L&
Testing Engineer
Accepting applicationsLarsen & Toubro · Bengaluru, Karnataka, India
Full-Time Mid DFTMATLABPython
Estimated market salary
₹12-18 LPA
This is a SiliconBoard market estimate, not an employer-posted salary.
Posted
6d ago
Category
Verification
Experience
Mid
Country
India
Test and Validation Engineering (Power Converters – up to MW range)
Role Summary
This role owns the V&V of high-power converter systems—from early validation strategy to final regulatory approvals across global markets (India, EU, US). Testing Engineer will Support for
Ensuring
Key Responsibilities
Test Strategy & Validation Architecture
Define end-to-end V&V strategy aligned with certification requirements
Develop Design Verification Plan (DVP) & Product Validation Plan (PVP)
Ensure traceability from requirements → test cases → certification clauses
Support Test Infrastructure Development
Build and manage:
MW-scale test benches
Grid simulators & regenerative load setups
Battery emulators for PCS validation
Ensure infrastructure supports pre-compliance + certification testing
Test Automation & HIL
Lead automation architecture:
Python / LabVIEW / TestStand frameworks
Develop HIL-based certification scenarios:
Grid fault simulations
Dynamic grid behavior
Functional & Performance Validation
Validate:
Grid synchronization, PLL, power control
LVRT / HVRT / anti-islanding
Protection mechanisms
Perform efficiency, thermal, and dynamic response validation
Pre-compliance → certification testing → final approval
Act as single point of contact for certification bodies and agencies
Standards & Compliance Scope
Lead compliance for:
Safety standards: IEC 62109, UL 1741
Grid interconnection: IEEE 1547, IEC 61727, IEC 62116
EMC/EMI: IEC 61000 series
Efficiency & performance: IEC 61683, EN 50530
Ensure compliance with:
Regional grid codes (India, Europe, North America)
Certification Planning & Execution
Translate standards into:
Test cases and validation procedures
Design requirements (DFx: DFM, DFS, DFT)
Plan and execute:
Pre-compliance testing (in-house)
Certification testing (external labs)
External Lab & Agency Management
Interface with:
NABL / TÜV / UL-certified labs
Regulatory bodies and utilities
Manage:
Test scheduling, documentation, issue closure
Certification timelines and cost optimization
Documentation & Technical Files
Prepare and review:
Technical Construction File (TCF)
Test reports, compliance reports
Risk analysis (FMEA, hazard analysis)
Ensure audit readiness
Gap Analysis & Risk Mitigation
Conduct:
Standard compliance gap analysis early in design
Drive:
Design changes to ensure first-pass certification success
Grid Code Validation (Critical for MW Systems)
Validate compliance with:
LVRT/HVRT curves
Reactive power support
Frequency ride-through
Coordinate with utilities for grid compliance testing
Reliability & Environmental Testing
Execute:
HALT / HASS
Thermal cycling, vibration, humidity
Support certification-related environmental requirements
Cross-functional Leadership
Work closely with:
Design, Controls, Firmware teams
Influence design for:
Testability
Certifiability (this is key at senior level)
Data Analytics & Reporting
Automate:
Certification reports
Validation dashboards
Track:
Certification readiness metrics
Required Qualifications
Education
Diploma /B.E./B.Tech
Experience
6 + years in:
Power electronics validation
Certification of grid-connected systems
Proven experience with MW-scale converters / PCS / inverters / EV chargers
Technical Skills
Certification Expertise
Hands-on Experience With
IEC / UL / IEEE standards
Grid compliance testing
Experience in:
Taking products through full certification cycles
Power Electronics
Inverters, rectifiers, DC-DC converters
Topologies:
NPC, Vienna, T-type, LLC, DAB
Test & Measurement
Power analyzers, oscilloscopes, EMI receivers
High-voltage/high-power testing
Automation & HIL
Python, LabVIEW, MATLAB
dSPACE / OPAL-RT / Typhoon HIL
Leadership & Behavioural Skills
Strong ownership of certification deliverables
Ability to challenge design for compliance readiness
Stakeholder management (labs, auditors, internal teams)
Key KPIs
First-pass certification success rate
Certification cycle time
Number of certification failures/retests
Validation coverage
Field compliance issues
Preferred Experience
Solar central inverters / PCS / BESS (1500V systems)
EV fast charging systems
Global certification exposure (multi-region product launches)
