About Us

At Onterris, we build careers grounded in purpose, responsibility and real-world impact.

“For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

The Field Operations Engineer will be responsible for the field engineering and operation of our innovative and state of the art water treatment technology at a customer site in Corona, CA.  This is a fantastic opportunity to join a rapidly growing, top notch, cutting-edge team that’s looking to make a positive impact on the world. 

Annual salary ranging from $90,000-$130,000, commensurate with accomplishments, performance, credentials and geography  

A Day in the Life

As a key member of the field team, this role will be responsible for a full range of activities including: 

Leading: 

• the field engineering that supports the oversights, operation and management of our design and systems; 
• a dynamic team of operators and field technicians traveling to the site to support the field engineering and operations efforts;  
• the preparation of the onsite team weekly and daily for the tasks that need to be executed to stay on track with the project schedule; 
• the commissioning and start-up of all new systems, focused on the technical and project specifications; 
• the inspection of equipment delivered to the site, and document issues carefully and thoroughly. Follow up with suppliers to remedy issues related to procured equipment; 
• the scheduling and coordination with the customer and other on-site contractors to manage normal operations. 
• Daily reports to the client and internal project team for site status and progress.  
• Accurate and timely reporting for onsite conditions and tasks are completed; process and site condition changes, treatment completed, treatment schedule forecasting. 
• Onsite Safety compliance and adherence for our team and associated subcontractors supporting the site. Development of additional safety literature as applicable, Job Hazard Analysis, Management of Change reviews, Health and Safety plan amendments.   

Organizing & supporting: 

• development and management of on-site staffing schedules 
• the review and development of drawing packages, documents, and equipment included in the project; 
• the effort to supply copies of inspection, test, and system operations reports; 
• project team meetings by providing pertinent updates on progress; 
• detailed operational planning to support site 24/7 operations. 

Developing: 

• Additional technologies and strategies on site to improve system operation. 
• relationships with stakeholders onsite, including vendors, client operations staff, and the operations team. 

Your Expertise and Skills

To perform this job successfully, individuals must be able to perform each duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. 

• Bachelor's degree in mechanical or chemical Engineering or equivalent industry experience/certifications considered 
• 3-5 years of commissioning and start-up experience of large capital projects in the environmental, construction, oil & gas, chemical, or power industries preferred 
• Familiarity with industrial piping systems, water treatment equipment, or distillation equipment is preferred 
• Proficient with spreadsheets and databases, Microsoft Office software, etc. 
• Excellent time management, organizational, and technical communication skills.  
• Demonstrated experience taking responsibility for high level tasks and driving all sub tasks to rapid conclusion with autonomy.  
• Valid driver’s license with clean driving record and reliable transportation to the site
• Strong problem solving and analytical skills. 
• Ability to interface with cross-functional teams and all levels of personnel.  
• Ability to manage multiple assignments and adapt to changing priorities.  

Physical Activities

While performing the responsibilities of the job, the employee may be required to spend long hours sitting and using office equipment and computers, and is regularly required to sit, talk, and listen. The employee frequently is required to use hands and fingers to handle or feel. 

When in the field, this role may require: 

• Ascending or descending ladders, stairs, scaffolding, ramps, poles, etc. 
• Moving self in different positions to accomplish tasks in various environments, including tight or confined spaces. 
• Working in low or high temperatures, depending on work site location 
• Performing light to medium work, including moving objects between 20-50 pounds 

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.