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Salary
$150k – $200k per year
Location
Hybrid (Philadelphia, United States)
Seniority
Principal · 10+ years exp
Visa
H-1B filings in 12 months: 121 · green card filings: 17

Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Nov 5, 2026. Arcadis scores C on the Alion truth index.

Overview
Company
Impact
Profile match
Arcadis is a Dutch design and consultancy firm whose predecessor was founded in 1888 to reclaim wasteland in the Netherlands, and which now works on the built and natural environment worldwide. It provides engineering, architecture, environmental consulting, water management and cost and programme management for transport networks, water systems, buildings and industrial facilities, and it has expanded into digital advisory through acquisitions including IBI Group. Headquartered in Amsterdam and listed on Euronext, it employs tens of thousands of people and derives much of its work from climate adaptation and infrastructure renewal.

Arcadis 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 Principal Water Engineer to join our growing Resilience Water team in Philadelphia, PA or East Windsor, NJ.

In this role you will utilize your expertise and technical knowledge for design and construction to execute a variety of water and wastewater projects. Experience in managing multiple projects and interdisciplinary design teams along with mentoring junior engineers are desired attributes. You will also have opportunities for Client Management and the ability to refine client development strategy in the NJ/DE/Eastern Pennsylvania region.

Role accountabilities:

As a Principal Water Engineer, you will lead and direct the development of water and wastewater projects as a client-facing project manager. You will utilize your knowledge of water distribution systems, wastewater collection systems, pump/lift stations, and water/wastewater treatment facility engineering to successfully deliver projects and meet client expectations.

You will lead projects and clients in the planning, design, and construction of water/wastewater treatment plants, distribution/collection systems, and pump/lift stations as well as creating construction documents, project specifications, and handling construction oversight/administration.

Provide technical expertise on multi-disciplined projects as a design leader, QA/QC reviewer, or technical advisor.

Engage directly with clients to determine needs and deliver solutions to expand client relationships and increase service offerings with target clients.

Manage a range of projects for various clients in the region. Responsibilities may include managing budgets and delivery schedules for each assignment, and leading project teams to meet the project deliverables.

Support the work of others and mentoring junior-level engineers & design/drafting technical staff.

Lead/support teams in the marketing and proposal phases of projects including preparation of winning proposals and successful presentations, as well as developing scopes of work and budgets for various water, wastewater, and stormwater projects.

Support and continue to develop strategy and growth initiatives across the NJ and Eastern PA regions.

Travel, as needed, for client meetings, project site visits, etc.

Key Skills and Attributes:

  • Flexibility to work with different project teams present locally and across remote offices.
  • Self-motivated in improving team and personal performance
  • Project and staff management
  • Client Management and Regional Growth Development

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:

  • Master’s Degree in Engineering
  • 15 years of industry-related experience

Why Arcadis?

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’ll do meaningful work, and no matter what role, 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.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day. 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 employer. 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 20 days 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.

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