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Process Mechanical Water and Wastewater Engineer Lead

AECOM

Company : AECOM

Location : Chelmsford, MA, 01824

Posted Date : 1 November 2025

Job Details

Process Mechanical Water and Wastewater Engineer Lead

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is actively seeking highly motivated Process Mechanical Water and Wastewater Engineer Lead for employment in our Water Business Line based out of our suburban Boston, MA located in Chelmsford, MA. This is a project-based engineering position to assist and support Wastewater/Water Treatment Plant Design, Design-Build and Program Management Projects. The Position will work with Project Managers and other technical disciplines on all project phases including Facility Planning, Design, Procurement, Construction and Close Out. Work will include assisting coordination of design projects on municipal Wastewater/Water facilities. Field work will be required and field visits to project sites within the Boston Metro area will be required to provide support as design liaison on ongoing construction projects.

Responsibilities Include, but are not limited to:

Responsible for engineering, design, and rehabilitation activities related to process mechanical equipment, vessels and tanks and piping systems including equipment and piping specifications and procurement. May be involved with the support of installation and operation & maintenance of equipment.

  • Builds analytic and design skills.
  • Conducts engineering design under the supervision of an experienced engineer.
  • Evaluation and selection of process equipment, pumping systems, pipe materials, and valves under the supervision of an experienced engineer.
  • Technical report writing.
  • Construction services support (e.g., shop drawing review).
  • Creates designs, calculations, sketches, diagrams, schematic drawings, and final working drawings under the supervision of an experienced engineer.
  • Collects and analyzes data under the supervision of an experienced engineer.
  • Uses computer software as a tool for solving basic engineering problems.
  • Performs work in accordance with agreed upon budget and schedule under supervision.
  • Gathers and correlates basic engineering data using established and well-defined procedures.
  • Works on detailed or routine engineering assignments involving calculations and relatively simple tests.
  • Proposes approach to solve new problems encountered.
  • Identifies discrepancies in results.
  • Performs work in accordance with agreed upon budget and schedule with moderate supervision.

Minimum Requirements:

  • Bachelor's degree in civil, chemical or mechanical engineering + 6 years of experience or demonstrated equivalency of experience and/or education.
  • Licensed Professional Engineer.

Preferred Qualifications:

  • 8+ years of experience in design and layout of mechanical process piping, valves, equipment, etc.
  • Proficient with AutoCAD and REVIT.
  • Experience in the water/wastewater industry.
  • Ability to work with a diverse team.
  • Excellent oral and written communication skills.
  • Detail-oriented and technical, yet experienced enough to see the big picture.
  • Experienced, self-directed professional.
  • Ability to work independently with minimal oversight.
  • Ability to meet quality, schedule and budget expectations.
  • Ability to multi-task and be flexible and able to adapt to rapidly changing project requirements and deadlines.
  • Ability to apply passion and enthusiasm for design in a collaborative and progressive team-oriented work environment.
  • Proficient in Microsoft Office Suite (Word, Excel, Power Point).

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 2024. Learn more at aecom.com.

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.

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