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Wildland Fire Investigator

INVF Incident Position Description

The Wildland Fire Investigator (INVF) is responsible for investigating wildland fires. The INVF may report to the Wildland Fire Investigation Team Leader (INVL), the Incident Commander (IC), or their designee. The INVF works in the Prevention and Investigation functional area.

Leadership Level 1, Follower (Provide Action)

  • For additional information review Level 1 description, expected behaviors and knowledge, suggested development goals, and self-study opportunities.

Prepare and Mobilize

  • Ensure individual readiness.
  • Gather critical information pertinent to the assignment.
  • Travel to and check in at assignment.
  • Check in with incident supervisor and/or dispatch when arriving at the incident.
  • Obtain briefing from incident supervisor.

Build The Team

  • Establish and communicate chain of command, reporting procedures, risk management processes, and radio frequency management.

Supervise and Direct Work Assignments

  • Adjust actions based on changing information and evolving situation awareness.  Develop and implement contingency plans. Communicate changing conditions to assigned resources and supervisor.
  • Identify, analyze, and use relevant situational information to make informed decisions and take appropriate actions.

Perform Wildland Fire Investigator-Specific Duties

  • Conduct wildland fire investigations and follow wildland fire investigation administrative and legal procedures.
  • Apply laws, rules, and regulations applicable to agency/jurisdiction for wildland fire investigation.
  • Apply administrative, civil, and criminal process(es) to wildland fire investigation in agency/jurisdiction.
  • Identify and secure fire origin using standard methods.
  • Gather and record fire behavior observations relevant to determining fire origin and cause.
  • Locate and protect the general and specific origin areas of the fire.
  • Use proper origin search techniques to determine fire origin.
  • Identify cause of a wildfire.
  • Identify possible wildland fire arson indicators, if applicable.
  • Search for, protect and preserve, and collect evidence while maintaining chain of custody.
  • Identify wildland fire burn pattern macro and micro indicators and use them to track wildfire spread.
  • Identify and interview anyone who may have knowledge that may be useful in the investigation.
  • Consult with supervisor on resource needs.
  • Establish accurate logistical needs and notify supervisor.
  • Provide situation updates and accomplishments to supervisor.
  • Prepare an investigative report.
  • Present case to administrators and/or attorneys for consideration of legal action.
  • Provide documents for court actions, criminal actions, etc.
  • Prepare a professional resume/curriculum vitae (CV).
  • Present effective testimony during court cases when necessary.

Communicate and Coordinate

  • Follow established processes and chain of command for collecting, producing, and distributing information.
  • Ensure clear understanding of expectations and timely communication within and across Incident Command System (ICS) functional areas and chain of command.
  • Establish communications and exchange necessary briefings/information with the following:
    • Support resources
    • Adjacent resources
    • Supervisor
    • Other ICS functional areas
  • Communicate effectively using multichannel radios. Prepare and program radios for assignment. Use plain language and ICS terminology.
  • Conduct and/or participate in After Action Reviews (AAR).

Manage Risk

  • Apply the Risk Management Process as stated in the NWCG Incident Response Pocket Guide (IRPG), PMS 461:
    • Identify Hazards
    • Assess Hazards
    • Develop Controls and Make Risk Decisions
    • Implement Controls
    • Supervise and Evaluate
  • Plan for medical emergencies. Ensure familiarity with the Medical Plan (ICS 206 WF), medical responders, communication procedures, and transportation plan. Manage the medical emergency based on procedures stated in the Incident Action Plan (IAP), Medical Incident Report, or other relevant guidelines.
  • Monitor for signs and symptoms of fatigue, illness, or injury. Mitigate appropriately.
  • Submit accident/incident reports with pertinent forms (SAFECOM, SAFENET, agency-specific forms) through established chain of command.

Document

  • Complete, authorize, ensure timeliness of, and route as required:
  • Document evidence and photographs relating to identified fire cause.
  • Document and describe services required for investigation.
  • Document and display elements of the crime of wildland fire arson for your jurisdiction.
  • Document and present common ignition sources, evidence, and indicators routinely encountered at the scene of an arson fire.
  • Document wildland fire burn pattern indicators and wildland fire spread.

