Wastewater Treatment Engineer Jobs for OPT Students
Wastewater Treatment Engineer jobs are a strong fit for F-1 OPT students with degrees in civil, environmental, or chemical engineering. Most roles qualify as STEM-designated positions, making you eligible for the 24-month STEM OPT extension and giving you up to three years of total work authorization to build your career in the U.S.
See All Wastewater Treatment Engineer JobsOverview
Showing 5 of 40+ Wastewater Treatment Engineer jobs


Have you applied for this role?


Have you applied for this role?


Have you applied for this role?


Have you applied for this role?


Have you applied for this role?
See all 40+ Wastewater Treatment Engineer jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Wastewater Treatment Engineer roles.
Get Access To All Jobs
As a Consor teammate, you’ll join a collaborative network of water and transportation experts dedicated to supporting clients through the entire project lifecycle. You’ll have access to the resources of a large consulting firm while experiencing the community feel of a local team. Grow your career by working on impactful projects that shape inspiring communities—and expand your potential along the way.
- Temporary Part-Time
- Onsite
What Your Day Will Look Like:
Consor Engineers is seeking a Water/Wastewater Treatment Engineering Intern to join our Phoenix, AZ office. This opportunity is ideal for graduate students pursuing a Master’s degree in Civil, Environmental, or related engineering disciplines who are interested in gaining hands-on experience with municipal water and wastewater treatment projects. If you’re looking to apply your academic knowledge to real-world infrastructure while working alongside experienced professionals in a supportive environment, we’d love to meet you.
About the Role
As a Water/Wastewater Treatment Intern, you will work closely with experienced engineers to support the planning, design, and evaluation of water and wastewater treatment facilities. You will contribute to technical analyses, reports, and design efforts while gaining exposure to treatment processes, facility operations, and multidisciplinary project delivery.
What You'll Do:
- Supporting the planning and design of water and wastewater treatment facilities, including new facilities, expansions, and rehabilitation projects
- Assisting with treatment process evaluations, calculations, and system sizing
- Preparing technical memoranda, engineering reports, feasibility studies, and planning documents
- Assisting with development of plans, specifications, and cost estimates
- Collaborating with civil, structural, electrical, and mechanical team members
- Supporting high-quality, client-focused project delivery
This internship offers valuable exposure to municipal treatment projects and provides an excellent foundation for a long-term career in water and wastewater engineering.
What You'll Need:
- Currently pursuing a Master’s degree in Civil, Environmental, Chemical, or a closely related engineering discipline
- Completion of an undergraduate engineering degree
- Strong interest in water and/or wastewater treatment engineering
- Proficiency with Microsoft Office (Excel, Word, PowerPoint)
- Strong analytical, organizational, and communication skills
Preferred Qualifications (not required)
- Coursework or research experience related to water or wastewater treatment processes
- Familiarity with engineering calculations, technical writing, or data analysis
- Familiarity with treatment process modeling or design software
- Self-motivated with a strong attention to detail
- Ability to work collaboratively in a team-oriented environment
This hybrid job operates between an office environment and a field environment and routinely requires the use of standard office equipment such as computers, phones, and copy machines. May require occasional exposure to work environments that may include inclement weather, heat, humidity, noise, hazard, atmospheric conditions, and bodies of water, depending on project requirements.
While performing the duties of this job, physical demands of the employee include frequent sitting, moving, standing, talking, hearing, and occasional balancing, stooping, kneeling, crouching, reaching, handling, grasping, and feeling. This job may occasionally require operating a company vehicle, and lifting, carrying, pushing, and pulling up to 35 lbs.
Get to Know Us:
What Benefits You’ll Enjoy:
We invest in us. Because our team members go above, below, and beyond the surface to care for our communities (inside and out), we do our best to take care of you by providing a comprehensive benefits package! Eligibility for some of the benefits outlined below is based on full-time work status; part-time and contingent positions are only eligible based on hours worked. If you have questions, contact careers@consoreng.com.
- Career Growth & Development: Tuition reimbursement program, paid professional training, major license achievement bonus, extensive on-demand learning center, and paid professional memberships.
- Work-Life Alignment: Industry-competitive PTO, seven paid holidays and two floating holidays, flexible work schedules, paid parental leave, and eligibility for hybrid and remote work options for some employees based on role responsibilities.
