Senior Water/Wastewater Engineer at Mott MacDonald | Boston, MA, US | Rezi

Senior Water/Wastewater Engineer at Mott MacDonald

Senior Water/Wastewater Engineer

Mott MacDonald · Boston, MA, US

1 months ago

Senior Water/Wastewater Engineer

Mott MacDonald · Boston, MA, US

a month ago
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About the Role

Serve as a senior technical contributor and project delivery lead for municipal wastewater treatment, collection, and conveyance projects. Plan, design, and deliver new facilities and upgrades from initial studies through construction, working alongside regional wastewater leadership.

Responsibilities

  • Lead wastewater treatment planning, process evaluations, and facility designs.
  • Develop design criteria, calculations, hydraulic profiles, mass balances, equipment sizing, and facility layouts.
  • Design and evaluate headworks, primary and biological treatment, nutrient removal, clarification, disinfection, biosolids management, chemical feed systems, and ancillary systems.
  • Support sanitary sewer, force main, pump station, inflow and infiltration, and wet-weather management projects.
  • Prepare and review technical reports, drawings, specifications, cost estimates, and bid documents.
  • Manage technical tasks, project scope, schedules, budgets, and multidisciplinary coordination.
  • Provide construction-phase support, including submittal reviews, RFIs, field coordination, commissioning, and operational troubleshooting.
  • Mentor junior staff and provide technical quality assurance.
  • Build client relationships and support proposals, interviews, and regional business development.

Requirements

  • Bachelor’s degree in civil, environmental, chemical, or related engineering.
  • 10–15 years of progressively responsible wastewater engineering experience.
  • Strong municipal wastewater treatment process design experience.
  • Working knowledge of wastewater collection, conveyance, and pumping systems.
  • Experience delivering projects from planning and design through construction.
  • Demonstrated ability to lead technical teams and communicate effectively with clients and treatment plant operators.
  • Professional Engineer license in at least one US jurisdiction, with the ability to obtain licensure in New York, New Jersey, Pennsylvania, and Massachusetts.
  • Ability to travel to clients and project sites throughout the region.

Skills

  • Activated sludge and biological nutrient removal.
  • Plant hydraulics, wet-weather treatment, and solids handling.
  • Advanced treatment, membranes, intensification processes, water reuse, or industrial wastewater.
  • Plant commissioning, start-up, and operational troubleshooting.
  • Public-sector wastewater projects in New York, New Jersey, or Pennsylvania.
  • Proposal development, client management, and staff mentoring.

Location

  • New York
  • New Jersey
  • Pennsylvania
  • Massachusetts

Work Type

  • Hybrid

Experience Level

  • Senior

Education Level

  • Bachelor’s degree

Salary/Compensations

  • MA: $149000 - $182000
  • NY: $152000 - $186000
  • NJ: $143000 - $175000

Benefits

  • Performance-based bonuses
  • Medical coverage
  • Dental coverage
  • Vision coverage
  • FSA and HSA accounts
  • Company-paid life insurance
  • Short-term disability coverage
  • Long-term disability coverage
  • Competitive 401(k) plan with company matching
  • Paid time off
  • Paid holidays
  • Caregiver leave
  • Employee referral bonuses
  • Professional registration and membership reimbursements
  • Tuition assistance

About the Company

  • Mott MacDonald is a trusted engineering, management, and development consultancy driven by purpose and powered by brilliant people.
  • We work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.
  • We value fresh perspectives, encourage collaboration, and provide opportunities to expand skills, take on new challenges, and grow careers.
  • We are committed to helping employees succeed by deepening technical expertise, broadening leadership experience, or exploring new opportunities.

Equal Opportunity

  • All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.