Engineer - Civil Process Mechanical Design

Orange County Sanitation District

Engineer - Civil Process Mechanical Design

SALARY

$148,928.00 - $181,043.20 Annually

LOCATION

Headquarters - 18480 Bandilier Cir, Fountain Valley, CA 92708, CA

JOB TYPE

Full-time

JOB NUMBER

622

DEPARTMENT

Engineering

DIVISION

Design

OPENING DATE

09/14/2026

CLOSING DATE

10/12/2026 5:00 PM Pacific

Description

What do you value in your next job?

At the Orange County Sanitation District our Core Values form the framework of our organization and reinforce our professional work ethic. If the following values ring true with you, we'd love to invite you to explore our career opportunities further.

Integrity, Inclusion, Honesty, and Respect

We aspire to the highest degree of integrity, inclusion, honesty, and respect in our interaction with each other, our suppliers, our customers, and our community. We strive to demonstrate these values in our actions, commitments, and service.

Leadership, Teamwork, and Problem Solving

We lead by example, acknowledging the value of our resources and using them wisely to achieve our mission. We strive to reach OC San goals through cooperative efforts and collaboration with each other and our constituencies. We work to solve problems in a creative, cost-effective, and safe manner, and we acknowledge team and individual efforts.

Customer Service, Transparency, and Accountability

We are committed to acting in a timely, accurate, accessible, and transparent manner through excellent customer service. We are committed to act in the best interest of our internal and external stakeholders.

Resiliency, Innovation, and Learning

We continuously develop ourselves, enhancing our talents, skills, and abilities. We recognize that only through personal growth and development will we progress as an agency and as individuals.

Safety

We are committed to providing a safe work environment. We will demonstrate leadership, promote individual accountability, and participate actively in the advancement of our health and safety practices.

OC San is currently looking to fill the role of an Engineer (Civil/Process Mechanical Design).

Under direction, performs a variety of complex and responsible engineering duties in the planning, design, construction, operations, and compliance of wastewater facilities, infrastructure, systems, and programs; oversees development of engineering designs and provides project management of assigned programs and projects; inspects and analyzes plant operations and implements process improvements; enforces industrial wastewater discharge regulations and reviews, processes, and approves assigned permits; serves as a technical resource and advisor on assigned projects, programs, and systems; researches complex engineering issues and conducts engineering-related studies; and performs duties as assigned.

Job duties for the Engineer within the Design Division may include, but are not limited to:

Technical Leadership - Providing technical leadership and expertise during design and construction and being responsible for project work assigned; preparing memos, studies and reports for treatment plant and collection facilities; developing detailed drawings and technical specifications for complex projects; overseeing the design, replacement, rehabilitation, and abandonment of treatment plants, pump stations, and pipelines; participating in the development of requests for proposals and scopes of work, reviewing proposals, and selecting consulting engineers; technically overseeing and monitoring consultant's designs for compliance with the scope of work, engineering standards, design quality expectations, and stakeholder needs; participating in and leading design workshops and design constructability reviews; coordinating project requirements and impacts across departments and resolving conflicting stakeholder needs; inspecting, diagnosing, developing, and overseeing corrective action plans for complex operation and maintenance problems; serving as a liaison for the division with other District departments, divisions, and outside agencies; provides staff support to commissions, committees, and task forces; explains and interprets divisional programs, policies, and activities; and serving as a technical resource and advisor; and providing guidance and training to less experienced staff.

Construction Support - Assisting construction staff to ensure projects are constructed in compliance with contract documents; reviewing construction submittals for compliance with the technical specifications; developing recommendations to project problems and issues during construction; and providing technical training on the operation of new facilities or changes to existing facilities.

Quality and Engineering Standards - Ensuring that established engineering standards, policies and procedures, and engineering best practices are applied consistently; establishing, managing, and updating engineering policies, procedures, guidelines, standards, and technical specifications to meet current best practices and engineering design requirements while capturing lessons-learned from construction and operations/maintenance staff; attending and participating in professional group meetings to stay abreast of new trends and innovations; and researching emerging products and enhancements and their applicability to OC San needs.

Qualifications & Requirements

Requirements:

1. Bachelor’s degree from a college or university accredited by the U.S. Department of Education, with major coursework in civil, mechanical, chemical, electrical, or environmental engineering, or a related field, dependent upon area of assignment.
2. Four (4) years of increasingly responsible professional engineering work experience.
3. Must possess a valid California Class C Driver’s License.
4. Must possess a valid registration as a professional engineer (P.E.) in the State of California.

Desired:

• A strong background in civil/environmental engineering, methods of wastewater treatment, and odor control.
• Previous experience overseeing the design, replacement, rehabilitation, and abandonment of plant process areas to protect public health and the environment.
• Previous experience in collections system infrastructure/pipelines and pump stations.
• Previous experience with the design, replacement, rehabilitation, and abandonment of civil utility systems, wastewater collections system pipelines, and pump stations.
• A master's degree in civil/environmental engineering.

Recruitment & Selection Process

Vacancies: 1

(an eligible list may be established for future vacancies)

Apply online at: www.ocsan.gov/careers

APPLICATION FILING DEADLINE: Monday, October 12, 2026; 5:00 P.M.

(or until a sufficient number of qualified applications have been received)

Hiring Salary Range: $148,928.00 – $164,174.40/Year

(starting salary will be within this range based upon qualifications)