Senior Water/Wastewater Design Engineer

Job ID: 40993Reference: 300015493258307Location: Philadelphia, PA, United States | East Windsor, NJ, United StatesDepartment: Water EngineeringBusiness Unit: ANA United StatesWork Type: HybridDate Posted: 2026-05-19Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.Role description:We are seeking a Senior Water/Wastewater Design Engineer to join our growing Resilience Water team. The ideal candidate may sit in or near any of the locations posted.As a Wastewater Design Engineer,you will utilize your expertise and technical knowledge to execute water and wastewater treatment design & construction engineering activities. You will also manage design teams and mentor junior engineers. You will be a critical member of our team and be expected to support performance of our Philadelphia, PA and Paramus, NJ offices and engagement with national team.This role sits within our global business area Resilience. We work to protect our natural environment and water resources, while powering our world for future generations. Around the world, we’re feeling the effects climate change, rapid urbanization, loss of biodiversity. The rate at which we’re seeing large-scale, unforeseen events such as floods and wildfires, is becoming more frequent. We are here to protect our natural environment and water resources, while powering our world for future generations.Role accountabilities:The Senior Water/Wastewater Design Engineer will lead and/or participate in client development activities, assessing potentials, assisting with position and capture strategies, and proposal and presentation efforts for various stages of water/wastewater design projects ranging from feasibility study, conceptual design, detailed design and design services during construction. In addition, working with Area Leader(s) and client Account Leader(s) to develop project scopes and fee estimates, setting the best stage for profitable delivery, managing risk, identifying project staff, and related activities.This role involves leading projects and clients in the planning, design, and construction of water and wastewater treatment plants, solids handling facilities, biogas facilities, distribution and collection systems, and pump/lift stations and familiar with federal and state funding requirements. Responsibilities also include creating construction documents, specifications, knowledge of required permitting and overseeing construction administration. It requires managing a range of projects for various clients in the region including budgets, delivery schedules, and leading project teams to meet deliverables. The position involves working directly with clients, when assigned, to determine their needs, provide tailored solutions, and ensure compliance with Arcadis practices, quality standards, and safety requirements. Additionally, the role includes mentoring junior engineers and technical staff, coordinating multi-disciplinary engineering teams, and supporting the development of projects from inception to completion. Travel may be required for client meetings, project site visits, and other assignments.Key Skills and Attributes:Flexibility to work with different project teams present locally and across remote offices.Qualifications & Experience:Required Qualifications:Bachelor or Master's Degree in Civil, Environmental, Mechanical, Chemical Engineering or related field.10 years of related industry experience in the water/wastewater field.PE License in New Jersey and/or in other nearby states (or ability to obtain NJ PE within 6 months).Preferred Qualifications:15+ years of industry-related experience.Experience preparing plans and specifications conform to Construction Specification Institute MasterFormat. Experience working on design projects with construction contractors utilizing alternative project delivery methods.Continue your career journey as an Arcadian.We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.You do meaningful work, and no matter where your next role in Arcadis takes you, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark; on your career, your colleagues, your clients, your life and the world around you. Together, we can create a lasting legacy.Our Commitment to Equality, Diversity, Inclusion & BelongingWe want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity and affirmative action employer. Women, minorities, people with disabilities and veterans are strongly encouraged to apply. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20days PTO that accrue per year. The salary range for this position is $150,000 - $200,000. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.