Tunnel Engineer (TBM Specialist Survey Engineer)

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Quick Summary

Key Responsibilities

Prepare daily/weekly survey reports, including trend analysis of alignment deviations, and contribute to risk registers or non-conformance reports. Assist in monitoring TBM tunneling operations,

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Job Description:

Tunnel Engineer (TBM Specialist Survey Engineer)

Responsibilities

~4 min read

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Prepare daily/weekly survey reports, including trend analysis of alignment deviations, and contribute to risk registers or non-conformance reports.
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Assist in monitoring TBM tunneling operations, including alignment checks, surface monitoring(settlement/heave).
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Support surveys work in terms of traverse calculations review, implementation of tunnel CenterPoint at stations, reviewing tunnel virtual axis calculation and checking TBM alignment to remain within allowable tolerances.
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Establish and maintain primary and secondary control networks inside the tunnel, including transfer of surface control points through shafts.
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Awareness of TBM survey software for ring installation vertical/horizontal curves.
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Calculation review for TBM guidance data, including laser target extension and alignment inputs within the tunnel till the TBM.
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Review and assist in checking TBM roll, pitch, and yaw, bored tunnel lips & steps to report deviations to senior engineers.
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Participate in breakthrough preparations, including precise alignment surveys and coordination with the receiving shaft team.
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Help conduct 3D measurements for tunnel alignment before/after breakthroughs and during TBM break-In and break‑Out as well as the Annexes locations.
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Assist in wriggle surveys and as‑built surveys, ensuring accurate data collection and documentation.
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Support identification of critical zones requiring special rings based on survey information.
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Assist in reviewing setting‑out points for NATM tunnel connections and annex interfaces.
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Support 3D survey checks for moulds and precast segments during production.
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Assist in reviewing shop drawings, method statements, and survey‑related documents under the direction of the Tunnel Engineer.
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Provide on‑site technical support to ensure compliance with quality and safety requirements.
→
Coordinate with surveyors, inspectors, and contractor teams to resolve minor survey‑related issues.
→
Maintain daily survey logs, alignment records, and progress documentation.
→
Support preparation of as‑built documentation and ensure accuracy of survey data.
→
Assist in preparing weekly/monthly progress inputs related to survey and TBM alignment.
→
Review the validity for calibration and maintenance documents of survey equipment, including total stations, prisms, targets, and TBM-integrated sensors.
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Collaborate with the instrumentation and monitoring team to integrate survey data with geotechnical readings for holistic tunnel performance assessment.
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Ensure all survey activities comply with project specifications, international standards (e.g., ITA guidelines), and local regulatory requirements.
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Support emergency response surveys in case of unexpected ground movements or machine stoppages.
→
Follow RTA safety procedures and promote safe work practices in tunneling environments.
→
Prepare daily/weekly survey reports, including trend analysis of alignment deviations, and contribute to risk registers or non-conformance reports.
→
Assist in monitoring TBM tunneling operations, including alignment checks, surface monitoring(settlement/heave).
→
Support surveys work in terms of traverse calculations review, implementation of tunnel CenterPoint at stations, reviewing tunnel virtual axis calculation and checking TBM alignment to remain within allowable tolerances.
→
Establish and maintain primary and secondary control networks inside the tunnel, including transfer of surface control points through shafts.
→
Awareness of TBM survey software for ring installation vertical/horizontal curves.
→
Calculation review for TBM guidance data, including laser target extension and alignment inputs within the tunnel till the TBM.
→
Review and assist in checking TBM roll, pitch, and yaw, bored tunnel lips & steps to report deviations to senior engineers.
→
Participate in breakthrough preparations, including precise alignment surveys and coordination with the receiving shaft team.
→
Help conduct 3D measurements for tunnel alignment before/after breakthroughs and during TBM break-In and break‑Out as well as the Annexes locations.
→
Assist in wriggle surveys and as‑built surveys, ensuring accurate data collection and documentation.
→
Support identification of critical zones requiring special rings based on survey information.
→
Assist in reviewing setting‑out points for NATM tunnel connections and annex interfaces.
→
Support 3D survey checks for moulds and precast segments during production.
→
Assist in reviewing shop drawings, method statements, and survey‑related documents under the direction of the Tunnel Engineer.
→
Provide on‑site technical support to ensure compliance with quality and safety requirements.
→
Coordinate with surveyors, inspectors, and contractor teams to resolve minor survey‑related issues.
→
Maintain daily survey logs, alignment records, and progress documentation.
→
Support preparation of as‑built documentation and ensure accuracy of survey data.
→
Assist in preparing weekly/monthly progress inputs related to survey and TBM alignment.
→
Review the validity for calibration and maintenance documents of survey equipment, including total stations, prisms, targets, and TBM-integrated sensors.
→
Collaborate with the instrumentation and monitoring team to integrate survey data with geotechnical readings for holistic tunnel performance assessment.
→
Ensure all survey activities comply with project specifications, international standards (e.g., ITA guidelines), and local regulatory requirements.
→
Support emergency response surveys in case of unexpected ground movements or machine stoppages.
→
Follow RTA safety procedures and promote safe work practices in tunneling environments.

Bachelor's degree in Civil, Survey, Geomatics engineering, or a related field.
Minimum 8 years of experience in TBM tunnel construction, surveying, or infrastructure projects (metro experience preferred).
Basic understanding of TBM operations, tunneling sequences, and underground construction methods.
Familiarity with survey software & instruments (total station, laser guidance, 3D scanners) and basic tunnel alignment principles.
Ability to assist in reviewing traverse, alignment calculations, 3D measurements, and setting‑out points.
Basic knowledge of tunneling elements & sequences, (steel ribs, shotcrete, precast segments, mobile scaffold).
Ability to read engineering drawings and follow method statements.
Proficiency in MS Office and basic engineering/survey software.
Good written and verbal communication skills in English.
Strong commitment to safety, accuracy, and teamwork.
UAE/GCC experience in consultancy or construction is an advantage.

Experience supporting survey works in metro, TBM, or NATM projects.
Ability to identify minor construction or alignment issues and escalate them appropriately.
Strong coordination skills for working with engineers, surveyors, and contractors.

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