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Arcadis

Senior Water/Wastewater Project Manager

Arcadis

. Lead and manage the planning, design, and construction administration of municipal water, wastewater, and stormwater projects .

Posted 11/6/2026full-timeSt. Louis • Missouri • United StatesSenior💰 $110,000 - $150,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in managing municipal water, wastewater, and stormwater projects, ensuring compliance with regulatory standards and delivering high-quality results. Proven ability to lead project teams, mentor engineers, and develop client relationships while managing project scope, budgets, and schedules.

Highest-signal resume keywords
Project ManagementWater/Wastewater EngineeringProfessional Engineer (PE) LicenseClient ManagementTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Municipal Infrastructure PlanningEngineering CalculationsConstruction Document DevelopmentFeasibility StudiesModelingProcess AnalysisCost EstimationQA/QC ReviewDesign EffortsConstruction Administration
Soft Skills
Strong CommunicationTeam LeadershipMentorshipClient Relationship BuildingStrategic Leadership
Certifications & Qualifications
Bachelor's Degree in EngineeringProfessional Engineer (PE) License in Missouri
Industry Keywords
Water InfrastructureWastewater InfrastructureStormwater ManagementRegulatory ComplianceConstruction OversightBusiness DevelopmentTechnical MemorandaClient PresentationsStakeholder RelationshipsQuality and Safety Practices

About the role

Key responsibilities & impact
  • Lead and manage the planning, design, and construction administration of municipal water, wastewater, and stormwater projects
  • Ensure compliance with client requirements, regulatory standards, and Arcadis quality and safety practices
  • Serve as a client-facing Project Manager responsible for project scope, schedule, budget, quality, and overall delivery performance
  • Lead engineering evaluations, feasibility studies, modeling, process analyses, and design efforts
  • Direct preparation and review of engineering calculations, reports, technical memoranda, plans, specifications, and cost estimates
  • Provide technical leadership as a design lead, QA/QC reviewer, or subject matter expert
  • Coordinate and oversee project teams, subconsultants, and technical staff
  • Mentor developing engineers and support professional growth
  • Support construction-phase services, including construction administration, equipment startup, commissioning, and contractor/owner coordination
  • Build and maintain municipal client and stakeholder relationships
  • Identify opportunities to expand services and develop new business
  • Lead proposal development, including pursuit strategy, client presentations, scope development, staffing plans, schedules, and fee estimates
  • Collaborate with regional leadership to increase Arcadis' visibility and market presence
  • Participate in professional organizations, industry conferences, and technical committees through presentations, publications, and networking
  • Travel for client meetings, project workshops, site visits, construction oversight, and business development as needed

Requirements

What you’ll need
  • Bachelor's Degree in Civil, Environmental, Mechanical, Chemical Engineering, or a related engineering discipline
  • Professional Engineer (PE) license in Missouri or ability to obtain Missouri licensure through reciprocity
  • Minimum 10 years of water/wastewater engineering experience
  • At least 5 years of project management experience leading multidisciplinary water, wastewater, and/or stormwater projects
  • Experience with planning, design, and construction support for municipal infrastructure projects
  • Experience managing project scope, budgets, schedules, and technical delivery
  • Experience developing construction documents, including plans, specifications, technical reports, and cost estimates
  • Strong communication, client management, and team leadership skills
  • Technical expertise across water, wastewater, and stormwater infrastructure
  • Strategic leadership and business acumen
  • Ability to manage multiple priorities and complex projects simultaneously
  • Collaborative team leadership and mentorship abilities
  • Excellent verbal, written, and presentation skills
  • Commitment to quality, safety, and client success

Benefits

Comp & perks
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Employee Assistance Program (EAP)
  • 401(k)
  • Short-term disability (STD)
  • Long-term disability (LTD)
  • AD&D insurance
  • Life insurance
  • Paid parental leave
  • Reward & recognition program
  • Wellbeing benefits
  • Adoption assistance
  • Tuition reimbursement
  • Nine paid holidays
  • 15 days PTO accruing per year