Six Figure Work

Process Mechanical Water and Wastewater Engineer Lead

AECOM

Company websiteaecom.com (AECOM, opens in new tab)

Base salary $117K  to $135K

Employer-published annual base salary, USD. Advertised base range in Philadelphia, PA

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  • LocationPhiladelphia, PA
  • WorkplaceHybrid
  • Status at last checkSource accepting applications when checked
  • Last checked (9 min ago) · observed since

About this job

Company Description

Work with Us. Change the World.

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.

Job Description

AECOM is actively seeking highly motivated Process Mechanical Water and Wastewater Engineer Lead for employment in our Water Business Line based out of our Philadelphia, PA office. 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.

Qualifications

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).

Additional Information

  • Sponsorship is not available for this position.
  • Relocation is not available for this position.

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 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 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

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. 

Source: AECOM on SmartRecruiters · View original posting (opens in new tab)

Pay in context

This role's base floor ($117,000) is above 28% of the 63 Engineering (non-software) roles in Pennsylvania listed on this site; 3 others list the same floor. Their median floor is $125,100; the middle half runs from $115,000 to $149,000.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 8, 2026.

This range next to 6 other live AECOM roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live AECOM roles with the nearest advertised base floor
RolePublished base
Process Mechanical Water and Wastewater Engineer Lead (this listing)$117K - $135K
Project Engineer, Signaling and Train Control$120K - $180K
Project Engineer, Signaling and Train Control$120K - $180K
Project Engineer, Signaling and Train Control$120K - $180K
Project Manager / Construction Manager II$125K - $150K
Project Manager / Construction Manager II$125K - $150K
ICT Designer, Data Centers - Remote (US)$125K - $145K

Same $100K to $400K scale as every card. All AECOM roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. fields changed
  3. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-08-19
Where this pay comes from

Location as the employer wrote it: Offered compensation will be based on location and individual qualifications. The expected range is

USD 117,000 – 135,000 · annual (nosalary B: compensation.period YEARLY) · salary · Offered compensation will be based on location and individual qualifications. The expected range is

Method
Structured pay field published by the employer
Checked
Rule set
us-base-v2

The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.

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