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Urgent! RF Calibration Engineer Job Opening In India, India – Now Hiring L&T Semiconductor Technologies
We are seeking a skilled and experienced
RF Calibration Engineer
with hands-on expertise in
Qualcomm cellular platform
to lead and execute RF calibration activities including RFC card generation, QCN/XQCN handling, and RF tuning.
The candidate will play a critical role in ensuring optimal RF performance across LTE, GPS, Wi-Fi, and Bluetooth subsystems.
Areas Of Responsibility
Perform
RF calibration
for cellular platforms based on
Qualcomm SoCs
(e.g., QCM, QCS, SA2150, SA415M, SDX series, QCX series)
Generate and update
RFC (Radio Frequency Configuration) cards
for factory and production use
Handle
QCN/XQCN
backup, editing, and restoration for RF parameter tuning
Conduct
calibration procedures
using Qualcomm toolchain: QPST, QXDM, QDART, QCAT, and QMSL
Analyze and debug RF logs, NV configurations, and RF signal performance
Coordinate with hardware and modem teams to optimize antenna and RF path
Support
EFS/NV management , RF provisioning, and board-level bring-up
Automate repetitive tasks using
Python/Perl scripts
for efficiency in calibration and flashing
Maintain documentation and traceability for RF performance and test results
Experience and Qualification
Experience: 5 to 10 yrs
Solid hands-on experience with Qualcomm RF calibration tools and procedures
Experience with multiple Qualcomm chipsets (e.g., QCM2290, QCS2290, QCX216, SA415M, SDX55, etc.)
Deep understanding of LTE/4G/5G, GNSS, Bluetooth, and Wi-Fi RF subsystems
Familiarity with NV item editing, eFuse programming, and RF tuning principles
Strong background in wireless testing, calibration lab tools, and scripting automation
Bachelor's or Master's degree in Electronics, Telecommunications, or relevant discipline
Qualifications:
Prior experience with
mass production RF calibration and automation
Exposure to
carrier certification
(PTCRB, GCF, operator-specific requirements)
Familiarity with
SAR/TRP/TIS testing , antenna design, and tuning practices
Knowledge of
eSIM/eUICC , security provisioning, and factory test flows
Experience with Qualcomm’s
Diag protocol ,
QCN tools , and
RF trace analysis
Technical And Behavioural Skills
Technical Skills :
Qualcomm Tools & Platforms:
QXDM – Log capture, RF trace analysis, event monitoring
QPST/QFIL – EFS access, QCN flashing, QPST server tools
QCAT – Log post-processing and NV item analysis
QDART – RF calibration and automation interface
QMSL (Qualcomm Modem Software Library) – Used for scripting RF calibration routines
RFNV Tool / QCN Manager / NV Manager – NV editing and configuration
RF Card Tool / RFC Generator – RFC card creation, editing, and validation
eFUSE Tools – eFUSE blowing for platform security and production configuration
Calibration & Testing:
RF Calibration – LTE/4G/5G, GNSS (GPS/GLONASS), Bluetooth, Wi-Fi
QCN/XQCN Handling – Backup, edit, restore NV configurations
EFS Management – File system access for provisioning and NV injection
RF Tuning & Optimization – Gain table tuning, PA bias, switch path config
Production Calibration Flow – Factory-line calibration using automation scripts
Carrier Certification Support – TRP/TIS/SAR data generation, PTCRB, GCF
Modem & Protocol Stack Knowledge:
LTE Bands, Band combinations, Carrier Aggregation
Diag protocol & diagnostic message decoding
Call flow understanding: Attach, RRC, PDP contexts
NV item structure and interdependencies
Behavioural Skills:
Strong communication and teamwork skills.
Ability to adapt to a fast-paced and dynamic business environment.
Detail-oriented with a focus on quality and accuracy.
Proactive and self-motivated with a results-oriented mindset.
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Unlock Your RF Calibration Potential: Insight & Career Growth Guide
Real-time RF Calibration Jobs Trends in India, India (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for RF Calibration in India, India using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 262 jobs in India and 27 jobs in India. This comprehensive analysis highlights market share and opportunities for professionals in RF Calibration roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! L&T Semiconductor Technologies is currently hiring and seeking a RF Calibration Engineer to join their team. Feel free to download the job details.
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An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at L&T Semiconductor Technologies adheres to the cultural norms as outlined by Expertini.
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