Demo

Wastewater Process Senior Engineer

Brown and Caldwell
Honolulu, HI Full Time
POSTED ON 4/2/2026
AVAILABLE BEFORE 5/2/2026

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.

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

Job Expectations:

  • 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

Desired Skills and Experience:

  • B.S. degree in Mechanical, Civil, Environmental, or Chemical Engineering; M.S. preferred
  • 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

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

Location B:

Salary: $97,000 - $132,000

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.  #waterreuse #lacampaign 

    Salary : $97,000 - $132,000

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