Senior Wastewater Engineer - Technical SME

GBA; Chesterfield (MO); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life, accident, and disabilitycoverage

401(k) with company match

Employee Assistance Program (EAP)

Paid holidays, floating holidays, and/

flexible time off

Opportunities for training, growth, &/

advancement

Job summary

GBA is seeking a Wastewater Engineer - Technical SME to serve as a senior technical resource for our Water Environment teams across multiple regions. This role supports complex wastewater projects, provides high-level technical guidance, and helps strengthen engineering capability across our practice.

If you enjoy applying deep technical expertise to difficult engineering problems, this role provides the platform to do it.

Qualifications

• Bachelor's degree in civil engineering, environmental engineering, biological engineering, agricultural engineering, or a related field.
• 12+ years of relevant experience OR an equivalent combination of education and experience.
• Professional Engineer (PE) license required.
• Multi-state licensure or ability to obtain licensure in KS, MO, NE, or TX preferred.

Responsibilities

• Provide senior technical guidance on complex wastewater treatment and infrastructure projects
• Serve as a technical advisor to engineering teams across multiple offices
• Support advanced treatment design, modeling, and system optimization
• Guide solutions for technically challenging projects
• Mentor experienced engineers and share discipline knowledge
• Contribute to improved engineering standards and practices

Skills

12+ years experience

PE license

Multi-state licensure

Education

Bachelor's degree in civil engineering, environmental engineering, biological engineering, agricultural engineering, or a related field

Job description

GBA is seeking a Wastewater Engineer - Technical SME to serve as a senior technical resource for our Water Environment teams across multiple regions. This role supports complex wastewater projects, provides high-level technical guidance, and helps strengthen engineering capability across our practice.

If you enjoy applying deep technical expertise to difficult engineering problems, this role provides the platform to do it.