Associate/Assistant/Junior Engineer
Associate/Assistant/Junior Engineer
Salary: $9,523.17 - $16,557.76 Monthly
Location: Antioch, CA
Job Type: Full Time, Regular
Job Number: 2026-002
Department: Engineering Services Department
Division: Engineering
Opening Date: 03/12/2026
The Position
Delta Diablo is pleased to announce the recruitment efforts for 2 new staff members to join our growing Engineering Services Division. We are recruiting for Associate Engineers, Assistant Engineers, and Junior Engineers. These positions will directly support the timely delivery of the District's capital projects, processing of development permits, and support for other division projects and studies.
These positions will remain open until filled. We encourage applicants to submit their applications by Monday, April 13, 2026. Applications received after this date may still be reviewed if the positions remain available. First review of resumes will be on April 14, 2026. First Round Interviews will be the week of May 4, 2026, with Second Round Interviews being held the week of May 11, 2026.
SALARY RANGE:
Junior Engineer $4,395.31 - $5,342.52 Biweekly
Assistant Engineer $5,421.36 - $6,589.70 Biweekly
Associate Engineer $6,287.13 – $7,642.05 Biweekly
JUNIOR ENGINEER - Class Specifications | Junior Engineer | Class Spec Details
THE POSITION:
Under direct supervision, performs entry-level engineering project work in conformance with procedures, approved civil engineering methods, and professional techniques.
DISTINGUISHING CHARACTERISTICS
This is an entry-level, professional technical engineering classification.
TYPICAL DUTIES
Project Management: Learns to plan and manage approved projects involving capital improvements or replacement and repair of major components of existing water treatment and distribution systems, wastewater treatment plant, collection systems, pump stations, and related facilities. Coordinates assigned capital projects with other departments and outside agencies. Develops and manages budgets, records costs, and schedules of assigned projects. Participates in the selection of consultants for assigned projects; develops requests for proposals, prepares scope of work, and assists in negotiating agreements. Prepare detailed engineering field studies, cost estimates, and reports. Prepares recommendations and project status reports and makes oral and written presentations. Analyzes billings and progress payment requests and recommends payment. Coordinates CEQA compliance for projects. Enforces District policies, procedures, rules, and regulations.
Engineering Studies and Designs: Learns to prepare and conduct detailed engineering field studies, cost estimates, and reports to identify future facility needs, and as required, to prepare capital improvement projects for implementation. Researches and prepares information and data for engineering projects involving the application of multiple legal, technical, or regulatory requirements. Learns to perform engineering design work, including preparing drawings, exhibits, maps, and other project materials. Provides technical support for field operations. Learns to plan and manage capital improvement projects through construction, including inspection activities. Reviews development documents and contractor submittals.
OTHER ASSIGNED DUTIES
General Operations: May be assigned to assist with the administration of the Household Hazardous Waste Program. Prepares information for budget requests and special projects. Participates in the general housekeeping and administrative record-keeping operations of the department. Assumes responsibility for covering a part of the work assignments of other engineering staff during short absences. Participates in teams engaged with process and customer service improvements, cross-training, and team performance evaluations. Prepares and presents formal reports and recommendations as appropriate. Participates in District committees and staff functions. Performs other assigned work consistent with the responsibilities of the classification and necessary to effective department and District operations.
QUALIFICATIONS:
A combination of training and experience which demonstrates that a person has obtained the required knowledge and is able to perform the required work (with reasonable accommodation, if needed). A person with the following training would typically qualify to compete in a selection process:
Education: A Bachelor's Degree in Civil, Environmental Engineering, or a closely related field from a recognized college or university.
Licenses and Certifications:
A valid California State Class C license must be maintained at all times.Continued maintenance of a valid driver's license in compliance with established District vehicle operations standards, and the ability to be insured for the operation of a vehicle/District vehicle in accordance with the terms and conditions of the District's insurance program are conditions of continued employment. Must be able to obtain a California State Engineer-in-Training certificate within 18 months of initial employment.
