGSI

SICAM SCC

Job description

System Engineer - Protection & Automation ( Numerical Relays / Substation Automation)

Job ID

516913

Posted since

07-Aug-2026

Organization

Smart Infrastructure

Field of work

Company

Mid-level Professional

Job type

Full-time

Hybrid (Remote/Office)

Employment type

Permanent

Location(s)

System Engineer- Protection and Automation

Organization - Smart Infrastructure

Job Family – Engineering

Sub Job Family – System Engineering

Job Type- Full time

Job Overview:

System Engineer will be responsible for engineering, Design of Secondary Engineering of Protection system (Numerical Relays, Control and Relay Panels) and Substation Automation Systems, PPC and Loadshedding schemes used across various voltage levels in India for variety of customers that include Central/State/Private Utilities, Renewables and Process Bus stations.

The incumbent will be responsible for the project lifecycle that include the various project phases like Understanding the client requirement, Preparation of detail design/documentation/calculations, Approval of design/documentations from customer, preparation of loading documents for ordering of required material and support to Project Management/ Factory/ Commissioning team for successful execution of the Project.

Job Description

• Preparation of Protection SLD’s, Trip matrix, interlocking logics, GA drawings, Bill of material etc. as per customer / project specification / requirements.
• Design of Control & Protection Panels for all voltage levels system, should have knowledge of various bus arrangements.
• Control and protection schematic preparation for various power system equipment i.e. Generator, Line, Transformer, Reactor, Busbar etc. and Knowledge about Numerical Relays and working of it like Siemens, Hitachi, GE and it's software etc.
• Preparation of FAT/SAT/GTP/TTR/FDS/HEAT LOAD documents.
• Preparation of various types of SAS & Process Bus System Architecture based on system requirements. (Star / RSTP / PRP / Ring topology), Knowledge about ethernet switches, NextGEN firewalls, RedBox and its working
• Knowledge on different serial and ethernet based protocol used in Substation Automation System (IEC 61850 / IEC 104 / IEC 101/ Modbus Serial & TCP IP, SNTP, PTP).
• Should have knowledge on Master Slave and client server philosophy, IEC61850 protocol and Computer networking. (Knowledge about Sicam SCC, WinCC, RTC A8000, S8000 or Microscada and it's software)
• Discussion with customer for drawing approval/resolution of query.
• Initiating loadings to factory for material procurement, fabrication and wiring of the systems under scope.
• Support to Sales/testing/commissioning team for the queries raised during execution.

Different solutions of substation automation system to get desired output.

Eligibility criteria / Skill Sets

• B. Tech / B.E in Electrical/Electronic Engineering.
• 5 - 8 years of relevant experience.
• Hands-on Experience in Digsi-5, Digsi-4, Reyrolle, Ethernet Switches, PMU will be preferred.
• Knowledge of siemens configuration tools: SIMATIC WINCC/SCC, Toolbox, Device Manager, DIGSI.
• Has good interpersonal and clear communication skill without, Critical Thinking
• Fast learner and able to work independently or as a team player.
• Able to work under minimum or less supervision.
• Shall have good knowledge of Windows, Servers, MS Office etc.
• E Base, Auto-CAD software knowledge will be added advantage.
• 5 days work week, Hybrid (based on Business Needs).