Placer County

Investigator - Chief District Attorney (#13831)

$58.00-$72.43 Hourly / $10,053.33-$12,554.53 Monthly / $120,640.00-$150,654.40 Yearly



To plan, organize, direct and manage the activities of the Investigations Division within the District Attorney’s Office; to coordinate activities with other divisions, departments, and allied agencies, including the Placer Multi-Disciplinary Interview Center (MDIC), and the Sexual Assault Response Team (SART); and to provide highly complex staff assistance to the Chief Assistant District Attorney and District Attorney.


The Chief assumes full-line and functional management responsibility for a division or program area within a department.


Receives administrative direction from the Chief Assistant District Attorney.

Exercises direct supervision over management, supervisory, professional, technical, and clerical personnel.


Duties may include, but are not limited to, the following:
  • Develop and implement investigation division goals, objectives, policies and procedures; assist in implementing department goals and objectives.
  • Plan, organize, and supervise, through subordinate supervisors and managers, the day-to-day investigation division activities including MDIC, SART, administration, Special Investigation Unit, and investigations; assist in the development of comprehensive systems and procedural manuals in an automated environment.
  • Direct, oversee, and participate in the development of the investigation division's work plan; assign work activities, projects, and programs; monitor workflow; review and evaluate work products, methods, and procedures.
  • Prepare the investigation division budget; assist in budget implementation; participate in the forecast of funds needed for staffing, equipment, materials, and supplies; administer the approved budget.
  • Recommend the appointment of personnel; provide or coordinate staff training; conduct performance evaluations; recommend discipline; implement discipline procedures as directed; recommend employee terminations.
  • Serve as liaison between investigations and the District Attorney’s Office; provide highly technical assistance to the Chief Assistant District Attorney and District Attorney.
  • Discretely investigate complex and sensitive administrative and criminal cases involving the District Attorney’s Office and law enforcement employees as well as elected or appointed public officials.
  • Direct subordinate management and investigations staff in the response to officer involved shootings, in-custody deaths, or other extraordinary events where assistance from the District Attorney’s Office is requested; oversee the coordination of, support, and advise for on-call Deputy District Attorneys.
  • Provide investigative services or instructions to the grand jury as required.
  • Consult with the District Attorney and other attorneys concerning evidentiary matters and evaluation of witness testimony.
  • Confer with Local, State, and Federal law enforcement agencies in regard to prosecution or investigative matters assigned to the Department; review and evaluate reports submitted by law enforcement agencies for criminal complaints.
  • Research and prepare technical and administrative reports; assist in the preparation of State and Federal required reports; prepare written correspondence.
  • Build and maintain positive working relationships with co-workers, other County employees, and the public using principles of good customer service.
  • Represent the Investigations Division through public appearances related to community education; represent the District Attorney's Office to outside agencies and organizations; participate in outside community and professional groups and committees; provide technical assistance as necessary.
  • Perform related duties as assigned.


Work is typically performed in an indoor office environment with controlled temperature conditions and outdoors in all weather conditions. Duties may be performed in close proximity to uncooperative individuals, firearms, and other weapons, and other environmental conditions related to law enforcement fieldwork.


Experience and Training
Any combination of experience and training that would provide the required knowledge and abilities is qualifying.  A typical way to obtain the required knowledge and abilities would be:

Experience: Six years of increasingly responsible experience in criminal investigation operations, two of which must be in a District Attorney’s Office and two years of supervisory responsibility.

Training: Equivalent to a bachelor's degree from an accredited college or university with major course work in criminal justice, business or public administration, or a related field.

Required License or Certificate:

  • May need to possess a valid driver's license as required by the position.  Proof of adequate vehicle insurance and medical clearance may also be required.
  • Possession of a current and valid Supervisory and an Advanced certificate issued by the California Peace Officer Standards and Training Commission (P.O.S.T.).  Completion of the California P.O.S.T. Middle Management Course within 12 months after appointment
Special Qualifications:
Must be 21 years of age by date of appointment. 


Knowledge of:

  • Principles and practices of current law enforcement procedures, community-focused methods of criminal and civil investigations administration.
  • Pertinent local, State, and Federal rules, regulations, and laws; court operations, and the operational rules and regulations of the District Attorney's Office. 
  • Principles and practices of leadership, motivation, team building, and conflict resolution.
  • Pertinent local, State, and Federal rules, regulations, and laws as related to investigations.
  • Principles and practices used in planning, organizing, and directing criminal, civil, and family support law and criminal investigations.
  • Techniques, methods, equipment, tools, and materials used in criminal investigations.
  • Interview and interrogation techniques. 
  • Rules of evidence, arrest, and search and seizure laws.
  • Statistical methods and report writing.
  • Methods used to train criminal investigators. 
  • Modern office procedures, methods, and computer equipment.
  • Principles and practices of policy development and implementation.
  • Principles and practices of organizational analysis and management.
  • Budgeting procedures and techniques.
  • Principles and practices of supervision, training, and personnel management.

Ability to:

  • Organize and direct the Investigations Division and operations; plan, assign, instruct and supervise the work of subordinate investigators and managers engaged in law enforcement investigations. 
  • Analyze budget and technical reports; interpret and evaluate staff reports; know laws, regulations, and codes; observe performance and evaluate staff; problem solve division cost recommendations; interpret and apply personnel rules; and explain and interpret policy.
  • On a continuous basis, sit at a desk and in meetings for long periods of time; intermittently twist, squat, stoop, kneel, bend and crouch to reach equipment surrounding desk; perform simple grasping and fine manipulation; use telephone and write or use a keyboard to communicate through written means; and lift or carry weight of 10 pounds or less.
  • Perform the most complex work of the Investigations Division.
  • Maintain physical, emotional, and mental condition to satisfactorily perform the functions of the position; meet and maintain required peace officer employment standards to safely and effectively perform assigned duties. 
  • Analyze problems, identify alternative solutions, project consequences of proposed actions and implement recommendations in support of goals.
  • Gain cooperation through discussion and persuasion.
  • Interpret and apply State and Federal laws, local statutes, County and District Attorney's Office policies, procedures, rules, and regulations in the decision-making process. 
  • Prepare and administer a budget.
  • Supervise, train, and evaluate personnel.
  • Communicate clearly and concisely, both orally and in writing.
  • Work effectively in stressful situations, act quickly and calmly in emergencies. 
  • Work with various cultural and ethnic groups in a tactful and effective manner.
  • Establish and maintain effective working relationships with those contacted in the course of work.


Length of Probation: 
This classification serves at the pleasure of the Appointing Authority and has no specific term and no rights to continued employment.

Bargaining Unit:
Management - Safety

CLASS: 13831; EST: 9/1/1997; REV: 3/16/2022;