Knowledge, Skills and Abilities required for this position: Knowledge of maintenance, troubleshooting, repair, overhaul, and modification of fixed and rotary wing aircraft systems, airframes, components and assemblies, where the work requires substantive knowledge of the airframe and aircraft mechanical, pneudraulic, and/or electrical systems and their interrelationships. May be required to perform additional duties such as structural firefighting, aircraft fire/ crash/rescue duty, security guard, snow removal, munitions loading and handling, heavy equipment operator, maintenance of facilities and equipment, or serve as a member of a team to cope with natural disasters or civil emergencies.