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Septic Design Engineer Jobs (NOW HIRING)

WDA Design Group

Civil Engineer

Westborough, MA · On-site

$65K - $100K/yr

... and Septic Design Experience a plus; · Self-directed, organized and self-motivated to accomplish ... engineering, landscape architecture, site planning, surveying and permitting. Since 1997, we have ...

Kleinfelder Inc

Civil Design Engineer

Cockeysville, MD · On-site

$81 - $109/hr

Design all aspects of engineering projects to include layout, grading, earthwork, storm drain, septic, sanitary sewer, water, storm water management, and erosion/sediment control * Perform field ...

Kleinfelder Inc

Civil Design Engineer

Hunt Valley, MD · On-site

$81K - $109K/yr

Design all aspects of engineering projects to include layout, grading, earthwork, storm drain, septic, sanitary sewer, water, storm water management, and erosion/sediment control * Perform field ...

Kleinfelder Inc

Civil Design Engineer

Hunt Valley, MD · On-site

$81K - $109K/yr

Design all aspects of engineering projects to include layout, grading, earthwork, storm drain, septic, sanitary sewer, water, storm water management, and erosion/sediment control * Perform field ...

Kleinfelder Inc

Civil Design Engineer

Hunt Valley, MD · On-site

$81K - $109K/yr

Design all aspects of engineering projects to include layout, grading, earthwork, storm drain, septic, sanitary sewer, water, storm water management, and erosion/sediment control * Perform field ...

Kleinfelder Inc

Civil Design Engineer

Hunt Valley, MD · On-site

$81K - $109K/yr

Design all aspects of engineering projects to include layout, grading, earthwork, storm drain, septic, sanitary sewer, water, storm water management, and erosion/sediment control * Perform field ...

First Supply LLC

HVAC Design Engineer

Green Bay, WI · On-site

First Supply is seeking an exceptional HVAC Design Engineer to enhance our team of dedicated ... septic, industrial, and municipal markets. Headquartered in Madison, Wisconsin, First Supply has ...

First Supply LLC

HVAC Design Engineer

Appleton, WI · On-site

First Supply is seeking an exceptional HVAC Design Engineer to enhance our team of dedicated ... septic, industrial, and municipal markets. Headquartered in Madison, Wisconsin, First Supply has ...

First Supply LLC

HVAC Design Engineer

Green Bay, WI · On-site

First Supply is seeking an exceptional HVAC Design Engineer to enhance our team of dedicated ... septic, industrial, and municipal markets. Headquartered in Madison, Wisconsin, First Supply has ...

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Septic Design Engineer information

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$40.5K

$111.5K

$164.5K

How much do septic design engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for septic design engineer in the United States is $111,500.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $139,000.00 per year, depending on experience, location, and employer.

What is a septic design engineer?

A Septic Design Engineer is responsible for designing septic systems that efficiently treat and dispose of wastewater in areas without access to municipal sewer systems. They assess soil conditions, site layout, and regulatory requirements to create plans that ensure environmental safety and compliance with local codes. Their work involves conducting site evaluations, hydraulic calculations, and selecting appropriate system components. These engineers collaborate with homeowners, contractors, and regulatory agencies to ensure proper installation and functionality of the septic system.

What are the key skills and qualifications needed to thrive as a septic design engineer?

To thrive as a Septic Design Engineer, you need a solid background in civil or environmental engineering, knowledge of wastewater treatment principles, and familiarity with relevant state and local regulations. Proficiency with CAD software, hydraulic modeling tools, and holding a Professional Engineer (PE) license or equivalent certification is typically required. Strong attention to detail, project management, and effective communication with clients and regulatory agencies are important soft skills. These abilities ensure compliant, efficient septic system designs that meet client needs and regulatory standards.

What are some typical challenges a septic design engineer faces on the job?

Septic Design Engineers commonly encounter challenges related to site constraints, such as soil composition, topography, and lot size, which can complicate the design process. They often need to balance regulatory compliance, environmental considerations, and client expectations while meeting tight project deadlines. Collaboration with surveyors, contractors, and local health departments is frequent to ensure all aspects of installation and permitting are addressed properly. Successfully navigating these challenges requires technical expertise, adaptability, and strong problem-solving skills.

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What are the most commonly searched types of Septic Design Engineer jobs?

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Septic Design Engineer jobs near you
Infographic showing various Septic Design Engineer job openings in the United States as of August 2026, with employment types broken down into 90% Full Time, 7% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $111,500 per year, or $53.6 per hour.

Senior Product Design Engineer

Infiltrator Water Technologies

Old Saybrook, CT

Full-time

Re-posted 18 days ago

Job description

Headquartered in Old Saybrook, CT, Infiltrator Water Technologies is the leading provider of engineered plastic chambers, synthetic aggregates, tanks, advanced wastewater treatment systems, and accessories for the onsite/decentralized wastewater and storm water management industries. The majority of Infiltrator products are manufactured from recycled plastic. Founded in 1987, we operate throughout the US and Canada with 8 manufacturing plants in the US, dedicated sales, and corporate team members.  Infiltrator is a pioneer in innovative plastic technologies for underground water management. Infiltrator components are used in most onsite septic systems installed in the United States and Canada. Infiltrator is a proud Corporate Partner of Habitat for Humanity and each year donates components for 50 septic systems serving Habitat homes in North America. Infiltrator is committed to advancing the state of the art in all fronts, including product design, manufacturing, materials, wastewater science, marketing, management, and employee development. In other words, we strive to be the best we can be.


Infiltrator Water Technologies has an exciting new role available – Product Design Engineer II. We are seeking an experienced and talented Mechanical Engineer with expertise in plastic design. Here is a bit about the role:

  • New Product development including engineering concept, design analysis, calculations and problem solving.
  • Conduct form/fit feasibility studies on new product concepts.
  • Address product design issues with respect to tooling and manufacturing with other team members.
  • Provides technical support to other departments.
  • Works directly on the development of prototype parts.
  • Responsible for CAD design, drawings and changes.
  • Responsible for conducting design reviews and drawing reviews
  • Apply project management principles to define task workload and timelines.
  • Assure technical quality and design process rigor in execution of all assigned tasks.
  • Apply product lifecycle management approach through PDM software

QUALIFICATIONS:

  • Excellent written/verbal communication skills and superior interpersonal skills for interaction with all levels of personnel and contacts within and outside IWT.
  • S. in Mechanical Engineering, preferably with a concentration in plastics part design and molding.
  • Proven creative skills in product design and problem solving through coursework or personal interests.
  • Must have at least 5+ years designing 3D (physical) products that have a high percentage of plastic materials.
  • Hands-on physical skills associated with product development extremely important.
  • Experience with working in a shop environment and ability to make simple prototypes highly desirable.
  • 5+ years with CAD experience required; SolidWorks preferred.
  • Experience with a range of materials (particularly various plastics) and processes (injection molding, thermoforming).
  • Must possess a comfort level with (and interest in) working in a very fast-paced product development environment where ideation and product design rapidly evolve.

ADS supports an inclusive workplace that values diversity of thought, experience, and background. We celebrate the power of our differences to create better solutions for our customers by ensuring employees can be their authentic selves each day. ADS is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state or local law.

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