Demobilize

  • Return equipment and supplies to appropriate unit.
  • Complete demobilization checkout process before being released from the incident.
  • Upon demobilization, report status to home unit including reassignment or estimated time of arrival (ETA) to home unit.

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NWCG Latest Announcements

2025/2026 Leadership Campaign Quarter 2 Now Available!

Date: February 13, 2026
Questions? 
Please contact: Leadership Committee

NWCG is excited to announce that the Quarter Two materials for the 2025/2026 Wildland Fire Leadership Campaign are now available! This annual initiative invites all leadership and wildland fire management students to engage with essential skills and knowledge needed to lead effectively in dynamic environments.

This quarter focuses on Leadership Level 2: New Leader (Conveying Intent). Conveying intent is a crucial leadership competency in the high-risk, dynamic environment of wildland firefighting. Months 4 - 6 will concentrate on how successfully conveying intent enhances situational awareness, promotes shared understanding, and empowers firefighters to exercise initiative and adapt to changing conditions.

References:

2025/2026 NWCG Leadership Campaign - Leadership Levels

Wildland Fire Leadership Development Program

Leadership Committee

Opportunity to Serve the Wildland Fire Community as an IPTM SME!

Date: February 10, 2026
Questions? 
Please contact: NWCG SME Specialist

NWCG is seeking experienced wildland firefighters and support personnel to serve as Subject Matter Experts (SMEs) for the Incident Performance and Training Modernization (IPTM) initiative. The intent of IPTM is to transition NWCG’s training and qualification system to a performance-based model through updated position descriptions, Incident Position Standards, Next Generation Position Task Books (Next Gen PTBs), and updates to training where needed.

NWCG is currently recruiting SMEs for the following positions:

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  • Receiving/Distribution Manager (RCDM)
  • Staging Area Manager (STAM)

Projects begin April/May 2026 and require 15–20 hours per month for 6–8 months, including a five-day workshop in Boise, Idaho this May. Apply by February 27, 2026, at the link below and review the attached document for details.

References:

NWCG SME Interest Sign-up

IPTM Subject Matter Expert Duties and Expectations Document

Incident Performance and Training Modernization (IPTM)

NEW! M-280, Resource Advisor, Fireline (Instructor-Led) Course Available Now

Date: January 29, 2026
Questions? 
Please contact: Resource Advisor Subcommittee

NWCG is pleased to announce the new M-280, Resource Advisor, Fireline (Instructor-Led) course is now available. This training supports individuals working towards Resource Advisor, Fireline (REAF) incident qualifications.

M-280, Resource Advisor, Fireline (Instructor-Led) training prepares students to serve as a Resource Advisor, Fireline (REAF) as defined in NWCG Incident Position Standards for Resource Advisor, Fireline, PMS 350-112. This course presents scenarios that reflect the diverse challenges a REAF may encounter during an incident. Through these scenarios, participants gain hands-on experience and an understanding of REAF responsibilities in a controlled learning environment.

References:

Resource Advisor, Fireline Position Page

NWCG Position Standards for Resource Advisor, Fireline, PMS 350-112

M-280, Resource Advisor, Fireline (Instructor-Led)

Wildland Fire Learning Portal

2026 Updates to the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1

Date: January 23, 2026
Questions? 
Please contact: Incident and Position Standards Committee

The Incident and Position Standards Committee has updated the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1.

These updates address changes to incident position names and requirements for qualification, training, and experience. Updates related to the implementation of Complex Incident Management (CIM) and Incident Performance Training Modernization (IPTM) are also included.

The NWCG Wildland Fire Position Qualification Flowchart, PMS 308 has also been updated to reflect the recent changes.

References:

NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1

NWCG Wildland Fire Position Qualification Flowchart, PMS 308

IPSC Memo 26-01: January 2026 Updates to the NWCG Standards for Wildland Fire Positions Qualifications, PMS 310-1