District Attorney Investigator

3% salary increase pending Board of Supervisors approval

Recruitment #20-413040-01



COMMITMENT TO SERVICE: Our mission is to serve the people and to provide a safe and healthy place to live, learn, work and play.

We serve the public in many different ways, including:

  • Providing primary medical, dental, alcohol, drug and mental health services to residents, including the uninsured, low-income, and medically underserved
  • Providing law enforcement services in the unincorporated area of the county
  • Protecting the community from public health threats such as communicable diseases
  • Coordinating countywide responses to domestic violence and terrorism or other emergencies
  • Managing the criminal justice process after arrest (jail, prosecution, probation)
  • Supporting other local governments through efficient property tax collection as mandated by the State, County and local jurisdictions; and,
  • Administration and enforcement of Federal, State, and Local laws and policies pertaining to environmental health, building construction, and land use planning

OUR EMPLOYEES: Our diverse workforce is committed to fulfilling this mission and does so by exemplifying our IDEAL Core Values, engaging in our day to day work of serving the public with Integrity, Dignity, Excellence, Accountability, and Leadership.

To learn more about Solano County, please visit: www.solanocounty.com


Achieving Justice and Protecting the Community

It is the mission of the District Attorney's Office to seek and do justice by assisting law enforcement and other public agencies in the investigation of crimes, prosecuting only those crimes which can be proved beyond a reasonable doubt, ensuring a fair trial for those accused of crime as well as for victims and witnesses of crimes, advocating to the public and to the Board of Supervisors necessary improvements to the criminal justice system, and educating the public by providing prompt and accurate information regarding the activities of the office and the administration of criminal justice.    

To learn more about the District Attorney's Office, please visit: http://www.solanocounty.com/depts/da/default.asp


District Attorney Investigator is the full working level in skilled investigation work performed in support of the criminal  prosecution activities of the District Attorney's Office. The District Attorney Investigator may be assigned to specialized units of the District Attorney’s Office, e.g. general criminal prosecutions, child abduction, state prison, career criminal, consumer, environmental, real estate fraud, auto insurance/workers’ compensation fraud and auto theft.

A 4/10 modified work schedule is available in the District Attorney's Bureau of Investigation.

The eligible list established from this recruitment will be used to fill full-time and part-time regular, limited-term or extra-help positions as vacancies occur or the need arises.


Education: Thirty (30) semester units or 45 quarter units of academic course work in Criminal Justice, Criminology, Law Enforcement, Police Science, or related field which addresses prevention, discovery, control, and treatment of crimes, criminals, and criminality from an accredited college or university.  See Document Submittal Requirements for more information.


Experience: Three (3) years as a detective/investigator with a District Attorney’s office, Sheriff’s Department, Police Department, or other recognized public law enforcement agency whose primary responsibility is the investigation of criminal activity. 

Note: To meet this experience requirement, the majority of time must have been spent performing duties such as gathering evidence, interviewing and locating witnesses, investigating crime scenes, and writing reports of findings to be used in Court in the prosecution of defendants.  Incidental investigative work which is gained through performance of duties such as patrol, inmate custodial work, accident investigation, etc. is not considered qualifying.  


Possession of a valid and current California Peace Officer Standards and Training (P.O.S.T.) Basic Peace Officer Certificate.   See Document Submittal Requirements for more information.  

The satisfactory completion of the training required by P.O.S.T. for District Attorney Investigators is required within 12 months from date of hire.  

Possession of or ability to obtain a valid Class C California driver's license.

To view the job description for this position, please visit: 



Solano County offers a cafeteria-style medical package with health benefits, offered through CalPERS. The County contribution for family coverage for the 2020 calendar year is $1,498.09 per month. The County offers a cash back provision for those who choose employee-only or who waive medical insurance coverage. The County may offer a supplemental contribution for employees enrolled in Employee plus Two or More coverage.

Dental and vision insurances for the employee and eligible dependents are paid 100% by the County.   

Solano County participates in CalPERS retirement.

The County observes twelve (12) full day fixed paid holidays per year. Additionally, employees in this bargaining unit receive three (3) floating paid holidays per year. 

Vacation is accrued at approximately 10 days per year for the first 3 years. Sick leave accrues at approximately 12 days per year.