- Wellness: Medical, dental and vision insurance, employee assistance program, fitness and wellness reimbursement, and HSA and FSA options.
- Life: Employer-paid STD and LTD, employer-paid term life insurance, and retirement 401(k) with company match.
- Community: Quarterly social events, paid group volunteering events, and employee networks and groups.
How Your Career Will Grow:
We know career growth is not always linear or streamlined—it’s often dynamic. You may want to explore a management track, try a new technical track, or move laterally to reposition your skills and talents. No matter what level you join us at or how you want to shape your career, we want Consor to be a place where you can learn and grow.
Why You’ll Love Consor:
You’ll experience a culture where we share in our successes and support one another through challenges. Here, there are countless opportunities to explore your career path by working on projects that help you expand your potential and take your career to new heights! Join our diverse team of experts who live and work alongside client partners, providing thoughtful solutions to create inspiring communities together.
Consor’s Commitment to Equal Opportunity in the Workplace
Consor welcomes and celebrates equality and diversity in the workplace. We are committed to fostering an environment in which employees and prospective employees are treated with dignity and respect, and where the uniqueness, perspectives, and experiences of individuals are valued. Consor is an equal opportunity employer and maintains employment practices designed to provide equal employment and development opportunities for all employees and applicants, in accordance with applicable local, state, and federal laws. Employment decisions are made without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable federal, state, or local law. Consor also maintains an affirmative action program across its offices and worksites.
If you need more information or special assistance for persons with disabilities or limited English proficiency, contact Human Resources at (786) 275-7370. Persons with hearing and speech impairments can contact Consor by using the Virginia Relay Service, a toll-free telecommunication device for the deaf (TDD). Call 711 for TTY/TDD.
If any applicant believes they have been discriminated against or desires further information or assistance, contact us at (786) 275-7370.
Notices: The above job description is intended to relay a general sense of the position's responsibilities and expectations. It does not describe all tasks that may be assigned. As business demands change, the essential functions of this position may also change. The position requires the successful completion of applicable pre-employment substance screening and background checks.
At Consor, we're committed to recruiting teammates ready to expand their potential. To safeguard candidates, we use only legitimate recruitment practices. Initial outreach is conducted through official Consor email addresses or LinkedIn messaging; be suspicious of any inconsistencies. We do not request personal data, sensitive information, or banking details during the application process. Interviews are conducted via phone, in person, or through Microsoft Teams—never through messaging apps or other calling services. All job offers are merit-based, delivered verbally, and followed up by written confirmation. If personal information is required to initiate the hiring process, it will be collected through secure, authorized channels. If ever in doubt, contact careers@consoreng.com.
LI-SK1
LI-Onsite

As a Consor teammate, you’ll join a collaborative network of water and transportation experts dedicated to supporting clients through the entire project lifecycle. You’ll have access to the resources of a large consulting firm while experiencing the community feel of a local team. Grow your career by working on impactful projects that shape inspiring communities—and expand your potential along the way.
- Temporary Part-Time
- Onsite
What Your Day Will Look Like:
Consor Engineers is seeking a Water/Wastewater Treatment Engineering Intern to join our Phoenix, AZ office. This opportunity is ideal for graduate students pursuing a Master’s degree in Civil, Environmental, or related engineering disciplines who are interested in gaining hands-on experience with municipal water and wastewater treatment projects. If you’re looking to apply your academic knowledge to real-world infrastructure while working alongside experienced professionals in a supportive environment, we’d love to meet you.
About the Role
As a Water/Wastewater Treatment Intern, you will work closely with experienced engineers to support the planning, design, and evaluation of water and wastewater treatment facilities. You will contribute to technical analyses, reports, and design efforts while gaining exposure to treatment processes, facility operations, and multidisciplinary project delivery.
What You'll Do:
- Supporting the planning and design of water and wastewater treatment facilities, including new facilities, expansions, and rehabilitation projects
- Assisting with treatment process evaluations, calculations, and system sizing
- Preparing technical memoranda, engineering reports, feasibility studies, and planning documents
- Assisting with development of plans, specifications, and cost estimates
- Collaborating with civil, structural, electrical, and mechanical team members
- Supporting high-quality, client-focused project delivery
This internship offers valuable exposure to municipal treatment projects and provides an excellent foundation for a long-term career in water and wastewater engineering.
