Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 36,000 people, in over 70 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 Cost Engineer to support one of the most iconic and consequential infrastructure initiatives in the United States — the Gateway Hudson Tunnel Project (HTP). In this role you will be responsible for supporting project delivery through rigorous cost analysis, forecasting, reporting, and change management. The Senior Cost Engineer will collaborate with project managers, engineers, contractors, and stakeholders to ensure the project remains on budget and meets all financial performance targets.

We are working in partnership with Parsons and Mace as part of the MPA Delivery Partner team, 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:

Cost Estimating & Analysis Prepare and review independent cost estimates for procurements and project needs. Analyze contractor price proposals, change order estimates, and claims. Validate and recommend approval, amendment, or rejection of contractor cost submissions. Budget Management & Forecasting Implement cost and budget management requirements in alignment with the Hudson Tunnel Project Management Plan (HTP PMP). Track, forecast, and report on all contract changes, allowances, and budget impacts. Develop and implement supplemental metrics, procedures, and processes for effective cost management. Project Controls & Reporting Support project controls, including schedule management and risk assessment related to cost. Update risk registers and assessment reports for contingency planning. Contribute daily, monthly, and quarterly reporting on project status, progress, and financial compliance. Change Management Assist in reviewing and managing all project contracts, cost, schedule, risk, and environmental impact changes. Coordinate changes to designs and contract documentation, ensuring proper financial tracking. Supply Chain & Market Analysis Advise on impacts to project costs related to supply chain market conditions and fluctuations in commodities, materials, and equipment. Document & Records Control Ensure accurate tracking, storage, and retrieval of cost-related documents and records. Support document control processes for financial documentation. Dispute & Conflict Resolution Provide technical support for disputes and conflict resolution proceedings related to cost, schedule, and other project issues. Compliance & Audit Ensure compliance with Federal, state, and local funding requirements, including grants administration and reporting. Participate in audits and reviews to confirm adherence to project controls and financial standards.

Required Qualifications: 

Bachelor’s degree in Engineering, Construction Management, Finance, or related field. 7+ years of experience in cost engineering, estimating, or project controls for large infrastructure or transportation projects.

Key Skills and Abilities: 

Strong knowledge of cost estimating methodologies, budget management, and financial reporting. Familiarity with project management plans, contract administration, and change management processes. Proficiency in cost management software and tools. Excellent analytical, communication, and organizational skills. Ability to work collaboratively in both office and field environments.

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.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We 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 20 days PTO that accrue per year. The salary range for this position is $145,000 - $185,000. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.

Join Arcadis. Create a Legacy.

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