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Manager / Engineer - Geologist cum Instrumentation (Tunnel)

Date Posted: Aug 11, 2026
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Job Detail

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    Location Chennai, Tamil Nadu, India
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    Job Type: Full Time/Permanent
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    Shift:
  • analytics
    Career Level:
  • group
    Positions:
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    Experience:
  • male
    Gender: No Preference
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    Degree:
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    Apply Before: Nov 15, 2026
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Job Description

1. Instrumentation Planning & Design Coordination

  • Review project specifications, geotechnical baseline reports, instrumentation drawings, and monitoring plans.
  • Identify the type, location, and quantity of instruments required for TBM, NATM, or cut?and?cover tunneling.
  • Coordinate with design and geotechnical teams to finalize monitoring layouts and trigger levels.
  • Prepare method statements, installation procedures, and quality control checklists.

2. Installation, Calibration & Commissioning

  • Supervise and ensure proper installation of geotechnical instruments such as
    • Inclinometers
    • Piezometers (standpipe, VW, pneumatic)
    • Settlement markers
    • Extensometers
    • Convergence monitoring targets
    • Load cells & strain gauges
    • Tilt meters & crack meters
    • Seismic and vibration monitors
  • Conduct calibration, testing, and commissioning of all sensors and data loggers.
  • Ensure instruments are installed as per QA/QC standards and relevant project specifications.

3. Monitoring & Data Acquisition

  • Manage automatic and manual data acquisition systems (ADS/DAS).
  • Perform daily/weekly/monthly monitoring as per the instrument type.
  • Ensure continuous data flow from remote monitoring systems and address communication failures.
  • Maintain logs of ground movements, settlement, vibration levels, groundwater fluctuations, and structural loads.
  • Validate and clean raw data before submission.

4. Data Analysis & Reporting

  • Analyze monitoring data to detect abnormal trends or threshold exceedance.
  • Inform project managers, geotechnical engineers, and construction teams when trigger limits are crossed.
  • Prepare daily, weekly, and monthly instrumentation monitoring reports.
  • Support decision-making in ground control, NATM support class modification, and TBM operational adjustments.

5. Safety & Risk Management

  • Ensure instrumentation systems comply with safety requirements, especially in urban tunneling.
  • Participate in risk assessments and identify early warning indicators of potential ground failure.

Job details

  • Business: Heavy Civil Infrastructure
  • Location: Chennai Head Qrs., Tamil Nadu
  • Experience: 10-15 years
  • CTC range: ₹12,00,000 – ₹20,00,000 a year
  • Openings: 10
  • Skills: Instrumentation, Monitoring

Source: Larsen & Toubro careers — Read the original posting and apply

This role is listed by the employer on its own careers site. Kaam Ki Khoj does not process applications for it.

Company Overview

Larsen & Toubro
Larsen & Toubro · Mumbai, Maharashtra, India
799 open roles

Larsen & Toubro is an employer in the Construction/Engineering sector with operations in India. This is a directory listing maintained by Kaam Ki Khoj so that candidates can find the organisation; it is not an official company page and Kaam Ki Kh... Read More

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