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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.

Start here. Grow here. 

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 nearly 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 a leading provider of professional and technical support to the water industry, local government and private developers.

We are looking for a talented Process Engineer with proven technical capacity to join our water team.

You will have the opportunity to work within a dynamic team on a challenging mix of projects in water and wastewater engineering. If you are interested in working in a thriving business as part of a motivated and growing team, driving innovation and sustainable solutions then we are interested in hearing from you.

• An interest in the water and / or wastewater treatment field; a wish to develop and gain knowledge and experience of primary and storm treatment processes, activated sludge, biological filtration, granular activated sludge systems, final settlement, package systems, membrane systems, sludge thickening dewatering and disposal, odour control and modelling, clean water treatment and chemical dosing plants.
• Undertake process flow diagrams, mass balance calculations, a basic knowledge of PID’s and the principles therein.
• Develop and complete process engineering calculations, e.g., sizing of unit operations, and the associated design constraints.
• Undertake survey and assessments of existing process/equipment (asset surveys); site visits to complete if required.
• Feasibility and Optioneering Studies for wastewater treatment processes.
• Undertake the role of technical secretary or scribe in HAZOP meetings with clients and develop an interest in this area (e.g., HAZOP, FMEA etc.).
• Communicate effectively with clients and key stakeholders.
• Ensure all technical documents and data are prepared and structured in accordance with relevant design standards and legislation, and AECOM QA standards.
• Ensure the proposed design satisfies all operational and safety requirements and client technical standards.
• Check and verify engineering documents in line with the appropriate technical and quality plans.
• Providing documentation and drawing deliverables on time to meet project deadlines.
• Assisting with the checking the work of other junior staff; knowledge of AECOM technical QA procedures.
• Able to provide process commissioning support to site teams, if appropriate.
• Represent AECOM in technical meetings with clients and work with engineers from other disciplines, ensuring an appropriate integrated solution.
• An interest in emerging wastewater technologies and wastewater treatment innovation
• To be an effective advocate and supporter of AECOM corporate strategic values and principles

Requirements:

• An ambition to work towards Chartered Engineer status with IChemE or CIWEM.
• Excellent report writing, communication and teamwork skills.

• Willingness to travel to meet the needs of specific projects is desirable.
• Analytical and problem solving, attention to detail and creative thinking.
• Experience in design and build projects would be advantageous although not essential.
• Comfortable in the use of Microsoft office suite and Microsoft Teams.
• Knowledge of AutoCad and 3D design models such as Revit would be an advantage.
• Some level of commercial awareness, along with a willingness to learn.
• An ability to take direction and guidance, aligned with a positive attitude.
• An interest in municipal water and wastewater treatment, along with the associated unit processes and relevant design standards.
• A keen interest in functional safety (HAZOP studies)

Degree educated (MEng or MSc) or equivalent in Chemical Engineering or similar

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours. We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address [email protected]  if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.

Applicants are encouraged to apply as early as possible since CVs will be reviewed, and candidates selected on a rolling recruitment basis.  Please include a covering letter with your application and provide all predicted and/or obtained academic grades.

You must have permanent right to work in the UK &/or Ireland as we unable to offer visa sponsorship 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 the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address [email protected]  if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.