Mechanical Process Engineer - job 1 of 2

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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 a highly motivated Mechanical Process Engineer for employment in the Chelmsford, MA office. This Mechanical Process engineer position will involve a variety of new and renovations to existing water treatment facilities, water booster pump stations, and wastewater pumping and treatment facilities.

This position will be heavily focused on the detailed technical design associated with these facilities including:

• Pumps, piping, valves, etc.
• Headworks, screening, grit removal systems
• Aeration, filtration, separation, dewatering and clarification systems
• Odor control systems
• Chemical feed systems
• Disinfection
• Sludge and residual handling systems
• Work closely with project managers and design managers.
• Develop process flow diagrams and assist with the development of process & instrumentation diagrams (P&IDs).
• Perform hydraulic calculations for pump sizing including total dynamic head and operating points, net positive suction head margin, suction specific speed and submergence.
• Research equipment and system design recommendations.
• Coordinate with equipment vendors on equipment selections and draft specifications.
• Develop technical specifications, equipment and piping plans, elevations, section and details.
• Perform engineering related calculations for process equipment sizing and selection.
• Verify compliance with applicable codes and engineering standards / practices.
• Coordinate with other in-house engineering disciplines as needed.
• Review shop drawings of proposed equipment from the construction contractor.
• Performs specific and moderate portions of a broader assignment of an experienced engineer.
• 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 using modifications of standard procedures or methods developed in previous assignments.
• Identifies discrepancies in results.
• Provides guidance to entry level engineers.
• Performs work in accordance with agreed upon budget and schedule with little supervision.
• Independently performs all the tasks necessary to complete primary design elements for engineering works.
• Performance at this level requires developmental experience in a professional position.

Minimum Requirements:

• Bachelor's degree in engineering and 6 years of experience in design and layout of mechanical process piping, valves, equipment, etc.
• 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).

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 2024. 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.