Senior Water/Wastewater Process Engineer

Goodwyn Mills Cawood (GMC); Atlanta (GA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) with company match

PTO and professional development

Growth opportunities

Job summary

Goodwyn Mills Cawood (GMC) in Atlanta, GA, is seeking a Senior Water/Wastewater Process Engineer with 8+ years of experience to lead the planning, design, and delivery of water and wastewater projects across our offices in Atlanta, Charlotte, Greenville, Nashville, and Savannah.

You will mentor junior staff, collaborate with multidisciplinary teams, perform process modeling and PFDs/P&IDs, and help win new work through client meetings and proposals.

Qualifications

• Bachelor’s degree in Civil, Environmental, Chemical, or Mechanical Engineering (ABET-accredited); a Master’s degree in Environmental Engineering or a related field is a plus.
• Professional Engineer (P.E.) license required; BCEE certification preferred.
• 8+ years of experience in water and/or wastewater engineering, ideally within a consulting or design environment.
• Strong background in treatment process design and optimization for municipal or industrial facilities.
• Proficiency with process modeling and design software (e.g., BioWin, GPS-X, WaterCAD, AutoCAD, Revit).
• Solid understanding of PFDs, P&IDs, and overall system design principles.
• Experience with a range of treatment technologies, including activated sludge, BNR, MBR, filtration, disinfection, RO, and biosolids systems.
• Demonstrated leadership and project management skills, with the ability to guide teams, manage budgets and schedules, and deliver high-quality results.
• Excellent communication and collaboration skills, with the ability to build strong relationships with clients and colleagues.
• Knowledge of federal, state, and local regulations related to water and wastewater systems.
• Self-driven and detail-oriented, with a passion for innovation, problem-solving, and continuous improvement.
• Active involvement in professional organizations such as AWWA or WEF is a plus.

Responsibilities

• Lead the design and delivery of water and wastewater treatment projects, ensuring technical excellence, quality, and on-time completion.
• Support business development through proposal input, client meetings, and solution-focused presentations.
• Partner with clients to understand their needs, present innovative technical solutions, and build lasting relationships.
• Perform process modeling, hydraulic analyses, and develop design documentation, including PFDs and P&IDs.
• Specify and design treatment systems such as activated sludge, BNR, MBR, filtration, and disinfection technologies.
• Collaborate with multi-disciplinary teams across engineering disciplines to deliver integrated, high-impact solutions.
• Mentor junior engineers and technical staff, fostering growth and innovation.
• Participate in site visits during design, construction, and start-up to support performance optimization and troubleshooting.

Skills

Water/wastewater design

Project leadership

Regulatory knowledge

Process modeling

PFDs & P&IDs

Client collaboration

Biosolids systems

Activated sludge/BNR/MBR

Education

ABET-accredited engineering degree

Master's in Environmental Engineering (plus)

Tools

BioWin

GPS-X

WaterCAD

AutoCAD

Revit

Job description

At Goodwyn Mills Cawood (GMC), we believe in the power of community, collaboration, and creativity to make a lasting impact. As one of the Southeast’s leading multi-disciplinary firms, we bring together expertise in architecture, engineering, planning, and environmental services to create meaningful solutions that strengthen the communities we serve.

Position Overview

We're seeking an experienced Senior Water/Wastewater Process Engineer with 8+ years of experience to join our growing team in one of our offices located in Atlanta, GA; Charlotte, NC; Greenville, SC; Nashville, TN; or Savannah, GA. In this role, you'll lead the planning, design, and delivery of impactful water and wastewater treatment projects that help communities thrive. You'll collaborate with multidisciplinary teams, drive innovative and sustainable solutions, and play a key role in improving critical infrastructure that supports public health and quality of life.

If you're passionate about making a lasting impact, mentoring others, and advancing your career with a team committed to excellence, we'd love to hear from you.

Key Responsibilities And Skills

• Lead the design and delivery of water and wastewater treatment projects, ensuring technical excellence, quality, and on-time completion.
• Support business development through proposal input, client meetings, and solution-focused presentations.
• Partner with clients to understand their needs, present innovative technical solutions, and build lasting relationships.
• Perform process modeling, hydraulic analyses, and develop design documentation, including PFDs and P&IDs.
• Specify and design treatment systems such as activated sludge, BNR, MBR, filtration, and disinfection technologies.
• Collaborate with multi-disciplinary teams across engineering disciplines to deliver integrated, high-impact solutions.
• Mentor junior engineers and technical staff, fostering growth and innovation.
• Participate in site visits during design, construction, and start-up to support performance optimization and troubleshooting.

Qualifications

• Bachelor’s degree in Civil, Environmental, Chemical, or Mechanical Engineering (ABET-accredited); a Master’s degree in Environmental Engineering or a related field is a plus.
• Professional Engineer (P.E.) license required; BCEE certification preferred.
• 8+ years of experience in water and/or wastewater engineering, ideally within a consulting or design environment.
• Strong background in treatment process design and optimization for municipal or industrial facilities.
• Proficiency with process modeling and design software (e.g., BioWin, GPS-X, WaterCAD, AutoCAD, Revit).
• Solid understanding of PFDs, P&IDs, and overall system design principles.
• Experience with a range of treatment technologies, including activated sludge, BNR, MBR, filtration, disinfection, RO, and biosolids systems.
• Demonstrated leadership and project management skills, with the ability to guide teams, manage budgets and schedules, and deliver high-quality results.
• Excellent communication and collaboration skills, with the ability to build strong relationships with clients and colleagues.
• Knowledge of federal, state, and local regulations related to water and wastewater systems.
• Self-driven and detail-oriented, with a passion for innovation, problem-solving, and continuous improvement.
• Active involvement in professional organizations such as AWWA or WEF is a plus.

Why GMC?

At Goodwyn Mills Cawood (GMC), we build more than structures—we build communities. We’re looking for talented, driven individuals to join a team where creativity, collaboration, and impact come together every day. We offer competitive benefits, including medical, dental, vision, 401(k) with company match, PTO, professional development, and opportunities to make a real difference in the communities we serve. Our culture is inclusive, empowering, and growth-focused, with a commitment to quality, integrity, and innovation. At GMC, you’ll tackle meaningful projects, grow your career, and help shape thriving communities.

Join us and make an impact—your work matters here.

Equal Opportunity Employer/Disability/Veterans

About GMC

We believe in community, collaboration, and using the power of creativity and hard work to make a difference. Whether designing schools, parks, hospitals, commercial developments, or providing clean water, safe streets and restoring resilient environments, GMC takes great pride in serving our communities through the transformative work we do. Every project is guided by the foundational concept that communities are built by people, not companies, and we strive to serve our communities with quality, integrity, creativity and care. One of the Southeast’s most comprehensive multi-disciplined firms, GMC is equipped to provide all the services associated with architecture, landscape architecture, interior design, civil engineering, environmental services, planning, transportation engineering, geotechnical engineering, electrical engineering, surveying and disaster recovery.