Senior Site Inspector, Tunnel Practice

AECOM is seeking a Senior Site Inspector in Mississauga Ontario or Markham Ontario to join our Tunnel Practice to oversee on-site construction activities for underground works including TBM and SEM/NATM tunnels and support of excavation ensuring safe compliant and efficient delivery aligned with approved drawings specifications method statements and Inspection Test Plans (ITPs). This is a newly created position.

Job Responsibilities

• In this role you will coordinate daily inspections and field engineering efforts manage RFIs and site clarifications from drafting to closeout and review temporary works set-outs sequencing and hold/witness points.
• You will maintain comprehensive daily logs photo records and concise progress reports to document site conditions and activities.
• You will verify TBM launch and arrival readiness monitor operational parameters and oversee the quality of segment installations and interventions.
• Your responsibilities will include managing SEM headings and sequencing shotcrete application and testing as well as inspecting lattice girders steel ribs and temporary linings while validating excavation classes.
• You will inspect and control support of excavation (SOE) systems including diaphragm/slurry walls secant/soldier piles and lagging sheet piles struts/bracing and ground anchors ensuring proper sequencing preloading lock-off and as-built traceability.
• Additionally you will implement and track instrumentation and monitoring systems (settlement points prisms inclinometers piezometers extensometers load cells) interpret trends against trigger/action thresholds and initiate timely mitigations and design check-backs.
• You will enforce quality assurance and quality control (QA/QC) measures including material approvals inspections and the closure of non-conformance reports (NCRs) and site notifications (SNs).
• Upholding safety and environmental controls will be paramount including managing permits-to-work job safety analyses (JSAs) task hazard analyses (THAs) confined space protocols and noise/vibration/dust management.
• You will proactively coordinate with geotechnical structural MEP utilities survey contractor designer and client teams to resolve constraints and protect project schedules and quality.

Qualifications :

Minimum Requirements

• BS 6 years of relevant experience or demonstrated equivalency of experience and/or education

Preferred Qualifications

• Masters degree in civil or Geotechnical Engineering is highly preferred.

• We value strong communication and documentation skills proficiency with construction documents and common CDE/field tools.

• The ideal candidate will have 5 years of heavy civil/underground experience with TBM and/or SEM/NATM familiarity with monitoring data interpretation and the ability to support change management processes (RFIs claims inputs time-impact analyses).

• Flexibility to work in active tunnel and shaft environments is essential.

Additional Information :

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status AECOM benefits may include medical dental vision life AD&D disability benefits paid time off leaves of absences voluntary benefits perks flexible work options well-being resources employee assistance program business travel insurance service recognition awards retirement savings plan and employee stock purchase plan. 

AECOM is the global infrastructure leader committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities we solve our clients complex challenges in water environment energy transportation and buildings. Our teams partner with public- and private-sector clients to create innovative sustainable and resilient solutions throughout the project lifecycle from advisory planning design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at . 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts youll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills helping you build the career youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening assessment and selection of applicants for this role. Final hiring decisions are made by the hiring team.

Remote Work :

No

Employment Type :

Full-time