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Senior Linear Water and Wastewater Infrastructure Engineer

  • Markham, ON
  • On-site
  • Posted Oct 1, 2026
  • 1 position

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Employment type
Full-time
Experience level
Lead · 10+ years
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Apply on LinkedIn (LinkedIn sign-in required)

Job summary

Lead and manage water and wastewater infrastructure projects from conceptual planning and assessment through detailed design, contract documentation, and construction support. Direct project teams and coordinate with clients, agencies, subconsultants, and the public while overseeing schedules, budgets, quality, and staff development.

Job details

Job Function: Working in the CFA Linear Infrastructure Group, this position in general comprises project and staff management, conceptual planning, assessment, analysis, Class EA study and detailed design and contract document preparation, support during construction and business development/client liaison for water and wastewater infrastructure projects (distribution and transmission watermains, sanitary/storm local and trunk sewers, water and wastewater pumping and storage facilities, stormwater management and drainage works and infrastructure rehabilitation and/or upgrade). Responsibilities: Carry out and manage all aspects of design for water and wastewater infrastructure projects Collaborate with multidisciplinary design teams Provide leadership in the assessment and development of detailed designs for projects involving water and wastewater infrastructure Understand and apply the current design guidelines, criteria and standards (OPS, OPSD, MECP, Region/Municipal, clients’ own, etc.) Develop designs through all design phases, conceptual to detailed designs Analysis, evaluate appropriate design solutions and design of water and wastewater infrastructure Perform design calculations and documentation for water and wastewater infrastructure projects Supervise, oversee and review calculations and designs performed by junior engineers, EITs and other technical staff Perform Independent Design Check calculations Develop and administer preparation of construction plans for water and wastewater infrastructure projects Coordinate with and direct CAD production activities for design production Prepare and review technical reports, tender documents including technical special provisions to accompany construction plans Develop quantity and expected construction cost estimates in support of plan, specification and estimate scopes of work Prepare project schedules and budgets, reports on project status including Earned Value Prepare task project documentation including PMP plan, issues log, risk log, utility matrices, etc. Develop engineering studies, reports and documentation Conduct quality control activities for independent review and checking of designs Liaise with relevant agency / regulatory approval agencies and adhere to processes pertaining to municipal engineering projects Liaise with other project stakeholders including the public through public consultation processes and attending public information meetings Interface with clients for project delivery, attend client meetings and presentations Coordination with sub-consultants Lead a project team of engineers including training, development, recruiting and ongoing guidance and mentorship of team Perform other duties as required Qualifications: Ten years experience in leading Transmission Watermains and Trunk Sewer Linear Projects P.Eng. designation in Ontario Experience in rehabilitation large diameter transmission mains and sewer trunks; using established trenchless technologies and products Experience in micro tunneling and tunneling projects Experience in sewer and water hydraulic modeling Hydraulic transient analysis for large diameter transmission mains Experience with local municipal systems would be considered an asset Ability to work well with minimal direct supervision and exercise independent judgement and being a “self-starter” How to Apply Please email your cover letter and CV as one PDF to careers@chisholmfleming.com

What you’ll do

Lead and manage water and wastewater infrastructure projects from conceptual planning and assessment through detailed design, contract documentation, and construction support. Direct project teams and coordinate with clients, agencies, subconsultants, and the public while overseeing schedules, budgets, quality, and staff development.

Requirements

Requires at least ten years of experience leading transmission watermain and trunk sewer linear projects, along with an Ontario P.Eng. designation. Candidates should have experience with large-diameter infrastructure rehabilitation, trenchless technologies, microtunneling or tunneling, sewer and water hydraulic modeling, and transient analysis of large-diameter transmission mains.

Listed skills

  • Project management · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Water And Wastewater Infrastructure Design
  • Transmission Watermain And Trunk Sewer Projects
  • Project Management
  • Staff Leadership And Mentorship
  • Hydraulic Modeling
  • Hydraulic Transient Analysis
  • Trenchless Rehabilitation Technologies
  • Microtunneling And Tunneling
  • Design Calculations And Independent Design Checks
  • Class Environmental Assessment Studies
  • Construction Plans And Contract Documents
  • Cost Estimating And Budgeting
  • Quality Control And Design Review
  • Regulatory Approvals And Public Consultation
  • Client And Stakeholder Coordination
  • P.Eng. (Ontario)

Job areas

  • Engineering
  • Construction
  • Management & Leadership
  • Environmental & Sustainability
  • Consulting

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