District Attorney Senior Inspector

District Attorney Senior Inspector

Salary

$132,195.35 - $183,001.57 Annually

Location

Martinez, CA

Job Type

Permanent Full-Time

Job Number

6KVA-2026B

Department

District Attorney

Opening Date

09/24/2026

Closing Date

10/15/2026 11:59 PM Pacific

FLSA

Non-Exempt

Bargaining Unit

XJ

• Description
• Benefits
• Questions

The Position

Bargaining Unit: District Attorney Investigators Association

The Contra Costa County District Attorneys Office is seeking experienced investigators to fill three (3) District Attorney Senior Inspector positions in its Bureau of Investigations. Successful candidates will work with a team of attorneys, investigators, and other supporting staff in the investigation and preparation of criminal cases for prosecution. Incumbents may be assigned criminal cases from various units including, but not limited to: homicide, felony trial team, sexual assault, statutory rape, drugs, domestic violence, juvenile, parental child abduction, political corruption, human trafficking, cold case, and fraud. Senior Inspectors locate witnesses, interview witnesses and suspects, visit crime scenes, gather and preserve evidence, take still and video photographs, serve subpoenas and other legal papers, request complaints, appear as witnesses and testify at inquests, court proceedings, and Grand Jury sessions. In addition, Senior Inspectors prepare and serve search warrants, conduct initial investigations and make arrests in criminal cases initiated by the District Attorneys Office. They also assist in discovery matters and prepare reports and correspondence as needed. Senior Inspectors participate in raids and sting operations and coordinate the work of other investigators assigned to the same or related cases.

As a member of the District Attorneys Office Bureau of Investigations, incumbents will have an opportunity to work in many challenging and fulfilling investigative/prosecution focused assignments while helping our Office achieve our goals of "Seeking Justice, Serving Justice, and Doing Justice."

Incumbents will work in close conjunction with all of our partners in law enforcement. You will become a member of a team that is respected statewide, adopts the best practices available in the industry, and strives to operate efficiently, effectively, and intelligently. By joining our team, you will hold criminal offenders accountable for their actions and protect victims rights.

With over 20 different division assignments, there is ample opportunity for both lateral movement and promotion. Developing and maintaining an expertise in a particular assignment, or experiencing many different assignments, are two examples of available career paths.

Incumbents in this class are required to serve a one-year probationary period. This is a sworn law enforcement position and incumbents may be required to work nights, weekends, and holidays, as well as be available to work call-outs and overtime.

We are looking for someone who:

• Values honesty, integrity, and ethical conduct
• Possesses intelligence, as well as common sense
• Is diligent and hard working
• Demonstrates courtesy, collegiality, and collaboration
• Has strong criminal investigative knowledge and expertise

What you will typically be responsible for:

• Locating uncooperative and/or difficult witnesses and victims and acting as the liaison between the district attorneys office and the witness/victim
• Participating in the service of search and arrest warrants, including "high-risk" warrants
• Assisting deputy district attorneys with the organization and execution of their prosecutions which may include the service of subpoenas, obtaining statements, gathering and preserving evidence, and accompanying the DDA to crime scenes and witness/victim meetings
• Responding to "high profile" Law Enforcement Involved Fatal Incidents as part of an investigative team, working cooperatively with participant agencies
• Investigating criminal complaints from their initiation, completing an investigation, and submitting the investigation to a DDA for prosecution
• Working cooperatively with sworn and civilian members of other law enforcement agencies at the local, state, and federal level
• Working cooperatively with the public defenders office, private law firms, and other public agencies
• Potentially speaking as a subject matter expert at public events as a representative of the district attorneys office

A few reasons why you might love this job:

• You will have an opportunity to work with a dedicated staff, in an environment that provides for an excellent opportunity to succeed, thus making a real difference in our county
• You will have the personal satisfaction that comes from assisting the most vulnerable and deserving members of our community, by bringing justice to themselves and their families
• You will have access to great working conditions, equipment, training opportunities, and be part of a real "team" environment

A few challenges you might face in this job:

• You may work late and long hours; working overtime is a requirement
• You may deal with frustrated victims and witnesses who are disappointed in the criminal justice system
• You are a member of law enforcement at a time when law enforcement personnel are faced with an unprecedented number of challenges

Competencies required:

• Action & Results Focused (Taking Initiative): Initiating tasks and focusing on accomplishment
• Delivering Results: Meeting organizational goals and customer expectations and making decisions that produce high-quality results by applying technical knowledge, analyzing problems, and calculating risks
• Professional & Technical Expertise: Applying technical subject matter to the job
• Interpersonal Savvy: Considering and responding appropriately to the needs and feelings of others in different situation
• Professional Integrity & Ethics: Displaying honesty, adherence to principles, and personal accountability

You can read the complete job description at: www.cccounty.us/hr.