What You'll Need:
- Currently pursuing a Master’s degree in Civil, Environmental, Chemical, or a closely related engineering discipline
- Completion of an undergraduate engineering degree
- Strong interest in water and/or wastewater treatment engineering
- Proficiency with Microsoft Office (Excel, Word, PowerPoint)
- Strong analytical, organizational, and communication skills
Preferred Qualifications (not required)
- Coursework or research experience related to water or wastewater treatment processes
- Familiarity with engineering calculations, technical writing, or data analysis
- Familiarity with treatment process modeling or design software
- Self-motivated with a strong attention to detail
- Ability to work collaboratively in a team-oriented environment
This hybrid job operates between an office environment and a field environment and routinely requires the use of standard office equipment such as computers, phones, and copy machines. May require occasional exposure to work environments that may include inclement weather, heat, humidity, noise, hazard, atmospheric conditions, and bodies of water, depending on project requirements.
While performing the duties of this job, physical demands of the employee include frequent sitting, moving, standing, talking, hearing, and occasional balancing, stooping, kneeling, crouching, reaching, handling, grasping, and feeling. This job may occasionally require operating a company vehicle, and lifting, carrying, pushing, and pulling up to 35 lbs.
Get to Know Us:
What Benefits You’ll Enjoy:
We invest in us. Because our team members go above, below, and beyond the surface to care for our communities (inside and out), we do our best to take care of you by providing a comprehensive benefits package! Eligibility for some of the benefits outlined below is based on full-time work status; part-time and contingent positions are only eligible based on hours worked. If you have questions, contact careers@consoreng.com.
- Career Growth & Development: Tuition reimbursement program, paid professional training, major license achievement bonus, extensive on-demand learning center, and paid professional memberships.
- Work-Life Alignment: Industry-competitive PTO, seven paid holidays and two floating holidays, flexible work schedules, paid parental leave, and eligibility for hybrid and remote work options for some employees based on role responsibilities.
- Wellness: Medical, dental and vision insurance, employee assistance program, fitness and wellness reimbursement, and HSA and FSA options.
- Life: Employer-paid STD and LTD, employer-paid term life insurance, and retirement 401(k) with company match.
- Community: Quarterly social events, paid group volunteering events, and employee networks and groups.
How Your Career Will Grow:
We know career growth is not always linear or streamlined—it’s often dynamic. You may want to explore a management track, try a new technical track, or move laterally to reposition your skills and talents. No matter what level you join us at or how you want to shape your career, we want Consor to be a place where you can learn and grow.
Why You’ll Love Consor:
You’ll experience a culture where we share in our successes and support one another through challenges. Here, there are countless opportunities to explore your career path by working on projects that help you expand your potential and take your career to new heights! Join our diverse team of experts who live and work alongside client partners, providing thoughtful solutions to create inspiring communities together.
Consor’s Commitment to Equal Opportunity in the Workplace
Consor welcomes and celebrates equality and diversity in the workplace. We are committed to fostering an environment in which employees and prospective employees are treated with dignity and respect, and where the uniqueness, perspectives, and experiences of individuals are valued. Consor is an equal opportunity employer and maintains employment practices designed to provide equal employment and development opportunities for all employees and applicants, in accordance with applicable local, state, and federal laws. Employment decisions are made without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable federal, state, or local law. Consor also maintains an affirmative action program across its offices and worksites.
If you need more information or special assistance for persons with disabilities or limited English proficiency, contact Human Resources at (786) 275-7370. Persons with hearing and speech impairments can contact Consor by using the Virginia Relay Service, a toll-free telecommunication device for the deaf (TDD). Call 711 for TTY/TDD.
If any applicant believes they have been discriminated against or desires further information or assistance, contact us at (786) 275-7370.
Notices: The above job description is intended to relay a general sense of the position's responsibilities and expectations. It does not describe all tasks that may be assigned. As business demands change, the essential functions of this position may also change. The position requires the successful completion of applicable pre-employment substance screening and background checks.
At Consor, we're committed to recruiting teammates ready to expand their potential. To safeguard candidates, we use only legitimate recruitment practices. Initial outreach is conducted through official Consor email addresses or LinkedIn messaging; be suspicious of any inconsistencies. We do not request personal data, sensitive information, or banking details during the application process. Interviews are conducted via phone, in person, or through Microsoft Teams—never through messaging apps or other calling services. All job offers are merit-based, delivered verbally, and followed up by written confirmation. If personal information is required to initiate the hiring process, it will be collected through secure, authorized channels. If ever in doubt, contact careers@consoreng.com.
