Tunnel Engineer

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Job Description:

Parsons is looking for an amazingly talented Tunnel Engineer – TTT Bored Tunnels & Cavern Works to join our team! In this role you will get to provide technical and site engineering support for TBM tunnelling and underground cavern construction activities. You will support the delivery of bored tunnels and underground works by ensuring construction is executed in accordance with approved designs, construction methodologies, quality standards, and project safety requirements while coordinating closely with contractors and multidisciplinary project teams.
 

What You'll Be Doing

• Support the delivery of TBM tunnelling and underground cavern construction activities throughout the project lifecycle.
• Monitor TBM tunnelling operations, including segmental lining installation, backfill grouting, TBM advance, and operational performance.
• Assist in supervising cavern excavation works using NATM, SEM, drill and blast, or other approved excavation methodologies.
• Review construction activities to ensure compliance with IFC drawings, approved method statements, project specifications, and construction procedures.
• Prepare and coordinate Requests for Information (RFIs) and support the resolution of technical site issues.
• Support all phases of the TBM lifecycle, including assembly, launch, production tunnelling, breakthrough, reception, recovery, and decommissioning.
• Assist in planning and monitoring TBM dismantling, component removal, temporary works removal, and demobilization activities.
• Coordinate daily engineering activities with contractors, subcontractors, and construction teams.
• Interface with Geotechnical, Survey, QA/QC, Design, and HSE teams to resolve technical issues and maintain construction progress.
• Coordinate engineering activities across tunnels, caverns, shafts, cross-passages, and access adits.
• Monitor and interpret geotechnical instrumentation, settlement monitoring, tunnel convergence, and ground movement data.
• Verify installation and quality of ground support systems, including shotcrete, rock bolts, steel ribs, waterproofing systems, and segmental tunnel linings.
• Identify unexpected ground conditions and support reporting in accordance with project Geotechnical Baseline Report (GBR) requirements.
• Monitor TBM advance rates, cavern excavation progress, and construction productivity.
• Support short-term planning, look-ahead schedules, progress reporting, and construction performance reviews.
• Prepare daily, weekly, and monthly engineering and construction progress reports.
• Promote compliance with project Health, Safety, and Environmental (HSE) requirements and Life-Saving Rules.
• Monitor high-risk underground activities, including confined space entry, lifting operations, TBM works, and underground construction activities.
• Participate in toolbox talks, safety inspections, incident investigations, and corrective action implementation.
• Support QA/QC inspections for tunnel linings, waterproofing systems, shotcrete application, and permanent support installations.
• Maintain accurate engineering records, inspection reports, site diaries, and construction documentation.
• Assist in preparing as-built records, handover documentation, and project closeout deliverables.
• Perform other responsibilities associated with this position as appropriate.
   

What Required Skills You'll Bring

• Bachelor's Degree in Civil Engineering, Mining Engineering, Tunnelling Engineering, or a related discipline.
• Minimum 10+ years of experience in tunnelling, underground construction, or major infrastructure projects.
• Experience supporting TBM tunnelling projects using Earth Pressure Balance (EPB), Slurry, or Hard Rock Tunnel Boring Machines.
• Experience supporting underground cavern excavation using NATM, SEM, drill and blast, or similar excavation methods.
• Strong understanding of:
• TBM operations and tunnelling processes
• Underground excavation techniques
• Ground support systems
• Segmental lining installation
• Backfill grouting
• Tunnel waterproofing systems
• Experience reviewing construction drawings, engineering specifications, method statements, and technical submittals.
• Experience supporting construction supervision, site engineering, and contractor coordination.
• Knowledge of geotechnical monitoring, tunnel convergence, settlement monitoring, and ground movement assessment.
• Experience coordinating with multidisciplinary engineering teams, contractors, consultants, and project stakeholders.
• Understanding of QA/QC inspection processes, construction quality requirements, and documentation standards.
• Familiarity with EN, BS, ITA, and other relevant tunnelling standards and industry best practices.
• Strong analytical, technical problem-solving, and engineering coordination skills.
• Excellent written and verbal communication skills.
• Ability to work effectively within large multidisciplinary infrastructure programs.
   

What Desired Skills You'll Bring

• Experience delivering large-scale transportation, metro, rail, highway, utility, or underground infrastructure projects.
• Experience working on major international tunnelling or underground construction programs.
• Knowledge of Geotechnical Baseline Reports (GBR), Ground Investigation Reports (GIR), and geotechnical risk management.
• Experience supporting TBM launch shafts, reception shafts, cross passages, and underground interface works.
• Familiarity with digital construction tools, BIM, and construction management platforms.
• Experience supporting construction planning, look-ahead scheduling, and production monitoring.
• Strong understanding of underground construction safety and confined space operations.
• Experience working within client, PMC, EPC, or Delivery Partner project environments.
• Professional registration or membership with a recognized engineering institution is an advantage.
• Strong stakeholder management and multidisciplinary coordination skills.
• Ability to mentor junior engineers and promote continuous improvement in tunnelling and underground construction practices.
• Commitment to delivering safe, high-quality, and technically compliant underground infrastructure projects.

Parsons equally employs representation at all job levels no matter the race, color, religion, sex (including pregnancy), national origin, age, disability or genetic information.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

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