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Wastewater Process Senior Engineer

Brown and Caldwell
life insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k)
United States, Hawaii, Honolulu
737 Bishop Street (Show on map)
May 23, 2026
Description
Job Description

Brown and Caldwell has an immediate need for a Senior Engineer (Water/Wastewater) in our Honolulu office. As a Senior Engineer, you will plan, develop, coordinate, and execute projects with full technical responsibility. The candidate will be expected to act independently on technical matters pertaining to specialized areas and direct the work of other engineers to achieve task goals and meet client expectations.

The candidate will work mainly at the project site and in the field, supporting the wastewater treatment process control teams at various wastewater treatment facilities across Oahu.

The candidate will utilize consulting expertise to manage and execute work on projects to deliver high-quality projects and to help ensure successful client relationships. In addition, the candidate will participate in the pursuit of business development opportunities. The candidate will also work closely with technical experts and other leaders in the Pacific Area and across the entire BC enterprise.



Job Summary

The TC3, Process Engineering role is responsible for solving moderately complex problems. This position involves critical decision making, based on limited guidelines and supervision, and exercising judgement and problem-solving capabilities.



Responsibilities

  • Lead the development of process models and perform advanced data analysis.
  • Lead chemical/physical/biological process evaluations, alternatives analyses, lifecycle cost analyses, and implementation of process optimizations.
  • Lead troubleshooting efforts of existing facilities, develop solutions for process issues.
  • Be responsible for the adhering to Quality Management Plan (QMP), decision, interim work, and deliverables for projects.
  • Oversee and guide junior staff in process design and definition, including mass and energy balances, process system requirements, equipment specifications, and preliminary design concepts.
  • Participate in technical innovation projects, including the implementation of new technologies and processes.
  • Lead the execution of experiments, evaluate technologies for implementation.
  • Lead physical/chemical/biological testing and analysis and data reporting.
  • Understand and deliver BC's process related differentiating solutions.
  • Engage on pursuits, providing process related technical content for proposals and presentations.
  • As required, engage in process related risk assessment and mitigation strategies.
  • Contribute to regional conference presentations and/or publications, promoting BC's brand.
  • Support the development and creation of continuing education and training, including on the latest technical advancements.
  • Actively mentor junior staff on development priorities and projects.
  • Support subject matter experts and practice leaders in ensuring BC Standards are accurate, up to date and complete.
  • Flexibility to adapt and execute various additional assignments based on evolving needs.



Typical Projects Could Involve

  • Wastewater treatment process optimization as well as planning, design, and construction observation
  • Pumping stations and piping system planning and design
  • Biosolids and residuals treatment and dewatering
  • Alternative energy power sources and generation



Mentorship

  • May provide mentorship, guidance, support, and knowledge-sharing to help less experienced team members develop their skills and grow within their roles.



Skills and Competencies

  • Proficient in process modeling and data analysis skills, strong troubleshooting and problem-solving abilities.
  • Ability to perform physical, chemical, and biological process performance evaluations with high-level oversight.
  • Skilled at effectively conveying technical information to clients and internal stakeholders.



Experience

  • Typically, a minimum of 5 years related work experience in process engineering or related field.
  • Typically, certified in the SMS Framework and progressing through the SMS competencies.



Preferred Experience

  • 5 - 10 years experience in municipal engineering and consulting preferred
  • A Professional Engineer (PE) License in the State of Hawaii preferred
  • Strong project management skills with demonstrated experience managing staff within scope/schedule/budget;
  • Successful marketing, proposal writing, proposal management, and public presentation experience a plus
  • Strong written and verbal communication skills with demonstrated ability to conduct effective presentations and prepare written reports and documents
  • Develop project approaches to meet specific goals and objectives including the preparation of detailed scopes, schedules, and budgets
  • Manage multidisciplinary engineering projects to achieve client goals within scope, schedule, and budget constraints
  • Direct the preparation and completion of comprehensive technical reports and presentations
  • Prepare and make presentations for professional meetings with clients and technical teams
  • Participate in improving company resources and tools to improve quality and efficiency
  • Supervise, delegate, direct, coach, and mentor junior technical staff



Education

  • A bachelor's degree in environmental, civil, chemical, mechanical, or biological engineering degree or equivalent experience is required.
  • Licensure as a professional engineer is required.



Salary Range: The anticipated starting pay range for this position is based on the employee's primary work location and may be more or less depending upon skills, experience, and education. These ranges may be modified in the future.

Location A: $95,000 - $129,000
Location B: $104,000 - $142,000
Location C: $114,000 - $155,000

You can view which BC location applies to you here. If you have any questions, please speak with your Recruiter.

Benefits and Other Compensation: We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click here to see our full list of benefits.

About Brown and Caldwell

Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction services firm with 50 offices and over 2,100 professionals across North America and the Pacific. For more than 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice-to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit www.brownandcaldwell.com

This position is subject to a pre-employment background check and a pre-employment drug test.

Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Brown and Caldwell is proud to be an EEO/AAP Employer. Brown and Caldwell encourages protected veterans, individuals with disabilities, and applicants from all backgrounds to apply. Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act.



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Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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