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Senior Investigator Jobs in Reston, VA (NOW HIRING)

Senior Cyber Investigator

Washington, DC · Remote

$114K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Please note: this is a one-year position, with the potential for extension. 10a Labs' Investigations Team is looking for a Senior Cyber Investigator to handle escalated exchange review and org-level ...

Senior Cyber Investigator

Washington, DC · On-site

$114K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Please note: this is a one-year position, with the potential for extension. 10a Labs' Investigations Team is looking for a Senior Cyber Investigator to handle escalated exchange review and org-level ...

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Showing results 1-20

Senior Investigator information

See Reston, VA salary details

$29.6K

$79.7K

$143K

How much do senior investigator jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior investigator in Reston, VA is $79,698.00, according to ZipRecruiter salary data. Most workers in this role earn between $52,000.00 and $102,500.00 per year, depending on experience, location, and employer.

What is the difference between Senior Investigator vs Investigator?

AspectSenior InvestigatorInvestigator
Required CredentialsTypically requires a bachelor's degree, relevant certifications, and several years of experienceUsually requires a bachelor's degree, entry-level certifications, and less experience
Work EnvironmentLeads investigations, supervises junior staff, and handles complex casesConducts investigations under supervision, handles routine cases
Employer & Industry UsageUsed in law enforcement, insurance, and corporate investigationsCommon in law enforcement, private investigation firms, and regulatory agencies

The main difference between a Senior Investigator and an Investigator lies in experience, responsibilities, and leadership roles. Senior Investigators typically have more experience, handle complex cases, and supervise others, whereas Investigators focus on routine investigations under supervision. Both roles are essential in investigative fields, but the senior position involves greater expertise and leadership.

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

To thrive as a Senior Investigator, you need expertise in investigative techniques, analytical thinking, and a background in law enforcement or a related field, often supported by a relevant degree or certifications. Familiarity with case management systems, digital forensics tools, and legal research databases is typically required. Exceptional attention to detail, strong communication, and the ability to maintain confidentiality set top performers apart. These skills ensure thorough investigations, accurate reporting, and effective resolution of complex cases.

What does a senior investigator do?

A senior investigator manages investigations for various crimes including fraud, corruption, and organized crime. As a senior investigator, you work for the district attorney, and your primary responsibilities revolve around collaborating with law enforcement to take on these crime issues. You may have additional duties, such as interviewing witnesses and filing evidence and reports as required by the district attorney. Excellent communication skills are imperative as you’ll encounter a variety of different people on the job. While qualifications vary by state, you likely need an associate’s degree, and at least a year of experience as an investigator with the D.A. Your employer will conduct a criminal background check.

What is a senior investigator?

A Senior Investigator is an experienced professional responsible for leading and managing complex investigations, often within law enforcement, corporate, or regulatory settings. Their duties typically include gathering and analyzing evidence, interviewing witnesses, compiling reports, and providing expert testimony. Senior Investigators often supervise junior staff, ensure compliance with legal procedures, and may specialize in areas such as fraud, criminal, or internal investigations. Their extensive experience enables them to handle high-profile or sensitive cases. This role requires strong analytical, communication, and leadership skills.

What are some common challenges senior investigators face when managing complex cases, and how can they effectively address them?

Senior Investigators frequently encounter challenges such as coordinating multidisciplinary teams, handling sensitive information, and navigating regulatory or legal constraints. Successfully addressing these issues requires strong leadership, clear communication, and meticulous documentation. Senior Investigators often rely on advanced investigative techniques and foster collaboration with legal, compliance, and technical experts to ensure thorough, compliant case resolution. Staying current with industry best practices and maintaining professional integrity are essential for overcoming these obstacles.
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 are popular job titles related to Senior Investigator jobs in Reston, VA? For Senior Investigator jobs in Reston, VA, the most frequently searched job titles are:
What cities near Reston, VA are hiring for Senior Investigator jobs? Cities near Reston, VA with the most Senior Investigator job openings:
Infographic showing various Senior Investigator job openings in Reston, VA as of August 2026, with employment types broken down into 88% Full Time, 11% Part Time, and 1% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $79,698 per year, or $38.3 per hour.

