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Background Investigation Jobs in California (NOW HIRING)

They combine rigorous investigative thoroughness for background vetting with executive presence, emotional intelligence, and diplomatic tact for complex internal affairs inquiries. Key core ...

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Background Investigation information

See California salary details

$30.1K

$69.2K

$112.5K

How much do background investigation jobs pay per year?

As of Sep 7, 2026, the average yearly pay for background investigation in California is $69,205.00, according to ZipRecruiter salary data. Most workers in this role earn between $49,300.00 and $83,900.00 per year, depending on experience, location, and employer.

What is a background investigator?

A background investigator is a professional responsible for conducting thorough checks into an individual's personal, professional, criminal, and financial history. Their work is often required for government security clearances, employment screenings, or law enforcement hiring. Background investigators gather information through interviews, public records searches, and verifying documents to ensure candidates meet the necessary standards for trustworthiness and reliability. Their findings help organizations make informed decisions about hiring or granting access to sensitive information.

What are the key skills and qualifications needed to thrive as a background investigator, and why are they important?

To thrive as a Background Investigator, you need strong analytical skills, attention to detail, and a solid understanding of investigative techniques, often supported by a bachelor’s degree in criminal justice or a related field. Familiarity with case management systems, public records databases, and sometimes certification in federal background investigations (such as OPM or DSS credentials) is typically required. Excellent written and verbal communication, discretion, and critical thinking set outstanding investigators apart. These skills ensure thorough, accurate, and ethical investigations that protect organizational integrity and meet legal compliance standards.

What are some common challenges faced by background investigators and how can they be managed?

Background investigators often encounter challenges such as incomplete or conflicting information, unresponsive references, and tight deadlines. Managing these issues typically involves developing strong organizational skills, persistence in follow-ups, and effective communication with both clients and sources. Investigators also rely on a thorough understanding of privacy laws and proper documentation practices to ensure compliance and accuracy. Working as part of a team can help share knowledge and strategies for overcoming obstacles, making collaboration and adaptability key assets in this role.

What is the difference between Background Investigation vs Background Check?

AspectBackground InvestigationBackground Check
PurposeIn-depth assessment of an individual's history and characterBasic verification of criminal, employment, and educational records
ScopeComprehensive, including interviews and detailed researchLimited, often automated or document-based
CredentialsMay require specialized training or certificationsMinimal, often performed by HR or screening services
Work EnvironmentPrivate investigation firms, security agenciesHR departments, online screening services

While both involve reviewing an individual's history, a Background Investigation is more detailed and thorough, often used for sensitive positions. A Background Check is quicker and more routine, focusing on verifying key records. Understanding these differences helps employers choose the appropriate process for their hiring needs.

What are the most commonly searched types of Background Investigation jobs in California?

The most popular types of Background Investigation jobs in California are:

What cities in California are hiring for Background Investigation jobs?

Cities in California with the most Background Investigation job openings:

Infographic showing various Background Investigation job openings in California as of August 2026, with employment types broken down into 69% Full Time, 26% Part Time, and 5% Contract. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $69,205 per year, or $33.3 per hour.

DHS Credentialed Background Investigator

CACI

Los Angeles, CA • On-site

Full-time, Part-time

Medical, Retirement, PTO

Posted 9 days ago


Key responsibilities

  • Conduct comprehensive interviews with subjects, employers, associates, references, and other knowledgeable individuals.

  • Review appropriate records to obtain facts and resolve material issues in a case.

  • Document all information received and submit detailed reports of investigation within a strict timeline.


Job description

Job Title: DHS Credentialed Background Investigator Job Category: Service Contract Act Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Local * * * At CACI, background investigation is more than research and reports; it's your chance to contribute to the safety and security of our nation in the company of colleagues who value trust and integrity above all else. CACI fosters a culture based on integrity, strong ethics, quality, and professionalism. Our staff has been an industry-leading provider of federal background investigations since 2004 and employs full-time and part-time investigators in all 50 U.S

states, Puerto Rico, Guam, the U.S. Virgin Islands, and other U.S. territories

What You'll Get to Do Conduct comprehensive interviews with subjects, employers, associates, references, and other knowledgeable individuals and review appropriate records to obtain facts to resolve all material issues in a case or to establish the background, reputation, character, suitability, or qualifications of the subject under investigation. Document all information received and submit a detailed report of investigation within a strict timeline. TDY opportunity at locations across the U.S

for 2 or more weeks in duration Opportunities to work on multiple field investigation contracts You'll Bring These Qualifications Customer credential or the ability to obtain based on National Training Standard certification and experience conducting background investigations Proven quality, timeliness, and production metrics A Bachelor's Degree or 4 years of general experience demonstrating progressive responsibility in problem solving, planning and organizing work, and communicating effectively orally and in writing. Clearance: Active Top Secret Clearance based on a T5 Investigation Ability to maintain a favorable determination based on T5 Investigation A sense of mission in support of national security initiatives An impeccable work ethic, integrity, and can-do attitude A current driver's license, reliable personal vehicle, and willingness to extensively travel locally on a daily basis dependent on assignment location A home office equipped with high-speed Internet ($50 monthly internet stipend is provided) A personal computer compatible with Microsoft applications (e.g. Word and Excel) Ability to walk, type, sit, or stand for long periods of time Excellent time management skills Exceptional written and oral communication skills, such as typing detailed, extensive, and lengthy reports and includes: Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately

Shows understanding, friendliness, courtesy, tact, empathy, concern, and politeness to others; develops and maintains effective relationships with others; may include effectively dealing with individuals who are difficult, hostile, or distressed; relates well to people from varied backgrounds and different situations; is sensitive to cultural diversity, race, gender, disabilities, and other individual differences. Recognizes or uses correct English grammar, punctuation, and spelling; communicates information (for example, facts, ideas, or messages) in a succinct and organized manner; produces written information, which may include technical material that is appropriate for the intended audience. This position description is not an active opening but is representative of positions within CACI that are consistently available.

Individuals who apply may be considered for other positions at CACI. What We Can Offer You: - We've been named a Best Place to Work by the Washington Post. - Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities. - We are mission-oriented and ever vigilant in aligning our solutions with the nation's highest priorities. - For over 60 years, the principles of CACI's unique, character-based culture have been the driving force behind our success.

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy. Pay Range: This posting is for a position covered by the Service Contract Labor Standards (SCA).

The pay and benefits provided for this position will meet or exceed the minimum required amounts detailed in the wage determination issued by the Department of Labor and made applicable to this position, as incorporated into CACI's government contract for the work location. Since the position can be worked in more than one location, the rate shown is the Minimum Wage for Federal Contractors. The actual rate will be based on contract, location and job classification.

Minimum Required Hourly Wage: $26.07 There are a host of other factors that can influence final salary including, but not limited to, geographical location, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities

Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. CACI is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.