Senior Civil Engineer SME - Gateway - Water, Sewer, Gas

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 Senior Civil Engineer 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:

Serve as the technical SME for utility infrastructure systems during construction, including:

Water distribution Sanitary sewer systems Stormwater drainage systems Natural gas distribution Electric power distribution and transmission Telecommunications and fiber-optic networks

Serve as the civil/utility SME during construction for a major Amtrak design-build project. Provide technical support to field teams and lead resolution of utility and civil-related construction issues. Review and validate completed designs against field conditions, constructability, and project constraints. Evaluate and respond to RFIs, submittals, field changes, and design deviations. Coordinate with contractors, Amtrak, utility owners, and multidisciplinary teams to resolve conflicts and interface issues. Support utility coordination during construction, including tie-ins, relocations, and sequencing. Contribute to broader civil scope, including drainage, grading, and corridor infrastructure as needed. Review shop drawings and as-builts and participate in field inspections and construction meetings. Identify and mitigate risks impacting cost, schedule, and constructability. Provide technical guidance to junior staff and support overall project delivery.

Qualifications & Experience: Required Qualifications

Bachelor’s degree in civil engineering (Master’s preferred). Professional Engineer (PE) license in New Jersey or New York. 10+ years of progressive civil engineering experience with strong emphasis on utility infrastructure and construction-phase support. Demonstrated ability to resolve complex field issues, constructability challenges, and contractor-driven design changes. Broad civil engineering knowledge, including utilities, drainage, grading, and infrastructure systems. Familiarity with Amtrak standards, as well as AREMA, NJDOT, and NYDOT requirements.