Senior Investigator - On-Call / As-Needed

Charles F Day & Associates LLC

Washington, DC • On-site

Full-time

Posted 2 days ago

New


Job description

CONTINGENT UPON CONTRACT AWARD

Location: Washington, DC Metropolitan Area
Schedule: On-Call / As-Needed; hours are not guaranteed
Work Location: Primarily remote/contractor location with recurring availability to report to Washington, DC
Security Requirement: Must be able to obtain and maintain a Top Secret security clearance
U.S. Citizenship Required

Position Summary

CFDay is seeking highly experienced Senior Investigators to provide on-call, as-needed investigative support to a federal Office of Inspector General (OIG).

This position is intended for experienced investigative professionals who can provide support when required based on Government investigative workload and case requirements. This is not a traditional full-time position, and a minimum number of hours is not guaranteed.

The Senior Investigator will support complex civil and criminal investigations and may perform investigative planning, research, interviews, evidence review and analysis, investigative documentation, litigation support, intelligence-gathering activities, and coordination with federal and other law-enforcement organizations.

Essential Duties and Responsibilities

  • Support the planning and execution of complex civil and criminal investigations.
  • Develop investigative approaches, theories, and evidence-collection strategies.
  • Conduct background investigations and open-source research involving individuals, businesses, organizations, and other investigative subjects.
  • Prepare for and conduct or support investigative interviews.
  • Review and analyze documentary and electronic evidence, including emails, communications, telephone records, internet information, bid documents, court filings, transcripts, recordings, and other evidence.
  • Prepare affidavits, interview reports, evidence summaries, investigative reports, and related case documentation.
  • Support sensitive investigations and intelligence-gathering activities when authorized.
  • Coordinate investigative activities with local, state, federal, and international law-enforcement organizations.
  • Support joint investigations with other Government agencies.
  • Provide litigation support, including evidence and discovery organization, investigative timelines, summary materials, witness preparation, hearings, depositions, grand jury proceedings, and trials.
  • Provide testimony when required and authorized.
  • Provide training, mentoring, and guidance to Government investigators regarding investigative techniques and practices.

Required Qualifications

  • Minimum 15 years of experience conducting complex civil and/or criminal investigations.
  • U.S. citizenship.
  • Ability to obtain and maintain a Top Secret security clearance if required by the Government.
  • Ability to satisfy applicable Government background investigation and suitability requirements.
  • Demonstrated experience conducting complex investigations and developing appropriate investigative documentation.
  • Strong written and verbal communication skills.
  • Ability to work independently and collaboratively with Government investigators, attorneys, law-enforcement personnel, witnesses, and other stakeholders.
  • Ability to report to Washington, DC on a recurring basis as required.

Preferred Qualifications

Preference will be given to candidates possessing one or more of the following:

  • White-collar crime, fraud, financial crime, or similar investigative experience.
  • Prior federal law-enforcement investigative experience.
  • Prior Office of Inspector General investigative experience.
  • International criminal and/or civil investigative experience.
  • Intelligence-gathering experience, including developing and operating human sources.
  • Investigative data-analysis experience.
  • Experience training or mentoring investigators.
  • Active or recently held Top Secret security clearance.
  • Experience supporting federal litigation, grand jury proceedings, hearings, depositions, or trials.

Work Schedule and Availability

This position provides investigative services on an as-needed basis. Work assignments and hours will fluctuate based on Government requirements, investigative workload, and authorized tasking. There is no guarantee of a minimum number of hours.

When assigned, personnel may be required to support activities during the Government's normal operating hours of Monday through Friday, 7:00 a.m. to 5:00 p.m. ET.

Work is expected to be performed primarily remotely or at the contractor's facility; however, selected personnel must be able to report to DFC Headquarters in Washington, DC on a recurring basis as required.


Equal Employment Opportunity Statement

CFDay is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by law.

HUBZone Requirement

This position is designated to support CFDay's HUBZone workforce requirements. Applicants must reside in a qualified HUBZone at the time of hire and maintain qualifying residency as required