State of California
Are you interested in a meaningful job and want to work toward building healthy, safe, and economically viable communities? Are you driven by protecting the environment and health of all Californians? Consider a career with the California Department of Toxic Substances Control (DTSC.) We are located within the California Environmental Protection Agency network of agency partners that are committed to protecting all Californians and the environment. We are looking for a highly motivated and adaptable individual to join our team. Qualified staff will have an opportunity to manage and oversee a wide range of environmental cleanup projects throughout southern CA. It is a chance to make a difference to our communities and the environment with your analytical, scientific and engineering skill sets.
As a Hazardous Substances Engineer you will have the opportunity to:
- Review and/or prepare technical engineering reports and other documents including, but not limited to, Phase I reports, Preliminary Endangerment Assessments, Resource and Cost Recovery Act Facility Assessments, site characterization workplans and reports, sampling and analysis plans, human health and ecological risk assessments, pilot and treatability studies, feasibility studies, remedy selection documents, design, implementation, completion reports, operation and maintenance plans, five-year reviews and long-term monitoring reports for compliance with approved plans
- Evaluate site characterization data to support engineering remedial design and implementation; review or develop process flow and instrumentation diagrams, and design plans and specifications of engineering remedy; perform remedial system optimization using value engineering and systematic approach tools; conduct engineering analyses of soil or engineered cap designs, slope stability evaluations, groundwater and soil vapor extraction and treatment system designs and monitoring plans
- Perform statistical and trend analysis on data to define the overall effectiveness of remedial treatment technology
- Prepare and maintain accurate project schedules to facilitate allocation of resources
- Prepare estimates for oversight costs for each assigned project and follow up with the Responsible Parties to ensure payment of invoices for billed activities
- Routinely update and maintain project information on existing sites in the DTSC EnviroStor database, including uploading major milestone documents to EnviroStor on a timely basis
- Work Experience in Engineering Principles and Regulations Related to state remediation process and requirements, CERCLA Site Investigation and Remediation process and/or RCRA Corrective Action
- A minimum of 3 years of hands-on experience in environmental site investigation and remediation project
- Familiar knowledge of remediation technologies for various media including soil, soil gas, air, and groundwater
- Ability to plan and manage multiple projects with exact deadlines to ensure project activities are completed on time and within budget
- Able to prepare and maintain accurate project schedules to facilitate allocation of resources
- Ability to draft a statement of work and oversight of cost estimates
Working Conditions
A hybrid schedule may be available for this position. The position is headquartered in Cypress, CA.
Click the link below for a special message from Director Katie Butler on DTSC's culture:
DTSC - Diversity, Equity, Inclusion and Belonging (DEIB)
Minimum Requirements You will find the Minimum Requirements in the Class Specification.
- HAZARDOUS SUBSTANCES ENGINEER
- Job Application Package Checklist
- Duty Statement
Position Details Job Code #:
JC-489532
Position #(s):
810-514-3726-158
Working Title:
Hazardous Substances Engineer
Classification:
HAZARDOUS SUBSTANCES ENGINEER $6,488.00 - $7,735.00 A
$7,428.00 - $9,296.00 B
$8,896.00 - $11,131.00 C
$9,712.00 - $12,152.00 D
New to State candidates will be hired into the minimum salary of the classification or minimum of alternate range when applicable.
# of Positions:
1
Work Location:
Orange County
Telework:
Hybrid
Job Type:
Permanent, Full Time
Facility:
Cypress Regional Office
Department Information
This position is located at our Regional office in Cypress, CA .
The Department of Toxic Substances Control (DTSC) is a member of the boards, departments, and offices (BDO) within the California Environmental Protection Agency (CalEPA).
Our Mission: To protect California's people, communities, and environment from toxic substances, to enhance economic vitality by restoring contaminated land, and to compel manufacturers to make safer consumer products.
Our Vision: All of California is thriving in a healthy environment.
Our Core Values: DTSC values diversity, equity, and inclusion throughout the organization. We foster an environment where employees from a variety of backgrounds, cultures, and personal experiences are welcomed and can thrive. We believe the diversity of our employees is essential to inspiring innovative solutions. Together we further our mission to protect California's people, communities, and environment from toxic substances, to enhance economic vitality by restoring contaminated land, and to compel manufacturers to make safer consumer products. Join DTSC to improve the lives of all Californians!
DTSC Recruitment Survey:
Click here to complete the DTSC recruitment survey.
Department Website:
Application Instructions
Completed applications and all required documents must be received or postmarked by the Final Filing Date in order to be considered. Dates printed on Mobile Bar Codes, such as the Quick Response (QR) Codes available at the USPS, are not considered Postmark dates for the purpose of determining timely filing of an application.