Employees are eligible to receive an additional 2.5% longevity pay, per level, after the completion of continuous service at 10, 20, 25, 30 and 35 years.

To review the benefits for a regular position, please visit:


Extra-help employees who work less than 29 hours per week do not typically receive or accrue benefits of regular employees during their period of employment. All extra-help employees accrue .034 hours of Sick Leave for every full hour worked.


To view the benefits for an extra-help position, please visit:



Solano County is committed to “Invest In and For the Future” by providing training resources to encourage employee professional development and growth within our organization. While employed with Solano County, employees have the opportunity to pursue their career goals, interests, and develop the competencies on the Solano County Leadership Development Model by participating in the following programs:

• Tuition Reimbursement Program

• Annual Education Fair

• County Mentoring Program

• Leadership Academy

• Supervisory Trainings

• Skill Development Trainings

• Self-paced learning opportunities


3/19/2020 – Deadline to submit application and required documents.

Week of 3/30/2020 – Tentative week for oral board exam for most qualified applicants.

Based on the information provided in the application documents, the qualified applicants may be invited for further examination and will either be pre-scheduled by the Department of Human Resources or be invited to self-schedule. All applicants meeting the minimum qualifications are not guaranteed advancement through any subsequent phase of the examination. Depending upon the number of applications received, the selection process may consist of an initial application screening, a mandatory information meeting, a supplemental questionnaire assessment, a written and/or practical exam, an oral board exam, or any combination listed. Responses to supplemental questions may be used as screening and testing mechanisms and will be used to assess an applicant’s ability to advance in the process; as such, responses to supplemental questions should be treated as test examination responses. Information contained herein does not constitute either an expressed or implied contract.

A minimum score of 70% is required to continue in the selection process, unless otherwise announced.

All potential new hires and employees considered for promotion to management, confidential positions or unrepresented positions will be subject to a background and reference check after contingent job offer is accepted.  These provisions are subject to change.

RETIREES - Solano County invites all qualified candidates to apply for positions; however pursuant to Government Code Section 21221(h) and 21224, hiring restrictions may apply to California Public Sector Pension Plan Retirees.


Please visit the County of Solano website, www.jobsatsolanocounty.com, to apply. Applications must be submitted through the JobAps system. Paper copies of applications are not accepted. All additional application materials as requested in the job announcement (degree/transcripts, certificates, DD-214 if applicable, ADA Accommodation Request) must be submitted with the Document Cover Sheet, available on the employment website: https://jobapscloud.com/Solano/sup/doccover.pdf or at the Department of Human Resources’ office,  and are due by the final filing date.

Previously submitted application materials (e.g., copies of diploma and/or transcripts, etc.) for prior recruitments will not be applied for this recruitment but must be re-submitted for this recruitment.

Any further questions can be directed to the Department of Human Resources at (707) 784-6170 or at 675 Texas Street, Suite 1800 Fairfield 94533. The office is open Monday-Friday, 8:00 a.m.-5:00 p.m. EOE/AA.

Please note that all dates/times listed in the job announcement are Pacific Time.


Specific college units and a California Basic POST Certificate are required for this position. All candidates must submit a copy of their official or unofficial college transcripts (verifying the student, institution, courses and units completed) and California POST Basic Peace Officer Certificate by the final filing deadline. Candidates who fail to submit their transcripts and CA POST Basic Peace Officer Certificate by the final filing date will be disqualified from the recruitment. 

PLEASE NOTE THE FOLLOWING:  Candidates who attended a college or university that is accredited by a foreign or non-U.S. accrediting agency must have their educational units evaluated by an educational evaluation service.  The result must be submitted to the Human Resources Department no later than the document deadlines above.  Please contact the local college or university to learn where this service can be obtained.

How to Submit Your Documents

In addition to uploading attachments when applying online, candidates may submit documents in-person, by mail at Solano County Department of Human Resources 675 Texas Street, Suite 1800, Fairfield CA 94533, by fax to (707) 784-3424, or by email at recruitment@solanocounty.com  When submitting documents in-person, by mail or by fax, include the recruitment title (DA Investigator) and the recruitment number (20-413040-01).


