Investigator 1 examination
Investigator 1 open competitive examination (C1317H) for Mercer County. Open to residents of Mercer County, Burlington County, Hunterdon County, Middlesex County, Monmouth County, Somerset County. File by November 23, 2026 on the Civil Service Commission's system.
Mercer County · Symbol C1317H
Open for filing until Monday, November 23, 2026 (as of November 4, 2026)
This is an open competitive examination: anyone who meets the requirements in the announcement may file. Open to residents of Mercer County, Burlington County, Hunterdon County, Middlesex County, Monmouth County, Somerset County.
Apply on the Civil Service Commission's Online Application SystemRead the official announcementAdd the deadline to my calendar
You file with the Commission, not with this site. Read the announcement first: it states the requirements, the salary, the application fee and how to apply for symbol C1317H.
| Symbol | C1317H |
|---|---|
| Title | Investigator 1 |
| Employer | Mercer County |
| Who may file | Open to residents of Mercer County, Burlington County, Hunterdon County, Middlesex County, Monmouth County, Somerset County |
| Announced | November 1, 2026 |
| Closing date | November 23, 2026 |
| Job specification | INVESTIGATOR 1 (56782) |
| Work week (specification) | NE hours |
| Salary | Set by the employer; see the announcement |
Salary
Mercer County sets the pay for this examination by ordinance or contract, not by a State schedule, so we show no figure. The Commission's announcement states the salary.
What the job is
From the Commission's job specification for INVESTIGATOR 1:
Under the close supervision of an Investigator 3, Supervisor of Investigations, or other supervisory official in a State department or agency, or local government agency, conducts routine investigations in the field or from the central office, involving alleged non-compliance with State statutes and regulatory requirements; does other related duties as required.
Examples of work it lists:
- Investigates cases involving alleged fraud, negligence, misrepresentation, misconduct, or abuse/neglect by public employees, industry representatives, licensed/certified professionals, authorized vendors, or out-of-home caretakers.
- Reviews criminal history record information from verifiable sources and performs follow-up investigations to determine the employment eligibility of applicants and existing employees.
- Participates in joint investigations and/or surveillance with other agencies to gain knowledge of illegal activities to develop a case for enforcement action.
- Maintains the confidentiality of investigations.
The full specification lists the examples of work, the requirements and the knowledge and abilities the examination tests. The announcement's requirements govern this examination where the two differ.
Who qualifies
Read from the specification, the title mentions a master's degree and offers an experience-only path for applicants without it, 1 year of experience. Where several paths are given, the lowest is stated here; the announcement's requirements govern this examination.
The requirement section of the specification for INVESTIGATOR 1, opening lines:
The examples of work for this title are for illustrative purposes only. A particular position using this title may not perform all duties listed in this job specification. Conversely, all duties performed on the job may not be listed. Applicants must meet one of the following or a combination of both experience and education. Thirty (30) semester hour credits are equal to one (1) year of relevant experience. Five (5) years of professional office and/or field experience conducting investigations, collecting evidence, and preparing investigative reports related to criminal, civil, or regulatory matters involving fraud, misrepresentation, or other acts of criminal or civil misconduct; …
License: Appointees will be required to possess a driver's license valid in New Jersey only if the operation of a vehicle, rather than employee mobility, is necessary to perform the essential duties of the position.
The full requirements, examples of work and knowledge tested are on the specification page.
After you file
Passing candidates are ranked on an eligible list, and Mercer County appoints from it. An announcement is not a job offer. See how eligible lists work.
Other examinations open at Mercer County
- Program Development Specialist Community Service, Mercer County (C1332H), closes November 23, 2026
- Site Manager Nutrition Program, Mercer County (C1328H), closes November 23, 2026
- Coordinator Of Maintenance Services, Mercer County (C1330H), closes November 23, 2026
From the Commission's open competitive list. NJ Civil Service Navigator is not affiliated with the State of New Jersey or the New Jersey Civil Service Commission; the announcement is the authority. Every open examination.