Final Filing Date: 9/5/2025
Who May Apply
Individuals who are currently in the classification, eligible for lateral transfer, eligible for reinstatement, have list or LEAP eligibility, are in the process of obtaining list eligibility, or have SROA and/or Surplus eligibility (please attach your letter, if available). SROA and Surplus candidates are given priority; therefore, individuals with other eligibility may be considered in the event no SROA or Surplus candidates apply.
Applications will be screened and only the most qualified applicants will be selected to move forward in the selection process. Applicants must meet the Minimum Qualifications stated in the Classification Specification(s).
How To Apply
Complete Application Packages (including your Examination/Employment Application (STD 678) and applicable or required documents) must be submitted to apply for this Job Posting. Application Packages may be submitted electronically through your CalCareer Account at When submitting your application in hard copy, a completed copy of the Application Package listing must be included. If you choose to not apply electronically, a hard copy application package may be submitted through an alternative method listed below:
Address for Mailing Application Packages
You may submit your application and any applicable or required documents to:
Department of Toxic Substances Control
Cypress Regional Office
Attn: Nicholas Ta
5796 Corporate Avenue
Cypress , CA 90630-4732
Address for Drop-Off Application Packages
You may drop off your application and any applicable or required documents at:
Department of Toxic Substances Control
Cypress Regional Office
Nicholas Ta
5796 Corporate Avenue
Cypress , CA 90630-4732
Drop-off applications must be received, and date stamped by 5:00 PM on the final filing date
08:00 AM - 05:00 PM
Required Application Package Documents
The following items are required to be submitted with your application. Applicants who do not submit the required items timely may not be considered for this job:
- Current version of the State Examination/Employment Application STD Form 678 (when not applying electronically), or the Electronic State Employment Application through your Applicant Account at All Experience and Education relating to the Minimum Qualifications listed on the Classification Specification should be included to demonstrate how you meet the Minimum Qualifications for the position.
- Resume is required and must be included.
- Other - Cover Letter
Benefits Benefit information can be found on the CalHR website and the CalPERS website.
Contact Information
The Human Resources Contact is available to answer questions regarding the application process. The Hiring Unit Contact is available to answer questions regarding the position.
Department Website:
Human Resources Contact:
Talent Acquisition
(279) 895-5087
Hiring Unit Contact:
Nicholas Ta
(714) 484-5381
Please direct requests for Reasonable Accommodations to the interview scheduler at the time the interview is being scheduled. You may direct any additional questions regarding Reasonable Accommodations or Equal Employment Opportunity for this position(s) to the Department's EEO Office.
EEO Contact:
EEO Office
(916) 324-3095
California Relay Service: 1-800-735-2929 (TTY), 1-800-735-2922 (Voice) TTY is a Telecommunications Device for the Deaf, and is reachable only from phones equipped with a TTY Device.
Additional Application Instructions
For experience/education to qualify during the application screening process, and to ensure that minimum qualifications can be determined, applicants should include all employment history on the Employment Application (STD 678), including detailed job descriptions, hours worked per week, and start/end dates (MM/DD/YYYY). Application packages without this information may experience delayed processing times and your eligibility for this position may be impacted.
Electronic applications submitted through your CalCareer Account are highly recommended . If you are unable to apply electronically through your CalCareer account, please mail a completed and signed STD. 678 and application package to the mailing address provided above in the "Application Instructions" section. Applications must be postmarked on or before the final filing date.
For mail-in or drop-off applications, please include JC# 489532 and indicate the basis of your eligibility in the Examination(s) or Job Title(s) section. SROA and surplus candidates should submit a copy of their letter with their application.
Pending Budget Approval - DTSC will obtain all necessary approvals prior to extending a job offer.
Foreign Degrees
Applicants who completed their education outside the United States (with foreign degree/ transcripts) must obtain and submit verification of United States course/degree equivalency.
Foreign education credential evaluation services can be found at .
DO NOT include any confidential information in your application or supporting documents (i.e., Social Security Number, birthdate, marital status, medical information, examination results, method of eligibility, etc.).
Examination Information
List eligibility is established through an examination process in which one must apply and successfully pass the examination for the classification. If you have not established list eligibility for the Hazardous Substances Engineer , please click on the link to the examination bulletin for more information:
Equal Opportunity Employer
The State of California is an equal opportunity employer to all, regardless of age, ancestry, color, disability (mental and physical), exercising the right to family care and medical leave, gender, gender expression, gender identity, genetic information, marital status, medical condition, military or veteran status, national origin, political affiliation, race, religious creed, sex (includes pregnancy, childbirth, breastfeeding and related medical conditions), and sexual orientation.
It is an objective of the State of California to achieve a drug-free work place. Any applicant for state employment will be expected to behave in accordance with this objective because the use of illegal drugs is inconsistent with the law of the State, the rules governing Civil Service, and the special trust placed in public servants.