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Assistant Investigator Jobs in Reston, VA (NOW HIRING)

Olgoonik Corporation

Investigative Assistant I

Arlington, VA · On-site

$42K - $43K/yr

In support of the Department of State, Diplomatic Security Service, the employee serves as an investigative assistant, providing investigative support, management, and operational assistance to ...

Olgoonik Corporation

Investigative Assistant I

Arlington, VA · On-site

$42K - $43K/yr

In support of the Department of State, Diplomatic Security Service, the employee serves as an investigative assistant, providing investigative support, management, and operational assistance to ...

ClearanceJobs

Investigative Assistant I Jobs

Arlington, VA · On-site

$43K - $43K/yr

Investigative Assistant In support of the Department of State, Diplomatic Security Service, the employee serves as an investigative assistant, providing investigative support, management, and ...

New

Workday

Insider Threat Investigator

Reston, VA

About the Role We are seeking a Senior Insider Threat Investigator to join our Insider Threat organization to assist with monitoring, detecting, and mitigating insider risk. This role sits at the ...

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All JobsInvestigator JobsAssistant Investigator JobsAssistant Investigator Jobs in Reston, VA

Assistant Investigator information

See Reston, VA salary details

$37.5K

$41K

$51.5K

How much do assistant investigator jobs pay per year?

As of Aug 18, 2026, the average yearly pay for assistant investigator in Reston, VA is $40,950.00, according to ZipRecruiter salary data. Most workers in this role earn between $39,000.00 and $39,500.00 per year, depending on experience, location, and employer.

What is an assistant investigator?

Assistant Investigators are professionals who support lead investigators in conducting research, gathering evidence, and analyzing information in various fields such as law enforcement, clinical research, or scientific studies. They assist with data collection, documentation, and ensuring that investigations follow protocols and ethical standards. Their role is vital to the success of an investigation, often involving collaboration with other team members and communication of findings. Depending on the industry, Assistant Investigators may also help prepare reports, maintain records, and present results to stakeholders.

What are some typical challenges assistant investigators face when managing multiple cases simultaneously?

Assistant Investigators often juggle several cases at once, which can require strong time management and prioritization skills. Balancing investigative duties, such as evidence collection, documentation, and reporting, while meeting deadlines can be demanding. Close collaboration with senior investigators and other departments helps distribute workload and maintain quality standards. Staying organized and communicating effectively are key to successfully navigating these challenges and ensuring thorough, timely investigations.

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

To thrive as an Assistant Investigator, you typically need a background in criminal justice or a related field, strong analytical skills, and attention to detail. Familiarity with investigative software, case management systems, and occasionally forensic tools is often required. Strong communication, critical thinking, and discretion are important soft skills for gathering information and collaborating with law enforcement or other agencies. These skills ensure accurate, thorough investigations and support effective case resolution while maintaining legal and ethical standards.

What is the difference between Assistant Investigator vs Investigator?

AspectAssistant InvestigatorInvestigator
Required CredentialsTypically a bachelor's degree, relevant experience, sometimes certificationsUsually a bachelor's degree, with more experience or specialized certifications
Work EnvironmentSupportive role in investigations, often under supervisionLead role in conducting investigations independently
Employer & Industry UsageUsed in law enforcement, private investigation, and regulatory agenciesMore senior investigative roles within similar organizations
Common Search & ComparisonOften searched together for career progressionHigher responsibility, more experience required

The main difference between an Assistant Investigator and an Investigator lies in experience, responsibility, and independence. Assistant Investigators typically support investigations under supervision, while Investigators lead and manage cases independently. Both roles are common in law enforcement and private sectors, with Investigators generally requiring more experience or certifications.

What kind of assistant investigator makes the most money?

Senior or specialized assistant investigators, such as those with extensive experience, advanced certifications, or expertise in areas like cyber investigations or financial fraud, tend to earn higher salaries. Leadership roles or working for large organizations can also increase earning potential in this field.

What are the most commonly searched types of Investigator jobs in Reston, VA?

The most popular types of Investigator jobs in Reston, VA are:

What cities near Reston, VA are hiring for Assistant Investigator jobs?

Cities near Reston, VA with the most Assistant Investigator job openings:

Assistant Investigator jobs near you
Infographic showing various Assistant Investigator job openings in Reston, VA as of August 2026, with employment types broken down into 2% As Needed, 76% Full Time, 18% Part Time, 1% Temporary, and 3% Contract. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution, with an average salary of $40,950 per year, or $19.7 per hour.

Healthcare Fraud Investigator

Contact Government Services, LLC

Fairfax, VA • On-site

$85K - $105K/yr

Full-time

Re-posted 24 days ago

Job description

Healthcare Fraud Investigator
Employment Type: Full-Time, Mid-Level
Department: Litigation Support

CGS is seeking a Healthcare Fraud Investigator to provide Legal Support for a large Government Project in Nashville, TN. The candidate must take the initiative to ask questions to successfully complete tasks, perform detailed work consistently, accurately, and under pressure, and be enthusiastic about learning and applying knowledge to provide excellent litigation support to the client. 

CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to government innovation, appreciate collaboration, and can anticipate the needs of others. Here at CGS, we offer an environment in which our employees feel supported, and we encourage professional growth through various learning opportunities.

Responsibilities will Include:
- Review, sort, and analyze data using computer software programs such as Microsoft Excel.
- Review financial records, complex legal and regulatory documents and summarize contents, and conduct research as needed. Preparing spreadsheets of financial transactions (e.g., check spreads, etc.).
- Develop HCF case referrals including, but not limited to:
- Ensure that HCF referrals meet agency and USAO standards for litigation.
- Analyze data for evidence of fraud, waste and abuse.
- Review and evaluate referrals to determine the need for additional information and evidence, and plan comprehensive approach to obtain this information and evidence.
- Advise the HCF attorney(s) regarding the merits and weaknesses of HCF referrals based upon applicable law, evidence of liability and damages, and potential defenses, and recommend for or against commencement of judicial proceedings.
- Assist the USAO develop new referrals by ensuring a good working relationship with client agencies and the public, and by assisting in HCF training for federal, state and local agencies, preparing informational literature, etc.
- Assist conducting witness interviews and preparing written summaries.

Qualifications:
- Four (4) year undergraduate degree or higher in criminal justice, finance, project management, or other related field.
- Minimum three (3) years of professional work experience in healthcare, fraud, or other related investigative field of work.
- Proficiency in Microsoft Office applications including Outlook, Word, Excel, PowerPoint, etc.
- Proficiency in analyzing data that would assist in providing specific case support to the Government in civil HCF matters (E.g., Medicare data, Medicaid data, outlier data).
- Communication skills: Ability to interact professionally and effectively with all levels of staff including AUSAs, support staff, client agencies, debtors, debtor attorneys and their staff, court personnel, business executives, witnesses, and the public. Communication requires tact and diplomacy.
- U.S. Citizenship and ability to obtain adjudication for the requisite background investigation.
- Experience and expertise in performing the requisite services in Section 3.
- Must be a US Citizen.
- Must be able to obtain a favorably adjudicated Public Trust Clearance.
Preferred qualifications:
- Relevant Healthcare Fraud experience including compliance, auditing duties, and other duties in Section 3.
- Relevant experience working with a federal or state legal or law enforcement entity.

#CJ
$85,000 - $105,000 a year
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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