Mechanical Process Design Lead

Ramboll3; Arlington (VA); On-site; USD 110,000 - 130,000; Full time

Job summary

Ramboll in Arlington, VA, is seeking a senior process mechanical designer for groundwater and wastewater projects. The role leads design teams, develops P&IDs, 3D models, equipment layouts, and technical specs, with experience in AutoCAD Plant 3D and Revit MEP preferred.

You will coordinate with clients, vendors, and engineers on complex plant projects, support proposals and estimates, and contribute to commissioning and long-term operations.

Qualifications

• Lead process mechanical design for large groundwater and wastewater treatment projects.
• Develop functional, constructable process mechanical designs, including P&IDs, process flow diagrams, equipment/piping layouts, and piping isometrics.

Responsibilities

• Serve as a mechanical/process or technical lead on large, multidisciplinary projects; experience with commissioning and long-term plant operations is a plus.
• Plan and design complex process mechanical components for wastewater treatment projects, including sanitary, industrial, and environmental systems.
• Analyze and interpret technical data, drawings, reports, hydraulic calculations, and cost estimates to support project design.
• Develop project documents and coordinate with vendors to select, specify, and procure equipment, valves, instruments, and other components.
• Communicate with clients, discipline leads, vendors, contractors, subcontractors, and regulatory agencies throughout design and construction.

Skills

Process mechanical design

P&IDs development

3D modeling

AutoCAD Plant 3D

Revit MEP

Hydraulic/pipe stress software

Technical documentation

Vendor coordination

Lead on multidisciplinary projects

Tools

AutoCAD Plant 3D

Revit MEP

Hydraulic analysis software

Job description

Responsibilities:

• Lead process mechanical design for large groundwater and wastewater treatment projects.
• Develop functional, constructable process mechanical designs, including P&IDs, process flow diagrams, equipment/piping layouts, and piping isometrics.
• Develop 3D models, plans, specifications, equipment data sheets, and technical documentation; AutoCAD Plant 3D, Revit MEP, and hydraulic/pipe stress software experience preferred.
• Prepare Basis of Design reports, process control narratives, technical specifications, and other technical documents.
• Serve as a mechanical/process or technical lead on large, multidisciplinary projects; experience with commissioning and long-term plant operations is a plus.
• Plan and design complex process mechanical components for wastewater treatment projects, including sanitary, industrial, and environmental systems.
• Analyze and interpret technical data, drawings, reports, hydraulic calculations, and cost estimates to support project design.
• Develop project documents and coordinate with vendors to select, specify, and procure equipment, valves, instruments, and other components.
• Communicate with clients, discipline leads, vendors, contractors, subcontractors, and regulatory agencies throughout design and construction.
• Support proposals and project estimates, delegate work, perform quality and safety reviews, and serve as a technical resource/subject matter expert to the team.

Welcome to our Water division

At Ramboll, a global team of bright water consultants support the development of sustainable societies, working with water projects on a global scale. We assist our clients on their most challenging water management issues, delivering solutions that enable people and nature to flourish. Our main service areas cover Climate Adaptation & Resiliency, Water & Wastewater Treatment, Water Resources, and Water & Wastewater Infrastructure.

Ramboll in the Americas

Founded in Denmark, Ramboll is a foundation-owned people company. Ramboll has thousands of experts working across more than 70 offices in the Americas, delivering innovative solutions within Environment & Health, Water, Energy, and Planning & Urban Design. We invite you to contribute to a sustainable future working in an open, collaborative, and empowering company. Combining local experience with global knowledge, we together shape the societies of tomorrow.

Work at the heart of sustainable change

Ramboll is a global architecture, engineering, and consultancy company. We believe that the purpose of sustainable change is to create a thriving world for both nature and people. So, that's where we start - and how we work. At Ramboll, our core strength is our people, and our history is rooted in a clear vision of how a responsible company should act. Being open and curious is a cornerstone of our culture. We embrace an inclusive mindset that looks for fresh, diverse, and innovative perspectives. We respect, embrace, and invite diversity in all forms to actively cultivate an environment where everyone can flourish and realize their full potential.

Where People Flourish

Our mission is to create sustainable societies where people and nature flourish. This means that a culture of inclusion is embedded in everything we do. Our people bring diverse backgrounds and experiences to the company, enabling us to deliver innovative and forward-thinking solutions to our clients. We also know how important it is to achieve the right balance of where, when, and how much you work. At Ramboll, we offer flexibility as part of our positive and inclusive approach to work. We are committed to equal employment opportunity, regardless of age, disability or medical condition, gender identity, marriage and domestic partnership, pregnancy and maternity, race, ancestry, or national origin, religion or belief, sex and sexual orientation, military service and veteran status, or any other protected characteristic. Ramboll wants to ensure opportunities are accessible to candidates with disabilities. So, please let us know if there are any changes we could make to the application process to make it more comfortable for you. You can contact us at [e-mail] with such requests.

Salary Transparency Statement

At Ramboll, we are committed to fair and transparent compensation practices that support our people and our purpose of creating sustainable societies. The anticipated base salary range for this position is $110,000 to $130,000 per year. This range reflects the compensation we reasonably expect to offer at the time of posting. Actual compensation will vary based on factors such as location, skills, experience, education, and internal equity. Because we operate across multiple U.S. markets, pay may differ depending on the cost of labor in specific locations. In addition to base salary, this position may be