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Septic Design Engineer Jobs in Oregon (NOW HIRING)

Orenco Systems

Controls Engineering Manager

Sutherlin, OR · On-site

$82K - $106K/yr

... and concrete septic wastewater system components. We sell our products through wholesale ... Develops and implements Engineering Design Guidelines to standardize custom controls while ...

Infiltrator Water Technologies

IWT

Sutherlin, OR · On-site

... engineered plastic chambers, synthetic aggregates, tanks, advanced wastewater treatment systems ... Infiltrator components are used in most onsite septic systems installed in the United States and ...

Orenco Systems

Post Sales Engineer

Sutherlin, OR · On-site

$80K - $106K/yr

... and concrete septic wastewater system components. We sell our products through wholesale ... Makes recommendations to Systems Engineering and R&R (renewal and replacement) regarding design ...

Orenco Systems

Post Sales Engineer

Sutherlin, OR · On-site

... and concrete septic wastewater system components. We sell our products through wholesale ... Makes recommendations to Systems Engineering and R&R (renewal and replacement) regarding design ...

Orenco Systems

Post Sales Engineer

Sutherlin, OR · On-site

$80K - $106K/yr

... and concrete septic wastewater system components. We sell our products through wholesale ... Makes recommendations to Systems Engineering and R&R (renewal and replacement) regarding design ...

Infiltrator Water Technologies

IWT

Sutherlin, OR · On-site

Infiltrator components are used in most onsite septic systems installed in the United States and ... engineering. * Ability to interpret SolidWorks and CAD drawings. * Detail oriented with strong ...

Infiltrator Water Technologies

IWT

Sutherlin, OR · On-site

... engineered plastic chambers, synthetic aggregates, tanks, advanced wastewater treatment systems ... Infiltrator components are used in most onsite septic systems installed in the United States and ...

Orenco Systems

NPD Senior Project Manager

Sutherlin, OR · On-site

The ideal candidate brings deep engineering knowledge, strong project management experience, and ... Participate and moderate design reviews, DFMEA/PFMEA activities, and validation and verification ...

Orenco Systems

NPD Senior Project Manager

Sutherlin, OR · On-site

$120K - $140K/yr

The ideal candidate brings deep engineering knowledge, strong project management experience, and ... Participate and moderate design reviews, DFMEA/PFMEA activities, and validation and verification ...

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Septic Design Engineer information

See Oregon salary details

$42.8K

$117.9K

$173.9K

How much do septic design engineer jobs pay per year?

As of Jun 11, 2026, the average yearly pay for septic design engineer in Oregon is $117,887.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,800.00 and $147,000.00 per year, depending on experience, location, and employer.

What is a Septic Design Engineer job?

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 in the Septic Design Engineer position, and why are they important?

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.

How much does a septic system designer make?

Septic design engineers typically earn between $50,000 and $80,000 annually, depending on experience, location, and certifications. Senior or specialized designers can earn higher salaries, especially in areas with high demand for wastewater system expertise.

What engineers make $500,000?

Highly experienced engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Senior roles requiring advanced skills, certifications, and extensive industry experience are typically associated with such high compensation levels.

What is a design engineer's job salary?

The salary of a septic design engineer typically ranges from $60,000 to $90,000 annually, depending on experience, location, and certifications. Senior engineers or those with specialized skills may earn higher wages, and the role often involves working with CAD software and environmental regulations.

How much does a septic engineer make?

Septic design engineers typically earn between $60,000 and $90,000 annually, depending on experience, location, and certifications. Senior or specialized engineers can earn higher salaries, especially with advanced knowledge of site evaluation and system design tools.
What are popular job titles related to Septic Design Engineer jobs in Oregon? For Septic Design Engineer jobs in Oregon, the most frequently searched job titles are:
What job categories do people searching Septic Design Engineer jobs in Oregon look for? The top searched job categories for Septic Design Engineer jobs in Oregon are:
Septic Design Engineer jobs near you
Infographic showing various Septic Design Engineer job openings in Oregon as of June 2026, with employment types broken down into 94% Full Time, and 6% Part Time. Highlights an 97% In-person, and 3% Hybrid job distribution, with an average salary of $117,887 per year, or $56.7 per hour.
Senior Composites Design Engineer

Senior Composites Design Engineer

Orenco Systems

Sutherlin, OR • On-site

$118K - $180K/yr

Full-time

Posted 22 days ago

Job description

Wish your job made a difference?
Our mission is protecting the world's water. We work every day to support the sustainability of our most precious resource, so our people know what they're doing matters.
Join our team and do work that matters. Visit to learn more or check out the official job description (below).
Company Description:
Orenco Systems, Inc. (subsidiary of Infiltrator Water Technologies) is a manufacturer of innovative onsite and decentralized wastewater collection and treatment technologies. Solutions include community collection systems, advanced secondary treatment systems, watertight fiberglass tanks, and in-tank pumping and filtration systems. Orenco also manufactures high-quality standard, custom, and OEM controls, along with state-of-the-art fiberglass buildings, tanks, and enclosures.
Infiltrator Water Technologies is a market leader within the onsite wastewater treatment industry, Infiltrator manufactures a variety of revolutionary products and innovative, environmentally friendly alternatives to traditional stone and pipe leachfield and concrete septic wastewater system components. We sell our products through wholesale distribution across the United States and Canada for use on properties with onsite wastewater treatment systems.
GENERAL POSITION SUMMARY:
The Senior Composite Design Engineer will lead the development and design of FRP (fiber-reinforced polymer composite products for infrastructure applications. This engineer leader will utilize their strong background in composite materials and processes, particularly in closed molding methods such as RTM (Resin Transfer Molding) and vacuum infusion, structural engineering capabilities and knowledge of infrastructure and related codes to develop infrastructure products like tanks, buildings, covers, and other structural components.
ESSENTIAL FUNCTIONS and KRA (Key Result Areas):
> Safety/Culture
  • Continuously maintains Orenco management's safety, cultural, and professional standards.
  • Promotes, encourages, and reinforces a positive safety culture, safe practices, and a safe work environment to all employees.

