Mid Level Wastewater Treatment Engineer Jobs
Mid level wastewater treatment engineer jobs go to engineers ready to own projects end to end, guide junior staff, and make technical calls without constant oversight. Openings run predominantly on-site across Consulting & Professional Services, Government & Public Sector, and Waste Management & Environmental Services, with employers like Kennedy/Jenks Consultants, GFT, and Inframark hiring at this level now.
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Requisition ID: 110235
Share Our Purpose. Be Yourself. Feel Valued.
People are the heart of our business. As an American Water employee, you will be offered a competitive salary and health benefits package, along with opportunities to develop, grow, and evolve your career. Our benefits packages focus on key areas such as health & wellness, emotional & well-being, and savings for current & future goals.
We are Beautifully Different. We strongly believe having diversity across our company makes us more successful and helps us provide essential services to our customers. We are stronger because we embrace different ideas, viewpoints, experiences, and backgrounds. American Water is the best choice for your next role! Click here for more information on our inclusion, diversity, and equity journey.
About American Water
American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886 and celebrating 140 years in 2026, We Keep Life Flowing® by providing safe, clean, reliable and affordable drinking water and wastewater services to approximately 14 million people with regulated operations in 14 states and on 18 military installations. American Water’s approximately 7,000 talented professionals leverage their significant expertise and the company’s national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and other stakeholders.
For more information, visit amwater.com and join American Water on LinkedIn, Facebook, X and Instagram.
Primary Role
Pennsylvania American Water is seeking a motivated and ambitious Lead Plant Operator to join our team in Claysville, PA! This critical role will be responsible for day-to-day operations at the wastewater treatment facility, including process monitoring, making control adjustments, compliance and regulatory reporting, and light maintenance on equipment.
The Lead Wastewater Treatment Operator operates and maintains wastewater purification systems to optimize operations and ensure regulatory compliance of plant. In this role, you will perform maintenance of equipment, quality control/testing and related day to day activities. This individual Is fully qualified to perform the most complex functions and lead the work of others.
Key Accountabilities
- Monitor treatment plant functions by reading gauges, graphs, meters, and control panels. Establish, maintain, and control flow through the treatment process and within the distribution/collection system. Assist with pressure flow studies, collect recorder
- Operate, maintain, control, and perform routine repair of plant equipment including preventative maintenance duties. Order/obtain needed parts and supplies for operations
- Assist and guide personnel in operations and maintenance of facilities and equipment
- Perform water quality sampling, testing and analysis to determine compliance with federal, state and company regulations
- Implement security measures at sites. Inspect buildings, grounds, and equipment for conformance to safety standards and security requirements
Knowledge/Skills
- Knowledge of lab duties for water/wastewater facilities including: OBD's, phosphates, total solids, total suspended solids, pH, ammonia, nitrates, chlorine residual, fluoride, fecal coliform, bacti's, and temperature
- Knowledge of pumps and control panels
- Thorough knowledge of the layout, location and equipment characteristics of water/wastewaters systems and of the treatment plants
- Knowledge of the regulatory and legal environment of modern water and wastewater systems and water and wastewater treatment, including environmental law and contract law as applicable
- Must have broad knowledge of MS Office products, including MS Word, Excel, PowerPoint
- Must understand the working principle behind a computerized maintenance management program
Experience/Education
- High school diploma or equivalent
- College course work in biology, chemistry, environmental science, or engineering preferred
- 5+ years’ experience and progressive responsibility in the field of water treatment and distribution
Certifications & Licenses
- Valid driver license
- DEP Wastewater License- Class A, E-Subclass 2,3 and 4 required
- Candidate must possess required licenses or have the ability to obtain within designated timeframe.
Work Schedule
- Full-time
- On-site
- Monday-Friday, 7am-4pm
- Overtime/on call responsibility for emergencies
Work Environment
- Work indoors and outdoors in all weather conditions.
- May be required to work in buildings, in pits, on scaffoldings or in confined spaces.
- May be exposed to possible operations hazards including fumes and caustic chemicals, heavy machinery, high pressure, slippery surfaces, water/wastewater hazards and electrical equipment.
- Must be able to perform essential functions and meet the physical requirements for the position including:
- Able to stand, walk, climb stairs, or sit for long periods of time
- Able to wear SCBA and perform job functions in a hazardous environment
- Must be capable of traveling within service area.
Competencies
Join American Water...We Keep Life Flowing™
American Water is firmly committed to Equal Employment Opportunity (EEO) and prohibits employment discrimination for employees and applicants based on his or her age, race, color, pregnancy, gender, gender identity, sexual orientation, national origin, religion, marital status, citizenship, or because they are an individual with a disability, protected veteran or other status protected by federal, state, and local laws.
Requisition ID: 110235
Share Our Purpose. Be Yourself. Feel Valued.
People are the heart of our business. As an American Water employee, you will be offered a competitive salary and health benefits package, along with opportunities to develop, grow, and evolve your career. Our benefits packages focus on key areas such as health & wellness, emotional & well-being, and savings for current & future goals.
We are Beautifully Different. We strongly believe having diversity across our company makes us more successful and helps us provide essential services to our customers. We are stronger because we embrace different ideas, viewpoints, experiences, and backgrounds. American Water is the best choice for your next role! Click here for more information on our inclusion, diversity, and equity journey.
About American Water
American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886 and celebrating 140 years in 2026, We Keep Life Flowing® by providing safe, clean, reliable and affordable drinking water and wastewater services to approximately 14 million people with regulated operations in 14 states and on 18 military installations. American Water’s approximately 7,000 talented professionals leverage their significant expertise and the company’s national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and other stakeholders.