This Supplemental Questionnaire will be used to determine applicants' qualifications for this position and assess an applicant's ability to advance in the recruitment process; therefore, applicants are encouraged to answer all questions thoroughly and completely. Omitted information will not be considered or assumed. Applicants who have no experience in a specific area are recommended to state "no experience in this area" instead of leaving the space blank.

Please note that the experience in your answers must be reflected in your employment history. 


Have you completed at least 30 semester units or 45 quarter units of academic course work in Criminal Justice, Criminology, Law Enforcement, Police Science, or related field which addresses prevention, discovery, control, and treatment of crimes, criminals, and criminality from an accredited college or university?

Yes No

I understand that specific units of academic course work are required for this position and will submit a copy of my official or unofficial transcripts which verify the student, institution, courses and units completed. I further understand that my transcripts must be received by the final filing deadline as detailed within the job announcement.

Yes No

A California POST Basic Certificate (professional certificate for peace officers) is required for this position. Please select which California POST professional certificates you possess:

I do not possess any professional peace officer certificates

I understand that a California POST Basic Certificate is required for this position. I further understand that a copy of my certificate must be received by the final filing deadline as detailed within the job announcement.

Yes No


Incumbents will be assigned to work outside of normal office hours.  Incumbents must be able to work any shift, holiday and weekend, and anywhere in the County.


Incumbents may have to travel outside of the county, state or country on official business.


Incumbents must have the ability to possess a U.S. passport.


Incumbents must be U.S. citizens.


Peace Officers must meet minimum standards concerning citizenship, age, character, education and physical/mental condition as set forth in Sections 1029 and 1031 of the California Government Code.


Candidates in this position will be required to pass a rigorous background investigation in accordance with applicable laws, regulations or policies.


To be eligible, applicant must have served at least 181 consecutive days of active duty in the Armed Forces of the United States and have received either an honorable discharge or a general discharge under honorable conditions. A COPY OF THE DD 214, SHOWING DISCHARGE TYPE (GENERALLY COPY 4), MUST BE RECEIVED IN THE HUMAN RESOURCES DEPARTMENT BY THE FINAL FILING DATE. Applicants who have a service connected disability must also submit a recent award letter from the VA stating they are receiving disability benefits for service connected reasons. 

Veteran applicants for initial County employment with an honorable or general under conditions discharge shall receive five (5) points added to their combined score. Disabled veterans rated at not less than 30% disability shall have ten (10) points added to their combined score. Veteran’s preference points will only be added to passing scores in competitive open examinations.


It is the policy of Solano County that all employment decisions and personnel policies will be applied equally to all County employees and applicants and be based upon the needs of County service, job related merit, and ability to perform the job.

APPLICANTS WITH DISABILITIES: Qualified individuals with a disability, who are able to perform the essential functions of the job, with or without reasonable accommodation, and need an accommodation during any phase of the recruitment/testing/examination process (as detailed in the “Selection Process”), must complete the following Request for Testing Accommodation by Applicants with Disabilities Form: http://www.solanocounty.com/civicax/filebank/blobdload.aspx?BlobID=23215.

This form must be received in the Human Resources Department by the final filing date of the recruitment. Applicants will be contacted to discuss the specifics of the request.


Take a video tour of Solano County: 


Solano County is the ideal place to live, learn, work and play…  The America's Promise Alliance has named Solano County as one of the 100 Best Communities for Young People for six straight yearsthe only California community with that distinction.

  • Live – Solano County as well as cities within the County have ranked in the top 15 hottest markets across the country and within the Bay Area due to prime location and affordability.
  • Learn – Higher education abounds! Within the County, education choices include: Solano Community College, CSU Maritime Academy, Brandman University, and Touro University. Bordering our County is the renowned University of California Davis.
  • Work – The blend of agriculture, corporate business and pleasant lifestyle enhance the attraction of Solano County. Blessed with a thriving agricultural economy, the county is also home to biotechnology and other growth industries.
  • Play - Situated midway between San Francisco and Sacramento—the State capitol, Solano County is home to rolling hillsides, waterfronts and fertile farmland. County residents can enjoy day trips to the San Francisco Bay area, Lake Tahoe region and the Napa and Sonoma Valleys.

County Population (2018): 439,793

The provisions of this bulletin do not constitute an expressed or implied contract. Any provision contained in this bulletin may be modified or revoked without notice.