To qualify for this position candidates must show experience at the level of difficulty and responsibility that demonstrates an extensive knowledge of and experience in technology system interrelationships, and management of civilian or military automated aviation, navigation and electronics systems. Generally, experience at the next lower level, pay band H/level III or equivalent, meets the minimum qualifications for this position as long as the experience supports the demonstrated abilities. In addition to your resume, in the space provided under each Demonstrated Ability, you MUST provide a NARRATIVE justification on how you meet this ability. The justification should be clear and concise, providing a description of your education, training, and experience that would describe the degree to which you possess each Demonstrated Ability listed below. Eligible candidates may be ranked based on demonstrated abilities. Specialized Experience for I-Band: In addition to the Demonstrated abilities qualified applicants must demonstrate specialized experience equivalent to the next lower grade (FV-H or FG/GS-12). Specialized experience is experience which has equipped the applicant with the particular knowledge, skills, and abilities to successfully perform the duties of the position and that is typically in or directly related to work of the position to be filled. Specialized Experience is: Experience with two or more of the following system(s): Power Conditioning System (PCS), Heating, Ventilation, and Air Conditioning (HVAC), DC Battery Back Up System (DCBUS), Engine Generators (PX, SX and MX), Precision Approach Path Indicator (PAPI), Approach Lighting System (ALS), Environmental Remote Monitoring System (ERMS), Medium Intensity Approach Lighting System (MALS), Visual Approach Slope Indicator (VASI), and Runway End Identifier Lights (REIL). Also have experience with Chillers, Boilers, Electrical Distribution Systems (ELDs), Direct Digital Control Panels (DDCPs), and building environmental controls. Eligible applicants meeting the minimum qualification requirements and selective factor(s), if applicable, may be further evaluated on the Knowledge, Skills and Abilities (KSA) and Demonstrated Abilities listed in the announcement. Based on this evaluation, applicants will be placed in one of the following categories: score order, category grouping, or alphabetical and referred to the selecting official for consideration. Qualification requirements must be met by the closing date of this vacancy announcement.