The eligible list established from this recruitment will remain in effect for six (6) months.

Minimum Qualifications

License Required: Possession of a valid California Motor Vehicle Operator's License. Out of state valid motor vehicle operator's license will be accepted during the application process.

Certificate Required: Possession of a valid Peace Officer Basic Certificate issued by the State of California Commission on Peace Officers Standards (POST). Must be currently certified by POST (i.e., active California Peace Officer within three years, or successfully completed the POST 136-hour Requalification Course upon hire).

Education: Possession of a high school diploma, or G.E.D. equivalency or a high school proficiency certificate.

Experience: Three years of full-time experience as an investigator or detective in a public law enforcement agency investigating felony crimes such as homicides, burglary, narcotics, sexual assault, and domestic violence, or three years of experience as District Attorney Inspector-Welfare Fraud in Contra Costa County employment.

Citizenship: Must be a citizen of the United States or a permanent resident alien who is eligible for and has applied for citizenship a minimum of one year prior to submitting the application.

Physical Requirements: Ability to meet such health standards as may be prescribed by the County Medical Consultant. These standards will be based on the POST Commission's Medical Guidelines for Peace Officers.

Hearing: Must not have suffered a hearing loss of over 25 decibels in the 500, 1000, 2000, and 3000 frequency ranges.

Visual Acuity: 20/100 uncorrected for each eye; corrected to 20/30 each eye.

Background:

(1) A thorough background investigation shall be conducted in accordance with the specifications of the State of California Commission on Peace Officer Standards and Training.

(2) Shall not have been convicted of a felony in this State or any other State or in any Federal Jurisdiction, which would have been a felony if committed in this State.

Selection Process

• Application Filing: All applicants must apply online and submit the information as indicated on the job announcement and supplemental questionnaire by the final filing date.
• Application Evaluation: Depending on the number of applications received, an Application Evaluation Board may be convened to evaluate and select the best-qualified candidates for invitation to the next phase of the examination.
• Training and Experience Questionnaire: Candidates will be required to complete a training and experience questionnaire at the time of filing. The responses to the training and experience questions on the supplemental questionnaire will be used to evaluate candidates relevant education, training and/or experience as it relates to the District Attorney Senior Inspector Classification. (Weighted 100%)
• Final Selection Interviews: These will be scheduled by the department once the eligible list is established.

The Human Resources Department may change the examination steps noted above in accordance with the Personnel Management Regulations and accepted selection practices.

For recruitment specific questions, please contact Austin Wagers at Austin.Wagers@hrd.cccounty.us. For any technical issues, please contact the GovernmentJobs' applicant support team for assistance at +1 855-524-5627.

CONVICTION HISTORY

After you receive a conditional job offer, you will be fingerprinted, and your fingerprints will be sent to the California Department of Justice (DOJ) and the Federal Bureau of Investigation (FBI). The resulting report of your conviction history (if any) will be used to determine whether the nature of your conviction conflicts with the specific duties and responsibilities of the job for which you have received a conditional job offer. If a conflict exists, you will be asked to present any evidence of rehabilitation that may mitigate the conflict, except when federal or state regulations bar employment in specific circumstances. Having a conviction history does not automatically preclude you from a job with Contra Costa County. If you accept a conditional job offer, the Human Resources department will contact you to schedule a fingerprinting appointment.

DISASTER SERVICE WORKER

All Contra Costa County employees are designated Disaster Service Workers through state and local law. Employment with the County requires the affirmation of a loyalty oath to this effect. Employees are required to complete all Disaster Service Worker-related training as assigned, and to return to work as ordered in the event of an emergency.

EQUAL EMPLOYMENT OPPORTUNITY

It is the policy of Contra Costa County to consider all applicants for employment 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 category under the law.

Contra Costa County is committed to providing equal access and opportunity to qualified individuals with disabilities in its employment practices. If you believe you may anticipate needing reasonable accommodation, please visit our job seeker resources page at: Special Testing Accommodations | Contra Costa County, CA Official Website.

To find more information on Benefits offered by Contra Costa County, please go to https://www.contracosta.ca.gov/1343/Employee-Benefits

01

The purpose of the questionnaire is to provide applicants the opportunity to elaborate on their experience, education, and training for the District Attorney Senior Inspector position and to assist Human Resources staff in assessing each applicants qualifications. Your responses to the questionnaire will be used to better understand your relevant experience, education, and training to determine which applicants will be invited to participate in the next step of the recruitment process. Do not answer any of the questions by indicating "see attached application or see resume."

