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:

Arcadis is seeking a highly skilled and motivated Project Engineer (Civil/Enviromental) to support one of the most iconic and consequential infrastructure initiatives in the United States — the Gateway Hudson Tunnel Project (HTP). We are working as the Delivery Partner along with team members and selected by the Gateway Development Commission to deliver this transformative project. The HTP is a critical component of the broader Gateway Program — one of the most ambitious and impactful transportation initiatives in the nation — and is designed to strengthen mobility, enhance resiliency, and ensure the long-term reliability of the Northeast Corridor. The project encompasses the construction of a new, two-track rail tunnel beneath the Hudson River, along with the full rehabilitation of the existing 113-year-old North River Tunnel. This vital infrastructure supports more than 200,000 daily passengers via Amtrak and NJ TRANSIT and serves as a backbone for economic activity and connectivity between New York and New Jersey. This is more than just a job — it's a once-in-a-generation opportunity to contribute to a nationally significant infrastructure program that will reshape rail transportation, drive sustainable economic growth, and improve regional accessibility for millions. As part of this high-performing, multidisciplinary team, you will help deliver excellence on one of the most technically complex and high-profile projects in the world. If you're seeking to make a meaningful, lasting impact — while advancing your career alongside some of the best minds in the industry — this is your moment.

Role accountabilities:

• Assist with design reviews, resolve technical issues, and coordinate design change documentation.
• Provide technical support during construction, review contractor submittals, and monitor progress against milestones.
• Facilitate communication among stakeholders, schedule meetings, and assist with project documentation, including drawings and specifications.
• Provide opinions on constructability, means and methods, and the impacts of technical decisions on the overall project, including analysis of critical path schedule impacts and scenario analyses.
• Support the integration and coordination of all HTP Packages, ensuring comprehensive interface management and collaboration among design, construction, and operations teams.
• Assist with programmatic oversight and management of project controls functions, including schedule, cost, change, risk, and document management.
• Update project controls procedures, workflow processes, and tools as requested.
• Prepare and submit monthly and quarterly project reports, including safety, quality, environmental, and milestone status updates.
• Maintain a "lessons learned" register and master "issues log" for the HTP.
• Support implementation and monitoring of the HTP Project Management Plan (PMP), Quality Management Plan (QMP), and other federally required plans.
• Ensure compliance with applicable federal, state, and local regulations, including NJDEP (Flood Hazard Area, Freshwater Wetlands, and NJPDES), NEPA, USACE Section 404/401, Section 106, and county or municipal permitting requirements.
• Assist with quality assurance activities, including witnessing testing, periodic audits, and ensuring compliance with technical specifications and contract requirements.
• Support construction and rehabilitation of stormwater infrastructure, including detention basins, bioswales, and infiltration systems, in conformance with approved designs and permit conditions.

Qualifications & Experience:

• Bachelor's degree in Civil Engineering, Water Resources Engineering, or related discipline.
• Professional Engineer (PE) license in NJ or NY preferred.
• 5-10 years of experience in civil, water resources, or environmental engineering, preferably on large infrastructure or transportation projects involving hydrology, hydraulics, and stormwater management.
• Roadway engineering skills such as geometric design, grading, access management, permitting, utilities, stormwater management, roadway drainage design, 3D roadway modeling, traffic/accident analysis and traffic control and staging plans.
• Strong understanding of watershed hydrology, open-channel flow, pipe network analysis, and floodplain management.
• Proficiency in HEC-HMS, HEC-RAS, SWMM, ArcGIS, AutoCAD Civil 3D, and related engineering software.
• Familiarity with FEMA, FHWA, AASHTO, USACE, EPA, NJDEP, and local regulatory requirements.
• Technical leadership in hydrologic and hydraulic engineering.
• Familiarity with project controls, scheduling, cost management, and risk management.
• Knowledge of federal, state, and local regulations relevant to major capital projects (NJDOT, NJDEP, NEPA, USACE, Section 106, County or Municipal agencies, etc.).
• Experience with quality assurance, construction monitoring, and technical documentation.
• Proficiency with BIM, AutoCAD, MicroStation, PMIS, and Microsoft Office Suite.
• Strong technical writing, communication, organizational, problem-solving, and project coordination skills.
• Ability to work collaboratively with multidisciplinary teams and external stakeholders. Preferred Skills
• Experience with public sector projects in NJ/NY Metro area and federally funded programs.
• Knowledge of environmental compliance, permitting, and reporting requirements.
• Experience supporting design-build (DB) delivery, including coordination of environmental permitting and approvals on the project critical path.

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 15 days PTO that accrue per year. The salary range for this position is $140000 - $220000. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location. #LI-DB3 #Gateway #Civil #Engineer #Enviormental