ASSISTANT ENGINEER - Class Specifications | Assistant Engineer | Class Spec Details
THE POSITION:
Under supervision, performs engineering project work in conformance with procedures, approved civil engineering methods, and professional techniques.
DISTINGUISHING CHARACTERISTICS
This is an experienced professional civil engineering classification.
TYPICAL DUTIES
Project Management: Plans and manages approved projects involving capital improvements or replacement and repair of major components of existing water treatment and distribution systems, wastewater treatment plant, collection systems, pump stations, and related facilities. Coordinates assigned capital projects with other departments and outside agencies. Develops and manages budgets, records costs, and schedules of assigned projects. Participates in the selection of consultants for assigned projects; develops requests for proposals, prepares scope of work, and assists in negotiating agreements. Prepares detailed engineering field studies, cost estimates, and reports. Prepares recommendations and project status reports and makes oral and written presentations. Analyzes billings and progress payment requests and recommends payment. Coordinates CEQA compliance for projects. Enforces district policies, procedures, rules, and regulations.
Engineering Studies and Designs: Prepares and conducts detailed engineering field studies, cost estimates, and reports to identify future facility needs and as required, to prepare capital improvement projects for implementation. Researches and prepares information and data for engineering projects involving the application of multiple legal, technical, or regulatory requirements. Performs engineering design work, including preparing drawings, exhibits, maps, and other project materials. Provides technical support for field operations. Plans and manages projects through construction involving capital improvement. Reviews development and contractor submittals.
OTHER ASSIGNED DUTIES
General Operations: May provide work direction to subordinate engineers. Prepares information for budget requests and special projects. Participates in the general housekeeping and administrative record keeping operations of the department. Assumes responsibility for covering a part of the work assignments of other engineering staff during short absences. Participates inteams engaged with process and customer service improvements, cross-training, and team performance evaluations. Prepares and presents formal reports and recommendations as appropriate. Participates in District committees and staff functions. Performs other assigned work consistent with the responsibilities of the classification and necessary for effective department and District operations.
QUALIFICATIONS
A combination of training and experience which demonstrates that a person has obtained the required knowledge and is able to perform the required work (with reasonable accommodation, if needed). A person with the following combined training and experience would typically qualify to compete in a selection process:
EDUCATION: A Bachelor's Degree in Civil Engineering or a closely related field from an accredited college or university.
EXPERIENCE: Two (2) years of responsible professional level civil or sanitary engineering experience.
Required Licenses, Certifications, and Registrations
A valid California State Class C license must be maintained at all times. Continued maintenance of valid driver's license in compliance with established District vehicle operations standards, and the ability to be insured for the operation of a vehicle/District vehicle in accordance with the terms and conditions of the District's insurance program are conditions of continued employment.
Possession of valid Certification as an Engineer-in-Training (EIT) issued by the California State Board of Registration for Professional Engineers and Land Surveyors is required at time of hire or appointment. Continued maintenance of certificate is a condition of employment.
ASSOCIATE ENGINEER - Class Specifications | Associate Engineer | Class Spec Details
THE POSITION:
Under general supervision, performs professional engineering project work in conformance with procedures, policies, approved civil engineering methods and professional techniques, applicable standards, legal, and technical requirements.
DISTINGUISHING CHARACTERISTICS
This is an experienced professional civil engineering classification in the Engineering job family.
SUPERVISION RECEIVED AND EXERCISED
Receives general supervision from the Senior Engineer and direction from the Engineering Services Director/District Engineer and other District management.
The Associate Engineer provides work direction and/or functional supervision to lower-level classifications in Engineering Services.
