Process Supervisor Engineer

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow.  We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships.

Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Role

Amentum is seeking an experienced Process Supervisor Engineer to provide technical leadership and supervision for water and wastewater treatment projects. The role will support the development and delivery of safe, efficient and sustainable process solutions, ensuring compliance with client requirements, industry standards and regulatory obligations throughout the project lifecycle.

Key Responsibilities

• Lead and supervise process engineering activities across water and wastewater projects.

• Develop and review process designs, calculations, specifications, PFDs and P&IDs.

• Support process selection, equipment sizing, hydraulic assessments and treatment performance evaluations.

• Provide technical guidance and mentorship to process engineers and designers.

• Coordinate process engineering activities with civil, mechanical, electrical, ICA and commissioning teams.

• Participate in design reviews, HAZOPs, risk assessments and technical workshops.

• Support construction, commissioning, troubleshooting and performance testing activities.

• Ensure process designs meet safety, environmental, quality and operational requirements.

• Liaise with clients, suppliers, contractors and project stakeholders to resolve technical issues and support project delivery.

Essential Requirements

• Qualification in Chemical, Process, Environmental, Water Engineering or a related discipline, or equivalent industry experience.

• Strong experience in water and/or wastewater process engineering.

• Proven experience in process design, engineering calculations and technical delivery.

• Good knowledge of water and wastewater treatment processes and associated equipment.

• Experience supervising engineers and working within multidisciplinary project teams.

• Strong understanding of engineering safety, risk management and quality assurance.

• Excellent communication, organisational and problem-solving skills.

Desirable Requirements

• Chartered Engineer status (CEng) or working towards professional registration.

• Membership of a relevant professional institution (IChemE, CIWEM, ICE, IMechE or equivalent).

• Experience delivering projects for UK water utilities.

• Knowledge of process modelling, hydraulic modelling and process safety reviews.

• Experience supporting projects through feasibility, design, construction and commissioning.

• Understanding of sustainability, carbon reduction and whole-life asset optimisation.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion in everything we do. We know that if we are inclusive, we’re more connected, and we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks.

We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

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