AECOM

Senior Material Specialist, Tunnel Practice

AECOM$90K — $110K *
Real Estate & Construction
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS in civil engineering with 6+ years of relevant experience or equivalent education/experience.
  • Master's degree in civil engineering is preferred, with demonstrated international experience.
  • Proficiency in Canadian codes and international standards from overseas assignments.
  • Strong communication and coordination skills necessary for team collaboration.
  • Experience in bridging design and site execution with a hands-on approach.

Responsibilities

  • Develop and validate criteria for durability and service-life models.
  • Select appropriate materials and protective systems based on relevant standards.
  • Plan and interpret various laboratory and field testing methods for material performance.
  • Provide on-site support during construction by addressing RFIs and clarifying technical issues.
  • Contribute to risk management by tracking and documenting durability assumptions and deviations.

Benefits

  • Commitment to a secure recruitment process with a focus on preventing fraud.
  • Mandatory in-person onboarding on Day 1 to integrate new hires into company culture.
Full Job Description
Job Description

AECOM is seeking a Senior Material and Durability Specialist to join our Tunnel Practice in Mississauga, Canada. This candidate will lead durability design and materials engineering for civil infrastructure from design through construction and commissioning. This is a new position.

Responsibilities:
  • Develop and validate durability criteria, service-life models, and exposure classifications; select materials and protective systems (concrete/shotcrete mix designs, SCMs, steel protection, grout, waterproofing, sealants, coatings) aligned with CSA (e.g., A23.1/A23.2, S6) and relevant ACI/ASTM/EN standards; and review submittals, supplier qualifications, mix trials, and mock-ups.
  • Plan and interpret laboratory and field testing (e.g., RCPT/bulk resistivity, chloride diffusion, carbonation, ASR mitigation, sulphate resistance, freeze-thaw, petrography, pull-off adhesion, permeability/leakage, rebar corrosion/half-cell) and translate results into clear recommendations, acceptance decisions, and corrective actions.
  • Provide construction-phase support by responding to RFIs and site clarifications, troubleshooting material nonconformances, optimizing curing and placement practices, and verifying conformity through ITPs, batch plant oversight, production monitoring, and as-built traceability.
  • Contribute to risk and change management by documenting durability assumptions, tracking deviations, advising on lifecycle/maintenance implications, and preparing concise technical reports for clients and contractors.


Qualifications

Minimum Requirements:
  • BS + 6 years of relevant experience or demonstrated equivalency of experience and/or education.

Preferred qualifications:
  • Master's degree in civil engineering with minimum 6 years of demonstrated experience across Canada and overseas to lead durability design and materials engineering for civil infrastructure from design through construction and commissioning highly preferred.
  • Strong communication, coordination, and digital documentation skills are essential, along with fluency in Canadian codes and international practices gained on overseas assignments.
  • Experience bridging design intent to site execution, coaching field teams, and working flexibly in plant, lab, and active construction environments is highly valued.


Additional Information

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental, energy, water and government. With approximately 45,000 employees around the world, AECOM is a leader in all of the key markets that it serves. AECOM provides a blend of global reach, local knowledge, innovation and technical excellence in delivering solutions that create, enhance and sustain the world's built, natural, and social environments. A Fortune 500 company, AECOM serves clients in more than 150 countries and had revenue of $8.0 billion during the 12 months ended March 31, 2014.

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Learn more about AECOM
Size
51,000 employees
Market Cap
$11.8 billion
Industry
Net Income
-$200.8 million
Founded
1990
5 Year Trend
-6.3%
Revenue
$13.3 billion
NASDAQ

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