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Water/Wastewater Engineer (Professional to Senior)

Carollo Engineers
Fresno, CA Full Time
POSTED ON 5/14/2026
AVAILABLE BEFORE 1/4/2027
Overview

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.

We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.

Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.

Responsibilities

Responsibilities (vary dependent upon hiring level):

Eit

  • Serve as an engineer on the planning, design, construction, and/or commissioning of water and wastewater treatment projects of various sizes
  • Perform data entry and analysis
  • Perform system modeling, process calculations, and hydraulic calculations to size and select facilities
  • Prepare cost estimates
  • Perform permitting and alternatives analysis
  • Prepare technical memoranda, reports, plans and specifications, and other deliverables
  • Perform engineering services during construction, including but not limited to reviewing contractor submittals for conformance with contract plans and specifications and evaluating requests for information
  • Participate in field activities, such as site visits, overseeing field work, and pilot testing
  • Travel may be required

P.E. Through Senior Engineer Additional Responsibilities Could Include

  • Serve as the technical lead on the planning, design, construction, and/or commissioning of water and wastewater treatment projects of various sizes (small, medium, and large)
  • May serve as project manager on small to medium sized projects and would assume all project manager responsibilities
  • Participate in field activities, such as site visits and overseeing field work
  • Provide on-the-job training and mentoring of project staff and entry to mid-level engineers
  • Maintain a culture of effective communication among project teams, clients, partners, and other stakeholders
  • Perform engineering services during construction, including but not limited to reviewing contractor submittals for conformance with contract plans and specifications and evaluating requests for information
  • Develop and maintain relationships with existing clients
  • Partner with local business development teams to identify project opportunities and assist with business development activities, including, but not limited to proposal preparation, scope and fee preparation, and interview participation
  • Coordinate the work of other engineering disciplines, designers, modelers, technicians, and others who assist in specific assignments
  • Assist with proposal preparation, including development of project scopes and fees
  • Participate in field activities, such as site visits, overseeing field work, and pilot testing
  • Travel may be required

Qualifications

Qualifications ( vary depending on hiring level):

  • Degree in Civil or Environmental Engineering or related engineering field
  • EIT Certification or passed FE exam or Registration as a Professional Engineer for higher level engineers
  • Experience delivering and managing water/wastewater treatment projects with partial responsibility for budget, schedule, contractual obligations, and quality standards for higher level engineers
  • Ability to deliver high quality services within budget and schedule constraints
  • Ability to apply critical thinking, analysis, and innovative techniques to develop options and recommendations to solve technical problems
  • Strong verbal and written communication skills
  • Ability to communicate effectively with clients and project teams
  • Work well in a team environment
  • Highly motivated and self-starting
  • Proficient in MS Word, Outlook, Excel, and PowerPoint

Preferred Qualifications

Education and Experience (vary depending on hiring level):

  • Degree in Civil or Environmental Engineering
  • Engineer-in-Training: 2-5 years of experience in planning, design, and/or construction of water/wastewater treatment projects
  • Mid level Engineer: 5-12 years of experience
  • Senior level Engineer: 12 years of experience

Compensation Range

$80,000 to $190,000 annually. Range varies dependent upon hiring level. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Other Compensation And Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.

Salary : $80,000 - $190,000

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