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Epidemiologist

Position Description

Introduction

The purpose of this position is to act as an advisor and technical specialist in the assessment and identification of current or potential situations which could cause infection or illness in first responders, park incumbents, or visitors as the result of an all-hazard incident.

Duties

  • Performs preliminary evaluation of the incident to determine the potential for illness or disease such as may be caused through water contamination, noxious fumes, exposure to chemicals, dead or injured wildlife, etc.
  • Implements the emergency response component of the Park Unit Health and Safety Plan.  Takes action necessary to assess the risk, and secure the scene appropriately.  Initiates action to implement the Incident Command System, and/or to request assistance from local/national public health resources.
  • Performs activities to control the situation such as monitoring water/wastewater systems, inspecting food service facilities and sanitation facilities, placing warning signs, or implementing institutional controls such as evacuation, and area closures.
  • Identifies the source and characteristics of the health hazard as well as any other potential health risks associated with the incident.  Takes appropriate action to mitigate risks identified.
  • Cooperates with and assists other emergency response resources.  Ensures proper use of personal protective equipment (PPE), and adherence to all safety procedures.
  • Directs and participates in decontamination/cleanup operations, and post-incident analysis activities.
  • Prepares and presents briefings regarding health issues encountered.  Receives situation reports and stays informed of mission objectives and status changes.
  • Performs additional tasks or duties as assigned during a response.

Position Knowledge and/or Requirements

  • Operational knowledge of the Incident Command System (ICS), and the development and use of integrated action planning concepts and processes.
  • Knowledge of emergency response requirements such as those included in a typical Park Health and Safety Plan.
  • Comprehensive knowledge of epidemiological concepts, principles and practices applicable to the conduct of evaluations of health risks associated with a variety of all-hazard incidents.
  • Knowledge is required to identify the potential for the spread of disease carried by airborne or waterborne agents, molds and fungus, and infected wildlife or domestic animals.
  • Knowledge of health hazards associated with exposure to a variety of chemicals and compounds used in park operations, or in industrial operations near or adjacent to a park unit.
  • Knowledge is required to recommend effective measures for the control and elimination of health risk factors identified.
  • Expert knowledge of Personal Protective Equipment (PPE) requirements and use in operations where health risks are present.
  • Ability to communicate effectively orally, and in writing.

Supervisory Controls

Work direction is provided by the incident commander or other designated manager.  As the senior advisor/specialist in the field, the technical work is performed independently.  The incumbent may act as a team lead during the evaluation/assessment phase of the operation.  Work is reviewed for acceptability and compliance with operating instructions and procedures.

Guidelines

Guidelines include Federal standards and criteria documents, agency manuals, established practice, past evaluation reports, and a variety of technical literature including professional journals, textbooks, and literature published by agencies such as the Center for Disease Control (CDC).  Problems encountered are not always covered by guidelines.

The incumbent uses independent judgment in locating and selecting the most appropriate guidelines, references and procedures based on the situation at hand, and the potential for serious illness or disease as the result of exposure to a particular agent, virus, or bacteria.

Complexity

The incumbent responds to a wide variety of incidents which require diverse skills, often involving critical life-threatening situations such as exposure to chemical or biological agents released by spills, explosions, fires, or floods, and for which toxicological information is sketchy.  Emergency response in these situations often involves decision-making and action in extremely adverse physical and emotional conditions and ability to function effectively in controversial and/or sensitive situations.  Work requires application and modification of established practices in most areas of responsibility, with considerable individual discretion and judgment exercised in emergency situations to ensure the health and safety of first responders and park visitors.

Scope and Effect

The purpose of this position is to identify, evaluate, and control health hazards during and after an all-risk incident.

The work results in the containment or elimination of the health hazard, providing a safe environment for incumbents, visitors, and park neighbors.

Personal Contacts

Personal contacts are with local agency emergency response personnel, and/or incident management team personnel during the duration of the incident.  Additional contacts may be made with public health professionals from a number of state and federal agencies, media operations, park visitors, special interest groups, and others interested and assisting with the incident.

