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Defensive Structural Firefighter

Position Description

Introduction

The purpose of this basic position is to serve as a Structural Defensive Fire Fighter.  Performs firefighting duties from a defensive position, and participates in salvage and overhaul activities.

Duties

  • Utilizes a variety of basic firefighting tools and equipment to attack and extinguish fires from a defensive position.
  • Operates hydrants, hose lines, pumps, and other related equipment.
  • Utilizes all required Personal Protective Equipment (PPE) including self-contained breathing apparatus, but are not allowed to enter an environment that presents an immediate danger to life and health.
  • Provides emergency medical care within the scope of training and certification.
  • Participates in cleanup, salvage, and overhaul operations.

Position Knowledge and/or Requirements

  • Basic knowledge of the Incident Command System (ICS).
  • Knowledge of firefighting operations and procedures gained through direct experience and/or completion of the requirement to meet minimum standards set by the National Fire Protection Association, (NFPA 1001) or equivalent.
  • Ability to provide basic emergency medical care such as first aid for minor injuries, and CPR.
  • Knowledge of Personal Protective Equipment (PPE), and its appropriate use in firefighting operations.
  • Knowledge of situational awareness fundamentals including personal equipment, essential firefighting equipment, and general all-risk hazards.

Supervisory Controls

Work direction is provided by a Supervisory Firefighter or other designated supervisor who makes assignments and procedures to be followed.  Most defensive firefighting duties are performed under close supervision with specific instructions provided for unfamiliar or unusual situations.  Completed work is reviewed for operational effectiveness and compliance with instructions.

Guidelines

Procedures for doing the work have been established and a number of specific guidelines or standard orders are available such as oral instructions, manuals, health and safety codes, and OJT or formal training.  Assistance is provided for problems encountered not specifically covered by guidelines.

The incumbent works in strict accordance with the guidelines, references and procedures.  Deviations or questions are referred to the supervisor or higher graded firefighter for resolution.

Complexity

The incumbent performs a variety of firefighting assignments which require defensive firefighting skills, and assisting with emergency medical situations.  Emergency responses often involve action in extremely adverse physical and emotional conditions and ability to function effectively in sensitive situations.

Work requires application of established firefighting practices in areas of assignment.  Individual discretion and judgment is limited to defensive firefighting situations.

Scope and Effect

The purpose of this position is to act as a team member in implementing defensive firefighting objectives for a safe operation while effectively performing fire suppression operations.  The effectiveness and timeliness of the decisions and actions taken impacts the efficiency of assignments and the safety of operations performed.

Personal Contacts

Personal contacts are with local agency firefighting personnel or incident management team personnel during the duration of the incident.  The incumbent may also interact with media operations, family members, special interest groups, and others with interests in the incident.

Purpose of Contacts

The purpose of contacts is to obtain briefings and orders, as well as to relay incident information to and from the incident management team and other fire team members, and to provide general and specific information and assistance.

Physical Demands

Firefighting work routinely involves physically rigorous assignments and strenuous activity.  Incumbent must maintain excellent physical condition to carry out responsibilities including the ability to pass an arduous duty physical, and handle a variety of heavy and cumbersome firefighting equipment.  Emergency firefighting situations often require clear reasoning and decisive action under conditions of extreme mental and physical stress.

Work Environment

Work environment is predominately outdoors in all types of weather, night or day, for extended periods of time.  The incumbent is subject to cold, hot, windy, wet, or snowy conditions, and subject to extreme heat, burns, falling objects, exposure to smoke and noxious fumes.  Wearing of PPE used in firefighting operations is mandatory.

 

NWCG Latest Announcements

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

Incident Business Committee Memo 26-01: Updated Emergency Equipment Shift Ticket, OF 297

Date: January 22, 2026
Questions? 
Please contact: Incident Business Committee

The Incident Business Committee (IBC) has released Memorandum 26-01: OF 297 and 2026 Fire Use. This memo informs the wildland fire community that the updated Emergency Equipment Shift Ticket, OF 297 is available for download and can be ordered through the Great Basin Cache.

Beginning January 15, 2026 the previous version of the OF 297 form has been discontinued.

For further details, please contact your IBC representative.

References:

Incident Business Committee Memorandum 26-01

Great Basin Cache

NEW! S-390, Introduction to Wildland Fire Behavior Calculations (Blended) Available Now

Date: December 22, 2025
Questions about RT-130? 
Please contact: Fire Behavior Subcommittee

NWCG is excited to announce that the new S-390, Introduction to Wildland Fire Behavior Calculations (Blended) training is now available on the Wildland Fire Learning Portal.

This third course in the series combines online and instructor-led training components aimed at individuals who are involved in planning, managing, and executing wildland fire and prescribed burn operations; who require a thorough understanding of fire behavior calculations to enhance effectiveness and safety. This includes students who require the knowledge and skill necessary to perform the duties of a Type 3 Incident Commander (ICT3), Division/Group Supervisor (DIVS), or Prescribed Fire Burn Boss Type 2 (RXB2).

Students are required to be qualified as any Single Resource Boss position and complete the prerequisite S-290, Intermediate Wildland Fire behavior (Blended) course, before enrolling in S-390.

References:

S-390, Introduction to Wildland Fire Behavior Calculations (Blended)

Wildland Fire Learning Portal

NEW! S-320, Introduction to Incident Management Teams (Blended) Available Now

Date: December 18, 2025
Questions about RT-130? 
Please contact: Incident and Position Standards Committee

NWCG is excited to announce that S-320, Introduction to Incident Management Teams (Blended) is now available on the Wildland Fire Learning Portal!

This blended course combines online learning with instructor-led training, designed for individuals seeking to build leadership skills and gain experience in incident management.

Students are required to complete the prerequisite trainings ICS-100, Introduction to Incident Command System (ICS), ICS-200, Basic ICS for Initial Response, and ICS-700, An Introduction to the National Incident Management System (NIMS) prior to attending S-320.

References:

S-320, Introduction to Incident Management Teams (Blended)

Wildland Fire Learning Portal