Billing Engineer building pricing, payments, and usage - based billing systems for Tailscale’s secure networking platform. Integrating Stripe - like services and improving billing reliability.
About the role
- Senior Tunnel Engineer designing tunnels, shafts, and transit infrastructure for GHD’s Rail and Transportation business. Supporting analysis, reports, proposals, and client projects across Canada and internationally.
Responsibilities
- Assist with project work within GHD’s Rail and Transportation business and support tunnelling projects across Canada or internationally
- Assist with technical and administrative tasks associated with tunnel and station development
- Analyze tunnel liners and shaft designs using PLAXIS, FLAC, Rocscience, and similar tools
- Prepare tunnel reports and inputs for proposal tunnel components
- Attend client meetings with a supervisor
- Collect and analyze data using established tools, methods, and formats
- Contribute geological/geophysical field-data analysis and interpretation to well proposals
- Assist with reservoir characterization and simulation using engineering, flow-test, well-test, and historical production data
- Contribute to engineering solution development and feasibility testing
- Implement knowledge-management processes and participate in internal knowledge-sharing sessions
- Support data-management systems through advice and assistance
- Recommend technical developments to improve websites, portals, applications, and supporting infrastructure
- Develop capabilities through training, coaching, conferences, ongoing education, and professional accreditation
- Support technical troubleshooting and resolution of equipment and experiment issues
- Conduct research activities
- Work within established project-management plans to achieve goals
- Design exploration programs, including risk assessment and budgeting
- Help senior colleagues manage external client and customer relationships
Requirements
- Capability in working within tunnel design or construction teams
- Experience designing large diameter tunnels (6m+)
- Ability to design deep shaft and shoring structures
- Experience designing tunnels in soft ground and transit underground support structures
- Confident with analytical and numerical analysis methods
- Experience with PLAXIS, FLAC, Rocscience, and other industry-standard geotechnical software
- Strong knowledge of tunnelling and shaft construction methods, logistics, equipment, and methodology selection
- Experience calculating tunnel-induced settlement and analyzing damage to adjacent infrastructure
- Familiarity with settlement instrumentation and monitoring
- Tunnelling construction experience with TBMs and precast linings
- Knowledge of soft-ground tunnelling ancillaries, including ground treatment and ground freezing
- Familiarity with preparation of GBRs, review of GDRs, and geotechnical investigation planning
- Ability to prepare PSOS specifications
- Familiarity with cost estimating and scheduling for tunnel/shaft construction
- Experience preparing detailed design reports and construction reporting
- Excellent technical writing, presentation, and teamwork skills
- Ability to assist with project pursuits and proposal writing
- University graduate with a degree in geotechnical, geological, or civil engineering
- Professional status essential, e.g. P.Eng., or working towards it
- Proven experience in tunnel engineering, transportation, and rail projects
- Minimum of 8 years working on tunnel and underground projects, postgraduate
- Valid Ontario Driver’s License (G)
Benefits
- Hybrid workplace model with in-office collaboration and flexibility
- AI-supported recruiting process
- Reasonable accommodation for applicants with disabilities throughout the recruitment and selection process
- Diverse and inclusive workplace
- Equal opportunity employer
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