• I understand

02

Are you a United States Citizen or a permanent resident alien who is eligible for and has applied for citizenship a minimum of one year ago?

• Yes, I am a United States Citizen
• Yes, I am a permanent resident alien who is eligible for and has applied for citizenship a minimum of one year ago
• No, I am not a US Citizen or permanent resident alien

03

Do you possess a valid drivers license?

• Yes, I possess a valid drivers license
• I currently possess an out of state valid motor vehicle operators license
• No, I do not possess a valid drivers license

04

Are you able to meet the POST Commissions Medical Guidelines for Peace Officers?

• Yes
• No

05

Are you currently certified by POST (i.e., active California Peace Officer within three years, or successfully completed the POST 136 hour Requalification Course upon hire)?

• Yes
• No

06

If hired you may be required to work nights, weekends, and holidays, as well as be available to work call outs and overtime.

• I understand

07

How many years of experience do you have as an investigator or detective in a public law enforcement agency investigating felony crimes such as homicides, burglary, narcotics, sexual assault, and domestic violence, or as a District Attorney Inspector-Welfare Fraud in Contra Costa County employment?

• Less than three years of experience
• More than three years of experience

08

Briefly describe your experience investigating major felony crimes. Be specific. Include your working title and name of employer.

09

The minimum qualifications for this class require the following:

License Required: Possession of a valid California Motor Vehicle Operator's License. Out of state valid motor vehicle operator's license will be accepted during the application process. Certificate Required: Possession of a valid Peace Officer Basic Certificate issued by the State of California Commission on Peace Officers Standards (POST). Must be currently certified by POST (i.e., active California Peace Officer within three years, or successfully completed the POST 136-hour Requalification Course upon hire). Education: Possession of a high school diploma, or G.E.D. equivalency or a high school proficiency certificate. Experience: Three years of full-time experience as an investigator or detective in a public law enforcement agency investigating felony crimes such as homicides, burglary, narcotics, sexual assault, and domestic violence, or three years of experience as District Attorney Inspector-Welfare Fraud in Contra Costa County employment. Citizenship: Must be a citizen of the United States or a permanent resident alien who is eligible for and has applied for citizenship a minimum of one year prior to submitting the application. Physical Requirements: Ability to meet such health standards as may be prescribed by the County Medical Consultant. These standards will be based on the POST Commission's Medical Guidelines for Peace Officers. Hearing: Must not have suffered a hearing loss of over 25 decibels in the 500, 1000, 2000, and 3000 frequency ranges. Visual Acuity: 20/100 uncorrected for each eye; corrected to 20/30 each eye.

• I understand that candidates must possess the minimum qualifications in order to be considered

10

Are you interested in being considered for temporary employment?

• Yes, I am interested in temporary employment.
• No, I am only interested in permanent positions.

11

The following questions are part of our Training and Experience evaluation. Your responses to these questions will be used to evaluate your relevant education, training and/or experience as it relates to the District Attorney Senior Inspector Classification.

• I understand

12

How many years of experience do you have locating and interviewing witnesses, victims, suspects, arresting officers, or other sources of information as part of criminal investigations?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

13

How many years of experience do you have collecting, securing, documenting, evaluating, and preserving physical or demonstrative evidence for use in criminal investigations or court proceedings?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

14

How many years of experience do you have assisting attorneys or prosecutors with the preparation of criminal cases for prosecution or trial, including organizing evidence, preparing exhibits, coordinating witness testimony, or presenting investigative findings?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

15

How many years of experience do you have preparing clear, concise, and comprehensive investigative reports documenting criminal investigations, evidence, interviews, findings, and recommended actions?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

16

How many years of experience do you have preparing for and participating in criminal court proceedings, including testifying in court, Grand Jury proceedings, preliminary hearings, depositions, or other legal proceedings?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

17

How many years of experience do you have exercising peace officer authority to conduct enforcement actions, including arrests, detentions, service of court orders, warrants, or participation in law enforcement operations?

• I do not have any experience as described
• Less than one (1) year of experience as described
• One (1) or more years, but less than two (2) years of experience as described
• Two (2) or more years, but less than three (3) years of experience as described
• Three (3) or more years of experience as described

18

By checking this box, I am confirming that all statements made in this supplemental questionnaire and on the application are accurate and true; and I understand that misstatements or omissions of material facts will result in being rejected from this recruitment process or released from future employment with Contra Costa County.

• I understand

Required Question

Employer County of Contra Costa