Investigative Staff - Special Investigator I - Index Crime

NASSAU COUNTY DISTRICT ATTORNEY

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Mineola, NY Until 8/22/2026 10+ years exp First posted April 29, 2026 Last posted April 29, 2026
Job description

About the Nassau County District Attorney

The Nassau County District Attorney's Office investigates and prosecutes violations of state and local criminal statutes occurring within Nassau County. With nearly 200 attorneys and a total staff in excess of 400, the Nassau County District Attorney’s Office is one of the largest district attorney's offices in the country. Situated on Long Island, immediately to the east of New York City, the office is committed to hiring the most qualified attorneys, investigators and support staff. The office is dedicated to constant philosophical and technological modernization and looks forward to implementing ever-changing strategies that allow it to stay one step ahead of criminal behavior.

GENERAL STATEMENT OF DUTIES


Performs investigative work collecting evidence for the Office of the District Attorney; performs related duties as required.

COMPLEXITY OF DUTIES


Under general supervision, performs investigative work collecting and assisting in the preparation of evidence for the orderly presentation by the District Attorney to the Grand Jury.                      

TYPICAL DUTIES


*1.  Performs investigative work collecting and assisting in the preparation of evidence
      for routine criminal proceedings for presentation by the District Attorney to the Grand
      Jury.

*2.  Conducts routine surveillance of suspected persons and places. 
 3.  Contacts informants to obtain information.
 4.  Develops sources of information.
*5. Conducts routine undercover work, raids, interrogation of witnesses, execution of
      warrants and arrests.
*6.  Interviews witnesses and subjects.
*7.  Uses investigative apparatus such as electronic or photographic equipment as
      required.
 8.  May testify in court proceedings.


*ADA ESSENTIAL FUNCTIONS

FULL PERFORMANCE KNOWLEDGES, SKILLS, AND ABILITIES


1.  Extensive knowledge relating to homicide, Medicaid fraud, civil forfeiture, collision
     investigation, law enforcement crimes analysis or index crimes depending on the
     particular specialty.

2.  Considerable knowledge of the basic rules of evidence.
3.  Knowledge of applicable New York State statutes, court decisions, and administrative
     ruling pertaining to violations of laws.
4.  Skill in ascertaining facts by personal contact, observation, and examination of
     records.
5.  Skill in the use and care of firearms and in unarmed defense.
6.  Ability to use technical investigative equipment.
7.  Ability to testify effectively in court.
8.  Ability to prepare detailed reports.

MINIMUM QUALIFICATIONS


Training and Experience
Graduation from high school

and

For Appointment to the Index Crime Specialty

Ten years of satisfactory experience in criminal investigation work as a sworn police officer in the State of New York as defined by Section 1.20 (34) of New York Criminal Procedure Law, of which five years must have been exclusively in the specialized field of investigation of index crime(s).

About this role

Summary

Investigate index crimes, perform surveillance, collect evidence, and testify in court.

Job title

Investigative Staff - Special Investigator I - Index Crime

Experience level

10+ years

Minimum experience

10+ years exp

Industry

government

Location requirements

Mineola, NY; no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

criminal investigationevidence rulesfirearmsinvestigative equipment

Preferred skills

None specified

Specializations

criminal investigationindex crimesundercover workevidence collection
Locations

Structured locations inferred from the posting.

Mineola, NY 11501, USA

On-site City