For more information, visit amwater.com and join American Water on LinkedIn, Facebook, X and Instagram.
Primary Role
Pennsylvania American Water is seeking a motivated and ambitious Lead Plant Operator to join our team in Claysville, PA! This critical role will be responsible for day-to-day operations at the wastewater treatment facility, including process monitoring, making control adjustments, compliance and regulatory reporting, and light maintenance on equipment.
The Lead Wastewater Treatment Operator operates and maintains wastewater purification systems to optimize operations and ensure regulatory compliance of plant. In this role, you will perform maintenance of equipment, quality control/testing and related day to day activities. This individual Is fully qualified to perform the most complex functions and lead the work of others.
Key Accountabilities
- Monitor treatment plant functions by reading gauges, graphs, meters, and control panels. Establish, maintain, and control flow through the treatment process and within the distribution/collection system. Assist with pressure flow studies, collect recorder
- Operate, maintain, control, and perform routine repair of plant equipment including preventative maintenance duties. Order/obtain needed parts and supplies for operations
- Assist and guide personnel in operations and maintenance of facilities and equipment
- Perform water quality sampling, testing and analysis to determine compliance with federal, state and company regulations
- Implement security measures at sites. Inspect buildings, grounds, and equipment for conformance to safety standards and security requirements
Knowledge/Skills
- Knowledge of lab duties for water/wastewater facilities including: OBD's, phosphates, total solids, total suspended solids, pH, ammonia, nitrates, chlorine residual, fluoride, fecal coliform, bacti's, and temperature
- Knowledge of pumps and control panels
- Thorough knowledge of the layout, location and equipment characteristics of water/wastewaters systems and of the treatment plants
- Knowledge of the regulatory and legal environment of modern water and wastewater systems and water and wastewater treatment, including environmental law and contract law as applicable
- Must have broad knowledge of MS Office products, including MS Word, Excel, PowerPoint
- Must understand the working principle behind a computerized maintenance management program
Experience/Education
- High school diploma or equivalent
- College course work in biology, chemistry, environmental science, or engineering preferred
- 5+ years’ experience and progressive responsibility in the field of water treatment and distribution
Certifications & Licenses
- Valid driver license
- DEP Wastewater License- Class A, E-Subclass 2,3 and 4 required
- Candidate must possess required licenses or have the ability to obtain within designated timeframe.
Work Schedule
- Full-time
- On-site
- Monday-Friday, 7am-4pm
- Overtime/on call responsibility for emergencies
Work Environment
- Work indoors and outdoors in all weather conditions.
- May be required to work in buildings, in pits, on scaffoldings or in confined spaces.
- May be exposed to possible operations hazards including fumes and caustic chemicals, heavy machinery, high pressure, slippery surfaces, water/wastewater hazards and electrical equipment.
- Must be able to perform essential functions and meet the physical requirements for the position including:
- Able to stand, walk, climb stairs, or sit for long periods of time
- Able to wear SCBA and perform job functions in a hazardous environment
- Must be capable of traveling within service area.
Competencies
Join American Water...We Keep Life Flowing™
American Water is firmly committed to Equal Employment Opportunity (EEO) and prohibits employment discrimination for employees and applicants based on his or her age, race, color, pregnancy, gender, gender identity, sexual orientation, national origin, religion, marital status, citizenship, or because they are an individual with a disability, protected veteran or other status protected by federal, state, and local laws.
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Who's Hiring
Top Industries Hiring
- Consulting & Professional Services
- Government & Public Sector
- Waste Management & Environmental Services
Mid Level Wastewater Treatment Engineer Jobs: Frequently Asked Questions
How do I get a mid level wastewater treatment engineer job?
Position your experience around project ownership, not just task completion. Highlight specific systems you have operated or optimized, permits you have supported, and any time you coordinated across teams or guided less experienced engineers. Applications that tie your work to measurable outcomes, such as improved effluent quality or reduced downtime, stand out at this level.
Which companies hire mid level wastewater treatment engineers?
Companies hiring mid level wastewater treatment engineers right now include Kennedy/Jenks Consultants, GFT, and Inframark, based on current listings on Migrate Mate as of August 2026. Hiring at this level comes from municipal utilities, environmental engineering consultancies, and industrial operators running their own treatment infrastructure.
Are there remote mid level wastewater treatment engineer jobs?
Yes, though most roles at this level are site-dependent. About 90% of mid level wastewater treatment engineer openings are remote or hybrid as of August 2026, and those tend to be with consulting firms where design work, permitting support, and client reporting can be handled off-site rather than at a treatment facility.
How do I move up to a mid level wastewater treatment engineer role?
The path from entry level to mid level is built on progressively broader ownership. Early-career engineers grow by taking full responsibility for individual process units, then entire treatment trains, earning sign-off on routine decisions. Deepening expertise in a specific area, such as biological nutrient removal or biosolids management, combined with a clear record of project delivery, signals readiness for a mid level title.
Which industries hire the most mid level wastewater treatment engineers?
Mid Level wastewater treatment engineer roles concentrate in Consulting & Professional Services, Government & Public Sector, and Waste Management & Environmental Services, based on current listings on Migrate Mate as of August 2026. Those sectors drive the most hiring because they operate large, continuously running treatment systems that require experienced engineers who can manage process upsets, lead upgrades, and ensure regulatory compliance without close supervision.