Senior Process Mechanical Engineer – Water/Wastewater Location: Greenville, SC | Full-Time | Hybrid Option Available We’re partnering with a nationally recognized engineering firm seeking a Senior Process Mechanical Engineer to join their Water Design Center in Greenville, South Carolina. This is a high-impact leadership role on a multi-disciplinary team focused on designing complex, large-scale water and wastewater treatment facilities. The ideal candidate will bring deep technical experience, a strong background in process mechanical design, and a desire to guide projects from conceptual design through construction. You’ll play a critical role in shaping facility layouts, leading design efforts, mentoring junior staff, and participating in client meetings and industry events. Role Overview: As a Senior Process Mechanical Engineer, you will serve as a Design Phase Manager , overseeing the technical design and team coordination across multiple high-volume, customized treatment plant projects. You will manage schedules, budgets, and quality deliverables while serving as a subject matter expert in both internal and client-facing capacities. This role offers the opportunity to work with cutting-edge 3D/4D BIM software alongside a collaborative in-house team of engineers, designers, and specialists focused on delivering efficient, high-quality infrastructure. Key Responsibilities: Lead process mechanical design for water and wastewater treatment systems

Develop design criteria through analysis and modeling of water/wastewater processes

Perform hydraulic analysis, pump selection, and sizing for treatment facilities

Design mechanical systems including blowers, chemical storage/feed systems, and piping

Produce specifications, contract documents, and instrumentation drawings

Oversee the development of construction documents and 3D models

Coordinate with multidisciplinary teams across civil, structural, mechanical, electrical, and I&C disciplines

Serve as a technical lead in client meetings and industry conferences

Provide construction support and resolve technical issues in the field

Mentor and support junior engineers and designers

Ensure adherence to quality control processes and internal standards

Qualifications: Required: Bachelor’s degree in Civil, Environmental, Chemical, Mechanical, Biosystems, or Agricultural Engineering (ABET accredited)

10+ years of engineering consulting experience focused on water/wastewater projects

Professional Engineer (PE) licensure

Proven experience managing design projects from planning through delivery

Strong collaboration and communication skills

Familiarity with P&ID development, mechanical layout, and process evaluation

Preferred: Master’s degree in a related engineering discipline

Experience with lift stations, booster pump stations, and chemical feed systems

Hands-on knowledge of MS Word, Excel, Outlook, PowerPoint, and MS Project

Background working within highly integrated multi-disciplinary project teams

Involvement in local or national professional engineering organizations

Why This Role? This firm’s Water Design Center is a centralized, collaborative hub where engineers, scientists, and designers work side-by-side to create custom water and wastewater treatment solutions. The team leverages advanced BIM tools, shortens design cycles, and maintains a high standard for quality and innovation. What You’ll Gain: A leadership role on nationally visible infrastructure projects

Access to mentorship, advanced technology, and continuing education support

Competitive compensation and performance-based bonuses

A full benefits package including: Medical, dental, and vision insurance

Employer-paid disability and life insurance

HSA contributions

Generous PTO, including holidays and volunteer time

401(k) with employer match

Professional development support