TYPICAL DUTIES
Project Management:
Plans and manages approved capital improvement projects of wastewater treatment plant, collection systems, pump stations, water treatment and distribution systems, and related facilities. Coordinates assigned capital projects with other departments and outside agencies. Develops and manages budgets, records costs, and schedules of assigned projects. Manages the selection of consultants for assigned projects, including development of requests for proposals, preparation of the scope of work and negotiation of agreements. Prepares recommendations to the governing board on projects and makes oral and written presentations. Analyzes billings and progress payment requests and recommends payment. Researches and obtains project required legal, regulatory, and technical materials. Obtains information and produces documents needed to arrange change orders and other alterations of approved contracts. Coordinates CEQA compliance for projects.
Engineering Studies and Designs:
Prepares and conducts detailed engineering field studies, cost estimates, and reports to identify future facility needs and as required, to prepare capital improvement projects for implementation. Researches and prepares information and data for engineering projects involving the application of multiple legal, technical, or regulatory requirements. Performs engineering design work, including preparing drawings, exhibits, maps, and other project materials.
OTHER ASSIGNED DUTIES
Prepares information for budget requests and special projects. Participates in the general housekeeping and administrative record-keeping operations of the department. Assumes responsibility for covering a part of the work assignments of other engineering staff during short absences as assigned. Facilitates and participates in teams engaged with process and customer service improvements, cross-training, and team performance evaluations. Prepares and presents formal reports and recommendations as appropriate. Participates in District committees and staff functions. Performs other assigned work consistent with the responsibilities assigned to the classification and necessary to effective department and District operations.
Qualifications
A combination of training and experience which demonstrates that a person has obtained the required knowledge and is able to perform the required work (with reasonable accommodation, if needed). A person with the following combined training and experience would typically qualify to compete in a selection process:
EDUCATION: A Bachelor's Degree in Civil or Environmental Engineering or a closely related field from an accredited college or university. A Master's Degree in Engineering is highly desirable.
EXPERIENCE: Minimum of five (5) years of progressively responsible professional-level civil or sanitary engineering experience, a portion of which may include graduate-level research and development work in the field of wastewater process or resource recovery planning, design, or construction.
Required Licenses, Certifications, and Registrations
A valid California State Class C license must be maintained at all times. Continued maintenance of a valid driver's license in compliance with established District vehicle operations standards, and the ability to be insured for the operation of a vehicle/District vehicle in accordance with the terms and conditions of the District's insurance program are conditions of continued employment.
Possession of a valid registration as a Civil, Mechanical, Electrical, Industrial, and/or other Professional Engineer as issued by the California State Board of Registration for Professional Engineers and Land Surveyors is required at the time of hire or appointment.
Maintenance of the certificate is a condition of employment.
APPLICATION PROCESS:
Applicants interested in these positions are encouraged to submit a Delta Diablo Employment Application. All materials must be submitted online at www.deltadiablo.org/employment.
REPRESENTATION:
The Associate Engineer, Assistant Engineer, and Junior Engineer positions are represented by the Professional and Technical (P&T) Representation Bargaining Unit and will be filled in accordance with the provisions of the Memorandum of Understanding with the District and applicable District procedures. For specific information regarding primary duties, knowledge, and abilities for this position, please refer to the Associate Engineer, Assistant Engineer, and Junior Engineer job descriptions on the District's website at www.deltadiablo.org.
EQUAL EMPLOYMENT OPPORTUNITY:
All aspects of employment and promotions shall be without regard to race, color, religion, sex, national origin, ethnicity, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition, genetic information, military or veteran status, or other protected categories under the law. Reasonable accommodations are accessible to all individuals as part of the recruitment process. Applicants requesting accommodations should submit their request to Human Resources.
DISASTER SERVICE WORKER:
Employees of Delta Diablo are, by State and Federal law, Disaster Service Workers. In the event of a declaration of emergency, any employee may be assigned activities that promote the protection of public health and safety or the preservation of lives and property, either at the District or within the locality of their own community, pursuant to California Government Code Sections 3100-3109.
To apply: https://www.governmentjobs.com/careers/deltadiablo/jobs/5269205/associate-assistant-junior-engineer
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