> Key Responsibilities:
  • Lead the design and development of FRP composite products for infrastructure applications.
  • Collaborate with the Composite Sales Manager to develop tailored design solutions for customer projects.
  • Collaborate with the Composite Sales Manager to identify new product development opportunities and cultivate strategic OEM (Original Equipment Manufacturing) relationships that drive innovation and long-term business growth.
  • Drive value engineering initiatives to enhance design efficiency and reduce cost.
  • Oversee and optimize manufacturing processes, especially closed molding techniques (RTM, vacuum infusion).
  • Collaborate on material selection, including resins, reinforcements, core materials, adhesives, and coatings.
  • Interpret and apply relevant codes and standards (e.g., IBC (International Building Code), AASHTO (American Association of State Highway and Transportation Officials), ASCE (American Society of Civil Engineers), ASTM (American Society for Testing and Materials), etc.) to ensure code compliance in structural designs.
  • Perform structural analysis and guide product testing and validation.
  • Work closely with the retiring engineer through a transition period to absorb institutional knowledge, processes, and legacy designs.
  • Support cross-functional teams including production, QA/QC (Quality Assurance/Quality Control), sales, and product and project management.
  • Interface with customers, certification agencies, and third-party engineers as needed.
  • Represent the company at key composite industry events (e.g., trade shows, technical conferences) to stay current with industry trends and strengthen professional networks.

> Regular, consistent, and predictable attendance is required.
> Performs other duties as assigned.
EDUCATION:
Bachelor's degree in Mechanical Engineering, Civil Engineering, Structural Engineering, Materials Science, or related field.
KNOWLEDGE/SKILLS/EXPERIENCE:
  • Minimum 5 years' experience in composite product design ( 10 + years preferred).
  • Expertise in closed-mold composite processes
  • Strong structural engineering capabilities and working knowledge of composite materials - resins, fibers, cores, adhesives, etc.
  • Familiarity with infrastructure products and relevant codes and standards for infrastructure (IBC, ACI (American Concrete Institute), AISC (American Institute of Steel Construction), ASCE, AASHTO, ASTM).
  • Proficiency in 3D modeling CAD (Computer-aided design) (e.g., SolidWorks, Inventor, etc.). SolidWorks preferred.
  • Proficiency in structural analysis tools desired, but not required (e.g., FEA (Finite Element Analysis) software like ANSYS (Engineering Simulation Software), SolidWorks Simulation, or similar).
  • PE (Professional Engineer) license is highly beneficial but not required.
  • Demonstrated ability to work independently and collaboratively in a multidisciplinary environment.
  • Excellent communication skills and documentation practices.
  • Ability to be flexible and change priorities with little notice.
  • Ability to use sound judgement and follow through in problem solving and decision-making processes.
  • Must be willing and able to travel. Must be able to comply with current travel regulations and guidelines of airlines and destination locations.
  • Must be able to meet and maintain Orenco's approved driver criteria; a valid driver's license, satisfactory driving record, current insurance on personal vehicle, and meet company insurability requirements.

TOOLS and EQUIPMENT:
Computer
General office equipment
Multi line phone and/or VoIP
Vehicle
WORKING CONDITIONS:
Primarily indoor/outdoor working environment including time in production areas and at project sites. Travel requirements may include operation of a motor vehicle, airplane travel, and overnight stays in temporary lodging. May require the ability to visit project sites that are situated on a variety of developed and undeveloped terrain/locations. Includes exposure to outside weather conditions and occasional exposure to dust and other outside elements that may require the proper use of PPE (personal protective equipment) including but not limited to gloves. Work to be done during manufacturing business hours, however this position may on occasion work outside business hours to support department and business needs. Occasionally long hours may be required.
PHYSICAL REQUIREMENTS:
Regular job duties include seeing, speaking, hearing, reading, writing, legible handwriting, keyboarding, prolonged periods of sitting including extended time viewing a computer screen. Intermittent physical activity includes but is not limited to touching, holding, grasping, pushing, pulling, reaching above shoulders and below knees, low back bending, twisting, turning, kneeling, crawling, stooping, squatting, standing, walking, and climbing stairs and ladders. Unassisted light lifting and/or carrying of under 20 lbs. is required. May also include occasional unassisted lifting and/or carrying of up to 50 lbs., lifting and/or carrying over 50 lbs. must be assisted. Operation of a motor vehicle and/or airplane travel may be required. Travel needs are determined by the department supervisory staff based on business need, required skill base, and assigned job tasks and responsibilities. Travel may require the ability to visit project sites that are situated on a variety of developed and undeveloped terrain/locations.

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