LI-SK1
LI-Onsite
How to Get Visa Sponsorship as a Wastewater Treatment Engineer
Confirm your degree qualifies for STEM OPT
Wastewater Treatment Engineer roles typically fall under civil or environmental engineering, both STEM-designated fields. Verify your specific CIP code with your DSO before applying so you can confidently communicate your full three-year authorization window to employers.
Target municipal utilities and water districts first
Public water and wastewater utilities hire consistently, operate on stable funding cycles, and are familiar with OPT work authorization. Government-adjacent employers tend to have structured onboarding timelines, which aligns well with OPT reporting requirements and the 90-day unemployment limit.
Lead with your EIT or PE exam progress
Engineers in Training credentials and active pursuit of Professional Engineer licensure signal long-term commitment to U.S. employers. Mentioning your exam timeline in applications reduces hesitation around sponsoring international candidates on OPT who may later need H-1B support.
Highlight process-specific technical skills upfront
Employers screening wastewater candidates prioritize familiarity with treatment processes like activated sludge, membrane bioreactors, or biosolids management. Listing these explicitly in your resume helps hiring managers recognize your value before visa status becomes part of the conversation.
Apply to engineering consulting firms with federal contracts
Firms like environmental consultancies holding EPA or Army Corps contracts are experienced H-1B sponsors. Their volume of international hires means your OPT status is a familiar situation, not an obstacle, and they often have immigration support infrastructure already in place.
File your STEM OPT extension application at least 90 days early
USCIS recommends filing Form I-765 for your STEM extension at least 90 days before your initial OPT expires. A timely filing preserves your work authorization even if USCIS takes longer than expected to adjudicate, keeping your employment uninterrupted.
Wastewater Treatment Engineer jobs are hiring across the US. Find yours.
Find Wastewater Treatment Engineer JobsSee all 40+ Wastewater Treatment Engineer jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Wastewater Treatment Engineer roles.
Get Access To All JobsFrequently Asked Questions
Does a Wastewater Treatment Engineer role qualify for the 24-month STEM OPT extension?
Yes, in most cases. Wastewater Treatment Engineer positions typically require a degree in civil, environmental, or chemical engineering, all of which appear on the STEM Designated Degree Program List. Your DSO will confirm eligibility based on your specific CIP code. If your degree qualifies, you can work up to three years total on OPT before needing employer H-1B sponsorship.
How do I find Wastewater Treatment Engineer employers who are comfortable hiring OPT students?
Migrate Mate filters job listings by OPT and visa sponsorship status, so you can browse Wastewater Treatment Engineer roles from employers who have already indicated they hire international candidates. Municipal utilities, environmental engineering firms, and infrastructure consultancies tend to be the most OPT-friendly employers in this field.
Can I work as a Wastewater Treatment Engineer on OPT if my degree is in chemical engineering rather than environmental engineering?
Yes. Wastewater Treatment Engineer roles frequently involve chemical processes, and employers regularly hire candidates with chemical engineering backgrounds. As long as there is a direct connection between your degree field and the job duties, your DSO can authorize OPT. Chemical engineering is a STEM-designated field, so the 24-month STEM extension is also available to you.
What happens to my OPT work authorization if my Wastewater Treatment Engineer employer goes through layoffs or budget cuts?
If your employment ends, your 90-day unemployment clock starts immediately. You have up to 90 cumulative days of unemployment during your OPT period to find a new qualifying role. Wastewater and water infrastructure is a relatively stable sector driven by municipal contracts, but having your resume active and applications out before any gap begins is the safest approach.
Do Wastewater Treatment Engineer roles typically lead to H-1B sponsorship after OPT?
Many do. Wastewater Treatment Engineering is a specialized field with consistent demand and a relatively shallow domestic talent pool, which motivates employers to retain international hires through H-1B sponsorship. Municipal agencies and large environmental consulting firms are especially experienced sponsors. Demonstrating progress toward Professional Engineer licensure during your OPT period strengthens the case for sponsorship significantly.
See which Wastewater Treatment Engineer employers are hiring and sponsoring visas right now.
Search Wastewater Treatment Engineer Jobs