Illinois / Human Services / Internal Security Investigator I

Job-title file

Internal Security Investigator I

Inspect and investigate for compliance with regulations, document findings, and recommend action.

7 employees hold this title in Human Services. Median total compensation for the role is $92,600, above the department median of $74,500.

Employees: 7
Total payroll: $655.9K
Role median: $92,600
Agency median: $74,500
Comparison: Above

Compare departments

This role across Illinois

Internal Security Investigator I is held in 2 Illinois departments. In Human Services, the median of $92,600 ranks #1 of 2.

Highest-paying departments for this role

State Police

$76,900 · 8

Median total compensation for the Internal Security Investigator I role in other Illinoisdepartments (highest first). Each bar links to that department’s page for this role.

Same department

Other job titles in Human Services

Account Technician I 70
Account Technician II 74
Accountant 46
Accountant Advanced 44
Administrative Assistant I 100
Administrative Assistant I 73
Administrative Assistant II 65
Cook I 47
Disabil Claims Adjudicator Trainee 95
Disability Claims Adjudicator I 63
Domestic Worker 175
Educator 54
Executive I 410
Executive II 162
Habilitation Program Coordinator 75
Human Resources Representative 120
Human Resources Specialist 52
Human Services Casework Manager 229
Human Services Caseworker 3,405
Internal Security Inv II 40
Maintenance Equipment Operator 48
Maintenance Equipment Operator 40
Mental Health Technician I 1,049
Mental Health Technician I 483
Mental Health Technician II 1,179
Mental Health Technician II 1,091
Mental Health Technician III 159
Mental Health Technician Trainee 507
Mental Health Technicina III 137
Office Assistant 137
Office Associate 217
Office Coordinator 87
Public Aid Eligibility Assistant 423
Public Aid Eligibility Assistant 237
Public Service Administrator 475
Registered Nurse I 378
Registered Nurse II 281
Rehabilitation Case Coordinator I 121
Rehabilitation Case Coordinator II 176
Rehabilitation Counselor 109
Rehabilitation Counselor Senior 162
Rehabilitation Counselor Trainee 54
Residential Care Worker 68
Residential Services Supervisor 86
Secretary Therapy Aide I 658
Secretary Therapy Aide II 44
Secretary Therapy Aide Tr 143
Security Officer 111
Security Therapy Aide I 556
Security Therapy Aide II 46
Senior Public Service Administr 290
Senior Public Service Administrative 200
Social Service Program Planner III 103
Social Service Program Planner IV 54
Social Services Career Trainee 620
Social Worker II 106
Staff Development Specialist I 153
Staff Development Specialist I 111
Stationary Engineer 63
Support Service Worker 440

Record list

Employees with this title

Page 1

Teresa Knight

Internal Security Investigator I/Human Services

2025 total comp

$163,900

Sub-department: Ludeman Development Center
Base pay: $0
Overtime: $0
Other pay: $163,900
Benefits: $0
Total compensation: $163,900
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $8,100
Rutan Exempt: No

Teresa Knight holds the role of Internal Security Investigator I at Human Services within Ludeman Development Center. In 2025, their total compensation was $163,900. Their bargaining unit is Collective Bargaining.

Cody Waterkotte

Internal Security Investigator I/Human Services

2025 total comp

$100,900

Sub-department: Sexually Violent Persons Program
Base pay: $0
Overtime: $0
Other pay: $100,900
Benefits: $0
Total compensation: $100,900
Union / bargaining unit: Collective Bargaining
Work county: Schuyler

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $4,400
Rutan Exempt: No

At Human Services, Cody Waterkotte serves as a Internal Security Investigator I within Sexually Violent Persons Program. Their 2025 pay totaled $100,900. They are represented by Collective Bargaining.

Natlie Richmond

Internal Security Investigator I/Human Services

2025 total comp

$94,900

Sub-department: Ludeman Development Center
Base pay: $0
Overtime: $0
Other pay: $94,900
Benefits: $0
Total compensation: $94,900
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

4-D Exempt: No
Employment Status: CERTIFIED
Period Pay Rate: $4,700
Rutan Exempt: No

Natlie Richmond is a Internal Security Investigator I at Human Services within Ludeman Development Center. 2025 total compensation came to $94,900. They are represented by Collective Bargaining.

Anthony Kirk

Internal Security Investigator I/Human Services

2025 total comp

$92,600

Sub-department: Mental Health Administrative
Base pay: $0
Overtime: $0
Other pay: $92,600
Benefits: $0
Total compensation: $92,600
Union / bargaining unit: Collective Bargaining
Work county: Sangamon

Source-specific fields

4-D Exempt: Yes
Employment Status: PROB 4 MOS
Period Pay Rate: $4,100
Rutan Exempt: No

At Human Services, Anthony Kirk serves as a Internal Security Investigator I within Mental Health Administrative. Their 2025 pay totaled $92,600. Union affiliation: Collective Bargaining.

Zane Holder

Internal Security Investigator I/Human Services

2025 total comp

$70,100

Sub-department: Choate Developmental Disabilities Center
Base pay: $0
Overtime: $0
Other pay: $70,100
Benefits: $0
Total compensation: $70,100
Union / bargaining unit: Collective Bargaining
Work county: Clinton

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $3,000
Rutan Exempt: No

At Human Services, Zane Holder serves as a Internal Security Investigator I within Choate Developmental Disabilities Center. Their 2025 pay totaled $70,100. Union affiliation: Collective Bargaining.

Amanda Kahl

Internal Security Investigator I/Human Services

2025 total comp

$67,700

Sub-department: Choate Developmental Disabilities Center
Base pay: $0
Overtime: $0
Other pay: $67,700
Benefits: $0
Total compensation: $67,700
Union / bargaining unit: Collective Bargaining
Work county: Union

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $3,000
Rutan Exempt: No

At Human Services, Amanda Kahl serves as a Internal Security Investigator I within Choate Developmental Disabilities Center. Their 2025 pay totaled $67,700. Their bargaining unit is Collective Bargaining.

Kimberly Greenholdt

Internal Security Investigator I/Human Services

2025 total comp

$65,800

Sub-department: Elgin Mh Center
Base pay: $0
Overtime: $0
Other pay: $65,800
Benefits: $0
Total compensation: $65,800
Union / bargaining unit: Collective Bargaining
Work county: Kane

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $3,000
Rutan Exempt: No

Kimberly Greenholdt holds the role of Internal Security Investigator I at Human Services within Elgin Mh Center. In 2025, their total compensation was $65,800. Their bargaining unit is Collective Bargaining.