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Criminal Investigator

the Chickasaw Nation
Ada, OK Full Time
POSTED ON 5/15/2026 CLOSED ON 9/12/2026

What are the responsibilities and job description for the Criminal Investigator position at the Chickasaw Nation?

We are currently looking for a Full Time Criminal Investigator to join our Office of Chief Counsel team located at the Carl Albert Service Center working .

Summary:

The incumbent is responsible for the investigation of crimes and alleged crimes within the Chickasaw Nation. Maintains confidential sources of informants and intelligence concerning criminal activity. Notifies the FBI/BIA of federal crimes and when necessary, provides assistance in investigations and expert advice on Indian culture, habits, and jurisdiction. Testifies before federal grand juries and local courts. Works with the Office of the U.S. Attorney and tribal prosecutor in and out of court. Independently initiates appropriate interaction with federal, state and local agencies to obtain information and/or assistance in accomplishing assignments.

Responsibilities:
  • To support the mission of the Chickasaw Nation to enhance the overall quality of life of the Chickasaw people
  • It is the responsibility of each employee to attend any training required for his position or profession as determined by his line of support or the executive leadership of the Chickasaw Nation. Also, it is the responsibility of those who supervise, manage or otherwise lead employees (or teams) to ensure that each employee receives all required training
  • The incumbent must subscribe and commit to the mission statement and core values of the Chickasaw Nation. Must also embrace the principle of tribal sovereignty and understand how it relates to interactions with local, state, and federal governments
  • Maintains confidential sources of informants and intelligence concerning criminal activity
  • Notifies the FBI/BIA of federal crimes and when necessary, provides assistance in investigations and expert advice on Indian culture, habits, and jurisdiction
  • Testifies before federal grand juries and local courts
  • Works with the Office of the U.S. Attorney, State and tribal prosecutors in and out of court
  • Independently initiates appropriate interaction with federal, state and local agencies to obtain information and/or assistance in accomplishing assignments
  • Prepares documentation and evidence for court
  • Ensures evidence is sent or taken to crime lab for analysis
  • Required to utilize the Protocol and Style Manual when preparing written and email correspondences
  • Performs all other duties as assigned
  • Provides first class customer service - courteous and helpful to all internal and external customer types
  • Answers questions in a courteous and professional manner
  • Greets and engages with a smile
  • Determines needs, seeks positive experience and outcomes
  • Completes all training and development requirements and participates in continuing education opportunities
  • Works in a collaborative and supportive manner to support the productivity and safety of the work area, team members and customers of all types
  • Maintains general upkeep of work area and maintains a safe environment
  • Maintains and promotes professionalism
  • Punctual and consistent in meeting start time, work schedule, attendance and other assigned work time metrics
  • Adheres to Chickasaw Nation dress code standards
  • Maintains knowledge of and follows all laws, rules, regulations, policies and SOPs for assigned area, e.g. MICS, TICS, hospital standards, health codes, food sanitation, accounting principles, etc.
Competencies:
Essential:
  • Able to follow instructions, both written and oral
  • Able to adhere to all scheduling and attendance requirements
  • Honesty, truthfulness, reliability, accountability
  • Able to read, understand, apply, and retain knowledge of Chickasaw Nation, departmental, divisional and all other rules, regulations, policies, procedures and guidelines
  • Understand Chickasaw law and law enforcement regulations
  • Knowledge of federal, state and local law and law enforcement regulations
  • Knowledge of police methods and procedures
  • Knowledge of courtroom protocol and mannerisms
  • Ability to implement investigative techniques
  • Knowledge of the principles of identification and preservation of evidence
  • Knowledge concerning rules of case presentation
  • Knowledge of the criminal justice system
  • Thorough knowledge of the Constitutional Protection Law including rules concerning search and seizure, questioning or arrest; the difference between felonies and misdemeanors and between criminal and civil laws; and the procedures for handling suspects
  • Knowledge of clerical and administrative procedures
  • Knowledge of interviewing and interrogation tactics
  • Knowledge of usage and techniques of firearms
  • Ability to multitask
  • Organizes work and assigned area logically and orderly
  • Must work under hard deadlines
  • Ability to train individuals or small groups on specific tasks or procedures and engage with different learning styles
  • Able to verbally communicate in a professional and positive manner with other team members, departments, guests and management
  • Writes effective communications with team, departments, guests and management
  • Prepares role specific reports


Skills:
Essential:
  • Basic Computer skills
  • Skilled at presenting information in front of groups at all levels of hierarchy

Experience:
Essential:
  • 5 years directly related experience


Education:
Essential:
  • High School, GED or Equivalent

Nonessential:
  • Bachelors Degree in directly related field

Essential:
  • Must have completed a basic police officer certification course equivalent to the requirements set by the Council on Law Enforcement Education and Training (CLEET)
Credentials:
Essential:
  • 40 hour CLEET instructor course
  • Standard Driver's License
  • Pass general background check
  • BIA Special Law Enforcement Commission
  • CN Core Leadership Level 1


Essential:
  • Must attend advanced training courses, which cover the following: Background Investigations and Adjudications, Basic Instructor Development, FBI – LEEDA Trilogy Courses, Criminal Investigator Training Program, etc.)
  • Must have and maintain a clean record with no convictions for felonies or qualifying misdemeanor crimes of domestic violence which would prohibit receipt or possession of firearms or ammunition, and misdemeanors in any jurisdiction that do not categorize serious crimes as felonies
  • Must continuously be able to pass a complete background investigation, maintain a Bureau of Indian Affairs commission upon assignment
  • Must have completed or be willing to attend the 8-week criminal investigator training program at the Oklahoma State Bureau of Investigation. Must successfully complete training as a requirement to maintain employment
  • This position requires completion of level 1 CORE Leadership Training within 18 months of the hire or promotion date
Working Conditions:
Essential:
  • Pass pre-employment drug test
  • No Criminal Record
  • Requires driving
  • Sometimes bend, kneel, stoop, push, reach
  • Repetitive motions
  • Sometimes lift and or carry up to 25 lbs
  • Hand-eye coordination, reach and grasp
  • Mix of office/non-office settings

Salary.com Estimation for Criminal Investigator in Ada, OK
$59,736 to $78,341
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