Purpose of Contacts

The purpose of contacts is to provide briefings, health information, and issue orders, as well as to relay incident information to and from the incident management team and other team members, and to provide information and assistance to public health officials.

Physical Demands

Work routinely involves physically rigorous assignments and strenuous activity.  Incumbent must maintain excellent physical condition to carry out responsibilities, including the ability to perform assessment and evaluation tasks while wearing heavy and cumbersome PPE.  Response to emergency situations often requires clear reasoning and decisive action under conditions of extreme mental and physical stress.

Work Environment

Work environment is indoors and outdoors in all types of weather, night or day, and for prolonged periods of time.  The incumbent is subject to exposure to a variety of hazardous substances, toxic fumes, and extreme heat or cold.

 

NWCG Latest Announcements

NEW! S-231, Engine Boss Course Available Now

Date:  March 6, 2026
Questions? 
Please contact: Incident Operations Subcommittee

NWCG is pleased to announce the new S-231, Engine Boss (Single Resource) course is now available on the Wildland Fire Learning Portal (WFLP). Developed through the Incident Performance and Training Modernization (IPTM) effort, this training supports individuals working towards Engine Boss, Single Resource (ENGB) incident qualifications. 

This is a performance-based instructor-led training (ILT) that focuses on the application of ENGB responsibilities during wildland fire operations, emphasizing readiness, information gathering, risk management, engine tactics, and Wildland Urban Interface (WUI) operations. Trainees apply these skills through scenario-based group work and an optional field day that reinforces hands-on engine operation tasks. 

References:

S-231, Engine Boss (Single Resource) (Instructor-led)

NWCG Engine Boss, Single Resource (ENGB) Position Page

Wildland Fire Learning Portal

NWCG Celebrates 50 Years!

Date:  March 6, 2026
Questions? 
Please contact: NWCG Executive Secretary

NWCG is proud to celebrate 50 years of service to the wildland fire community. Beginning in 1976 with an interagency agreement between the Department of Interior and Department of Agriculture, NWCG has grown to include additional member agencies and is recognized as the standard-setting leader in wildland fire operations.

To honor where we’ve been and highlight where we are going, the NWCG team has created a video showcasing our history and accomplishments. The video is now available on the NWCG website.

References:

NWCG 50 Year Anniversary Video

NEW! S-131, Firefighter Type 1 Course Available Now

Date:  March 6, 2026
Questions? 
Please contact: Incident Operations Subcommittee

NWCG is pleased to announce the new S-131, Firefighter Type 1 course is now available on the Wildland Fire Learning Portal (WFLP). Developed through the Incident Performance and Training Modernization (IPTM) effort, this course is a performance-based instructor-led training (ILT) that focuses on the application of situational awareness and decision making, building on the knowledge and concepts introduced in previous required courses. Using a threaded fictitious fire, each unit focuses on a performance-based activity in which students practice applying their decision-making and problem-solving skills.

The S-131, Firefighter Type 1 course is required for individuals seeking qualifications to be a Firefighter Type 1 (Squad Boss) (FFT1) or an Incident Commander Type 5 (ICT5).

References:

S-131, Firefighter Type 1 (Instructor-led)

NWCG Firefighter Type 1 (Squad Boss) Position Page

NWCG Incident Commander Type 5 Position Page

Wildland Fire Learning Portal

2026 Professional Reading List

Date: March 4, 2026
Questions? 
Please contact: WFLDP Curriculum Management

The Wildland Fire Leadership Development Program (WFLDP) is announcing the 2026 Professional Reading List.  The goal of the annual reading list is to promote the reading and discussion of the selected books throughout the year. 

The six books chosen for this year are: How to Win Friends and Influence People by Dale Carnegie; Leadership Strategy and Tactics by Jocko Willink; Meditations by Marcus Aurelious; Quiet by Susan Cain; The Little Book of Stoic Quotes by Phil Van Treuren; and The Confident Mind by Nate Zinsser.

References:

Professional Reading Program

Wildland Fire Leadership Development Program