Nice-to-Have
Experience working with:
TÜV / UL / Intertek / CSA labs
Knowledge of:
Cybersecurity standards for grid-connected systems (IEC 62443)
Show more Show less
Role Summary
This role owns the V&V of high-power converter systems—from early validation strategy to final regulatory approvals across global markets (India, EU, US). Testing Engineer will Support for
Ensuring
Key Responsibilities
Test Strategy & Validation Architecture
Define end-to-end V&V strategy aligned with certification requirements
Develop Design Verification Plan (DVP) & Product Validation Plan (PVP)
Ensure traceability from requirements → test cases → certification clauses
Support Test Infrastructure Development
Build and manage:
MW-scale test benches
Grid simulators & regenerative load setups
Battery emulators for PCS validation
Ensure infrastructure supports pre-compliance + certification testing
Test Automation & HIL
Lead automation architecture:
Python / LabVIEW / TestStand frameworks
Develop HIL-based certification scenarios:
Grid fault simulations
Dynamic grid behavior
Functional & Performance Validation
Validate:
Grid synchronization, PLL, power control
LVRT / HVRT / anti-islanding
Protection mechanisms
Perform efficiency, thermal, and dynamic response validation
Pre-compliance → certification testing → final approval
Act as single point of contact for certification bodies and agencies
Standards & Compliance Scope
Lead compliance for:
Safety standards: IEC 62109, UL 1741
Grid interconnection: IEEE 1547, IEC 61727, IEC 62116
EMC/EMI: IEC 61000 series
Efficiency & performance: IEC 61683, EN 50530
Ensure compliance with:
Regional grid codes (India, Europe, North America)
Certification Planning & Execution
Translate standards into:
Test cases and validation procedures
Design requirements (DFx: DFM, DFS, DFT)
Plan and execute:
Pre-compliance testing (in-house)
Certification testing (external labs)
External Lab & Agency Management
Interface with:
NABL / TÜV / UL-certified labs
Regulatory bodies and utilities
Manage:
Test scheduling, documentation, issue closure
Certification timelines and cost optimization
Documentation & Technical Files
Prepare and review:
Technical Construction File (TCF)
Test reports, compliance reports
Risk analysis (FMEA, hazard analysis)
Ensure audit readiness
Gap Analysis & Risk Mitigation
Conduct:
Standard compliance gap analysis early in design
Drive:
Design changes to ensure first-pass certification success
Grid Code Validation (Critical for MW Systems)
Validate compliance with:
LVRT/HVRT curves
Reactive power support
Frequency ride-through
Coordinate with utilities for grid compliance testing
Reliability & Environmental Testing
Execute:
HALT / HASS
Thermal cycling, vibration, humidity
Support certification-related environmental requirements
Cross-functional Leadership
Work closely with:
Design, Controls, Firmware teams
Influence design for:
Testability
Certifiability (this is key at senior level)
Data Analytics & Reporting
Automate:
Certification reports
Validation dashboards
Track:
Certification readiness metrics
Required Qualifications
Education
Diploma /B.E./B.Tech
Experience
6 + years in:
Power electronics validation
Certification of grid-connected systems
Proven experience with MW-scale converters / PCS / inverters / EV chargers
Technical Skills
Certification Expertise
Hands-on Experience With
IEC / UL / IEEE standards
Grid compliance testing
Experience in:
Taking products through full certification cycles
Power Electronics
Inverters, rectifiers, DC-DC converters
Topologies:
NPC, Vienna, T-type, LLC, DAB
Test & Measurement
Power analyzers, oscilloscopes, EMI receivers
High-voltage/high-power testing
Automation & HIL
Python, LabVIEW, MATLAB
dSPACE / OPAL-RT / Typhoon HIL
Leadership & Behavioural Skills
Strong ownership of certification deliverables
Ability to challenge design for compliance readiness
Stakeholder management (labs, auditors, internal teams)
Key KPIs
First-pass certification success rate
Certification cycle time
Number of certification failures/retests
Validation coverage
Field compliance issues
Preferred Experience
Solar central inverters / PCS / BESS (1500V systems)
EV fast charging systems
Global certification exposure (multi-region product launches)
Nice-to-Have
Experience working with:
TÜV / UL / Intertek / CSA labs
Knowledge of:
Cybersecurity standards for grid-connected systems (IEC 62443)
Show more Show less